Read Cytokinin regulates differentially expression of P AHK -GUS constructs in transgenic Arabidopsis thaliana plants, Russian Journal of Plant Physiology on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
In another opinion, the GMO Panel reviewed its previous assessments of individual GM plants containing ARMG taking into account the findings and conclusions of the joint opinion of the GMO and BIOHAZ Panels. The GMO Panel concluded that its previous risk assessments on the use of the nptII marker gene in GM plants are consistent with the risk assessment strategy described in the joint opinion and that no new scientific evidence has become available that would prompt it to change its previous opinions[3] on these GM plants.. Following the adoption of the joint opinion of the GMO and BIOHAZ Panels, EFSA asked the panels to consider whether the minority opinions required any clarification of the joint opinion or additional scientific work. The Panel chairs responded that the minority opinions had been extensively considered during the preparation of the joint opinion and no further clarification or scientific work were needed at this time.. In their joint opinion, the GMO and BIOHAZ Panels ...
Protease inhibitors have been reported to confer insect resistance in transgenic plants, except for a rice protease inhibitor that conferred drought tolerance in transgenic rice plants. We have cloned a protease inhibitor of tobacco that is expressed under treatment with ABA, hydrogen peroxide, methyl jasmonate and wounding. The cDNA codes for a six-domain serine protease inhibitor with a deduced sequence of 396 amino acids. We have generated transgenic tobacco plants expressing the protease inhibitor constitutively under the 35S promoter. When analyzed in the T2 generation, these transgenic plants exhibited tolerance to sodium chloride, variable pH and sorbitol, together with the expected resistance to the insect pests Spodoptera litura and Helicoverpa armigera. The transgenic plants showed enhanced seed germination, root length and root-shoot ratio, significantly enhanced total chlorophyll content and reduced thiobarbituric acid-reactive substances under stress. Under sodium chloride ...
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Aspidistra sichuanensis Speckled Thai aka Speckled Thai Cast Iron Plant. Grows in Light Shade to Shade. Flower Color is Purple/Lavender and blooms in Winter. Hardiness zone 9a, 9b, 10a, 10b. Characteristics: Container Plants, Deer Resistant Plants, Drought Tolerant Plants, Dry Shade Plants, Groundcovers, Medicinal Plants, Plant Delights Introductions, Plants from China, Rain Garden Plants, Salt Tolerant Seaside Plants, Thrillers, Tropical Looking Plants, Xeriscaping Plants, Colored Foliage, Patterned Foliage, Evergreen Perennials, Living Wall --- Aspidistra sichuanensis Speckled Thai, buy Aspidistra sichuanensis Speckled Thai for sale from Plant Delights Nursery, award-winning mail order perennial plants on-line; buy Cast Iron Plant, Cast Iron Plant for sale, buy Aspidistra for sale, buy perennial plants for sale, woodland shade garden perennials
Transgenic maize is developed with a gene coding for protein rich in the essential amino acid lysine. It will improve greatly the nutritional status of people in countries like Africa.. Transgenic wheat has been made which is resistant to herbicides by the induction of a bacterial gene whose protein inactivates such chemicals. If a field is treated with herbicide to kill weeds the original crop will not be harmed.. A transgenic tomato is introduced with reduced amount of an enzyme necessary for ripening. This tomato does not go soft on storage. The gene which is inserted transcribes and produces a RNA complementary in sequence to the mRNA for the ripening protein. The two RNAs bond by complementary base-pairing, and so the translation of the normal /w-RNA is inhibited. Genetically engineered Flavr Savr tomatoes are produced in 1995 in USA. These have increased yield and full development of flavour.. ...
Contributed by Gustavo A. Fermin-Muñoz. Fermin-Munoz, G. A. 2000. Enhancing a plants resistance with genes from the plant kingdom. 2000. APSnet Feature. Online. doi: 10.1094/APSnetFeature-2000-0500A. Plants have their own networks of defense against plant pathogens that include a vast array of proteins and other organic molecules produced prior to infection or during pathogen attack. Not all pathogens can attack all plants and a single plant is not susceptible to the whole plethora of plant pathogenic fungi, viruses, bacteria or nematodes. Recombinant DNA technology allows the enhancement of inherent plant responses against a pathogen by either using single dominant resistance genes not normally present in the susceptible plant (Keen 1999) or by choosing plant genes that intensify or trigger the expressions of existing defense mechanisms (Bent and Yu 1999, Rommens and Kishore 2000). What is useful in one plant/pathogen system may be transferred to another, increasing the recipient plants ...
332840350 - EP 2298918 A2 20110323 - Regulation of Plant Biomass and Stress Tolerance - The present invention relates to transgenic plants having greater tolerance to an abiotic stress, than a control plant for example cold or osmotic stress such as heat, desiccation, drought, freezing, and high salt stress, wherein said transgenic plant comprises a recombinant polynucleotide that encodes a polypeptide; wherein the polypeptide comprises a first domain comprising SEQ ID NO: 72, and a second domain that has at least 62% amino acid sequence identity to the second conserved domain of SEQ ID NO: 2 as set forth in Table 1 and the second domain comprises SEQ ID NO: 63 or SEQ ID NO: 64; wherein expression of the polypeptide in the transgenic plant is regulated by a non-constitutive promoter, and expression of the polypeptide in the transgenic plant confers to the transgenic plant said greater tolerance to the abiotic stress; wherein said control plant does not comprise the recombinant polynucleotide; and said
Annual Plant Reviews, Endogenous Plant Rhythms von Anthony J. W. Hall und Buchbewertungen gibt es auf ReadRate.com. Bücher können hier direkt online erworben werden.
View Notes - Genetically+Modified+Rice from FST 10 at UC Davis. Apr 20, 2010| 10:54 pm Crops and Cereals Crops Gm Plants: Cultivation and Futur Projects Soybeans Maize Rape Seed Cotton Sugar beet
Do Plants Have a Neural Net?. In addition to thigmosnastic plants, all vascular plants may be utilizing electrical signals to regulate a variety of physiological functions.. Many of the biochemical and cellular components of the neuromotoric system of animals has been found in plants. And this has led to the hypothesis that a simple neural network is present in plants, especially within phloem cells, which is responsible for the communication over long distances.. The reason why plants have developed pathways for electrical signal transmission is most probably the necessity to respond rapidly to external stimuli, for example, environmental stress factors. (from ref 2 below). More regarding electrical communication in plants: Novel electrical signals in plants induced by wounding. The Emerging Field of Plant Neurobiology. In 2006, an article was published in the journal Trends in Plant Science that elicited quite a kerfuffle. This review (PDF) introduced, to the plant scientific community at ...
Do Plants Have a Neural Net?. In addition to thigmosnastic plants, all vascular plants may be utilizing electrical signals to regulate a variety of physiological functions.. Many of the biochemical and cellular components of the neuromotoric system of animals has been found in plants. And this has led to the hypothesis that a simple neural network is present in plants, especially within phloem cells, which is responsible for the communication over long distances.. The reason why plants have developed pathways for electrical signal transmission is most probably the necessity to respond rapidly to external stimuli, for example, environmental stress factors. (from ref 2 below). More regarding electrical communication in plants: Novel electrical signals in plants induced by wounding. The Emerging Field of Plant Neurobiology. In 2006, an article was published in the journal Trends in Plant Science that elicited quite a kerfuffle. This review (PDF) introduced, to the plant scientific community at ...
Buy GM plant seedlings in test tubes by DISABLED_elenathewise on PhotoDune. Genetically modified plant seedlings in two test tubes
The first step in developing a transgenic plant is to identify a trait in one type of organism that would make a useful characteristic if transferred to the experimental plant. The components of an experiment to create a transgenic plant are the gene of interest, a piece of vector DNA that delivers the gene of interest, and a recipient plant cell. Donor genes are often derived from bacteria, and are chosen because they are expected to confer a useful characteristic, such as resistance to a pest or pesticide.. To begin, the donor DNA and vector DNA are cut with the same restriction enzyme. This creates hanging ends that are the same sequence on both of the DNA molecules. Some of the pieces of donor DNA are then joined with vector DNA, forming a recombinant DNA molecule. The vector then introduces the donor DNA into the recipient plant cell, and a new plant is grown.. For plants that have two seed leaves (dicots), a naturally occurring ring of DNA called a Ti plasmid is a commonly used vector. ...
Using that growth solution, the scientists tested the reactions of other plants to any signals the touched plants roots had released. In one test, they set up untouched plants in a Y-shaped tube, with the growth solution from the touched plants in one branch and a new growth solution in the other, giving the plants a choice between two different environments for their roots. In another experiment, they tested plants reactions to those signals by immersing their roots in the solution from a previously touched plant. In a third experiment, they observed how plants reacted when grown next to a plant that was touched.. In all three experiments, the plants changed their growth strategy in response to the root signals from touched plants. When given the option of choosing, plants preferred the new solution over the solution belonging to touched plants. (Sometimes they even switched course, away from the touched solution.) When reacting to the sudden contact with the touched solution, they put more ...
You might love a warm summer, but heat is a big problem for plants. It dries out plants and causes them to slow down photosynthesis. Luckily, plants have adapted to heat, and there are things we can do to help them. Fun Fact: Plants get most of their weight from the air. Air is where plants get carbon to make sugar and make cellulose.. Plants on a hot day. To get essential nutrients from the air like oxygen and carbon plants have stomata. Stomata are like noses for the plants, allowing them to breathe. Plants can open and close stomata depending on how much carbon they need. The problem with keeping stomata always open is that the plant loses water when the stomata are open. Plants are continually trading water for carbon. The hormone that closes stomata and tells the plant that there is a drought is abscisic acid. Abscisic acid also ...
CLASSIFICATION OF PLANTS - LAB. The plant kingdom can include one celled organisms (diatoms) as well as complex organisms like angiosperms. Some plants and trees for example, have vascular tissue or well-developed conducting tissue through which water and solutes pass to various parts of the plant. Other plants are non-vascular or do not possess internal transport systems. Most non-vascular plants live in water or in wet environments that facilitate direct diffusion of water and nutrients. Vascular plants however, live on land and possess special features adapted to this environment including roots, stems and leaves. Dichotomous keys are ideal for plant classification. You can either eliminate or include plants based on several key characteristics. For instance, if it has woody tissue (bark) it is a vascular plant. Leaves, types of seed, type of flowers are also characteristics of vascular plants. However, before you can use dichotomous keys you need to describe plants. The classification of ...
The Genetics Society of America (GSA), founded in 1931, is the professional membership organization for scientific researchers and educators in the field of genetics. Our members work to advance knowledge in the basic mechanisms of inheritance, from the molecular to the population level.. Online ISSN: 2160-1836. ...
Plant Sentry™ is Very Easy to Use. Nurseries across the country are taking a serious look at Plant Sentry™. Their goal in using the tool to protect their business in the face of an ever-changing regulatory climate.. Heres how it works. It starts with providing your botanical plant inventory and the locations you ship from and to. From there, the Plant Sentry™ team audits each plant article and identifies the state and federal regulations for pests, diseases, and invasive species for your plants and locations. Once complete, youll have access to your database of plants & shipping restrictions through our web portal and youll receive a suggested compliance list for each plant article that may need some resolution.. This includes general purpose information as to why it a plant article may not be shippable to a particular state. The information will alert you with simple reasoning: often pest, disease, or invasive plant. This analysis helps prevent the accidental shipment of the plant ...
Previous efforts to create light-emitting plants have relied on genetically engineering plants to express the gene for luciferase, but this is a laborious process that yields extremely dim light. Those studies were performed on tobacco plants and Arabidopsis thaliana, which are commonly used for plant genetic studies. However, the method developed by Stranos lab could be used on any type of plant. So far, they have demonstrated it with arugula, kale, and spinach, in addition to watercress. For future versions of this technology, the researchers hope to develop a way to paint or spray the nanoparticles onto plant leaves, which could make it possible to transform trees and other large plants into light sources. Our target is to perform one treatment when the plant is a seedling or a mature plant, and have it last for the lifetime of the plant, Strano says. Our work very seriously opens up the doorway to streetlamps that are nothing but treated trees, and to indirect lighting around homes ...
Blockade of mismatch repair in a plant can lead to hypermutation and a new genotype and/or phenotype. One approach used to generate hypermutable plants is through the expression of dominant negative alleles of mismatch repair genes in transgenic plants or derived cells. By introducing these genes into cells and transgenic plants, new cell lines and plant varieties with novel and useful properties can be prepared more efficiently than by relying on the natural rate of mutation. Moreover, methods to inhibit the expression and activity of endogenous plant MMR genes and their encoded products are also useful to generate hypermutable plants.
Plants are sources of nourishment for thousands of fungi, bacteria, invertebrates, vertebrates, and other plants. Plants possess a truly remarkable diversity of mechanisms to fend off attackers and recent research has shown just how complex and sophisticated these defense mechanisms can be. Plant Defense provides comprehensive coverage of the range of different organisms that plants need to fend off, describes how plants coordinate their defenses against multiple attacks, explains the evolution of defense in plants, and how plant defences are exploited in crop protection strategies.. Plant Defense:. ...
Professor PARK Chung-Mo When we think of how plants undergo the process of photosynthesis, we often think that only the part above ground is capable of detecting and reacting to sunlight. On November 2, Professor PARK Chung-Mo (Department of Biology) and his team overturned this long-accepted notion by discovering that the roots of a plant had a much wider range of function and also assisted in detecting sunlight. To reach these conclusions, PARK and his team examined two types of plants: the thale cress (a small, white flowering plant) and the tobacco plant. The researchers covered the stems of these plants, and used sensors to detect if the roots of the plants still reacted to the sunlight. The research team found that the vascular bundles of a plant (part of the transport system within the stems of a plant) allow even the roots to be sensitive to sunlight. The photoreceptors along the plant and the HY5 protein helped boost the growth and development of the roots, leaves, and stem of the ...
in the antidiarrheal Kaopectate). Cooking is another major detoxification method, which probably was not common before about 40 000 years ago. Plant breeding is the third major detoxification method, which developed gradually with the invention of agriculture beginning about 11 000 years ago. However, such domestication of plants has made them more vulnerable to agricultural pests.. To increase plant resistance to pests, now genetically engineered crops are being developed. However, such a cultivar may only have resistance for a few years because that plant genotype acts as a selective pressure on pests and eventually a resistant pest will occur. Creating fields and forests of mixtures of different pest-resistant genotypes may be one solution, but developing enough different types that are resistant without loss in yield (i.e., defense can have a cost to the plant) is a challenge.. Despite how much has been discovered about plant defense in the last 50 years, the concept of plant defense is ...
Plant cells exhibit a variety of characteristics that distinguish them from animal cells. These characteristics include the presence of a large central vacuole and a cell wall, and the absence of entioles, which play a role in mitosis, meiosis, and cell division. Along with these physical differences, another factor distinguishes plant cells from animal cells, which is of great significance to the scientist interested in biotechnology: Many varieties of full-grown adult plants can regenerate from single, modified plant cells called protoplasts - plant cells whose cell walls have been removed by enzymatic digestion. More specifically, when some species of plant cells are subjected to the removal of the cell wall by enzymatic treatment, they respond by synthesizing a new cell wall and eventually undergoing a series of cell divisions and developmental processes that result in the formation of a new adult plant. That adult plant can be said to have been cloned from a single cell of a parent plant. ...
Biotic stress in plants is caused by living organisms, specifically viruses, bacteria, fungi, nematodes, insects, arachnids, and weeds. of flowers, potted plants, and annual bedding plants. Reputed as fruit of par excellence, it has assumed a leading position among commercial fruits being rich in vitamins, minerals, carbohydrates, proteins, anti-oxidants, and … Terms in this set (19) sporophyte. The spermatophytes, which means seed plants, are some of the most important organisms on Earth.Life on land as we know it is shaped largely by the activities of seed plants. 20 Reviews. popular plants from test tubes an introduction to. Summary 21 I. Each R gene confers resistance to a particular virus by triggering localised areas of cell death around the infected cell, which can often be seen with the unaided eye as large spots. Introduction to Plants. Fuels used in the power plants. The seed plants. There is no group that is more or less invasive. Write. The production and use of plants to ...
Great questions! You should not have a yearly problem with this plant. If you plant masses of them you will definitely get more seeding around that you may have to address every 3-4 years, but if you are planting 1 plant you may not see any seedlings for many years. Concerning introducing weeds and gardening with plants that may like to seed around, Plant Select has protocols that are followed through the trialing process. You should see how many fantastic plants didnt make it into the program because they were deemed a bit weedy. However, plants can behave differently in different conditions in different gardens and thats why we experts who have experience that monitor the thresholds of plants that seed around and demonstration gardens around the state that share input on them too. For some gardens, slightly weedy plants are nice and they fill in the empty spaces. For biennials and short lived perennials one has to allow that to continually enjoying the plant year after year. Enjoy this ...
In the United States, a native plant is defined as one that was naturally found in a particular area before European colonization. Native plants are the foundation of a regions biodiversity, providing essential food sources and shelter for birds, especially those threatened by the changing climate. Since native plants are adapted to local precipitation and soil conditions, they generally require less upkeep, therefore helping the environment and saving you time, water, and money. The key to getting started is picking the right plants for your area.. The Best Results for your area have been hand-selected by Audubon experts in your region. They are important bird resources that are relatively easy to grow and are available at native plant nurseries. Filter your results by types of plants, resources, and the bird families youd like to attract, or search for specific plant names. Add plants to your list by selecting the checkbox below each plant profile. Then click the orange Get your plant list ...
In the United States, a native plant is defined as one that was naturally found in a particular area before European settlement. Native plants are the foundation of a regions biodiversity, providing essential food sources and shelter for birds, especially those threatened by the changing climate. Since native plants are adapted to local precipitation and soil conditions, they generally require less upkeep, therefore helping the environment and saving you time, water, and money. The key to getting started is picking the right plants for your area.. The Best Results for your area have been hand-selected by Audubon experts in your region. They are important bird resources that are relatively easy to grow and are available at native plant nurseries. Filter your results by types of plants, resources, and the bird families youd like to attract, or search for specific plant names. Add plants to your list by selecting the checkbox below each plant profile. Then click the orange Get your plant list ...
Introduction. What is a Plant? MOST PLANTS are green because they contain the substance chlorophyll. They use it to trap light energy; this is used during photosynthesis to make food. Plants are usually anchored in a growing medium such as soil. Some, such as mosses and liverworts, are small and delicate. Others, such as the giant redwood trees, are huge. Many plants, such as marigolds and sunflowers, are annuals, which means that they live for just a year. Perennials can live for many years: some bristlecone pine trees, for example, are nearly 5,000 years old. Rainforest vegetation Where a plant lives depends on its growing requirements. Plants of the rainforest, for example, need its humid climate in order to survive and grow. Flowering Plants FLOWERING plants, known as angiosperms, are the most widespread of all plants. Using flowers to reproduce has contributed to this success. Flowers carry the reproductive organs within a ring of petals. After pollination and fertilization, the flowers ...
|p| Model plants for genetic studies are very important among all other plant species living on our planet. Models, as whole plant grown from seed as well as tissue or cellular culture, help researchers to study genetics of key biological phenomena, processes and characteristics that are useful for understanding the consequences of natural mutations, adaptation of plants to the harsh environment or changing climate, plant ecology and evolution as well as polyploidization. Knowledge gained in studying model plants for key characteristics of interest can be generally translated in other plant species with the knowledge that many key cellular and molecular processes are conserved and regulated by ‘blueprint’ genes inherited from common ancestor.|/p| |p| In this Model Organisms in Plant Genetics book we invite but not limited to chapters describing primitive, remnant, nonflowering, flowering, non-flowering, emerging model plant species for genetic studies and translation of gained
Leaf Disease Identification: It is identified by holes occurring in leaves. Branches and eventually the entire plant dies. As prevention remains of key importance, treatment measures are also a necessity to prevent infected plants from dying. The correct spacing should be done in between the plants to ensure that proper air circulation occurs between the plants. Root rot and stem rot, much like their names imply, are diseases that cause the roots or a stem of a plant to rot, resulting in wilt and plant death. Home; General Topics ... , enlargement of liver, spleen, skin diseases, piles, jaundice, rheumatism. Look at our pictures of Brown Canker in our Rose diseases photos to see if your plant may be infected. Jenn Thomas-Murphy. Get in touch with us and well talk... As you have seen, there are 5 biological agents that cause plant diseases. Use of mulch in plenty can also help to keep this disease away from plants. MS Trust, A-Z. These cookies will be stored in your browser only with your ...
Transgenic plants resistant to pests, diseases and herbicides, tolerance to environmental stress (drought, temperature and salinity), improved nutritional value, composition, flavor and storage ability are being generated in an increasing number of agronomically important crop species. Transgenic plants have significant potential in the Bioproduction of complex human therapeutic protein due to ease of genetic manipulation, lack of potential contamination with human pathogens, conservation of eukaryotic cell machinery mediating protein modification and low cost of biomass production.
Abstract: Abiotic stress is the major limiting factor of plant growth and crop yield. Better understanding of plant stress responses and tolerance is very important in the light of increasing intensities of stressors like salinity, drought, flooding, heavy metal, temperature extremes, high-light intensities, UB-radiation, herbicides, ozone and others, due to global climatic and other environmental changes. The role of Nitric oxide (NO) in stress responses in plants came in the focus of plant science in the last decade. NO is an important signaling molecule with diverse physiological and biochemical functions involving the induction of different intracellular plants processes, including the expression of defense-related and redox regulated genes against abiotic and biotic stress induced reactive oxygen species (ROS) detoxification. In spite of the significant progress that has been made in understanding NO biosynthesis and signaling in plant, several crucial questions remain unanswered. In this ...
A method for making a genetically modified plant comprising regenerating a whole plant from a plant cell that has been transfected with DNA sequences comprising a first gene whose expression results in an altered plant phenotype linked to a transiently active promoter, the gene and promoter being separated by a blocking sequence flanked on either side by specific excision sequences, a second gene that encodes a recombinase specific for the specific excision sequences linked to a repressible promoter, and a third gene that encodes the repressor specific for the repressible promoter. Also a method for making a genetically modified hybrid plant by hybridizing a first plant regenerated from a plant cell that has been transfected with DNA sequences comprising a first gene whose expression results in an altered plant phenotype linked to a transiently active promoter, the gene and promoter being separated by a blocking sequence flanked on either side by specific excision sequences to a second plant regenerated
Three-way interactions between plants, microbes, and arthropods (PMA): Impacts, mechanisms, and prospects for sustainable plant protection (By Maria J. Pozo, Benedicte R. Albrectsen, Eduardo R. Bejarno, Eduardo de la Peña, Sava Herrero, Ainhoa Martinez-Medina, Victoria Pastor, Sabine Ravnskov, Mary Williams and Arjen Biere). Plants constantly interact with numerous of organisms and the outcome of these interactions determines plant health and growth. In other words, the phenotype of a plant is not only the result of the plants interaction with abiotic conditions, but also of multiple interactions in the living environment surrounding the plant, the phytobiome. In this Teaching Tool, we have focused on interactions between plants, microbes and arthropods (PMA). The organism groups that contribute to PMA interactions are presented as well as types of interactions between them, along with multiple examples of simple and more complex PMA interactions. The underlying mechanisms of plant responses ...
In article ,841530807C0 at csnet.nw.uoguelph.ca,, ACARLSON at CROP.UOGUELPH.CA (Alvar Carlson) wrote: , On April 14th I posted the following questions: , , , , I am attempting to use sGFP to visually select transgenic barley. , ,I am concerned that the accumulation of the GFP in the nucleus will , ,be detrimental to the development of transgenic plants. Has anyone , ,observed reduced transformation efficiency in plants when using GFP , ,or reduced fertility in any of the transgenic plants generated? , ,Furthermore, has anyone found that modified GFP, to exclude it from , ,the nucleus, increases the transformation efficiency? , ......................................... , , , From: David Galbraith ,dgalbrai at ag.Arizona.EDU, , , We have expressed GFP transgenically targeted to the nucleus in tobacco and , have seen no evidence of toxicity. Plants have not gone to the next , generation yet. , , From: sjdavis1 at students.wisc.edu (Seth J. Davis) , , WT GFP is toxic, and interferes with ...
Aquarium Plant Description and Structure at animal-world.com, provides an introduction to the Parts of a Plant and the Types of Aquatic Plants Such as Ferns, Moss, Pond Plants, Types of Flowering Plants, and Aquarium Plant Bulbs.
Aquarium Plant Description and Structure at animal-world.com, provides an introduction to the Parts of a Plant and the Types of Aquatic Plants Such as Ferns, Moss, Pond Plants, Types of Flowering Plants, and Aquarium Plant Bulbs.
Plants are an amazing way to help purify the air in your home naturally.. Cleaner air means so much for your health. Our body literally runs on oxygen and in the city, a lot of the oxygen we breathe comes with car fumes and general pollution.. There are several low maintenance plants that you can find anywhere. One extremely hardy plant is the snake plant. Its very low maintenance and doesnt need a lot of water or sunlight. Its a plant that can flourish even when subjected to a forgetful owner.. Another plant similar to the snake plant in its resilience is called the ZZ Plant. It thrives in low light homes and requires very minimal watering.. Spruce up your home with a few plants and watch how much better you feel breathing in cleaner air!. Blog by Hope. ...
Downloadable! Are multinational enterprises, MNEs, more likely than non-MNEs to close down their plants due to their footloose character? The results from using a panel of all Swedish manufacturing plants over the period 1993 and 2002 suggest that MNE plants, in particular Swedish MNE plants, have a higher probability of exiting the market than non-MNE plants. The outcome is robust controlling for other variables affecting the survival rates. Among non-MNE plants, the probabilities of exit are higher in non-exporting firms than in exporting firms. Moreover, the increased foreign presence in Swedish manufacturing seems to have led to higher exit rates of plants in non-exporting non-MNEs while plants of globally engaged indigenous firms appear to have been unaffected by the increased foreign presence.
High temperature (HT) stress is a major environmental stress that limits plant growth, metabolism, and productivity worldwide. Plant growth and development involve numerous biochemical reactions that are sensitive to temperature. Plant responses to HT vary with the degree and duration of HT and the plant type. HT is now a major concern for crop production and approaches for sustaining high yields of crop plants under HT stress are important agricultural goals. Plants possess a number of adaptive, avoidance, or acclimation mechanisms to cope with HT situations. In addition, major tolerance mechanisms that employ ion transporters, proteins, osmoprotectants, antioxidants, and other factors involved in signaling cascades and transcriptional control are activated to offset stress-induced biochemical and physiological alterations. Plant survival under HT stress depends on the ability to perceive the HT stimulus, generate and transmit the signal, and initiate appropriate physiological and biochemical changes.
1. Transmembrane Receptors in Plants: Receptor Kinases and Their Ligands. Keiko U Torii.. 2. Heterotrimeric G-Protein-Coupled Signaling in Higher Plants.. Lei Ding, Jin-Gui Chen, Alan M Jones and Sarah M Assmann.. 3. ROP/RAC GTPases.. Ying Fu, Tsutomu Kawasaki, Ko Shimamoto and Zhenbiao Yang.. 4. Mitogen-Activated Protein Kinase Cascades in Plant Intracellular Signaling.. Shuqun Zhang.. 5. Calcium Signals and Their Regulation.. Zhen-Ming Pei and Simon Gilroy.. 6. Paradigms and Networks for Intracellular Calcium Signaling in Plant Cells.. Sheng Luan.. 7. Reactive Oxygen Signaling in Plants.. Gad Miller, Jesse Coutu, Vladimir Shulaev and Ron Mittler.. 8. Lipid-Mediated Signaling.. Wendy F Boss, Daniel V Lynch and Xuemin Wang.. 9. The Cytoskeleton and Signal Transduction: Role and Regulation of Plant Actin- and Microtubule-Binding Proteins.. Patrick J Hussey and Takashi Hashimoto.. 10. The PCI Complexes and the Ubiquitin Proteasome System (UPS) in Plant Development.. Yair Halimi and Daniel A ...
You are here: Home » How to Plant a Hedge » How to Plant Bare Root Hedging. Planting guide for bare root hedging plants. Preparing the site for planting. Do try to get the site ready before your plants are delivered, this way you will be able to plant more easily and quickly especially if the weather is bad after delivery. Planting quickly after delivery is a certain insurance against your hedging plants deteriorating and will without doubt give the best results.. It is very important to remove all perennial weeds and grass from the planting area which should be thoroughly dug over as a trench to at least 20cm (8 inches) deep for smaller plants (up to 60/80cm tall), 30cm deep for larger plants making sure that the sides and bottom have good drainage, loosening with a fork if necessary.. A new hedge needs to have a trench (or individual holes if you prefer) large enough so the roots can spread out naturally, surrounded by well-prepared soil they can grow into and establish, not have their root ...
In todays post, we will look into 10 different natural rooting hormones or root stimulating substances that can be easily used for plant cloning - thats multiplying plants from cuttings with great success rate! We will also show you how you can make the most powerful formula by mixing one or more of these substances. In horticulture, Cloning means making duplicate plants out of branch or stem cuttings from a mother plant. It is a great way to multiply a plant, specially if its a rare variety or very precious to you or if you wanna gift some plants to your friends and neighbours. The simplest way of cloning a plant is just pinching a small branch or stem cutting and inserting it into the soil. But, the success rate of this cutting is generally low. If you want to increase the success rate, then you need to follow certain simple rules to accelerate the root formation and increase the success rate of cloning. Most plant cuttings will naturally produce their own rooting hormones after a short ...
PREMIUM PLANTS. These plants will be grown on in the largest size Jiffy seven pellets to produce plants that you simply cannot fail to grow top-quality specimens from. They will have a strong root system that will ensure the plants have a minimum check to growth when potted on. Ideally, some heat may be required on receipt to make sure the plants have the best possible start. Supporting the plants by using Plastic Plant Support Clips, Item 0005 in this catalogue, will ensure that they root faster as well as remaining upright. Delivery dates will be from late February to mid-March depending on growth rate. The plants will be well protected in strong cardboard boxes to alleviate as much damage as humanly possible during transit. Delivered from us by courier from Tuesday through to Friday.. Sold in Units of 10 (Minimum Quantity).. ...
This course is an introduction to the physiology of animals and plants. The course will compare and contrast the ways in which animals and plants acquire and process energy, nutrients and water, with particular attention paid to the relationship between structure and function. The animal physiology part begins with discussing the life processes of multicellular organisms, focusing at the level of organs and whole animals. The course will provide basic knowledge regarding the development and composition of tissues and organ systems in the animal kingdom. The plant physiology part covers the uniqueness of plants and of plant cells, including anatomy, growth and differentiation processes, as well as stress physiology and flowering. Focus is given on cell wall synthesis, cell stretching, nutrition and natural products. Furthermore, the course discusses plant model systems, transformation techniques, in vitro culture of plants, tissue-specific gene expression and databases relevant to plant ...
Growing Stromanthe sanguine gives you a super attractive houseplant that can be used as a Christmas gift plant. Foliage of this plant is red, white and green coloration. A relative of the popular prayer plant, stromanthe houseplants are sometimes thought to be difficult to maintain. Following a few basics of stromanthe plant care allows you to demonstrate your green thumb and keep the attractive specimen growing and thriving year round. Foliage of stromanthe houseplants is a reddish maroon and pink on the backside of the leaves, peeking through the green and white variegated tops. With the right stromanthe plant care, the Triostar can reach 2 to 3 feet in height and 1 to 2 feet across. Learning how to grow stromanthe is not complicated, but you must commit to providing regular humiditywhen growing the Stromanthe Triostar plant. A native of the Brazilian rain forest, the plant can not exist in a dry environment. Misting helps provide humidity, as does a pebble tray under or near the plant. A ...
Genetic transformation is often associated with different rearrangements of the plant genome at the site of insertion. Therefore the question remains weather these T-DNA insertion sites are more prone to genotoxic stresses. Here, we studied the impact of propagation through generations, the influence of gene stacking and of photo oxidative stress caused by high light intensity on the stability of the transgene and its flanking regions in the model plant Arabidopsis thaliana. Conformational Sensitive Capillary Electrophoresis (CSCE), RFLP and sequencing were deployed in this analysis in order to study the proximal 100 bp and the long range T-DNA flanking sequences. By screening seven transgenic lines no evidence for occurrence of mutation events were found, implying that the flanking regions of the studied T-DNA insertion events are relatively stable ...
TY - JOUR. T1 - Arabidopsis thaliana expressing the cauliflower mosaic virus ORF VI transgene has a late flowering phenotype. AU - Zijlstra, Carolien. AU - Schärer-Hernández, Nania. AU - Gal, Susannah. AU - Hohn, Thomas. PY - 1996/11/20. Y1 - 1996/11/20. N2 - Expression of open reading frame (ORF) VI of cauliflower mosaic virus (CaMV) in transgenic Arabidopsis thaliana caused a typical syndrome characterised by leaf chlorosis, vein clearing, plant stunting and reduced fertility. In addition and in comparison to untransformed controls we observed the formation of much larger rosettes of leaves combined with much later flowering and more extensive tillering. In these aspects, the ORF VI transgenic plants resembled late flowering mutants. All these phenotypes correlated with expression of ORF VI in three lines of transgenic plants which were produced independently, with different Ti-plasmid derived vectors and with different selective markers. The late flowering phenotype cosegregated with the ...
plants, animals, and human beings. ADVERTISEMENTS: The applications of biotechnology includes: (i) therapeutics, (ii) diagnostics, (iii) genetically modified crops for agriculture, (iv) processed food, (v) bioremediation, (vi) waste treatment and (vii) energy production. TOS4. Clipping is a handy way to collect important slides you want to go back to later. What is Biotechnology? Food biotechnology results in higher plant yields, increasing farmers efficiency. Transgenic plants are genetically engineered to produce plants with desired characteristics. PLANT BIOTECHNOLOGY Biotechnology: A collection of technologies Plant agriculture Crop production and protection Genetically engineered (transgenic) crops Using ... - A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 42ddd9-YzRiO Description. See our Privacy Policy and User Agreement for details. . This helps in treatment of large number of diabetes patients. Genetic engineering of plants provides an ...
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The European Food Safety Authority (EFSA) has published updated guidance for the risk assessment of food and feed derived from genetically modified (GM) plants. The document expands on previous EFSA guidance and reflects the latest scientific developments in areas such as assessment of allergenicity and selection of the comparator plant against which the GM plant is compared. It also establishes a new statistical methodology to further strengthen the risk assessment of GM plants.
Plants are a tremendous source for the discovery of new products of medicinal value for drug development. Today several distinct chemicals derived from plants are important drugs currently used in one or more countries in the world. Many of the drugs sold today are simple synthetic modifications or copies of the naturally obtained substances. The evolving commercial importance of secondary metabolites has in recent years resulted in a great interest in secondary metabolism, particularly in the possibility of altering the production of bioactive plant metabolites by means of Plant Biotechnology or Green Gene technology and tissue or cells culture technology. Plant Biotechnology is possible tool for both studying and producing plant secondary metabolites which is called Molecular farming. Different strategies, using Plant Molecular farming system, have been extensively studied to improve the production of plant chemicals. The development of genetically transformed plant tissue cultures and mainly ...
TY - JOUR. T1 - Expression of human interleukin-11 and granulocyte-macrophage colony-stimulating factor in transgenic plants. AU - Lee, Bo Ye. AU - Lee, Jeong Hyun. AU - Yoon, Hoon Seok. AU - Kang, Kyung Ho. AU - Kim, Kyung Nam. AU - Kim, Jae-Hong. AU - Kim, Ju Kon. AU - Kim, Jeong Kook. PY - 2005/12/1. Y1 - 2005/12/1. N2 - The production of therapeutic proteins for human diseases in plants results in many economic benefits, including reduced risk of animal virus contamination, high yields, and reduced production and storage costs. Human cytokines, interleukin-11 (hIL-11) and granulocyte-macrophage colony-stimulating factor (hGM-CSF), cDNAs were introduced into rice or tobacco, using either the maize ubiquitin promoter or the 35S promoter. The primary hIL-11 transgenic rice plants exhibited stunted growth and a sterile phenotype, whereas the hIL-11 transgenic tobacco plants did not. This suggests that hIL-11 expression in rice disrupts the normal growth and development of the plant. The ...
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Basic research has provided a much better understanding of the genetic networks and regulatory hierarchies in plants. To meet the challenges of agriculture, we must be able to rapidly translate this knowledge into generating improved plants. Therefore, in this Review, we discuss advanced tools that are currently available for use in plant biotechnology to produce new products in plants and to generate plants with new functions. These tools include synthetic promoters, tunable transcription factors, genome-editing tools and site-specific recombinases. We also review some tools with the potential to enable crop improvement, such as methods for the assembly and synthesis of large DNA molecules, plant transformation with linked multigenes and plant artificial chromosomes. These genetic technologies should be integrated to realize their potential for applications to pressing agricultural and environmental problems. ...
Environmental stresses, including ammonium (NH4 +) nourishment, can damage key mitochondrial components through the production of surplus reactive oxygen species (ROS) in the mitochondrial electron transport chain. However, alternative electron pathways are significant for efficient reductant dissipation in mitochondria during ammonium nutrition. The aim of this study was to define the role of external NADPH-dehydrogenase (NDB1) during oxidative metabolism of NH4 +-fed plants. Most plant species grown with NH4 + as the sole nitrogen source experience a condition known as ammonium toxicity syndrome. Surprisingly, transgenic Arabidopsis thaliana plants suppressing NDB1 were more resistant to NH4 + treatment. The NDB1 knock-down line was characterized by milder oxidative stress symptoms in plant tissues when supplied with NH4 +. Mitochondrial ROS accumulation, in particular, was attenuated in the NDB1 knock-down plants during NH4 + treatment. Enhanced antioxidant defense, primarily concerning the ...
Plants have been genetically enhanced to produce a number of products for agricultural, industrial and pharmaceutical purposes. This technology could potentially be applied to providing chemoprevention strategies to the general population. Resveratrol (3,5,4′-trihydroxystilbene) is a compound that has been shown to have protective activity against a number of cancers and could be an ideal candidate for such an application. Alfalfa that was genetically modified to express resveratrol-synthase was used as a model in applying biotechnological approaches to cancer prevention. The transgenic alfalfa, which accumulates resveratrol as a glucoside (piceid = trans-resveratrol-3-O−β-D-glucopyranoside) (152 ± 17.5 μ g piceid/g dry weight), was incorporated into a standard mouse diet at 20% of the diet by weight and fed for 5 wk to 6-wk-old, female CF-1 mice (N = 17-30) that were injected with a single dose of azoxymethane (5 mg/kg body weight). While the addition of resveratrol-aglycone (20 mg/kg diet) to
Plant viruses are viruses that affect plants. Like all other viruses, plant viruses are obligate intracellular parasites that do not have the molecular machinery to replicate without a host. Plant viruses are pathogenic to higher plants. Although plant viruses are not nearly as well understood as the animal counterparts, one plant virus has become iconic. The first virus to be discovered (see below) was Tobacco mosaic virus (TMV). This and other viruses cause an estimated US$60 billion loss in crop yields worldwide each year. Plant viruses are grouped into 73 genera and 49 families. However, these figures relate only to cultivated plants that represent only a tiny fraction of the total number of plant species. Viruses in wild plants have been poorly studied, but those studies that exist almost overwhelmingly show that such interactions between wild plants and their viruses do not appear to cause disease in the host plants. To transmit from one plant to another and from one plant cell to another, ...
In todays global market, some organic farmers must meet regulatory requirements to demonstrate that their plants and feedstocks are genetically modified organism (GMO)-free. Many GM plants are engineered to contain a promoter from the plant virus, Cauliflower mosaic virus (CaMV), in order to facilitate expression of an engineered target gene. The relative ubiquity of this CaMV 35S promoter (P35S) in GM constructs means that assays designed to detect GM plants often target the P35S DNA sequence, but these detection assays can yield false-positives from plants that are infected by naturally-occurring CaMV or its relatives within the Caulimoviridae. This review places CaMV infection and these ambiguous GM plant detection assays in context, serving as a resource for industry professionals, regulatory bodies, and researchers at the nexus of organic farming and global commerce. We first briefly introduce GM plants from a regulatory perspective, and then we describe CaMV biology, transmission, and ...
Mitogen-activated protein kinases (MAPKs) target a variety of protein substrates to regulate cellular signaling processes in eukaryotes. In plants, the number of identified MAPK substrates that control plant defense responses is still limited. Here, we generated transgenic Arabidopsis thaliana plant …
in frame with the CP gene in this study. The ability to generate the correct CP in the two constructs was verified by in vitro transcription, translation, and immunoprecipitation. Accumulation of the CP expressed by the gus leader in calli and leaves of the transgenic plant lines was detectable by western blot analysis. However, in transgenic lines expressing the CP by the PRSV 5 leader, accumulation of CP was below detectable level except in the plantlet stage (data not shown). The different quantity of the CP between transgenic lines containing the gus leader and the PRSV leader may be due to different translational efficiencies in plant cells. Also, it might be due to the different stability of proteins based on size, conformation, or modified N-terminal structure of CP products.. When the resistance of four GCP lines and four 5CP lines was evaluated under high concentrations of inoculum, GCP-15 showed a high level of resistance. The other three lines, GCP-4, GCP-14 and GCP-33 showed lower ...
A central player in many but not all forms of programmed cell death in plants is salicylic acid (76). This was first demonstrated in transgenic tobacco and Arabidopsis plants expressing a salicylate hydroxylase gene from Pseudomonas putida called nahG (77). These plants are still capable of synthesizing SA, but as soon as SA starts to accumulate it is converted into catechol by the enzyme salicylate hydroxylase. Arabidopsis plants of the Col-O eco-type, which as wild-type plants are genetically resistant to Peronospora parasitica infection, were totally colonized by the fungus in nahG-expvess-ing plants (76). This conversion of an incompatible to a compatible interaction could be reverted by spraying with high concentrations of salicylic acid or the synthetic analogue INA (2,6-dichloro-isonicotinic acid), indicating that SA is a key control molecule in plant resistance. Some of the dwarf lesion mimic mutants of Arabidopsis mentioned before could also be re verted to wild-type-like plants when ...
Plants are a big and essential part of our life for so many reasons. One of the reasons are plants produce Oxygen which is needed for respiration. Another reason is plants have an unique quality of producing food through photosynthesis, for which we, humans and animals are dependant on plants for consumption. Besides our economy is also dependent on plants as various chemicals and products such as paper, fibres, rubbers etc are produced from plants. Plants also provide us with shelter and medicine.. Plants play a vital role in maintaining our environment too. They prevent soil erosion, reduce heat by pulling Carbon dioxide off from atmosphere and regulate water cycle.. So essentiality of plants for our survival can not be denied.. What Is Plant Disease?. Plant Disease can be defined as-. Any disturbance to the normal physiology of the plant brought about by an agent so that the affected plant changes in appearance and/or is less productive than a normal healthy plant of the same variety. A ...
TY - JOUR. T1 - Synthetic redesign of plant lipid metabolism. AU - Haslam, Richard P.. AU - Sayanova, Olga. AU - Kim, Hae Jin. AU - Cahoon, Edgar B.. AU - Napier, Johnathan A.. PY - 2016/7/1. Y1 - 2016/7/1. N2 - Plant seed lipid metabolism is an area of intensive research, including many examples of transgenic events in which oil composition has been modified. In the selected examples described in this review, progress towards the predictive manipulation of metabolism and the reconstitution of desired traits in a non-native host is considered. The advantages of a particular oilseed crop, Camelina sativa, as a flexible and utilitarian chassis for advanced metabolic engineering and applied synthetic biology are considered, as are the issues that still represent gaps in our ability to predictably alter plant lipid biosynthesis. Opportunities to deliver useful bio-based products via transgenic plants are described, some of which represent the most complex genetic engineering in plants to date. ...
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The present invention relates to an insect resistant transgenic rice plant, plant cell, seed and progeny thereof comprising a polynucleotide sequence encoding a Cry1Ac protein specific to PE-7 event. The invention also provides a process for detecting the presence of PE-7 event in transgenic rice plant. The invention further provides a kit for identifying the transgenic plants comprising the PE-7 event.
GM Plants Promise Fish Oils Aplenty: New research findings support the commercial cultivation of genetically modified (GM) Camelina sativa, one of Europes oldest oil seed crops. Scientis...
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Effect of OsKO2 regulation on plant height. Plant architecture is of major agronomic importance as it determines the adaptability of plant to cultivation, its harvest index and potential grain yield. Rice plant architecture is mainly determined by tiller pattern, plant height, leaf shape and arrangement, and panicle architecture. Plant height is an important agronomic trait which directly influences harvest index and yield potential. A number of genes have been identified which affect the plant height. Most of these genes encode for gibberellic acid (GA) and brassinosteroid biosynthetic or signalling pathway components. OsKO2 is one of the GA biosynthetic gene in rice, which encodes for ent-kaurene oxidase. This gene is a target of many transcription factors which are involved in controlling plant height.. References:. Chen X, Lu S, Wang Y, Zhang X, Lv B, Luo L, Xi D, Shen J, Ma H, Ming F (2015) OsNAC2 encoding a NAC transcription factor that affects plant height through mediating the ...
Poisonous Plants OH 20 Leonard Perry, Extension Professor Many native and exotic plants in our environment may cause either mild irritation or serious sickness when touched or eaten. The word poison may excite unnecessary fear. Poisonous plants include some that cause only mild irritation as well as those that are highly toxic. To say that a plant is poisonous does not imply that all parts of the plant are poisonous, nor does it imply that it is poisonous for all people. For example, the rhubarb plant has both edible parts (leaf stems) and poisonous parts (leaf blades). Reactions to poisonous plants maybe caused by contact, or by eating the toxic parts of these plants. Some people are more sensitive than others to poisonous plants. The following list includes some of the common poisonous plants. There are other plants that are sometimes toxic which are not mentioned in this list. Some plants not on this list, like many manufactured products in the home, may under some conditions cause toxic ...
By Randy O. Wayne. Plant mobile Biology is a semester lengthy path for undergraduates and graduate scholars which integrates arithmetic and physics, years of chemistry, genetics, biochemistry and evolution disciplines. Having taught this path for over ten years, the writer makes use of his services to narrate the heritage demonstrated in plant anatomy, plant body structure, plant development and improvement, plant taxonomy, plant biochemistry, and plant molecular biology classes to plant phone biology. This integration makes an attempt to collapse the barrier so plant mobilephone biology is visible as an entrée into greater science.. Distinguishing this ebook from papers which are usually used for instructing the topic which use a unmarried plant to illustrate the thoughts of molecular biology, this publication covers all points of plant telephone biology with out emphasizing anybody plant, organelle, molecule, or process. even though so much examples are biased in the direction of vegetation, ...
Cytosine methylation is involved in epigenetic control of gene expression in a wide range of organisms. An increasing number of examples indicate that changing the frequency of cytosine methylation in the genome is a feasible tool to engineer novel traits in plants. Although demethylating effects of compounds have been analyzed in human cultured cells in terms of suppressing cancer, their effect in plant cells has not been analyzed extensively. Here, we developed in planta assay systems to detect inhibition of cytosine methylation using plants that contain a transgene transcriptionally silenced by an epigenetic mechanism. Seeds of two transgenic plants were used: a petunia line that has been identified as a revertant of the co-suppression of the chalcone synthase-A (CHS-A) gene and contains CHS-A transgenes whose transcription is repressed; Nicotiana benthamiana plants that contain the green fluorescent protein (GFP) reporter gene whose transcription is repressed through virus-induced transcriptional
SHIRLEY, NY, UNITED STATES - Mar 23, 2020 - As a global leading supplier of raw materials, antibodies, and reagents for bio-technology industry, Creative Diagnostics now launches high-quality plant pathogens antibodies that are suitable for use in ELISA or related immunoassays and can be ordered in bulk quantity. These new plant pathogens antibodies have been developed for use in testing imported potato breeding material, microplants of existing varieties, leaf samples from field grown plants and tuber for the detection of many indigenous and non-indigenous potato viruses.. A plant pathogen is an organism that can cause diseases on a plant. Plant pathogens that cause infectious plant diseases include fungi, bacteria, viruses and parasitic plants. The accurate and rapid identification of the plant pathogens that cause plant diseases is essential for effective disease diagnosis. Plant pathogens antibodies now have already been widely used in antibody-based assays like lateral flow assays for ...
Postdoctoral position to study the role of plant architecture in plant productivity A three-year postdoctoral position is available in the laboratory of Prof. Rudiger Simon at the Institute of Genetics, Heinrich-Heine University, Dusseldorf, Germany. The project is part of a joined research program between 17 partners from academia and industry, aiming at crop plant improvement for generation of renewable energy and chemical resources. The postholder will investigate the regulation of plant architecture, with a strong emphasis on meristem functions, in model plant species such as Arabidopsis, and employ transgenic strategies to modify plant architecture of crop plant species. Previous experience in plant molecular biology is required. The position is funded for three years at the german E13 scale. For applications and enquiries, contact ruediger.simon from uni-duesseldorf.de -- Prof. Dr. Ruediger Simon Institute for Genetics Building 26.12, Level 02, Room 44 Heinrich-Heine University University ...
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First, the study of phytochemistry (plant chemistry) is included within the domain of plant physiology. To function and survive, plants produce a wide array of chemical compounds not found in other organisms. Photosynthesis requires a large array of pigments, enzymes, and other compounds to function. Because they cannot move, plants must also defend themselves chemically from herbivores, pathogens and competition from other plants. They do this by producing toxins and foul-tasting or smelling chemicals. Other compounds defend plants against disease, permit survival during drought, and prepare plants for dormancy, while other compounds are used to attract pollinators or herbivores to spread ripe seeds. Secondly, plant physiology includes the study of biological and chemical processes of individual plant cells. Plant cells have a number of features that distinguish them from cells of animals, and which lead to major differences in the way that plant life behaves and responds differently from ...
Various plant species are typically transformed by one of three methods. Arguably, the simplest and most preferable of these methods is transformation using a species of bacteria, Agrobacterium tumefasciens. Agrobacterium naturally transforms its host plants with DNA that causes tumors or galls to grow on the host. It accomplishes this by altering hormone levels in the host plant. The tumorous growth produces ideal tissue for the bacteria to infect. In order to use Agrobacterium for plant biotechnology, researchers replace the tumor-inducing piece of DNA, or plasmid, with DNA that encodes the genes they want to engineer into the host plant. Depending on the host species, this type of transformation can be very simple or can be quite challenging. A general advantage of this transformation strategy is that it typically leads to only one or a few copies of the engineered DNA being introduced to the plant genome, which helps to ensure stable gene expression (i.e. the engineered genes will usually ...
Abstract: According to the invention, there is provided an inbred corn plant designated RQAB7. This invention thus relates to the plants, seeds and tissue cultures of the inbred corn plant RQAB7, and to methods for producing a corn plant produced by crossing the inbred plant RQAB7 with itself or with another corn plant, such as another inbred. This invention further relates to corn seeds and plants produced by crossing the inbred plant RQAB7 with another corn plant, such as another inbred, and to crosses with related species. This invention further relates to the inbred and hybrid genetic complements of the inbred corn plant RQAB7, and also to the RFLP and genetic isozyme typing profiles of inbred corn plant RQAB7 ...
Have you thought about using plants when decorating small rooms? Indoor plants are ideal for adding interest to some room and therefore are especially useful when employed for decorating small rooms. These plants could be either living or artificial its your choice. If you opt to decorate your home with living plants, then you need to realize that youre dealing with an obligation. Live plants will need you to water them and them at proper 70 degrees otherwise they might die. Replacing the dead plants can cost you money and time so take good proper care of them. If youre a person who is extremely busy but want plants to embellish up a little workplace then a simple solution for you personally would be to select silk plants. These plants are constructed with soft silk and appear like real plants whether or not they have been in a dangling basket or located on a desk or counter inside your workplace. They can fit in very nicely with many interior design ideas. Silk plants require minimum ...
This volume is based on a workshop on Woody Plant Biotechnology held at the Institute of Forest Genetics, USDA Forest Service, Placerville, California, USA, 15-19 October, 1989. This workshop was orga
The applications of cell cultures and transgenic plants in several aspects of modern biotechnology are reviewed. The usefulness of cell cultures in biosynthetic pathway investigation, micropropagation, development of new varieties, genetic mapping and gene functioning analysis and industrial production of bioactive compounds are pointed out. The emphasis of this review is also laid on scientific aspects of transgenic plants. They are successfully used for promoters and other gene regulatory sequences study, investigation of plant primary and secondary metabolite pathways and for improving both the productivity and quality of crops. Since there is a risk to transgenic plant technology mainly because of antibiotic resistance used for transgenes selection, several methods have been worked out for release marker gene which are also briefly reviewed ...
When picking water plants for your own pond, you should consider the climate of the area. There are several kinds of carnivorous plants occurring on each continent on earth, except Antarctica. So long As theres life on this particular planet, water will probably be here. A perfect means to do this, would be to hide it in the space on the list of water plants.. You never need to overcrowd your plants. There are various forms of water plants that you can select from. In case it is dry, then its time to water the plants. Some plants might need a supplemental light source inside the room.. You dont must feed the plant each time you water it. In the event the sprouts of the plant arent provided a region to grow over the water surface, the plant will most likely end up dying. Heres a record of easy to discover and grow water plants.. They dont tolerate frost as well as water temperatures below 70F. These hydrophytes travel long distances within the water, since the wind blows. It is a very ...
Transgenic plant technology has greatly facilitated the study of plant gene structure and function. It has, however, become apparent that the position of integration into the genome can influence transgene expression both quantitatively and qualitatively. One aim of the work presented in this thesis was to investigate the effects of a chicken B-globin gene matrix attachment region to insulate against these position effects in transgenic tobacco (Nicotiana tabacum). It was found that, while this sequence mediates position-independent transgene expression in mice, it does not do so in transgenic tobacco. Concurrently, a second aim of this thesis was to identify plant genes that are expressed either constitutively or in the majority of cell types. Such gene loci may contain native plant DNA elements that could confer position-independent transgene expression and would, furthermore, provide additional promoters for genetic engineering. The approach was to introduce a promoterless gusA transgene, ...
The putative thylakoid lumen immunophilin, FKBP16-3, has not yet been characterized, although this protein is known to be regulated by thioredoxin and possesses a well-conserved CxxxC motif in photosynthetic organisms. Here, we characterized rice OsFKBP16-3 and examined the role of this gene in the regulation of abiotic stress in plants. FKBP16-3s are well conserved in eukaryotic photosynthetic organisms, including the presence of a unique disulfide-forming CxxxC motif in their N-terminal regions. OsFKBP16-3 was mainly expressed in rice leaf tissues and was upregulated by various abiotic stresses, including salt, drought, high light, hydrogen peroxide, heat and methyl viologen. The chloroplast localization of OsFKBP16-3-GFP was confirmed through the transient expression of OsFKBP16-3 in Nicotiana benthamiana leaves. Transgenic Arabidopsis and transgenic rice plants that constitutively expressed OsFKBP16-3 exhibited increased tolerance to salinity, drought and oxidative stresses, but showed no change in
Nitrate uptake is a highly regulated process. Understanding the intricate interactions between nitrate availability and genetically-controlled nitrate acquisition and metabolism is essential for improving nitrogen use efficiency and increasing nitrate uptake capacity for plants grown in both nitrate-poor and nitrate-enriched environments. In this report, we introduced into tobacco (Nicotiana tabacum) the constitutively expressed maize high-affinity transporter ZmNrt2.1 gene that would bypass the tight control for the endogenous nitrate-responsive genes. By using calcium inhibitors and varying levels of NO3 −, Ca2+ and K+, we probed how the host plants were affected in their nitrate response. We found that the ZmNrt2.1-expressing plants had better root growth than the wild type plants when Ca2+ was deficient regardless of the nitrate levels. The growth restriction associated with Ca2+-deficiency can be alleviated with a high level of K+. Furthermore, the transgenic plants
An ATPase associated with various cellular activities (AAA) protein was previously shown to be involved in pathogen response in tobacco plants and designated as NtAAA1. Transgenic tobacco lines in which ,i,NtAAA1,/i, was suppressed by the RNA-interference (RNAi) were found to exhibit an elevated resistance to ,i,Pseudomonas syringae,/i, infection, suggesting that ,i,NtAAA1,/i, negatively controlled the defense reaction. To identify genes that were regulated by NtAAA1, differential micro-array screening between ,i,NtAAA1,/i,-RNAi and wild type plants was performed. Results brought out 330 affected genes, which were classified into functional categories, including transcriptional regulation, signal transduction, secondary metabolism and others. Notably, 43 genes were stress- and defense-related, among which 10 were phytohormone-related. Subsequent examination revealed that, in RNAi transgenic plants, genes related to salicylic acid were up-regulated, whereas those related to jasmonic acid and ...
It is true that plants have a faster growth with the help of carbonated water than the regular tap water. This is just not an assumption but a fact that has been proved with the help of experiments. Carbonated water has high level of micro nutrients that provide the plants with required ingredients. Thus, it results in quick growth and also gives the plant a good shade of green. Gardeners these days prefer to feed their plants with carbonated water for healthy growth of plants.. The experiment conducted to show the effects of carbonated water on plants had plants divided in two groups. Both the groups of plants were given equal amount of sun, and other nutrients. The care given to each was also same, the only difference was one group was given carbonated water and the other normal tap water. Each day the plants were measured, for about 10 days and guess what, plants fed with carbonated water actually did grow faster then the other group. It also showed healthier shade of green than the rest. ...
9:30 a.m. to 4:30 p.m. - Open to the Public. April brings spring flowers, occasional showers . . . and the plant sale everyone waits for. Fairchild Tropical Botanic Garden will be overflowing with treasured plants specially grown in the Garden¹s own nurseries, unusual plants started from seeds brought back from Garden-sponsored expeditions and plants propagated from the Garden¹s own collections. Below youll find detailed descriptions of just a few of the plants offered.. Please remember: there are many plants, but quantities of each species and cultivar are limited. In addition to the Fairchild plants, there will be extensive offerings from local plant societies, which will offer both dependable favorites and fascinating new discoveries. This is the perfect place to find a special plant for your collection. With such a variety from which to choose, youll be happy to know that Fairchild¹s knowledgeable staff along with enthusiasts from local plant societies will be on hand to help you make ...
Genetic transformation of plants has become a widely used technology that serves multiple purposes in plant biology research. However, considerable variation of transgene expression is often observed within populations of transgenic plants transformed with the same transgene construct. This inter-transformant variation of transgene expression hampers proper evaluation of transgenes and might be most undesirable when high-throughput transgene screening is intended. The general plant transformation strategy today is to generate a sufficiently high number of transgenic plants to find some transformants with the desired level of expression. To reduce cost, labor and interpretational flaws, multiple efforts are being directed toward achieving stable expression of transgenes with an expected level of expression. Various factors are thought to contribute to transgene expression variation including the transgene copy number, RNA silencing, transgene insertion site and the employment of certain ...
The multifunctional protein kinase CK2 is involved in several aspects of the DNA damage response (DDR) in mammals. To gain insight into the role of CK2 in plant genome maintenance, we studied the response to genotoxic agents of an Arabidopsis CK2 dominant-negative mutant (CK2mut plants). CK2mut plants were hypersensitive to a wide range of genotoxins that produce a variety of DNA lesions. However, they were able to activate the DDR after exposure to γ irradiation, as shown by accumulation of phosphorylated histone H2AX and up-regulation of sets of radio-modulated genes. Moreover, functional assays showed that mutant plants quickly repair the DNA damage produced by genotoxins, and that they exhibit preferential use of non-conservative mechanisms, which may explain plant lethality. The chromatin of CK2mut plants was more sensitive to digestion with micrococcal nuclease, suggesting compaction changes that agreed with the transcriptional changes detected for a number of genes involved in chromatin ...
Summary of Facts and Submissions. I. European patent application No. 91 810 144.5 published under No. 0 488 511 with the title Anti-pathogenically effective compositions comprising lytic peptides and hydrolytic enzymes was refused by the Examining Division.. Claim 19 as refused read as follows:. A transgenic plant and the seed thereof comprising recombinant DNA sequences encoding. a) one or more lytic peptides, which is not lysozyme, in combination with;. b) one or more chitinases; and/or. c) one or more beta-1,3-glucanases in a synergistically effective amount.. Claims 20 to 22 were directed to further embodiments of the subject-matter of claim 19.. Claims 23 and 24 read as follows:. 23. A method of preparing a transgenic plant which is able to synthesize one or more lytic peptides together with one or more chitinases; and/or one or more beta-1,3-glucanases in a synergistically effective amount; said method comprising the steps of preparing a transgenic plant comprising recombinant DNA ...
Genomic information from plants can be used to enhance agricultural production and improve food security in a sustainable manner. Through better understanding of the relationship between a plants genetic information and the resulting behavior, improved crops with better traits (resistance to diseases, tolerance to drought, etc.) can be developed. This can be achieved through cross pollinating plants with selected traits to produce a hybrid with the desired characteristics. A research team led by Prof Eunyoung Chae from the Department of Biological Sciences, NUS, has discovered that in selective plant breeding, the genes responsible for providing defense responses against powdery mildew (RPW8) in the Arabidopsis thaliana plant, when duplicated as multiple copies in the genome, can misregulate immune receptors to trigger autoimmunity in hybrid plants. This can cause the premature gradual death of the foliage in these hybrids, known as hybrid necrosis. The researchers applied a technique known as ...
Unlike animals, plants cant run away when things get bad. That can be the weather changing or a caterpillar starting to slowly munch on a leaf. Instead, they change themselves inside, using a complex system of hormones, to adapt to challenges.. Now, MSU-DOE Plant Research Laboratory scientists are connecting two plant defense systems to how these plants do photosynthesis. The study, conducted in the labs of Christoph Benning and Gregg Howe, is in the journal, The Plant Cell.. At the heart of this connection is the chloroplast, the engine of photosynthesis. It specializes in producing compounds that plants survive with. But plants have evolved ways to use it for other, completely unrelated purposes.. Their trick is to harvest their own chloroplasts protective membranes, made of lipids, the molecules found in fats and oils. Lipids have many uses, from making up cell boundaries to being part of plant hormones, to storing energy.. If plants need lipids for some purpose other than serving as ...
The plants that are likely most familiar to us are the multicellular land plants, called embryophytes. They include the vascular plants, plants with full systems of leaves, stems, and roots. They also include a few of their close relatives, often called bryophytes, of which mosses and liverworts are the most common.. All of these plants have eukaryotic cells with cell walls composed of cellulose, and most obtain their energy through photosynthesis, using light and carbon dioxide to synthesize food. About three hundred plant species do not photosynthesize but are parasites on other species of photosynthetic plants. Plants are distinguished from green algae, which represent a mode of photosynthetic life similar to the kind modern plants are believed to have evolved from, by having specialized reproductive organs protected by non-reproductive tissues.. Bryophytes first appeared during the early Palaeozoic. They can only survive where moisture is available for significant periods, although some ...
Argonaute (AGO) proteins form the core of the RNA-induced silencing complex, a central component of the smRNA machinery. Although reported from several plant species, little is known about their evolution. Moreover, these genes have not yet been cloned from the ecological model plant, Nicotiana attenuata, in which the smRNA machinery is known to mediate important ecological traits. Here, we not only identify 11 AGOs in N. attenuata, we further annotate 133 genes in 17 plant species, previously not annotated in the Phytozome database, to increase the number of plant AGOs to 263 genes from 37 plant species. We report the phylogenetic classification, expansion, and diversification of AGOs in the plant kingdom, which resulted in the following hypothesis about their evolutionary history: an ancestral AGO underwent duplication events after the divergence of unicellular green algae, giving rise to four major classes with subsequent gains/losses during the radiation of higher plants, resulting in the large