• My interest in plant population biology and evolution developed early in life through many hours of hiking and working in the Rocky Mountains of Canada. (uoguelph.ca)
  • degree in which I investigated the biology of submerged aquatic plants and focused my interests on the ecology of small, isolated plant populations. (uoguelph.ca)
  • Speciation is a constant theme in the study of evolutionary biology. (biodiversity-science.net)
  • Understanding the mechanisms of speciation remains crucial in the fields of evolutionary biology, taxonomy, conservation biology and biodiversity. (biodiversity-science.net)
  • Coevolution among species and the impacts of geography on evolution have always been major research areas within evolutionary biology. (nature.com)
  • He has been the past president of European Society of Evolutionary Biology (ESEB) for 2013-2015 and was awarded in 2015 the Darwin-Wallace Medal of the Linnean Society of London to his outstanding contribution to research on Evolution. (metode.org)
  • at the last Memorial Peregrí Casanova, organized the 19th May by the Cavanilles Institute of Biodiversity and Evolutionary Biology and the Unit Chair for Scientific Innovation of the University of Valencia. (metode.org)
  • This page is an informal guide to the history of evolutionary biology from about 1800 to about 1950. (equisetites.de)
  • Kings Park Science staff co-supervise projects in plant biology, conservation biology and restoration ecology at all Western Australian universities. (wa.gov.au)
  • These annual scholarships provide the opportunity for talented students contemplating honours or post-graduate research in native plant conservation biology or restoration ecology to undertake a 12-week research project, under supervision of scientists. (wa.gov.au)
  • The population ecology, seed biology and fire response of invasive plant species. (wa.gov.au)
  • AoB PLANTS is an open-access, online journal that publishes peer-reviewed articles on all aspects of environmental and evolutionary biology. (botany.one)
  • Half of all known plant genera contain polyploid species, and about two-thirds of all grasses are polyploid. (wikipedia.org)
  • The same search parameters were applied to reveal the SSR content of 14 other plant species for which genome sequence is available. (researchgate.net)
  • We have explored these issues through studies on endangered species, effective population size, metapopulation dynamics, the effects of drift on mating system evolution, inbreeding depression, and the mechanisms by which hybridization causes extirpation of rare species. (uoguelph.ca)
  • With estimates of polyploidy occurring in 30-80% of angiosperm species (Soltis & Soltis 2000), this is not an uncommon problem in botany today. (rutgers.edu)
  • For two plant growth-promoting bacterial isolates, the population of bacterial cells reaches a coverage density of 1-2% of the root's surface at the end of a 4 d observation period regardless of bacterial species or inoculum concentration. (nsf.gov)
  • Although some of these systems work well with Arabidopsis thaliana and smaller cereal model plants, they may not scale up as well for use with hundreds of plants at a time from a larger plant species. (nsf.gov)
  • In addition, given the more frequent transitions to selfing from outcrossing in plant species, both flower characters and genomic differentiation could drive the so-called selfing syndromes. (biodiversity-science.net)
  • The commonly used names for plant and animal taxa sometimes correspond to species: for example, " lion ," " walrus ," and " Camphor tree ," each refers to a species. (wikidoc.org)
  • Species concepts are also important for evaluating variability and diversity among communities, understanding biogeographical distributions, and identifying causal agents of disease across animal and plant hosts. (frontiersin.org)
  • We highlight the relevance of eco-evolutionary theory used in conjunction with integrative taxonomy approaches to improve the understanding of interactions between environment, ecology, and evolution that give rise to distinct species boundaries. (frontiersin.org)
  • In the first sense of the term, a hybrid is the result of interbreeding between two animals or plants of different taxa , whether between individuals belonging to different species within the same genus (interspecific hybrids or crosses), different subspecies within the same species (intraspecific hybrids), or different genera (intergeneric hybrids). (newworldencyclopedia.org)
  • In the second sense of the term, often used in plant and animal breeding, a hybrid results from crosses between populations, breeds, or cultivars within a single species or subspecies. (newworldencyclopedia.org)
  • As a general rule, animals and plants belonging to distinct species do not produce offspring when crossed with each other, and if viable offspring are produced, they generally are infertile (although not always). (newworldencyclopedia.org)
  • Most often other mechanisms are used by plants and animals to keep gametic isolation and species distinction. (newworldencyclopedia.org)
  • The development of new species from hybridization is known from plants, through the development of polyploidy . (newworldencyclopedia.org)
  • If we are to define 'species' on the basis of an inability to produce children when bred with the mother stock, then we need evolutionary changes in genes that will (1) produce the same changes in both males and females and at the same time, (2) produce a large number of boys and girls who can mate with each other without the costs of inbreeding. (behavior.net)
  • 2019. Polyploidy promotes species diversification of Allium through ecological shifts. (bionomia.net)
  • Despite their old age, conifers are relatively species poor group of plants with about 700 described species. (pkilab.org)
  • Ignoring Gnetales, a highly diverged and basal group of plants that share features with both conifers and angiosperms and who's phylogenetic placement is still highly contentious, only three polyploid conifer species are known. (pkilab.org)
  • Polyploidy has played an obvious role in at least five of the six sections within the genus Festuca , accounting for approximately 74% of all Festuca species. (oregonstate.edu)
  • The greatest effect on offspring fertility was in the cross with F. drymeja , suggesting considerable differences between chromosome sets of these species. (oregonstate.edu)
  • GSKs also exist in a number of plant species [ 7 ]. (biomedcentral.com)
  • The chloroplast genes mat K and rbc L have been proposed as a "core" DNA barcode for identifying plant species. (biomedcentral.com)
  • Greater success in discriminating among the Japanese species reflects the deeper evolutionary history of Viburnum in that area, as compared to the recent radiation of a single clade into the mountains of Latin America. (biomedcentral.com)
  • We found very low levels of discrimination among closely related species of Viburnum , and low levels of variation in the proposed barcoding loci may limit success within other clades of long-lived woody plants. (biomedcentral.com)
  • Inclusion of the supplementary barcodes trn H- psb A and nrITS increased discrimination rates but were often more effective alone rather than in combination with rbc L + mat K. We surmise that the efficacy of barcoding in plants has often been overestimated because of the lack of comparisons among closely related species. (biomedcentral.com)
  • My research examines the effects of human activity on global biodiversity, with emphases on (1) the behavioral responses of animals to human presence, (2) the effects of anthropogenic disturbance on predator-prey and other species interactions, and (3) the socio-ecological dynamics of conservation and coexistence. (ubc.ca)
  • Due to its ubiquitous presence in all green plant lineages, polyploidy (or whole-genome duplication) is being studied as an important factor in ecological and evolutionary trajectories in plants. (rutgers.edu)
  • Professor Jacob Weiner has made important contributions in several areas of ecology, including size variation within plant populations, plant competition at the individual and population levels, plant growth and resource allocation, and the application of ecological and evolutionary knowledge to agricultural production systems. (botany.org)
  • In 1925 there was comparatively little systematic study of life, so we really didn't know what proportion of plant or animal taxa showed polyploidy. (stackexchange.com)
  • Molecular phylogenetics and systematics of native plant taxa. (wa.gov.au)
  • Plant-microbe interactions underpin processes related to soil ecology, plant function, and global carbon cycling. (nsf.gov)
  • Described methods are either conventional when the enriched plants are obtained through traditional breeding (sweet potato), or processes of genetic engineering are applied because of the insufficiency or impossibility to use conventional methods (banana, rice, cassava, sorghum). (nusl.cz)
  • Impact of brassinosteroids on primary photosynthetic processes in plants has not been proven under these conditions, neither on the activity of photosystem (PS) I nor on the Hill reaction. (nusl.cz)
  • They also advance the geographic mosaic theory of coevolution, which is a particular thesis regarding the role of evolutionary and ecological processes in determining patterns of coevolutionary outcome across geographical localities. (nature.com)
  • Research Activities: Plant physiological ecology, resource acquisition and use (carbon and nitrogen), carbon partitioning and allocation, water relations, global climate change and pollution impacts on plant physiological processes. (fresnostate.edu)
  • Therefore, plants have evolved a number of mechanisms to ensure that P is readily available for all these processes. (biomedcentral.com)
  • In the Course of Genetics, the student will learn the genetic mechanisms at the bases of Mendelian genetics, the main molecular aspects of the Central Dogma, how genes work, with emphasis on the relationship between the type of mutation and the resulting phenotype, and last the models for the study of evolutionary processes. (uninsubria.eu)
  • Overall, the student will be able to assess the effect of variations in the genetic material on biochemical, physiological and molecular processes, with a special regard for quantitative traits. (uninsubria.eu)
  • The learning outcomes, in terms of "Knowledge and know" are: achievement of informed judgment, adequate expertise and communication skills in relation to the genetic mechanisms at the bases of Mendelian genetics, molecular aspects of DNA replication, of transcription and translation, gene function, evolutionary processes and the theoretical and practical bases of recombinant DNA technology. (uninsubria.eu)
  • Despite the role of polyploidy in multiple evolutionary processes, its impact on plant diversification remains controversial. (bionomia.net)
  • Plant Glycogen Synthase Kinase 3/ SHAGGY-like kinases (GSKs) have been implicated in numerous biological processes ranging from embryonic, flower, stomata development to stress and wound responses. (biomedcentral.com)
  • Evolutionary significance of genome duplication. (uoguelph.ca)
  • Genome duplication above the diploid state (a.k.a. polyploidy) is widespread among plants and animals and is particularly common in flowering plants and ferns. (uoguelph.ca)
  • This whole package of DNA (genome) and protein (epigenome) in a chromosome is what controls the development and maintenance of eukaryotic organisms (protists, fungi, animals, and plants). (carnivorousplants.org)
  • 2003 ). In 2017, the first chromosome-scale reference genome sequence of quinoa was published, and it has provided the much-needed resource for plant biologists to design molecular breeding and crop improvement programs for quinoa (Jarvis et al. (springer.com)
  • Variations in the organisation of the genome: changes of chromosome number and the effects of polyploidy. (uninsubria.eu)
  • The low impact of genome duplications is further highlighted by the very low rate of polyploidy in conifers. (pkilab.org)
  • Retrotransposable elements are important and peculiar genetic components derived from ancient retrovirus insertion inside plants genome. (sisef.it)
  • Their ability to move and/or replicate inside the genome is an important evolutionary force, responsible for the increase of genome size and the regulation of gene expression. (sisef.it)
  • The observed differences in genome size in plants are accompanied by variations in the content of LTR retrotransposons, demonstrating that such elements might be important players in the evolution of plant genomes, along with polyploidy ( [11] ). (sisef.it)
  • In contrast to the human genome that contains two genes, plant GSKs are encoded by a multigene family. (biomedcentral.com)
  • Here, we report the identification and structural characterization of two GSK homologs named TaSK1 and TaSK2 in the hexaploid wheat genome as well as a widespread phylogenetic analysis of land plant GSKs. (biomedcentral.com)
  • Genome variability in the somatic plant cells. (org.ua)
  • [1] Kunakh VA. Genome variability in plant somatic cells. (org.ua)
  • Polyploidy and Grass Genome Evolution. (moam.info)
  • For my Ph.D., I shifted my focus to the genetic and evolutionary aspects of small populations in a project on genetic drift and mating system variation in a South American aquatic plant. (uoguelph.ca)
  • To understand these relationships we focus mainly on plant genetic systems, those reproductive attributes that govern mutation, gamete formation, pollination, fertilization, and organization of genetic diversity in populations. (uoguelph.ca)
  • This can have a profound effect on mating patterns, genetic diversity, and ecology, with important implications for conservation and the evolutionary process. (uoguelph.ca)
  • Although, the studies of quinoa floral morphology and the effects of heat and light on its flowering have been undertaken, the understanding of the underlying genetic framework is lacking (Bertero et al. (springer.com)
  • One understudied opportunity is using feral crops-plants that have escaped and persisted without cultivation-as a source of genetic diversity, which could build resilience in domesticated conspecifics. (weizmann.ac.il)
  • These questions, which emerged from the colloquium "Darwins' reversals: What we now know about Feralization and Crop Wild Relatives" at the BOTANY 2021 conference, fall into seven categories that span both basic and applied research: (1) definitions and drivers of ferality, (2) genetic architecture and pathway, (3) evolutionary history and biogeography, (4) agronomy and breeding, (5) fundamental and applied ecology, (6) collecting and conservation, and (7) taxonomy and best practices. (weizmann.ac.il)
  • The effects of mutation, gene flow, selection and genetic drift on the gene pool. (uninsubria.eu)
  • Genetics of cryopreserved plant material: can genetic stability be presumed, or is there more to it? (wa.gov.au)
  • 3) Why do we focus on genetic differences in studying evolutionary change? (uconn.edu)
  • The use of blue anthocyanins in red flowers appears to differ from other groups, and suggests that the genetic changes underlying evolutionary transitions to red flowers may not be as predictable as previously suggested. (botany.one)
  • Data on the dynamics of the cell population genetic structure as well as the role and peculiarities of the selection effects in the course of the cell adaptation to in vitro conditions have been reviewed. (org.ua)
  • Many animals are uniformly diploid, though polyploidy is common in invertebrates, reptiles, and amphibians. (wikipedia.org)
  • There is, however, evidence of polyploidy in organisms now considered to be diploid, suggesting that polyploidy has contributed to evolutionary diversification in plants and animals through successive rounds of polyploidization and rediploidization. (wikipedia.org)
  • Diploid and tetraploid cytotypes are sympatric in several New Jersey locales, but the ecological effects of mixed ploidy are unknown. (rutgers.edu)
  • animals usually have two sexes which are differentiated by means of a process involving the diploid mechanism of segregation and combination whereas plants-at least the higher plants-are usually hermaphroditic. (stackexchange.com)
  • 2020) Polyploidy-associated paramutation in Arabidopsis is determined by small RNAs, temperature, and allele structure. (oeaw.ac.at)
  • 2020. Biomes as evolutionary arenas: Convergence and conservatism in the trans‐continental succulent biome A. Moles [ed. (bionomia.net)
  • For many organisms, especially plants and fungi, changes in ploidy level between generations are major drivers of speciation. (wikipedia.org)
  • Its prevalence in plants (and absence in many animals) has long puzzled biologists and recent mathematical models still argue that polyploidy should rarely evolve in sexual organisms with non-overlapping generations. (uoguelph.ca)
  • Why is polyploidy lethal for some organisms while for others is not? (stackexchange.com)
  • i) The virulence of the biocontrol agent must be enhanced to overcome evolutionary barriers either by mixing with synergistic chemicals or with one or more organisms, and/or by mutagenic or transgenic enhancing of virulence of the biocontrol fungus. (weizmann.ac.il)
  • Viruses could tinker with gene structure, in many settings, exerting largely the same effects in males and females at the same time and at the same point on the chromosome, and do so to large numbers at once, and produce a large cluster of organisms that can breed with each other but not with the parent stock. (behavior.net)
  • My research and that of my lab group is focused on the ecology and genetics of plant populations. (uoguelph.ca)
  • We further discussed the molecular genetics basis of postzygotic reproductive isolation and the evidence derived from analyses of applying population genomic data, including BDMI (Bateson-Dobzhansky-Muller incompatibility), QTLs (quantitative trait loci) analysis, Haldane's rule and the large X-chromosome effects. (biodiversity-science.net)
  • I couldn't think of a suitable mechanism until yesterday morning when looking at Maynard Smith's new edition of 'Evolutionary Genetics. (behavior.net)
  • Our research currently focuses on two aspects of plant reproduction: the evolution of self-fertilization versus cross-fertilization (mating system), and the adaptive significance of dichogamy (temporal separation of male and female function). (uoguelph.ca)
  • She was, in turn, an outspoken critic of mainstream evolutionary biologists for what she saw as a failure to adequately consider the importance of chemistry and microbiology in evolution. (edge.org)
  • Since homology is much hard to ascertain when dealing with multi-gene families, we searched for genes that have remained single copy over the course of seed plant evolution. (pkilab.org)
  • It has been concluded that cell adaptation to the conditions of long-term maintenance in the passaged culture is the process of formation of the novel biological system as a result of the effect of the major driving factors of evolution, viz. (org.ua)
  • In this review, we examine the diversity and peculiarities of cytoplasmically inherited genomes, and the broad evolutionary consequences that non-Mendelian inheritance brings. (nature.com)
  • Retrotransposons (RNA mediated Class I TEs) are the most widespread class of eukaryotic TE, particularly relevant in shaping plant genomes ( [10] , [44] ). (sisef.it)
  • Diverging new lineages need to become reproductively isolated to proceed to speciation, so that they could follow their evolutionary way independently, without interbreeding. (metode.org)
  • Defining plant physiological thresholds and function in restoration environments. (wa.gov.au)
  • It will serve as valuable resource for plant biologists, crop physiologists and breeders to facilitate further research and establishment of modern breeding programs for quinoa. (springer.com)
  • However, the reciprocal influences of variation in environmental conditions and phenotypic trait expression in spreading plant populations are not clearly defined. (osti.gov)
  • Different mutations give different phenotypic effects. (uninsubria.eu)
  • 7) What's the difference between evolutionary change and phenotypic plasticity? (uconn.edu)
  • 2) In class, we focused on figuring out how to tell if a phenotypic difference was caused by an evolutionary change. (uconn.edu)
  • What if there's no phenotypic difference between two populations you observe in the wild--could there still have been an evolutionary change? (uconn.edu)
  • Flowering is governed by external and internal cues which are communicated to the plant through a complex network of flowering genes (Andrés and Coupland 2012 ). (springer.com)
  • In the end, we identified 42 genes that were mostly single copy and that was present in 31 conifers and 34 flowering plants. (pkilab.org)
  • Miniature Inverted TEs (MITEs) are defective, non autonomous forms of DNA transposons and are the predominant TE type in or near plant genes ( [10] ). (sisef.it)
  • Based on a single ancestral gene in the last common ancestor of all land plants, paralogs were acquired and retained through paleopolyploidization events, resulting in six to eight genes in angiosperms. (biomedcentral.com)
  • Specifically, the Plant Working Group of the Consortium for Barcodes of Life has proposed the combined use of short segments of the chloroplast genes mat K and rbc L as a "core" plant barcode [ 5 ]. (biomedcentral.com)
  • Ellis and Field examined the patterns of evolutionary transitions between anthocyanin-pigmented (red, pink, blue. (botany.one)
  • For example, he showed that patterns of allocation in plants that had been interpreted as "flexible reproductive strategies" could be better and more simply explained in terms of fixed allometric trajectories. (botany.org)
  • Genecological assessment of local adaptation and the response of plant populations to climate change: implications for seed sourcing for restoration. (wa.gov.au)
  • Campiglossa footeorum is intimately linked to A. cordifolia , and polyploidy should be included in any assessment of the insect's population dynamics. (byu.edu)
  • Using a microfluidic platform to culture plants with beneficial bacteria, visualization and quantification of the spatial dynamics of these interactions during the early stages of plant development is possible. (nsf.gov)
  • In this review, we describe the diversity of inheritance systems of CIEs, and highlight the evolutionary consequences that these inheritance systems bring to cellular, organismal and population dynamics (Fig. 1 ). (nature.com)
  • Fiber of cotton is an excellent model which is mainly deal with elongation of plant cell, cell wall and biosynthesis of cellulose ( Kim and Triplett, 2001 KIM, H.J. and TRIPLETT, B.A., 2001. (scielo.br)
  • Local population is dependent on a few crop types actually planted and harvested is such regions. (nusl.cz)
  • There is a breeding method aiming at increasing the level of β-carotene in consumed parts of plants described for each particular crop type. (nusl.cz)
  • Genomic resources expand the toolbox available for plant breeding and crop improvement efforts. (biomedcentral.com)
  • Various tools have risen in popularity for plant breeding, in some cases as short-lived bandwagons and others as paradigm shifts in crop improvement [ 1 , 2 ]. (biomedcentral.com)
  • is a grain crop grown in the Andes renowned as a highly nutritious plant exhibiting tolerance to abiotic stress such as drought, cold and high salinity. (springer.com)
  • a grain crop grown in the Andes, is receiving worldwide attention as a highly nutritious plant with gluten free and low-glycaemic index seeds (Bazile et al. (springer.com)
  • 2015 ). The yield of a crop plant is majorly governed by flowering process as it is the first step towards seed formation. (springer.com)
  • Such hybridizations are fertile and allow the development of particular plants and animals of great value for people, such as a more disease resistant crop or flowers with rare beauty. (newworldencyclopedia.org)
  • polyploidy in crop plants. (org.ua)
  • Disadvantages of aeroponic systems include the likelihood of altered root physiology compared to root growth on soil and other solid substrates and the need to have separate aeroponic systems for comparing plant responses to different microbial strains. (nsf.gov)
  • Understanding physiology of micropropagated plant responses to stress incurred during transfer from the in vitro environment to soil and ex vitro conditions. (wa.gov.au)
  • Although polyploidy can alter host plants in important ways (e.g., size, phenology, resource use, and ecological range), little is known about the effects of polyploidy-associated changes on plant-insect interactions. (byu.edu)
  • This microfluidic approach provides context for understanding plant-microbe interactions during the early stages of plant development and can be used to generate new hypotheses about physical and biochemical exchanges between plants and their associated microbial communities. (nsf.gov)
  • Various growth systems are available for studying plant root growth and plant-microbe interactions including hydroponics and aeroponics. (nsf.gov)
  • Aeroponic systems present a convenient way for researchers to grow plants for studying root systems and plant-microbe interactions in root systems. (nsf.gov)
  • Our results suggest a role for interactions between IPTV (rather than trait means) and environmental resource availability in promoting plant invasions, providing new insights into the significance of IPTV in shaping plant geographic distributions. (osti.gov)
  • [7] Kunakh VA. Polyploidy in cell culture in vitro and its possible causes. (org.ua)
  • A generally north to south spreading direction was found in these B. hybridum populations, towards a drier and warmer climate exhibiting higher moisture deficit for plant growth. (osti.gov)
  • In plant and animal breeding, hybrids commonly are produced and selected because they have desirable characteristics not found or inconsistently present in the parent individuals or populations. (newworldencyclopedia.org)
  • How plant functional traits interact with varying fire season, intensity or interval to influence the persistence of plant populations under different fire regimes. (wa.gov.au)
  • This stands in stark contrast to diversity in flowering plants (Angiosperms) where close to 300,000 spaces are currently described. (pkilab.org)
  • To account for plant diversity in terms of functionality, morphology and development, attention has to be devoted to Liliopsida resp Poaceae GSKs in addition to Arabidopsis GSKs. (biomedcentral.com)
  • Research Activities: Nitrogen and carbon partitioning in grasses and the development of plant tissue culture methodologies. (fresnostate.edu)
  • [4] Kunakh VA. Cytogenetic behaviour of tissue culture of Haplopappus Culture of isolated organs, tissues and cells of plants M.: Nauka, 1970:155-8. (org.ua)
  • [17] Kallak H, Jarvekulg JL, Vapper M. Plant tissue culture as a convenient model studying various cytogenetic problems. (org.ua)
  • Plants and cancer cells are notriously unregulated in ploidy count. (stackexchange.com)
  • It is significant to clarify the role of mating system as a driver or as a reinforcer in plant speciation. (biodiversity-science.net)
  • Effect of the growth conditions, role of the genotype, phytohormones and other factors that control the variability and selection trends liave been discussed. (org.ua)
  • The main reason for these stark differences between conifers and flowering plants is that conifers indeed have much lower mutation rates, up to 7-fold lower than in flowering plants. (pkilab.org)
  • For example a single point mutation in the DNA can have extremely serious side effects. (blogspot.com)
  • In Arabidopsis and rice, functions of some SPXs have been characterized, but little is known about their function in other plants, especially in the legumes. (biomedcentral.com)
  • A phylogenetic analysis of land plant GSKs indicated that TaSK1 and TaSK2 belong to clade II of plant GSKs, the Arabidopsis members of which are all involved in Brassinosteroid signaling. (biomedcentral.com)
  • Published by Oxford University Press, AoB PLANTS provides a fast-track pathway for publishing high-quality research, where papers are available online to anyone, anywhere free of charge. (botany.one)
  • Plants exhibit a bewildering array of breeding systems, reflected by variation in gender, floral form and display, mechanisms of pollen transfer, and pathways of fertilization and seed maturation. (uoguelph.ca)
  • trn H- psb A and nrITS show much higher levels of variation and potential discriminatory power, and their use in plant barcoding should be reconsidered. (biomedcentral.com)
  • The plant cell adaptation has been shown to be the multistage event. (org.ua)
  • Polyploidy is the multiplication of number of chromosomal sets from 2n to 3n (triploidy), 4n (tetraploidy) and so on. (stackexchange.com)
  • Chromosomal mutations: deletions, duplications, inversions and translocations and their effects on the phenotype. (uninsubria.eu)
  • We incorporated a genotyping-by-sequencing approach, a common garden experiment that had two water level treatments, and public plant and climate databases. (osti.gov)
  • All three of these Montanae diploids were crossed successfully with F. scariosa , but chromosome pairing was reduced in the resulting hybrid plants. (oregonstate.edu)
  • The hybrid plants that were generated were male sterile with extensive failure in chromosome pairing. (oregonstate.edu)
  • We found that SPX harboring proteins showed fluctuations in domain fusions from algae to the angiosperms with, finally, four classes appearing and being retained in the land plants. (biomedcentral.com)
  • It is quite common in plants, for example many crops like wheat or Brassica forms. (stackexchange.com)
  • By bridging historically siloed ecological, agronomic, and evolutionary lines of inquiry into feral crops, there is the opportunity to improve food security and understand this relatively understudied anthropogenic phenomenon. (weizmann.ac.il)
  • 13) Given what you know about the different types of non-random mating and their effects on genotype and allele frequencies, what would you expect to be the result of disassortative mating? (uconn.edu)
  • The fate of plant hybrids in nature depends very much on the compatibility of the chromosomes of the parents, which parent is the seed parent, and the exact circumstances of the event. (carnivorousplants.org)
  • Currently, microfluidic platforms are at the forefront of innovation for culturing, imaging, and manipulating plants in controlled environments. (nsf.gov)
  • Here, we propose that during invasion, IPTV and its relative change in response to key resource enrichment may increase with the resource deficit of invaded sites, and that this relationship may facilitate plant invasions into resource-limited environments. (osti.gov)
  • Another topic dealt with in this thesis is the possible protective influence of brassinosteroids on plants. (nusl.cz)
  • Bradamante G, Mittelsten Scheid O, Incarbone M (2021) Under siege: virus control in plant meristems and progeny. (oeaw.ac.at)
  • The first documented evidence for this came from Carl Correns research on the four o'clock plant Mirabilis jalapa , in which he detailed the non-Mendelian inheritance of leaf colour (Correns 1909 ). (nature.com)
  • Polyploidy and the evolutionary history of cotton. (scielo.br)
  • While animal steroid hormones are very well known and have been studied for a long time, in plants no steroid substances were known until relatively recently. (nusl.cz)
  • Professor Roger Butlin works at the Department of Animal and Plant Sciences, Univ. (metode.org)
  • In a recent study published by AoB PLANTS, Ng and Smith examined the biochemical basis of red flowers in the tomato family, Solanaceae. (botany.one)