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  • scientists
  • These stems become considerably longer at 28 degrees (82.4 ° F). In the lab, the scientists identified plants with a gene defect which still only formed short stems at 28 degrees. (eurekalert.org)
  • UPTON, NY Through work originally designed to remove contaminants from soil, scientists at the U.S. Department of Energy s (DOE) Brookhaven National Laboratory and their Belgium colleagues at Hasselt University have identified plant-associated microbes that can improve plant growth on marginal land. (webwire.com)
  • In the current study, the scientists isolated bacteria normally resident in poplar and willow roots, which are known as endophytic bacteria, and tested selected strains abilities to increase poplar growth in a controlled greenhouse environment. (webwire.com)
  • The plants were first washed and surface-sterilized to eliminate the presence of soil bacteria so the scientists could study only the bacteria that lived within the plant tissues true endophytic bacteria. (webwire.com)
  • Scientists harnessed the power of synthetic chemistry to design compounds similar to auxin, a small chemical hormone that controls nearly all aspects of plant growth, development, and behavior. (brightsurf.com)
  • For decades, scientists have been trying to figure out what all the carbon dioxide we have been putting into the atmosphere has been doing to plants. (nytimes.com)
  • Since plants depend on carbon dioxide to grow, scientists have long wondered if that extra gas might fertilize them. (nytimes.com)
  • To get some real-world measurements of plant growth, some scientists have built enclosures so that they can determine the precise amounts of carbon dioxide as well as the growth of plants. (nytimes.com)
  • Scientists found that plants responded differently to carbon dioxide in different parts of the world. (nytimes.com)
  • More recently, scientists have turned to satellites to get clues to what plants have been doing. (nytimes.com)
  • In the mid-2000s, atmospheric scientists discovered a powerful new way to measure plant growth: by studying an unimaginably rare molecule called carbonyl sulfide. (nytimes.com)
  • At approximately 7,300 square feet, the state-of-the-art facility will draw on the University's existing strengths, bringing together engineers who develop new sensor technologies with plant scientists looking to answer novel experimental questions. (purdue.edu)
  • In recent studies made by scientists from the University of Vermont, the wood cores or rings found in more than a hundred trees of varying species showed that trees began with their growth decline as early as the 1950s. (brighthub.com)
  • Scientists at UC Riverside have identified the molecular mechanism by which photoreceptors called phytochromes control plant growth and development. (eurekalert.org)
  • Until now, scientists haven't fully understood the molecular mechanism underlying that process, which allows plants to recognize when they're in the shade and grow toward the sun, and to sense what season it is so they can bloom in spring. (eurekalert.org)
  • Most scientists did not believe the C-terminal module played a role in signaling changes in gene expression in plants, but Chen disagreed. (eurekalert.org)
  • Scientists have uncovered the genes that enable plants to interact with beneficial soil dwelling fungi and to access phosphate delivered to the roots by these fungi - a first step, they say, toward enhancing the beneficial relationship for crop plants , while reducing fertilizer use and phosphate pollution in the environment. (scienceblog.com)
  • She said considerable work lies ahead before scientists learn to exploit the genetic discovery and harness the potential of this naturally occurring, symbiotic fungus-plant association, but that the payoff to growers and to the environment could be substantial: more efficient plant growth with less phosphorus-based fertilizer, and a subsequent reduction of phosphate runoff in surface water. (scienceblog.com)
  • By injecting a unique radioactive substance into the plant, scientists are able to analyze the cellular development of plants using infrared cameras. (gardenguides.com)
  • Plant scientists have a new tool in their toolkit. (eurekalert.org)
  • The automated confocal micro-extensometer (ACME)--developed by a team of researchers in Europe and the US--allows scientists to measure spatial variation in the mechanical properties of plant cells with unprecedented accuracy. (eurekalert.org)
  • The team has made all the information needed to create this system freely available, so that plant scientists in other labs can use ACME in their own research. (eurekalert.org)
  • Researchers
  • For the wheat plants, researchers observed the seeds germinating in one to two days instead of four or five. (redorbit.com)
  • However, the researchers found the hydrogen sulfide treatments resulted in smaller and larger numbers of cells, meaning these plants contain more biomass for fuel production. (redorbit.com)
  • A team of researchers at Martin Luther University Halle-Wittenberg (MLU) joined forces with the Leibniz Institute for Plant Biochemistry (IPB) to discover which molecular processes are involved in plant growth. (eurekalert.org)
  • Since plants use chemicals to stimulate different cells to divide, researchers simply have to recreate those chemicals. (gardenguides.com)
  • Researchers who wish to study plant phenotypes under precise environmental control can grow their plants in greenhouses or climate-controlled chambers. (purdue.edu)
  • These allow for uniform growth conditions that are difficult to replicate in the field so researchers have precise control over experimental variables. (purdue.edu)
  • Researchers at the University of California, Riverside have identified the portion of a plant photoreceptor responsible for light-dependent changes in gene expression, as illustrated in a paper published today in Nature Communications . (eurekalert.org)
  • Plant cell wall growth is typically described as a simple process, but researchers using a microscope that can resolve images on the nanoscale level have observed something more complex. (phys.org)
  • A 2009 study published in the "Asian Journal of Crop Science" by researchers A Al-Busaidi, S. Al-Rawahy and M. Ahmed indicates that saline irrigation resulted in lower plant length and weight, as well as smaller root structures, in tomato plants compared to those watered with non-saline water sources. (gardenguides.com)
  • A team of researchers led by Cris Kuhlemeier of the Institute of Plant Sciences at the University of Bern in Switzerland created a system that does just that. (eurekalert.org)
  • hormone
  • Their latest work now reveals that a plant membrane receptor requires a helper protein to sense a growth-promoting steroid hormone and to transduce this signal across the cell membrane. (redorbit.com)
  • The plant steroid receptor BRI1, which can sense a small steroid hormone promoting plant growth, belongs to the family of leucine-rich repeat (LRR) receptor kinases, which are responsible for most membrane signalling events in plants. (redorbit.com)
  • We have now discovered the role of this special hormone in the signalling pathway and have found a mechanism through which the growth process is positively regulated at higher temperatures," Quint explains. (eurekalert.org)
  • The classic definition of a plant hormone according to Went and Thimann (1937) states that it is a substance which is produced in any part of the organism and is transferred to another part to influence a specific physiological process. (springer.com)
  • Ludwig-Müller J, Lüthen H (2015) From facts and false routes: how plant hormone research developed. (springer.com)
  • Using ACME, the authors demonstrated that cells in the stems of seedlings exhibit a gradient of mechanical properties in the presence of the plant growth hormone gibberellic acid. (eurekalert.org)
  • chamber
  • Presently, new modifications are being made to double the growing density by dividing the existing growth chamber to two separate chambers so that two plants can be grown. (sae.org)
  • Create a simple version of the lunar plant growth chamber that can be reproduced in large numbers for use in K-12 education. (nasa.gov)
  • To develop a very simple sealed growth chamber that can support germination over a 5-10 day period in a spacecraft on the Moon. (nasa.gov)
  • species
  • They also sequenced the genes from four selected bacterial species and screened them for the production of plant-growth promoting enzymes, hormones, and other metabolic factors that might help explain how the bacteria improve plant growth. (webwire.com)
  • The plant material was then ground up so the bacterial species could be isolated. (webwire.com)
  • Some species had beneficial effects on plant growth, others had no effect, and some resulted in decreased growth. (webwire.com)
  • Though no other endophyte species showed such dramatic effects, some were effective in promoting growth in particular cultivars of poplar. (webwire.com)
  • The research was done in Arabidopsis thaliana, a small flowering plant that is widely used by biologists as a model species because it is easy to grow and study. (eurekalert.org)
  • PGBA, a plant growth facility developed for commercial space biotechnology research, successfully grew a total of 50 plants (6 species) during 10 days aboard the Space Shuttle Endeavor (STS-77), and has reflown aboard the Space Shuttle Columbia (STS-83 for 4 days and STS-94 for 16 days) with 55 plants and 10 species. (sae.org)
  • grown
  • A better approach would be to use non-food plants, ideally ones grown on non-agricultural land, for biofuel production. (webwire.com)
  • Trees and other plants in these enclosures have indeed grown faster with more carbon dioxide. (nytimes.com)
  • Gardeners
  • The effect of sea water on plant growth is an important inquiry for gardeners and landscapers near coastal areas, as well as for market and commercial farmers in regions of the world where irrigation water is scarce. (gardenguides.com)
  • biologists
  • Agriculture is a major source of phosphate pollution, so anything we biologists can do to improve phosphate uptake in crop plants will make agriculture more sustainable and less harmful to the environment," she predicted. (scienceblog.com)
  • Development
  • Proximodistal development is a pattern of growth observed in very young children where parts of the body closest to the trunk develop motor skills before p. (reference.com)
  • Takashima, Y., "Development of Plant Growth Guide and Light Distribution System," SAE Technical Paper 2003-01-2458, 2003, https://doi.org/10.4271/2003-01-2458 . (sae.org)
  • In order to achieve this, plants synthesize several biomolecules of varying chemical nature which facilitate cell-to-cell communication and affect varied aspects of growth and development. (springer.com)
  • Phytochromes control plant growth and development by changing the amount or stability of another group of proteins called transcription factors whose job is to turn genes on and off. (eurekalert.org)
  • Now that we understand how light is causing changes in growth and development, we can engineer plants to be blind to their neighbors, so we can plant them more densely without seeing a decrease in yield," Chen said. (eurekalert.org)
  • Conventional bulbs sometimes provide the plant with too little or too much light, resulting in unhealthy plant development. (gardenguides.com)
  • biology
  • In the current edition of the internationally renowned journal Current Biology , the group presents its latest findings on the mechanism controlling growth at high temperatures. (eurekalert.org)
  • Hormones designed in the lab through a technique combining chemistry, biology, and engineering might be used to manipulate plant growth in numerous ways, according to a New Phytologist study. (brightsurf.com)
  • However, the current model in plants is that the photoreceptor uses the N-terminal module both to sense and respond to environmental light cues," said Chen, who is also a member of UCR's Institute for Integrated Genome Biology (IIGB). (eurekalert.org)
  • grow taller
  • Black lights are not useful unless you are trying to get a plant to grow taller and less dense than it would grow with the right amount of light. (gardenguides.com)
  • When temperatures rise, plants grow taller in order to cool themselves off. (eurekalert.org)
  • temperature
  • How the different temperature affects the growth of a plant? (answers.com)
  • Water temperature affects plants in a major way. (answers.com)
  • Plants react much more sensitively to fluctuations in temperature than animals. (eurekalert.org)
  • While the correlation between temperature and plant growth at the macrolevel is relatively well understood, there are still many open questions at the molecular level. (eurekalert.org)
  • We are just starting to understand how plants detect the changes in temperature and translate this into specific reactions," Quint continues. (eurekalert.org)
  • Earlier studies have shown that the protein PIF4 directly controls plant growth and that this protein is also dependent on temperature. (eurekalert.org)
  • There were large gaps in our knowledge about the exact signalling pathway of temperature-controlled growth," says Quint. (eurekalert.org)
  • fluorescent
  • If you still feel the need to use black lights to try and grow plants, it will be necessary to supplement the black light with more intense blue tones that you can find in commercial grow lights, sunlight or fluorescent light. (gardenguides.com)
  • Plants will not bloom under ordinary fluorescent light that does not contain the proper levels of infrared radiation. (gardenguides.com)
  • react
  • Plants react to water loss by closing the stomata in their leaves, which reduces water loss through transpiration. (gardenguides.com)
  • promote
  • Such detailed insights may promote the rational design of synthetic plant steroid hormones and receptor antagonist with applications in basic research, and perhaps someday in the field. (redorbit.com)
  • survive
  • Black light emits no red light and too little blue light for plants to survive. (gardenguides.com)
  • It turns out that the best place to find an answer is where no plants can survive: the icy wastes of Antarctica. (nytimes.com)
  • hormones
  • Which of the following techniques allows fast and sensitive analysis of plant hormones in living tissue? (springer.com)
  • seemingly
  • The interesting feature of SERK1 is that it can help activate several seemingly unrelated plant receptor kinases, which bind vastly different ligands and trigger different responses. (redorbit.com)
  • Stems
  • Plants that do not get enough light will have yellow leaves, spindly stems and dried-up lower leaves. (gardenguides.com)
  • Before the plant dies, it will show signs that it needs more blue light--such as brown tips on the leaves, brown edges along the leaves or stems that appear stretched out. (gardenguides.com)
  • Infrared waves can increase the speed of growth for plant stems. (gardenguides.com)
  • Plants that grow in light that is too red for too long will develop awkward stems that are both overly long and thin. (gardenguides.com)
  • biomass
  • Instable plants bend faster in the rain and generally produce less biomass. (eurekalert.org)
  • 638 and Burkholderia cepacia BU72 repeatedly showed the highest increase in biomass production up to 50 percent as compared with non-inoculated control plants. (webwire.com)
  • signalling pathway
  • This then causes interaction of the cytoplasmic kinases domains in the cell interior, which in turn activates a well characterized signalling pathway triggering the growth response. (redorbit.com)
  • signaling molecules
  • Since then it has become evident that these messengers or signaling molecules translate environmental signals into growth and developmental responses and regulate metabolism by their redistribution. (springer.com)
  • saline
  • One particular cultivar, designated by the commercial moniker Number 38, was found to be particularly saline tolerant, with only minimal growth effects when irrigated with salt water. (gardenguides.com)
  • greenhouse
  • The facilities consist of 57 individual greenhouse rooms totaling 53,960 square feet, a head house and rooms dedicated to growth chambers. (purdue.edu)
  • Growth areas are linked to a series of automated imaging stations that will also be accessible to image plants from any campus greenhouse or growth space. (purdue.edu)
  • study
  • However, according to a new study in the open access journal PLOS ONE , very low doses of the pungent compound spur plant growth. (redorbit.com)
  • We are constructing a small technology demonstration unit to study germination of plants in lunar gravity and radiation on the Moon. (nasa.gov)
  • Study germination of plants in lunar gravity and radiation. (nasa.gov)
  • A new study suggests the world's plants capture an extra 28 billion tons of carbon each year. (nytimes.com)
  • Effects
  • The surface of the Moon however is the only location in which the effects of both lunar gravity and lunar radiation on plant growth can be studied. (nasa.gov)
  • Studies of wood cores provided evidence of acid rain effects on plants & trees,dating as far back as the 1950s.The findings did not come as a surprise since large amounts of acid depositions were attributed to machine inventions fueled via coal burning processes during the Age of Industrialization. (brighthub.com)
  • In learning about acid rain effects on plants and trees, information from related research studies date as far back as 1963. (brighthub.com)
  • The results have been devastating, and it may take several decades more before man can undo all the negative effects of acid rain on plant growth and on other environmental elements. (brighthub.com)
  • In the U.S., the harsh effects of acid rain on plant growth, became evident in the highly elevated forests of Great Smoky Mountain National Parks and Shenandoah, found in the Appalachian Mountains starting from Maine to Georgia. (brighthub.com)
  • movement
  • A nonliving thing is no longer living or has never had the traits of life including respiration, reproduction, movement, metabolism, sensitivity and growth. (reference.com)
  • The growth and movement of the plants on the Moon would be compared to similar data from Earth controls in identical growth units. (nasa.gov)
  • analyze
  • If one wants to better understand how plants grow, one must analyze the chemistry of life in its molecular detail. (redorbit.com)