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Roots in Biological News

Newly discovered snow roots are 'evolutionary phenomenon'

... of ecology at VU University in Amsterdam. "Snow roots are thus far unknown and a spectacular ... During the spring and perhaps also winter, these roots extend into the surrounding snow and during the ... C. conorhiza also possesses normal roots which anchor the plant to the ground and take up ...

Getting to the root of science in a nutty way

... in his field. Lombardini is watching roots grow in his experimental orchards, and it is sort ... as we know, this is the first research to look at roots in the real setting." To do that, Lombardini ... view. So we will be able to watch as these roots grow and see how they respond to various ...

Danger lurks underground for oak seedlings

... small rodents that live underground, prefer oak roots to those of other commonly growing seedlings. The ... Swihart offered pine voles a selection of tree roots to eat in the laboratory, and they overwhelmingly ... more than twice as much damage to white oak roots than northern red oak and black cherry, and more ...

Long-term study of orchard ground cover management systems

... tree in three replicates for each GMS treatment. roots were observed by camera at two or three weekly ... Pre-emergence treatment trees had more total roots and new roots than all other treatments, and trees in mowed sod ...

Scientists identify bacteria that increase plant growth

... under ultraviolet light, and inoculated into the roots of fresh poplar cuttings that had been developing new roots in water. The presence of the endophytic bacteria ... for their ability to increase the production of roots in the poplar cuttings by being introduced during ...

UV-B light sensing mechanism discovered in plant roots

... Scientists have discovered that plant roots can sense UV-B light and have identified a ... young seedlings develop normally even when their roots are exposed to UV-B light. It's unusual that ... at the young seedling stage when a plant's roots are resting on the soil surface. Later in a ...

Urban trees enhance water infiltration

... experiments to establish that urban tree roots have the potential to penetrate compacted ... being used to store stormwater. In one study, roots of both black oak and red maple trees penetrated ... a woven geotextile in 102-liter containers. The roots of ash trees planted in the structural soil ...

Origin of root offshoots revealed

... root system, plants must form offshoots of their roots at the right moment. The VIB researchers describe ... mechanism, we can begin to stimulate plant roots to form more, or fewer, offshoots. This can lead ... things. And in turn, the importance of a plant's roots is unquestionable: they provide the plant with ...

When under attack, plants can signal microbial friends for help

... by a pathogen, it can send out an S.O.S. to the roots for help, and the roots will respond by secreting an acid that brings ... of disease. However, the infected plants whose roots had been inoculated with the beneficial microbe ...

Getting to the root of the matter

... -- Like most things that exist underground, plant roots are out-of-sight and easily forgotten, but while ... aboveground plant parts are more familiar, plant roots are equally deserving of our appreciation. ... lies a root system that makes it all possible. roots provide anchor and support for plants, extract ...

Tel Aviv University researchers root out new and efficient crop plants

... More irrigated water evaporates than reaches the roots of crops, amounting to an enormous waste of water ... hydrotropism, a plant's ability to send its roots towards water. Scientists in TAU's lab are ... it possible to investigate how the modified plant roots orient themselves towards water. Until now, ...

The emerging story of plant roots

... visible than shoots, leaves and flowers, plant roots are critical to our lives. They provide the crops ... a firm anchor and a place to store food. roots are complex branching organs and show a wide ... available resources. The way that new lateral roots are formed and grow is key to this process. ...

Secrets of cooperation between trees and fungi revealed

... of the ages. Fungi like to grow between the roots of trees and the arrangement is beneficial to ... such as phosphates and nitrogen and protects the roots against parasites in the soil. In return they are ... with all the players in the surroundings of the roots of the host tree during growth. Fungi: ...

Mechanisms of plant-fungi symbiosis characterized by DOE Joint Genome Institute

... the world rely on the partnership between plant roots and soil fungi and the environment they create, ... hyphae, the tips of the fungus that colonize the roots of the host plant. "We believe that the ... and water captured in soil pores inaccessible to roots of the host plant. "The Laccaria genome ...

'Smart' flower bulbs pull themselves to deeper ground

... the physiology of "contractile roots", or those roots that are responsible for bulbs' movement. ... "Nelly White" variety of Easter lily. Contractile roots were found to respond to light signals perceived ... types of blue light forced new contractile roots to be formed on the bulbs and helped initiate the ...

Could 'hairy roots' become biofactories?

... said study co-author Ka-Yiu San. "Hairy roots have a number of advantages over cell cultures as ... platform for these compounds." Hairy roots are a type of tumor that forms on plants infected ... the host develops a system of fuzzy-looking roots near the site of the infection. These so-called ...

Genetic ancestral testing cannot deliver on its promise, study warns

... redefined in a way that obscures its historical roots and disconnects from its cultural and ... American Lives," that traced the ancestral roots of eight prominent African Americans, including ... his DNA is traced to Europe. But the search for roots can be a serious matter, as Duster pointed out in ...

Hungry microbes share out the carbon in the roots of plants

... discovered that some of it goes straight to the roots to feed a surprising variety of microbes. A ... Young said: Our research identifies microbes in roots that create a short cut in the carbon cycle. This ... the usual kind. Within hours, microbes in the roots were feeding on sugars laden with C-13 and using ...

UD plant biologists uncover top wetland plant's hidden weapon

... to have originated in Eurasia, exudes from its roots an acid so toxic that the substance literally disintegrates the structural protein in the roots of neighboring plants, thus toppling the ... Eurasia, such as garlic mustard, Bais said. The roots exude a toxin that kills native plants. In ...

American Chemical Society's Weekly PressPac -- Oct. 3, 2007

... FOR IMMEDIATE RELEASE Hyped-up hopes for hairy roots as biofactories Biotechnology Progress ... the host plant develops a system of fuzzy roots near the site of the infection. These so-called ... wanted to harness the production prowess of hairy roots for industry, but first needed to determine the ...

Hormone clue to root growth

... Plant roots provide the crops we eat with water, nutrients and anchorage. Understanding how roots grow and how hormones control that growth is crucial to improving crop ...

Researchers shed light on trading behavior in animals -- and humans

... The results of this research help scientists to better understand the roots of human economic behavior, Beran explained. "We need to continue these ... in context with nonhuman behavior, and to understand the evolutionary roots of human economic decision making," he said. ...

Limping rat provides sciatica insights

... It is often caused by compression, or pinching, of any of the five nerve roots that combine to make up the sciatic nerve. These roots are the parts of the nerve that pass through openings in the spine to the ...

Historical increase in corn yield -- it's in the roots

... researchers have investigated the importance of the effects of leaves and roots on this dramatic increase in yield in the U.S. Corn Belt, and have found ... The University of Queensland (UQ), conducted this study on the leaves and roots of corn as part of an Australian Research Council linkage project with ...

Does hotter mean healthier?

... blight. For example, while the disease was slowest to develop on the roots of one variety of jalapeo, it was quickest to develop on the fruit of the same plant. Conversely, the disease was faster to develop on roots and slower on fruit of all other cultivars. As the root of the plant ...

UC Riverside biochemists devise method for bypassing aluminum toxicity effects in plants

... to greatly enhance aluminum tolerance, resulting in plants whose roots can grow normally in soils that contain toxic levels of aluminum. Study ... mutations throughout the genome of Arabidopsis and screening for those roots that can grow in the presence of high levels of aluminum. A ...

International experts collect alpine fungi in Beartooth Mountains of Montana

... said. "Most plants cannot survive in these habitats without fungi on their roots or fungi to recycle nutrients into the soil. The fungi act as Mother ... said. Europeans stabilize their ski slopes by adding alpine fungi to the roots of plants. Cripps received a National Science Foundation grant in 2000 ...

US Air Force technology helps scientists understand plant root function

... is currently helping soil scientists understand the function of plant roots and their uptake of water and nutrients. Scientists at the University ... to measure spatial and temporal distribution of water in soils and near roots at near 0.5 mm spatial resolution or higher. The study, published in ...

July 2008 GEOLOGY and GSA Today media highlights

... part of Earth. Chemical fingerprinting of minerals in these deep roots has revealed dramatic changes in the composition and structure of the ... of magmas from deeper in the Earth over this short period. Continental roots like the one in southern Africa can remain stable for billions of years, ...

Researchers explain nitrogen paradox in forests

... types of bacteria. Some of these bacteria live symbiotically in the roots of certain plants, such as legumes, giving these plants a "built-in" ... soil by nitrogen-fixers helps mobilize phosphorus, making it easier for roots to absorb. That stimulates the growth of these plant species and puts them ...

Specially-designed soils could help combat climate change

... (CO 2 ) during photosynthesis and then pump surplus carbon through their roots into the earth around them. In most soils, much of this carbon can escape ... or man-made), the team believe the carbon that oozes out of a plants roots may react with the calcium to form the harmless mineral calcium carbonate. ...

How roots find a route

... Scientists at the John Innes Centre in Norwich have discovered how roots find their way past obstacles to grow through soil. The discovery, ... out as they burrow. The key is in the fuzzy coat of hairs on the roots of plants says Professor Liam Dolan. We have identified a growth control ...

Root or shoot? EAR calls the shots

... development altogether. Dip plant cuttings into hormone rooting powder and roots start to sprout where none have been. The active ingredient, a synthetic ... plant, BODENLOS is only active in the shoot, ensuring that no accidental roots sprout above ground. The coupling of TOPLESS to BODENLOS provides an ...

New research to decode the genetic secrets of prolific potato pest

... will help the potato plant to withstand attack. The worm invades the roots of the potato plant and injects a substance causing the plant to create a ... years, with hatching triggered by sensing chemicals released by potato roots nearby. Because of this, once a field is infected, its almost impossible ...

Evil genes made me do it

... Pinker praises as a fascinating scientific and personal exploration of the roots of evil, filled with human insight and telling detail. "Evil Genes" is ... most problematic figures of our erachallenges our assumptions about the roots of terrorism, genocide, crime, corruptionand even the sinister sides of ...

Yam bean a nearly forgotten crop

... production under drought stressed conditions. As expected, the storage roots did show high protein and starch contents. They have as much as three to ... protein than potatoes or yams. Most importantly, it was found that storage roots can be processed into yam bean gari. This is similar to the current staple ...

Yam bean a nearly forgotten crop

... production under drought stressed conditions. As expected, the storage roots did show high protein and starch contents. They have as much as three to ... protein than potatoes or yams. Most importantly, it was found that storage roots can be processed into yam bean gari. This is similar to the current staple ...

Sustainable agriculture at the ESA Annual Meeting

... and more sustainable ecosystems. In the perennial fields, the plants' total root mass was more than seven times that of the annuals, and the roots infiltrated about a foot deeper into the ground. The perennial fields also had higher soil microbe biodiversity and higher levels of dissolved carbon ...

Restoring a natural root signal helps to fight a major corn pest

... contributed to a key discovery four years ago by Sergio Rasmann in the group of Ted Turlings at the University of Neuchtel. They found that maize roots attacked by rootworm attract nematodes by releasing (E)-beta-caryophyllene (EβC). One striking finding was that, after decades of breeding, most ...

A genetic basis for schizophrenia

... Chicago, Illinois, July 21, 2009 Schizophrenia is a severely debilitating psychiatric disease that is thought to have its roots in the development of the nervous system; however, major breakthroughs linking its genetics to diagnosis, prognosis and treatment are still ...
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