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Plant in Biological News

Animal and plant communication at the ESA Annual Meeting

Animals and plants communicate with one another in a variety of ways: behavior, body patterns, and even chemistry. In a series of talks at the Ecological Society of America's annual meeting, to be held August 3-7 in Albuquerque, New Mexico, ecologists explore the myriad adaptations for exchanging ...

K-State plant pathologists develop online teaching modules used globally

Managing plant diseases that threaten the food supply and economy is a challenge for agriculturalists around the world. Sparsely stocked libraries, scarce and expensive software, and even a lack of materials in students' native languages are barriers to training plant pathologists in resource-p...

Sex involved in plant defense

Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to whether they're getting any plant love. In research published in Proceedings of the National Academy of Sciences , scientists from North Carolina State Universit...

Shaw to receive prestigious honor for plant pathology research

The 2009 Alexopoulos Prize will be given to Dr. Brian Shaw, Texas A&M University assistant professor of plant pathology and microbiology July 29 in Snowbird, Utah. The honor based on quality, originality and quantity of published work is also known as the Outstanding Early-Career Mycologist ...

Waste water treatment plant mud used as 'green' fuel

Catalan scientists have shown that using mud from waste water treatment plants as a partial alternative fuel can enable cement factories to reduce their CO 2 emissions and comply with the Kyoto Protocol, as well as posing no risk to human health and being profitable. These are the results of an e...

Midget plant gets makeover

Palo Alto, CAA tiny plant with a long name ( Arabidopsis thaliana ) helps researchers from over 120 countries learn how to design new crops to help meet increasing demands for food, biofuels, industrial materials, and new medicines. The genes, proteins, and other traits of this fast-growing, tiny ...

Protein that triggers plant cell division revealed by researchers

From the valves in a human heart to the quills on a porcupine to the petals on a summer lily, the living world is as varied as it is vast. For this to be possible, the cells that make up these living things must be just as varied. Parent cells must be able to divide in ways that create daughter ce...

Is this the beginning of the end of plant breeding?

No human is a clone of their parents but the same cannot be said for other living things. While your DNA is a combination of half your mother and half your father, other species do things differently. The advantage of clonal reproduction is that it produces an individual exactly like an existing o...

NASA satellite detects red glow to map global ocean plant health

Researchers have conducted the first global analysis of the health and productivity of ocean plants, as revealed by a unique signal detected by a NASA satellite. Ocean scientists can now remotely measure the amount of fluorescent red light emitted by ocean phytoplankton and assess how efficiently ...

ISU researcher identifies genetic pathway responsible for much of plant growth

AMES, Iowa -- Researchers at Iowa State University have discovered a previously unknown pathway in plant cells that regulates plant growth. Yanhai Yin, an assistant professor in genetics, development and cell biology, examined signaling mechanisms of a plant hormone called brassinosteroids. The ...

Fertilization intensifies competition for light and endangers plant diversity

When grasslands are fertilized their productivity is increased but their plant diversity is diminished. In the last 50 years levels of plant-available nitrogen and phosphorous have doubled worldwide. This additional supply of plant nutrients is predicted to be one of the three most important cause...

Center to investigate plant cells for better biomass fuels

Cutting edge approaches and methodology employed by plant and molecular biologists, chemists, physicists, material scientists, computational modelers and engineers will be applied to plant cells in the newly funded Center for Lignocellulose Structure and Formation, a Department of Energy, Energy ...

Researchers discover primer to plant defense system

OAK RIDGE, Tenn., April 3, 2009 -- By identifying a novel compound that primes a plant's immune system, researchers at Oak Ridge National Laboratory and the University of Chicago may be on a path to developing disease-resistant plants. In a paper published in Science , a team that includes Tim...

Missing piece of plant clock found

Biologists at the University of California, San Diego have identified a key protein that links the morning and evening components of the daily biological clock of plants. Their discovery, detailed in the March 13 issue of Science , solves a longstanding puzzle about the underlying biochemical ...

UCR scientists identify stem-cell genes that help form plant organs

RIVERSIDE, Calif. Plant stem-cells are master cells located at the tip of the stem and are part of a structure called the shoot apical meristem (SAM). Here, the stem cellsall clumped togetherdivide throughout the life of the plant to give rise to other cells, resulting in the formation of above-g...

Portable kit may 1 day detect plant disease before disastrous outbreak

COLLEGE STATION This science may literally be outside the box: A briefcase-sized kit is carried to a field where thousands of tons of food are growing. The search is for microorganisms that could infect and kill the plants, wreaking havoc on the food supply and market. If the equipment in the ...

CSHL researchers identify gene that helps plant cells keep communication channels open

Plant cells communicate via microscopic channels called plasmodesmata that are embedded in their cell walls. For the stem cells in the plants' growing tips, called "meristems," the plasmodesmata are lifelines, allowing nutrients and genetic instructions for growth to flow in. Developmental and ...

Identifying mega-targets for high-yield plant breeding

Madison, WI , February 2, 2009 -- Promoting genetic diversity in crops is traditional practice for agriculture professionals, and with today's technology, scientists are able to develop breeding programs with great care for the security of crops. This is particularly important due to the numerous ...

High CO2 boosts plant respiration, potentially affecting climate and crops

The leaves of soybeans grown at the elevated carbon dioxide (CO 2 ) levels predicted for the year 2050 respire more than those grown under current atmospheric conditions, researchers report, a finding that will help fine-tune climate models and could point to increased crop yields as CO 2 levels ...

Cold Spring Harbor Protocols features stem cell differentiation, plant RNAi methods

COLD SPRING HARBOR, N.Y. (Mon., Feb. 2, 2009) -- By using OP9-DL1 cells as a support system, researchers can study the differentiation of embryonic stem cells into mature components of the immune system. This month's issue of Cold Spring Harbor Protocols ( www.cshprotocols.org/TOCs/toc2_09.d...

Genome of a heat and drought resistant cereal plant analyzed

2009-01-30. The global climate is changing, and this change is already impacting food supply and security. People living in regions already affected by aridity need plants that can thrive / grow under dry conditions. One example is sorghum: Also known as milo, durra, or broomcorn, sorghum is a ...

Billion-year revision of plant evolution timeline may stem from discovery of lignin in seaweed

Land plants' ability to sprout upward through the air, unsupported except by their own woody tissues, has long been considered one of the characteristics separating them from aquatic plants, which rely on water to support them. Now lignin, one of the chemical underpinnings vital to the self-su...

Scientists identify bacteria that increase plant growth

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 la...

Springer expands its portfolio in plant sciences with Phytoparasitica

Phytoparasitica is an international journal that publishes original research contributions on the biological, chemical and molecular aspects of entomology, plant pathology, virology, nematology and weed sciences, including insecticides, fungicides, herbicides and other biocides. Emphasis is on ...

Grazing animals help spread plant disease

CORVALLIS, Ore. Researchers have discovered that grazing animals such as deer and rabbits are actually helping to spread plant disease quadrupling its prevalence in some cases and encouraging an invasion of annual grasses that threaten more than 20 million acres of native grasslands in Californ...

Organic plant waste proves effective weed control for citrus trees

GIZA, EGYPTInterest in organic crop production is increasing around the world. Organics are healthy for consumers while adding environmental benefits and decreasing the amount of synthetic herbicides in foods, soil, and water. While organics gain popularity with consumers, organic farmers are face...

Honeybees as plant 'bodyguards'

Honeybees are important to plants for reasons that go beyond pollination, according to a new study published in the December 23rd issue of Current Biology , a Cell Press publication. The insects' buzz also defends plants against the caterpillars that would otherwise munch on them undisturbed. ...

UV-B light sensing mechanism discovered in plant roots

Scientists have discovered that plant roots can sense UV-B light and have identified a specific gene that is a vital player in UV-B signaling, the communication between cells. A study published Dec. 8 in the Early Edition of PNAS reveals that the gene RUS1 measures UV-B light levels and passe...

Effects of climate change vary greatly across plant families

CAMBRIDGE, Mass. -- Drawing on records dating back to the journals of Henry David Thoreau, scientists at Harvard University have found that different plant families near Walden Pond have borne the effects of climate change in strikingly different ways. Some of the plant families hit hardest by glo...

Female plant 'communicates' rejection or acceptance of male

COLUMBIA, Mo. Without eyes or ears, plants must rely on the interaction of molecules to determine appropriate mating partners and avoid inbreeding. In a new study, University of Missouri researchers have identified pollen proteins that may contribute to the signaling processes that determine if a...

Research about plant viruses could lead to new ways to improve crop yields

An interdisciplinary group of scientists has obtained the first detailed information about the structure of the most destructive group of plant viruses known: flexible filamentous viruses. The cost of worldwide crop losses due to plant diseases is estimated at $60 billion annually. Alth...

Structures of important plant viruses determined

UPTON, NY - Flexible filamentous viruses make up a large fraction of known plant viruses and are responsible for more than half the viral damage to crop plants throughout the world. New details of their structures, which were poorly understood, have been revealed by scientists using a variety of s...

Formula discovered for longer plant life

This release is available in German . Plants that grow more slowly stay fresh longer. In their study now published in PLoS Biology, scientists at the Max Planck Institute for Developmental Biology in Tbingen have shown that certain small sections of genes, so-called microRNAs, coordin...

New process derives 'green gasoline' from plant sugars

MADISON Alternative energy doesn't always mean solar or wind power. In fact, the alternative fuels developed by University of Wisconsin-Madison chemical and biological engineering professor James Dumesic look a lot like the gasoline and diesel fuel used in vehicles today. That's because the ne...

Biologists identify genes controlling rhythmic plant growth

A team of biologists from UC San Diego, the Salk Institute for Biological Studies and Oregon State University has identified the genes that enable plants to undergo bursts of rhythmic growth at night and allow them to compete when their leaves are shaded by other plants. The researchers report ...

'Biological clock' genes control plant growth

CORVALLIS, Ore. More than 125 years ago Charles Darwin first reported that most plants grow in a spurt during the night, not the day and this week, scientists are reporting the discovery of the genes that control this phenomenon. These rhythmic growth spurts, and the ability of plants to move...

US Air Force technology helps scientists understand plant root function

MADISON, WI SEPTEMBER 8, 2008-- The McClellan Nuclear Radiation Center (MNRC) in Sacramento, CA was developed by the U.S. Air Force to detect corrosion and defects in aircraft structure using an imaging technique called neutron radiography. This technique is currently helping soil scientists under...

MSU technology that converts plant fibers to biofuel commercialized

EAST LANSING, Mich. --- A Kansas company has licensed Michigan State University technology that uses enzymes from a microbe in a cow's stomach to create plants that can be more efficiently turned into biofuel. Enzymes that allow a cow to digest grasses and other plant fibers can be used to turn...

MSU's discovery of plant protein holds promise for biofuel production

EAST LANSING, Mich. Scientists at Michigan State University have identified a new protein necessary for chloroplast development. The discovery could ultimately lead to plant varieties tailored specifically for biofuel production. Chloroplasts, which are specialized compartments in plant cells,...

Climate change threatens 1 in 5 plant species

This release is also available in German . Halle/Saale, Potsdam, August 2008 - One in five of Germany's plant species could lose parts of its current range, a study by scientists at the Helmholtz Centre for Environmental Research (UFZ), the Potsdam Institute for Climate Impact Research...
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