News tagged with plant tissues

Lighting up plant cells to engineer biology

Cambridge researchers have developed a new technique for measuring and mapping gene and cell activity through fluorescence in living plant tissue.

Biology / Cell & Microbiology

created Apr 05, 2012 | popularity 4 / 5 (3) | comments 0 | with audio podcast

Scientists present first model of how buds grow into leaves

Leaves come in all shapes and sizes. Scientists have discovered simple rules that control leaf shape during growth. Using this 'recipe', they have developed the first computer model able to accurately emulate ...

Biology / Plants & Animals

created Mar 01, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Bacterial plasmids -- the freeloading and the heavy-lifters -- balance the high price of disease

Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens -- Ind ...

Biology / Cell & Microbiology

created Feb 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

New tool puts plant hormone under surveillance

(PhysOrg.com) -- Charles Darwin was the first to speculate that plants contain hormones. His pioneering research led to the identification of the very first and key plant growth hormone — auxin — ...

Biology / Biotechnology

created Jan 16, 2012 | popularity not rated yet | comments 0 | with audio podcast

Growing without cell division

An international team of scientists, including biologists from the University of North Carolina at Chapel Hill, may have pinpointed for the first time the mechanism responsible for cell polyploidy, a state ...

Biology / Cell & Microbiology

created Nov 01, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

E. coli, salmonella may lurk in unwashable places in produce

(PhysOrg.com) -- Sanitizing the outside of produce may not be enough to remove harmful food pathogens, according to a Purdue University study that demonstrated that Salmonella and E. coli can live inside plant ...

Biology / Cell & Microbiology

created Aug 15, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Salivating over wheat plants may net Hessian flies big meal or death

The interaction between a Hessian fly's saliva and the wheat plant it is attacking may be the key to whether the pest eats like a king or dies like a starving pauper, according to a study done at Purdue University.

Biology / Plants & Animals

created Jun 14, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers find a key to plant disease resistance

University of Kentucky plant pathologists recently discovered a metabolite that plays a critical role early on in the ability of plants, animals, humans and one-celled microorganisms to fend off a wide range of pathogens ...

Biology / Biotechnology

created Mar 28, 2011 | popularity not rated yet | comments 0 | with audio podcast

Gene find could lead to healthier food, better biofuel production

(PhysOrg.com) -- Purdue University scientists have found the last undiscovered gene responsible for the production of the amino acid phenylalanine, a discovery that could lead to processes to control the amino acid to boost ...

Biology / Biotechnology

created Nov 22, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

GM safety debate may have new twist

By studying plant-fungi-bacteria interactions at plant wound sites, the team have identified a natural process stimulated by a hormone released by the wounded plant that would allow synthetic genes to move ...

Biology / Biotechnology

created Oct 28, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Sunflower DNA map could produce plants for fuel

(AP) -- A $10.5 million research project aimed at mapping the DNA sequence of sunflowers could one day yield a towering new variety for both food and fuel.

Biology / Biotechnology

created Jan 22, 2010 | popularity 3 / 5 (5) | comments 6

Popping the Cork on Biofuel Agriculture

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have identified a novel enzyme responsible for the formation of suberin -- the woody, waxy, cell-wall substance ...

Biology / Cell & Microbiology

created Oct 19, 2009 | popularity 2.8 / 5 (4) | comments 3

Scientists map potato genome, hope to improve crop yield

It's been cultivated for at least 7,000 years and spread from South America to grow on every continent except Antarctica. Now the humble potato has had its genome sequenced.

Biology / Biotechnology

created Sep 24, 2009 | popularity 3 / 5 (2) | comments 0

Biologists Unlock Secrets of Plants' Growing Tips

(PhysOrg.com) -- Biologist Magdalena Bezanilla and colleagues at the University of Massachusetts Amherst have used a technique they call multi-gene silencing to, for the first time, simultaneously silence nine genes in a ...

Biology / Plants & Animals

created Aug 25, 2009 | popularity 5 / 5 (6) | comments 1

White tea could keep you healthy and looking young

Next time you’re making a cuppa, new research shows it might be wise to opt for a white tea if you want to reduce your risk of cancer, rheumatoid arthritis or even just age-associated wrinkles. Researchers ...

Medicine & Health / Health

created Aug 11, 2009 | popularity 4.7 / 5 (29) | comments 7