News tagged with plant tissues

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

Wasp found in upstate New York shows up in Southern California

In August 2010, an entomologist at the University of California, Riverside discovered a tiny fairyfly wasp in upstate New York that had never been seen in the United States until then. Nearly exactly a year ...

Biology / Plants & Animals

created Jan 24, 2012 | popularity 4.5 / 5 (4) | comments 0

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

Fruits and vegetables submerged by flood water are not safe to eat

Now that communities across the state have dried out and are repairing damages from Tropical Storm Lee, a gardening expert in Penn State's College of Agricultural Sciences reminds backyard gardeners that fruits ...

Medicine & Health / Health

created Sep 22, 2011 | popularity 5 / 5 (1) | comments 0

Breeding soybeans for improved feed

Modifying soybean seed to increase phosphorus content can improve animal nutrition and reduce feed costs and nutrient pollution. However, further research is needed to commercialize this valuable technology. Knowledge of ...

Biology / Ecology

created Sep 16, 2011 | popularity not rated yet | comments 0

Learning secrets of world's most common organic compound driving research for biofuels

Preliminary research at Kansas State University may make a difference one day at the gas pump.

Chemistry / Materials Science

created Aug 23, 2011 | popularity not rated yet | comments 0

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

Enzymes for cell wall synthesis conserved across species barriers

Plants have neither supportive bone tissue nor muscles, and yet they can form rigid structures like stalks and even tree trunks. This is due to the fact that plant cells are enveloped by a stable cell wall. The main component ...

Biology / Biotechnology

created Jul 14, 2011 | popularity not rated yet | comments 0

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 discover how plants control the formation of wood cells

An international research group headed by Professor and Research Director Yrjo Helariutta has discovered the genetic process that controls the development of wood cells in the roots of plants. Wood is the vascular tissue ...

Biology / Cell & Microbiology

created May 31, 2011 | popularity not rated yet | comments 0

Unraveling plant reactions to injury

Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...

Biology / Cell & Microbiology

created May 27, 2011 | popularity not rated yet | comments 0

How plants self heal

Many animals and plants regenerate tissues or even whole organs after injury. Typically, specialized cells at the wound site revert to a ‘pluripotent’ state–via a process called dedifferentiation—which ...

Biology / Cell & Microbiology

created May 20, 2011 | popularity 5 / 5 (1) | comments 1

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

Meat-lovers get food for thought in futuristic US lab

A 21st century American cowboy will resemble a worker in a hi-tech plant creating artificial meat in a petri dish, a far cry from cattle ranches, says biologist Vladimir Mironov.

Biology / Biotechnology

created Feb 15, 2011 | popularity not rated yet | comments 7