Clues to the puzzle of 'talking' root cells
...ons that generate a non-functional protein produce plants with stunted roots. The Short-Root protein is a tr... broadly, said Benfey, there are parallels between plants and animals in such signaling. "While the process we are studying could be a highly specialized, uni...Passage of Marin County GMO ban would encourage widespread use of harsh pesticides
... and millions of Americans. Genetically engineered plants that more effectively resist pests have also led to improved crop yields. Measure B encourages the current widespread use of toxic chemical pesticides in farming. Furthermore, there are instances in which genetic engineering can produce healthier and...Common household fragrances may be harming aquatic wildlife, study finds
...hrough sewers and drains, but wastewater treatment plants are not equipped to handle them." First line of defense In their study, Luckenbach and Stanford biologist David Epel tested six synthetic musk compounds widely used by industry. Their goal was to determine if these artificial fragrances affected th...DASH diet may do more than lower blood pressure
...arlene M. Most. Phytochemicals are substances that plants naturally produce to protect themselves against viruses, bacteria, and fungi. And, they include hundreds of naturally occurring substances, including carotenoids, flavonoids, indoles, isoflavones, capsacin and protease inhibitors. The exact role of p...Are museum collections of ancient life representative?
... life the biggest dinosaur, the nicest fossils of plants and bugs. Increasingly, researchers are looking to museum collections to answer questions about what lived on earth millions of years ago and how life evolved. Digging up stream beds, river banks, flood plains, and road cuts and analyzing the resulti...Researchers uncover how infections combat plant immune responses
...vered defense mechanism against virus infection in plants and invertebrates. For successful infection to occur, viruses must be able to suppress the RNA silencing's antiviral response. "Our results demonstrate that citrus tristeza virus (CTV) produces three proteins that are suppressors of RNA silencing an...Scientists pioneer biotech techniques to halt infestation of history, art treasures in tropics
...s colour and structure. Determining the species of plants and trees used to produce paper and artists' materials long ago is information vital to effective protection and preservation of their works. The research has already attracted strong interest from curators worldwide; UNU-BIOLAC co-hosts the first r...Crucial evolutionary link points to origins of modern cells
...al for the function of cells ranging from yeast to plants to humans. This transportation network, called the endomembrane system, and the presence of a nucleus that contains the cell's DNA, are among the features that distinguish eukaryotic cells -- which make up plants, animals and humans -- from the pr...Virginia Tech, TIGR sign memorandum for new alliance
...r noted that the university has done research with plants and animals since its founding in 1872 and has been at the cutting edge of using biotechnology and computational tools to protect animal and human life. The university is home to the Fralin Biotechnology Center and the Virginia Bioinformatics Institu...Global warming's impact on US plants, animals determined from review of dozens of studies
AUSTIN, Texas--Global warming has forced U.S. plants and animals to change their behavior in recent dec...r statistical review of global warming's impact on plants and animals around the world appeared in a January 2003 issue of Nature . The Pew report, "Observe...Genetically engineered corn poses no immediate threat to Mexican crops
... of imported GM varieties contaminating indigenous plants frightens many citizens, said Allison Snow, a co-a...he genes, including the transgenes, of modern corn plants have been introduced into traditional Mexican crops. Also, evaluate and develop ways to eliminate tr...Sex-determining genes of infectious fungus resemble human Y chromosome
... Sexual identity is governed by sex chromosomes in plants and animals. In humans and other mammals, males have one X and one Y chromosome, while females have a pair of X's. In fungi, sexual identity is determined by so-called "mating type loci," genes located in a contiguous region of the genome, but ...Gene exchange between species is aided by parasitism
...t mitochondrial gene atp1 from parasitic flowering plants to weeds in the genus Plantago. Three Plantago spe...llion years ago. The dodders' manner of attacking plants suggests a way DNA could have traveled between parasite and host, the IU scientists say. As part of ...In a tiny squid, bacterial toxin governs organ development
...een the world's many microorganisms and their host plants and animals, according to Margaret McFall-Ngai, a University of Wisconsin-Madison professor of medical microbiology and the corresponding author of the Science paper. "It is all context dependent," says McFall-Ngai. "It has to be that we hav...Order of species loss has important biodiversity consequences, grassland study reveals
... In the realistic loss scenario, entire groups of plants with unique functions disappeared faster than expected by chance, and invader resistance declined dramatically. The results suggest that biodiversity losses in natural systems can have far greater impacts than indicated by randomized-loss experiments...Sex versus survival: A tradeoff at geographical range limits
...Kingston, ON) A new, Queen's-led study shows that plants growing in harsh northern climates are losing the ...rginal populations," he continues. "A shift in how plants reproduce will also greatly affect whether or not they will be able to move with changing climates, ...Building a tree of life needs less 'wood'
...useful trees starting from samples of 16,000 green plants and 7,500 plants and animals. "It's pretty surprising that you can draw conclusions from such a small amount of i...Ground-level ozone linked to increased mortality
...ere that is formed when emissions from cars, power plants and other sources react chemically to sunlight. Stratospheric ozone, which is higher in the atmosphere, is the "ozone layer" that protects the Earth from ultraviolet radiation. "This is one of the largest ozone pollution studies ever conducted," said...Poisoning solved after millions of years
...hroughout the world for the fossils of animals and plants from a tropical landscape 47 million years ago, all of them excellently preserved. Nowhere else have so many bats and birds been found in lake deposits. Among the mammals even the contents of the stomach are usually preserved. But how did these anima...Researchers discover new way to boost grain crops' drought tolerance
...the production of ethylene, screening thousands of plants for naturally occurring mutants that were deficien... longer than non-altered plants. In addition, the plants were more resistant to the effects of adverse environmental conditions. Surprisingly, by reducing th...