Tag: "plants" at biology news
Don't stand so close to me: A new view on how species coexist
...000 species places them approximately next to land plants
in terms of diversity. To their surprise they found that over long periods of time, 'gaps', or differences in their life histories, opened up between the evolving parasitoid wasp species, which are not filled by others. They suggest this may explain ...
National Science Foundation awards $2 million grant to UC Riverside
... the form of nitrogen (known as N) that is used by plants
as fertilizer. "California has been subject to we...n region, and include annual grasses and flowering plants
such as stork's bill and mustard. The grasses are problematic, Allen said, because they form a fine ...
How roots control plant shoots
...w leaves grow is a crucial matter given that leafy plants
supply food for humans and other creatures, produc...scientists to genetically engineer crops and other plants
to be more productive in dry conditions for example, so that crops could keep producing abundant le...
Plants provide model for new shape-changing materials
... biology, nastic refers to the natural movement of plants
in response to changes in their environment, such as plants
that track the sunlight or that stiffen when watered. These movements are caused by changes in the w...
Below the surface: New clues to plant signaling from the roots
...e the critical early days of leaf development. How plants
coordinate the development of their shoot and root...e study shows that the roots of mutant Arabidopsis plants
that lacked BYPASS1 function constitutively produced this growth-inhibiting substance. If the mutant...
Viruses found in untreated city water
...ppi River is affected by upstream sewage treatment plants
and is a source for viruses." Contrary to expectations, researchers detected viruses in all wells, even those with low contributions of Mississippi River water. This suggested that other unidentified sources, in addition to river water, were respons...
UCR researchers identify key plant enzyme that defends against multiple infections
...rigger programmed cell death, an important process plants
undergo in fighting off bacterial, fungal or viral...e of improving crop yields, which are dependent on plants
being able to fend off multiple types of pathogens. The findings, outlined in a paper titled "VPEg ...
Taking the next step toward growing our own fuel
...The boom in construction of dry-mill based ethanol plants
that has tripled the production of ethanol in a five-year period is evidence of the biobased opportunities in this area," he said. ...
Emory chemists develop bacteria that may help decaffeinate coffee
...o speed it up a bit so that we could create coffee plants
that are low in caffeine. That's where the bacteri...and give each bacterium a piece of DNA from coffee plants
that may encode the enzyme that will allow the bacterium to convert the caffeine to the theophylline...
Rutgers-led research offers new clues in the genetic mysteries of maize
...t time," said Messing. "Because they are immobile, plants
have to adapt to changes more rapidly than animals that can move to escape environmental impacts. Plants are continually faced with a variety of seasonal challenges and assaults by a series of different pests which may well lead to evolution on a fas...
Study in Royal Society journals presents evidence for inherited factors in homosexuality
...ch channels actually exist in cells of animals and plants
and there is current interest in making membranes containing artificial channels for desalination and filtration. Contact: Professor AE Hill, Physiological Laboratory, Cambridge University, Downing Site, CAMBRIDGE, CB2 3EG...
Laboratory test of evolutionary theory confirms importance of links between populations
... much of his work focusing on interactions between plants
and the insects that pollinate flowers and feed on plant parts. Both the ecology and the genetics involved in these natural systems are highly complicated, however, and even long-term studies can only address a limited number of questions, he said. "...
How to use math and a CT scanner to see how trees intercept light
...model providing a better understanding of why some plants
perform better in given light environments. This i..."This is of obvious importance when choosing which plants
to grow in environments with short photoperiod." Dutilleul has developed links between statistics an...
Arctic mystery no longer: Dinosaurs walked Canada's great north
...large predatory dinosaurs and a great variety of plants
lived in the High Artic," he says. "We found dinos...'t expect it, yet dinosaurs and a great variety of plants
lived in the High Arctic 240 to 65 million years ago." These were Larsson's first Arctic expeditions...
Antibiotic identified as potential anti-cancer candidate
...everal classes of Pdf-like sequences in parasites, plants
and mammals. Subsequent studies showed that the Pdfs were active both in culture and in the living organism, thus potentially derailing the usefulness of these antibiotics for specifically combating infectious agents. In previous studies, Scheinber...
Researchers redrawing the Tree of Life
... in reclassifying the 270,000 species of flowering plants
that include all our food plants. The NSF grant a...ow, based on information from the genes, flowering plants
are classified into a basal group that includes both monocots and some dicots such as magnolias and ...
ASPB opposes proposed ban of GMOs in Humboldt county ballot measure M
...and millions of Americans. Genetically engineered plants
that more effectively resist pests have also led to improved crop yields. Furthermore, there are instances in which genetic engineering can produce healthier and safer foods than can be accomplished using traditional plant breeding tech...
Passage of GMO ban in San Luis Obispo would encourage use of harsh pesticides
... and millions of Americans. Genetically engineered plants
that more effectively resist pests have also led to improved crop yields. Measure Q encourages the current widespread use of toxic chemical pesticides in farming. Furthermore, there are instances in which genetic engineering can produce...
Single genetic defect links many risk factors for heart disease and stroke
...es of the mitochondria the energy-producing power plants
of the cell that are passed from mother to offspring. The researchers are hopeful their discovery could help unravel the complex genetic and environmental factors that cause a range of metabolic disorders. The researchers, led by Howard Hughes Medic...
Farmers don't need a new superstar toxin to fight bugs
...fective genetically engineered protectants used in plants
in the buffer zone around the main crops can play ...refuge, around the outside of fields that contains plants
lacking the high-toxicity genetic modification in the main field that kills most insects. The refuge...
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