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Ants are friendly to some trees, but not others
Tree-dwelling ants generally live in harmony with their arboreal hosts. But new research suggests that when they run out of space in their trees of choice, the ants can get destructive to neighboring trees. view more (2009-11-09)
Microbes, by latitudes and altitudes, shed new light on life's diversity
Microbial biologists, including the University of Oregon's Jessica L. Green, may not have Jimmy Buffett's music from 1977 in mind, but they are changing attitudes about evolutionary diversity on Earth, from oceanic latitudes to mountainous altitudes. view more (2008-08-12)
From laboratory demonstrators over systems to indispensable process plants
Today microreactors are already valuable informants for the process development in the laboratory area. According to a study of the French consulting company YOLE Développement and Institut für Mikrotechnik Mainz GmbH (IMM) the readiness of industry clients to buy such microreaction components for chemical process development rests... view more... (2002-08-15)
Nightshades: 'overflowing' with Phytophthora resistant genes?
The potato and other related varieties of the Solanum species contain scores or perhaps even hundreds of genes that can give the plant a degree of resistance to 'potato blight', a disease caused by Phytophthora infestans. This is one of the conclusions that came to light in Vivianne Vleeshouwers' thesis, with which she recently earned her doctoral... view more... (2001-02-01)
Prairie dogs: influencing the accumulation of metals in plants?
Prairie dogs may seem like harmless little creatures, but they can inflict serious injury on plants simply by snacking on them. Plants cannot flee from their furry predators, so how do they avoid becoming a prairie dog's lunch? view more (2009-06-24)
Discovering the secret code behind photosynthesis
Scientists from Queen Mary, University of London have discovered that an ancient system of communication found in primitive bacteria, may also explain how plants and algae control the process of photosynthesis. view more (2009-02-25)
Climate change opens new avenue for spread of invasive plants
Plants that range northward because of climate change may be better at defending themselves against local enemies than native plants. view more (2008-11-20)
Regulations for health-promoting gentech food products
Newly published report lists regulations for health-promoting gentech food products Differences between EU and US clarified A new report has been published listing the regulations for food crops and medicinal plants that contain extra health-promoting ingredients as a result of genetic modification (gentech). The document is the result of a joint... view more... (2001-12-12)
Plants tell caterpillars when it's safe to forage
The world is filled with cues that could influence the daily feeding patterns of an organism. Many plants, for example, respond to foraging damage by releasing specialized chemical signals-volatile organic compounds that evaporate in the air-that attract the forager's natural enemies. view more (2006-05-16)
Alarm pheromone causes aphids to sprout wings
Chemical communication within insect species is often much more sophisticated than expected. When aphids are attacked by predators such as ladybird beetles, they release an alarm pheromone, (E)-ß-farnesene, that has long been known to cause other aphids to walk around or drop from the plant. view more (2005-05-18)
Saving our bees
Most of the world's plant species rely on animals to transfer their pollen to other plants. The undisputed queen of these animal pollinators is the bee, made up of about 30,000 species worldwide, whose daily flights aid in the reproduction of more than half of the world's flowering plants. view more (2008-08-04)
Mexican farmers effectively cultivate phenotypic diversity in maize
Erosion of genetic diversity of crop plants has for several decades been making it necessary to develop initiatives for protecting these plant resources. One strategy is in-situ conservation of crop plants. The model currently advanced involves maintaining the varieties to be conserved isolated in reserves, protected from entry of other varieties... view more... (2004-03-31)
Fungus genome yielding answers to protect grains, people and animals
Why a pathogen is a pathogen may be answered as scientists study the recently mapped genetic makeup of a fungus that spawns the worst cereal grains disease known and also can produce toxins potentially fatal to people and livestock. view more (2007-10-08)
How size matters
The beauty of nature is partly due to the uniformity of leaf and flower size in individual plants, and scientists have discovered how plants arrive at these aesthetic proportions. view more (2007-12-13)
Organic nitrogen gives new clue to biodiversity
Scientists have found that organic nitrogen is more important for plant growth than previously thought and could contribute to maintaining diversity in grasslands. view more (2006-04-12)
A laser uncovers the logic of the stomata function
What you do is sometimes determined by what your neighbours do. Scientists believe that this extends to stomatal behaviour. Stomata are pores placed at the plant surface that allow gas exchange with the atmosphere. view more (2006-12-21)
Why do insects like to eat some plants more than others?
In a study appearing in the forthcoming issue of The American Naturalist, Tom E. X. Miller, Andrew J. Tyre, and Svata M. Louda (all of the University of Nebraska, Lincoln) examined herbivore dynamics, specifically why plants aren't all eaten at the same rate. view more (2006-11-14)
Plants uptake antibiotics
Scientists at the University of Minnesota have been evaluating the impact of antibiotic feeding in livestock production on the environment. view more (2007-07-12)
Plant Communication: Sagebrush Engage in Self-Recognition and Warn of Danger
"To thine own self be true" may take on a new meaning-not with people or animal behavior but with plant behavior. view more (2009-06-22)
Plants Can Protect Themselves From Aphids And Locusts
Moscow biologists have proved that people can use the capability of some plants to protect themselves from vermin insects with the help of biologically active substances. It has been found that plants can protect themselves from vermin insects. One way is to use substances which the plants synthesise to suppress insects' hormones activity and to... view more... (2003-12-15)
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