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Tag: "species" at biology news

W.M. Keck Foundation funds study of friendly microbes

... bioreactor programmed with at least 800 different species of bacteria." "Fortunately, these microbes endow u... for mining genome sequence data so that bacterial species can be more rapidly and accurately classified. A large publicly accessible database will be establis...

Termites feed through good vibrations

... a form of sonar. Dr Evans says different termite species are known to prefer eating particular sizes of woo... food very carefully. The palatability of the wood species and hardness is important as are defensive chemicals made by the plant. But our work shows that this...

Affymetrix Unveils Plans to Double Plant and Animal Genome Microarray Offering

...udied SNP effects in expression analysis ofdiverse species using an early prototype of the maize array-- Dr. Brett Tyler who studied transcriptional profiling ofPhytophthora sojae infection of the soybean plantThe Affymetrix GeneChip Consortia Program is a collaborative initiativethat enables the plant and a...

Ecological destruction fuels emerging diseases

...of habitat by human activity and the extinction of species around the world is more than a looming environmen...es of major climate change or mass extinction, and species have moved out of their areas of origin into other areas, there have been emerging diseases. Parasit...

Ancient olfaction protein is shared by many bugs, offering new pest control target

...though many odorant-receptor proteins appear to be species specific, there is a high degree of evolutionary conservation of the Or83b coding sequence among the fruit fly, the medfly (a citrus pest), the corn earworm moth (which damages corn and tobacco), and Anopheles gambiae, the malaria mosquito. When the ...

Bound for destruction: Ubiquitination protects against improper Notch signaling

...on anddevelopmental processes, and is conserved in species from human toroundworm. In all processes in which it participates, Notch signalingshows the ability to sense a small change in cell fate and amplify it,acting as a sort of contrast enhancement mechanism in cell fatedetermination. Notch is activated ...

The secret lives of whales

...rsible Alvin. They were amazed to find hundreds of species of animals encrusting the bones. Some of these species were remarkably similar to the sulfur loving clams, mussels and tube worms observed around hydrother...

Dinosaur DNA? New Patent Covers Degraded DNA recovery

... included several Egyptian mummies and two extinct species -- the marsupial wolf and ground sloth. Plant DNA ... representative -- at microscopic levels -- of the species from which the degraded sample was obtained. Dr. Ensley and his team hope to apply this new technol...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...n similarproportions to those found in Brick, on a species of surf clam readilyavailable in the waters off of her Cape Cod lab. The species is famousamong scientists as a model for the study of cellular processes thatare common among all an...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...n similarproportions to those found in Brick, on a species of surf clam readilyavailable in the waters off of her Cape Cod lab. The species is famousamong scientists as a model for the study of cellular processes thatare common among all an...

New Clues Add 40,000 Years to Age of Human Species

...en, or if, modern humans encountered other hominid species in Eurasia. “For several decades, the Kibish fossils have been a key element in arguments for an ancient origin of modern humans in Africa, yet one for which the age and provenance of the fossils was repeatedly contested,?notes Fleagle. At the requ...

Spider Venom Could Yield Eco-Friendly Insecticides

...particular insect genus, or even a small number of species within a genus. The toxin-enhanced virus would act...f insect-specific neurotoxins. Thousands of spider species yet to be studied represent an untapped reservoir of diverse insecticidal compounds that could do mo...

Researchers identify target for cancer drugs

...s the fruit fly. Finding this complex conserved in species as diverse as flies and humans supports the claim that the mTOR/rictor complex is indeed a missing piece of the puzzle. According to Sarbassov, "If we find a molecule that can block the mTOR/rictor complex, then we may be able to prevent Akt from be...

Essential mangrove forest threatened by cryptic ecological degradation

...adverse shifts in the composition of mangrove tree species to disrupted ethnobiological relationships, lagoon...st socio-economically important and most aesthetic species is masked by the expansion of less important species. The authors emphasize that such cryptic ecolog...

Taking Aim With Nanoparticle PEBBLEs

...ide of the targeted cell and shoot reactive oxygen species into it, setting off "an avalanche of damage," said Kopelman. By staying outside the cell, PEBBLEs avoid a problem that thwarts many chemotherapy drugs. "The really bad cancer cells get immune to chemotherapy drugs ?they pump the drugs back out," Ko...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

...responsible for the red colors found in the parrot species they sampled. The researchers used a chemical ana...gare collected and analyzed samples from 44 parrot species that have red feathers. Overall, there are some 350 species of parrots, 80 percent of which have red...

Elephants imitate truck noises, other animals

...he chirps but rarely made any other sounds. "Many species with similar social systems as elephants use vocal...attern we've seen in other terrestrial and aquatic species capable of vocal learning, "Tyack said. "Vocal learning should also occur in other species where lon...

Transport System Smuggles Medicines Into Brain

...responsible for the red colors found in the parrot species they sampled. The researchers used a chemical ana...gare collected and analyzed samples from 44 parrot species that have red feathers. Overall, there are some 350 species of parrots, 80 percent of which have red...

Elephants imitate sounds as a form of social communication

...he chirps but rarely made any other sounds. "Many species with similar social systems as elephants use vocal...attern we've seen in other terrestrial and aquatic species capable of vocal learning, "Tyack said. "Vocal learning should also occur in other species where lon...

Highly adaptable genome in gut bacterium key to intestinal health

...s adaptive mechanism not only allows the bacterial species to survive rapidly changing nutrient conditions bu...otaomicron or B. theta, is among the most abundant species in the human gut microbial community. B. theta breaks down otherwise indigestible carbohydrates, suc...

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