Tag: "cryptic" at biology news

Hidden diversity: DNA 'barcoding' reveals a common butterfly is actually 10 different species

...anzen said. "Our results add to the evidence that cryptic species are prevalent, which I believe is of critical importance if we are to document the health of the environment and the richness of global biodiversity."...

Tufts University groundbreaking research on caterpillar locomotion

... but instead use camouflage, chemical defenses and cryptic behavior. As a result, their movement crawling has evolved into a highly specialized form of locomotion which allows soft-bodied animals to crumple, compress and rotate body parts into confined three-dimensional structures such as tubes and branche...

Researchers identify unifying code among diverse classes of natural antibiotics

...s. Moreover, it validates a new method to identify cryptic structural codes in other types of proteins that could significantly advance our ability to prevent or treat infections and non-infectious disease in man."...

Ambient light influences the evolution of colour signals

...reflected by background, different signals will be cryptic or conspicuous at different heights in tropical rainforest. In the forthcoming issue of Ecology Letters, Gomez and Thry compare plumages of 40 species living in French Guiana. They demonstrate that predators exert an important pressure on coloration...

Coexistence of identical competitors: an old doctrine challenged

...ist. This prediction accords with the discovery of cryptic species of fig wasps made by researchers using molecular markers....

JCI table of contents, July 15, 2003

...OPN in this disease". TITLE: Essential role of the cryptic epitope SLAYGLR within osteopontin in a murine model of rheumatoid arthritis AUTHOR CONTACT: Nobuchika Yamamoto Exploratory Research Laboratories, Fujisawa Pharmaceutical Co., Ltd., Ibaraki, Japan. Phone: 81-029-847-8611 Fax: 81-029-847-1536 Email: ...

One fig, one wasp? Not always!

...ies. On closer inspection, some figs hosted two cryptic species of pollinator wasp. Molbos analysis based...I and University of Arizona), which confirmed that cryptic wasps had evolved separately for more than 1.5 million years. Some cryptic wasp species are actua...

University of South Florida team conducts trial for HIV vaccine

...odies against HIV have not worked well because the cryptic virus changes itself slightly to evade attack. Instead of building antibodies, this new HIV vaccine boosts the activity of killer cells in the immune system, called T-lymphocytes, to target and kill the cells containing HIV. "The challenge is to st...

Ominous signs of cryptic marine invasions

... result suggests there are likely to be many other cryptic invaders out there--a huge conservation problem, according to Roy....

Predators drive evolution of virtual prey appearance

...0 virtual moths whose wings had relatively similar cryptic markings. The moth images were overlaid on a complex, granular background that was projected on a computer display mimicking the appearance of live moths on a tree trunk. The appearance of the moths was developed from virtual genomes that were base...

January media highlights: GEOLOGY and GSA TODAY

... lithosphere. Biofilm architecture of Phanerozoic cryptic carbonate marine veneers . Robert Riding, Department of Earth Sciences, Cardiff University, Cardiff CF10 3YE, UK. Pages 31-34. Microscopically thin calcareous linings in fossil reef and other sediment cavities are identified as bacterial...

Bacterial communities found to follow water

...long wait for the next rain. The existence of such cryptic communities of microbes has long been known, and it has long been assumed that the organisms behavior can be explained by common light-responsive behavior. Now, a new finding by Arizona State University microbial ecologist Ferran Garcia-Pichel and ...

DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find

...es - every year. Ornithologists have found similar cryptic biodiversity in crossbills, herpetologists in reptiles, marine biologists in whales, and botanists in plants, such as the tiny yellow goldfields that used to blanket the hills of California every spring. "In case after case, when we look at evolution...

Once thought extinct, Siamese crocodile is photographed in Siam

...ile," said Lynam, who has studied tigers and other cryptic fauna in Thailand since 1990. "It was number 37 on a roll of 36 exposure film. The other pictures on the film included otters, macaques and a Buddhist monk on walkabout in the forest."...

The enemy of my enemy is my friend

...ve the difficult task of locating their frequently cryptic prey (which are also small) in the vast spatial expanses of green plants. By releasing these volatile signals, plants assist these predators, essentially saying: "here's one". This phenomenon has been reported from...

Darwinian evolution of reproductive proteins in mammals

...ories about sperm competition, sexual conflict and cryptic female choice, this study's findings could have at least one practical application concerning infertility and also could help explain how new species evolve, says Aquadro, a Cornell professor of population genetics. "We think we're seeing a cat-and-...

Last unidentified sport fish in North America gets a scientific name

... scientists likely will describe only the smaller, cryptic species that have avoided detection despite our best efforts." Burgess and James D. Williams, a scientist with the U.S. Geological Survey Laboratory in Gainesville, describe the new species of bass, called Micropterus cataractae and found in rivers i...

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