Tag: "categorize" at biology news

Calcium may protect women from cancer

...ium-specific. The information received was used to categorize the women into five equally sized groups. The groups were ranked in order of increasing calcium intake, based on the dietary practices the women reported at the start of the study. Women in the lowest group consumed less than 412.3 mg of calcium f...

Researchers map 'circuitry' of yeast genes using technique that could be applied to humans

...ractions, but we created a method to automatically categorize these interactions," said Kelley. "We then took this automatic categorization scheme to determine the wiring diagram for yeast." The UCSD researchers plan to refine their circuit diagram of yeast as more synthetic lethal interactions become known. Th...

Researchers find gene that may be at root of potato blight

...thogens called oomycetes. Oomycetes aren't easy to categorize although they physically look like fungi, on a molecular level they more closely resemble algae. Over the last 75 years, potato breeders have introduced at least a dozen late blight-resistant genes into the cultivated potato. The researchers looked...

U. of Colorado researchers hunting down, studying new microorganisms

...erspective," he said. Schmidt said scientists now categorize life in three domains: archaea, which often live in extreme environments; bacteria; and eucarya, which have cells with membranes around their DNA and range from single-celled organisms to fungi, plants and animals. The team is concentrating its effo...

U-M scientists say fused genes trigger the development of prostate cancer

...ate cancer," Chinnaiyan says. "It will allow us to categorize prostate tumors by molecular sub-type, which could help determine the most effective treatment for each patient." "This collaborative effort has yielded an important molecular biomarker that will help us better detect prostate cancer and ultimately h...

Stanford/Packard scientist's data-mining technique strikes genetic gold

..., MD, PhD, used computer programs to automatically categorize the tens of thousands of microarray experiments in a single database based on the terms, or concepts, used by the submitter to describe the experiment. They then looked for findings shared by several experiments with similar concepts, such as tissue ...

Researchers show how brain decodes complex smells

...rter sections of the brain's olfactory system then categorize and combine these compounds into a recognizable scent. According to the researchers, it's as if the brain has to listen to each musician's melody to hear a symphony. Humans may rely on the same smell decoding system, because mice and men have similar...

All the eggs in one basket

... and used density descriptions and harvest data to categorize "major" and "minor" nesting sites. Historically, large nesting populations existed throughout the Caribbean. The researchers estimated 59 nesting sites existed for the green turtles, and 55 sites existed for the hawksbill turtles. Based on their ...

Beauty and the brain

...easured by the speed with which people are able to categorize what it is they're looking at). So, could it be, t...ins to perceive a prototype and then asked them to categorize different degrees of variations around that same prototype and rate their appeal. "As predicted,"...

With fruit fly sex, researchers find mind-body connection

...mate. So this makes it difficult for scientists to categorize their behavior as gender appropriate. So McKeown raised flies missing one of two copies of doublesex, a process that didn't completely remove the gene's influence but drastically reduced it. The result: Flies' sexual equipment was intact, but, theo...

Study identifies common flaws in oncology microarray studies

... tumor types, to discover new drug targets, and to categorize unique characteristics of a particular tumor to help doctors tailor treatments to an individual patient. However, such studies produce volumes of data that is easily misinterpreted. It has been difficult to replicate such studies, which is considered...

Human skin harbors completely unknown bacteria

...h organisms from one another, biologists group and categorize them. Species or SLOTUs are small categories. There are larger groupings such as genera and phyla. Humans, for example, belong to the phylum chordata, the genus Homo and the species Homo sapiens. The molecular method used in this study revealed di...

Darwin's famous finches and Venter's marine microbes

...sitive and diverse, and so increase their power to categorize novel sequences." Diversity of microbial kinases In a separate study, Manning, Zhai, and first author Natarajan Kannan, Ph.D., a postdoctoral researcher in the lab of HHMI investigator and UCSD professor Susan S. Taylor, Ph.D., traded the bread...

How to look at dinosaur tracks

...his in mind, Miln and Loope sought to describe and categorize different levels of preservation. For example, dinosaur tracks may still exist as true tracks, that is, the original prints left in the ground by the dinosaur. True tracks preserve many of the anatomical details of the foot, such as number of digits ...

Human knowledge is based upon directed connectivity between brain areas

.... The participants in Gruber's study were asked to categorize objects that were subsequently presented on a screen either as familiar or unfamiliar during the registration of their brain waves (EEG). Unfamiliar objects represented complex visual patterns, physically resembling the familiar ones in every possibl...

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(Date:4/17/2014)... and pathogens that devastate honeybees in Europe, Asia and ... do not appear to be impacting native honeybee populations ... researchers., The invasive pests include including Nosema microsporidia ... honeybees appear to be resilient to these invasive pests, ... control pests in Europe, Asia and the United States ...
(Date:4/17/2014)... Current Biology on April 17 have discovered ... Brazilian insects, which represent four distinct but related species ... example of an animal with sex-reversed genitalia. , ... animals, Neotrogla is the only example in ... Yoshizawa from Hokkaido University in Japan. , During copulation, ...
(Date:4/17/2014)... Scientists have uncovered a new way the immune system ... aid efforts to use immune cells to treat illness. ... have the immunological equivalent of "neighborhood police" specialized ... single organ, instead of an entire city, the body. ... St. Louis have shown that the liver, skin and ...
Breaking Biology News(10 mins):East African honeybees are safe from invasive pests… for now 2East African honeybees are safe from invasive pests… for now 3In sex-reversed cave insects, females have the penises 2Some immune cells defend only 1 organ 2
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