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Tag: "systematic" at biology news

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...ic of more complex organisms. Detailing the first systematic study of relatively recent horizontal gene transfer into a protist, scientists report evidence in the DNA sequence that E. histolytica likely picked up a significant number of its metabolic genes from bacterial co-inhabitants of the human gut. Identi...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

...e quality of the data sets and concluded that this systematic protein pattern “is biologically implausible.?Baggerly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few sp...

New species from old data

...e quality of the data sets and concluded that this systematic protein pattern “is biologically implausible.?Baggerly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few sp...

Cracking the olfactory code in bees

...e quality of the data sets and concluded that this systematic protein pattern “is biologically implausible.?Baggerly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few sp...

Signaling protein builds bigger, better bones in mice

...e quality of the data sets and concluded that this systematic protein pattern “is biologically implausible.?Baggerly explains that discriminatory peaks appear to be spread across the entire m/z spectrum in the second data set, but “changes in protein expression associated with cancer should affect only a few sp...

First 'atlas' of key brain genes could speed research on cancer, neurological diseases

...es to the human brain as well. “This is the first systematic mapping of all of the major brain areasthat shows what regulatory genes are expressed in those specificlocations,?said Quifu Ma, PhD, of Dana-Farber’s Cancer BiologyDepartment. He is senior author of a paper appearing in today’s onlineissue of the jo...

Open microfluidic and nanofluidic systems

...uce a certain liquid morphology since there was no systematic theory for the dependence of this morphology on th..., the development of any new technology requires a systematic understanding of the underlying physics. This latter constraint applies to all length scales: if one...

Bird Brains Show How Trial and Error May Contribute to Learning

...sensitive recording equipment can detect them. The systematic trials were possible with the aid of a computer program that could track the bird twitters and trigger stimulations to LMAN at precise moments to elicit measurable effects on a predetermined syllable, song after song. The researchers found that diff...

Examination of internal 'wiring' of yeast, worm, and fly reveals conserved circuits

...most informative level of detail." For centuries, systematic comparisons of animal, plant, and microbial species was based on painstaking measurements of anatomic features. Beginning in the late-1970s, DNA sequencing technology permitted biologists to identify the precise subunit sequence of every gene in the ...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...synergies that exist in the natural environment, a systematic approach to environmental decision making and management is urgently needed. The Interlinkages approach offers a coordinated way to achieve this goal," the analysis says. "Because of the transboundary nature of many ecosystems and environmental prob...

Falling ants glide back to trunk to avoid dangers of forest floor

...He and Dudley are applying for grants to do a more systematic survey to see how common gliding is among the hundreds of species of canopy ants as well as other insects that live in the trees, and to explore the biomechanics of their gliding. ### Yanoviak also is affiliated with the University of Florida Medic...

Fleshing out the genome

...d that "a big part of this was the proteomics"-- a systematic screening and identification of proteins, in this case those which were expressed in the microbe when subjected to stress. The proteomic analyses were done by four teams led by Kolker, Carol S. Giometti, Argonne National Laboratory (ANL); John R. Yat...

Computational Method Speeds Mapping of Cell Signaling Networks

...glas Lauffenburger of MIT has "opened the door for systematic mapping of signaling pathways," according to team member Dana Pe'er. They tested their technique--a combined approach of state-of-the-art experimental and computational methods that "fit like a hand in a glove,"--by mapping a well-studied signaling n...

Small species back-up giant marsupial climate change extinction claim

...gy (QUT) and Queensland Museum performed the first systematic analysis of a site in the fossil rich Darling Downs region of south-eastern Queensland. Reported in the journal Memoirs of the Queensland Museum tomorrow (Tuesday 31 May) they found smaller species, dependent on a wetter environment, had also disapp...

Lipids get new comprehensive classification system

...fication of the use of core structures to simplify systematic naming of some of the more complex lipids, provision of systematic names for recently discovered lipid classes, and clarification of abbreviations and shorthand names ...

Research on antibiotics receives historical recognition

...for physiology or medicine in 1952 for "ingenious, systematic and successful studies of the soil microbes" that led to the discovery of streptomycin. He died in 1973. ...

UNC plant researchers discover proteins interact to form hair-trigger protection against invaders

...uit flies and humans but not to plants in a large, systematic way. Arabidopsis was the first plant for which scientists succeeded in mapping its entire genetic composition. Dangl is also with UNC's Curriculum in Genetics, Department of Microbiology and Immunology and Carolina Center for Genome Sciences. ...

FDA approves more generic AIDS drugs

...uit flies and humans but not to plants in a large, systematic way. Arabidopsis was the first plant for which scientists succeeded in mapping its entire genetic composition. Dangl is also with UNC's Curriculum in Genetics, Department of Microbiology and Immunology and Carolina Center for Genome Sciences. ...

Motor transport in bio-nano systems

...s by exploring different system architectures in a systematic way before they are actually constructed in the lab. The enhanced diffusion of motors at regular patterns of filaments provides an instructive example: When integrated into existing microarrays for DNA and RNA hybridization, these transport systems w...

Researchers feed tiny pills of RNA to planarians to identify genes essential for regeneration

...e step forward for us and opens the possibility of systematic molecular studies to find the genetic cause of regenerative processes in animals." Silencing planarian genes may also help in studying human disease. Thirty-eight of the genes Sánchez Alvarado and his team silenced are related to human genes associa...

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