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Tag: "clues" at biology news

Scientists journey to southern Africa to unravel the secret world of elephant communication

... SIDEBAR: Anatomy of the trunk and feet offers new clues to elephant seismic sensitivity In addition to her fieldwork, Caitlin O'Connell-Rodwell also is conducting laboratory studies on elephant physiology to determine why they are so seismically sensitive. As a research associate in the Stanford Departme...

Study reveals new technique for fingerprinting environmental samples

...genes involved in particular functions provide DNA clues to features of the environments from where the samples were taken. Importantly the DNA clues were easy to find despite the vast numbers of different individual microbial species within the samp...

UNC launches study of liver injury caused by drugs

... factors identified by DILIN research will provide clues to susceptibility to the many diseases that represent an interaction with the environment." ...

Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes

...l implications, the study may offer more important clues for further research. It may be that dolichoectasia causes or contributes to small vessel disease, and/or that the two have common causes. Nearly a quarter of all strokes arise from blood flow problems in the smallest blood vessels of the brain. Pat...

Researchers find new genes necessary to make embryo

...ar roles for these genes, thus providing important clues to how these genes work in humans. The new data also asked allowed the researchers to have a first genome-wide look at a classic genetic phenomenon called "partial penetrance" ?whereby the same genetic mutations may elicit different results in diffe...

Researchers identify protein crucial for survival of Lyme-disease bacterium

...the BptA protein could give researchers additional clues as to how the organism has evolved to survive in ticks and why it has chosen a tick environment to be its natural vector in nature. "It potentially could give us a target for eradicating the bacterium, because if you understand what it needs to sust...

A human parasite with a streamlined mitochondrion

...iversity of Newcastle upon Tyne provide intriguing clues to the function of this enigmatic organelle. They show that the mitosome contains a single type of a protein, called a mitochondrial carrier, that in human mitochondria exists in many different specialized versions. In humans, these diverse carriers ...

Antiretroviral therapy may prevent excess risk of some cancers in people with HIV

...er in people with HIV/AIDS will redound to give us clues about cancer etiology to the benefit of all." Citations: # Article: Clifford GM, Polesel J, Rickenbach M on behalf of the Swiss HIV Cohort Study, Dal Maso L, Keiser O, Kofler A, et al. Cancer Risk in the Swiss HIV Cohort Study: Associations With Imm...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

...formation, animal studies can more quickly provide clues to the underlying mechanisms of damage and suggest ways to test new treatment or prevention strategies," said Benveniste. The imaging tools could also be used to assess the effects of therapeutic drugs, such as administering synthetic narcotics to p...

NASA links nanobacteria to kidney stones and other diseases

... However, the group's research provides additional clues to understanding NB and its link to pathologic calcification-related diseases. "Hopefully, eradication or treatment of these diseases will be possible in the near future. We need more research and support to solve this puzzle, but we feel that we ar...

Multiple Campylobacter Genomes Sequenced

...ving all these genome sequences may provide useful clues about why some bacteria cause human disease, how to control their spread, and how to treat the infections caused by them. By comparing genome sequences, scientists can learn much more about what makes a bacteria tick than they can learn from a single...

Scientists find fossil proof of Egypt's ancient climate

...the severity of winter, the snails actually reveal clues about the climate and environment of western Egypt, lo those many years ago. They also could shed light on the possible role weather and climate played in the dispersal of humans "out of Africa" and into Europe and Asia. Periods of substantially incr...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...greater levels in the mouth has allowed us to gain clues as to how P. gingivalis might be causing disease, and what we might be able to do with drugs or vaccines to prevent it,?said Richard Lamont, Ph.D., a professor of oral biology at UF’s College of Dentistry and study investigator. The National Institu...

Scientists discover that host cell lipids facilitate bacterial movement

...on. Our discoveries provide additional fundamental clues as how cells move." These findings may also open the door to using PI3-kinase inhibitors or other agents that lower PIP2 and PIP3 levels to slow the spread of Listeria and control infection in patients who are not responding to antibiotics, although...

Researchers find missing genes of ancient organism

...primitive organisms like Nanoarchaea operate gives clues to -- but not proof of -- the relationship between modern and ancient organisms. ### Other authors on the paper include Lennart Randau and Michael J. Hohn from Yale, and Richard Münch and Dieter Jahn from the Technical University Braunschweig, Germ...

BRCA1 causes ovarian cancer through indirect, biochemical route

... ovarian cancer," Dubeau explains. "So we had some clues that the cells that control the menstrual cycle-the ovarian granulosa cells-have an influence on ovarian cancer." But how? Was that influence direct, or indirect? Dubeau eventually got a handle on the problem by looking at ovarian cancer rates in ge...

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

...ell development--knowledgethat may one day provide clues about such neurological mysteries asautism spectrum disorder or attention deficit hyperactivity disorder. Totest her hypothesis, MBL scientist Carol Reinisch and her colleaguestreated developing surf clam embryos (Spisula solidissima) withdifferent ...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...ell development--knowledgethat may one day provide clues about such neurological mysteries asautism spectrum disorder or attention deficit hyperactivity disorder. Totest her hypothesis, MBL scientist Carol Reinisch and her colleaguestreated developing surf clam embryos (Spisula solidissima) withdifferent ...

Elusive HIV shape change revealed; Key clue to how virus infects cells

... in the Feb. 24 issue of the journal Nature, offer clues that will help guide vaccine and treatment approaches. Researchers led by Howard Hughes Medical Institute Investigator Stephen Harrison, PhD, and Bing Chen, PhD, focused on the gp120 protein, part of HIV's outer membrane, or envelope. gp120's job is...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...s molecule uses to get into human cellsmay give us clues to possible solutions to the problems that it maycause in various situations," Varki said....

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