News tagged with genetic interaction
Resistance to antibiotics: When 1+1 is not 2
Jul 24, 2009 |
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The evolution of multiple antibiotic resistances is a global and difficult problem to eradicate. Isabel Gordo, a group leader at the Instituto Gulbenkian de Ciência (IGC), Portugal, reports in the paper published in the latest ...
Sons or daughters? Female finches use head colour to decide
Mar 19, 2009 |
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(PhysOrg.com) -- Researchers studying the behaviour of the stunningly coloured Gouldian finch have made an exciting discovery - females of the species deliberately overproduce sons when breeding with a male ...
Developing fruit fly embryo is capable of genetic corrections
Mar 10, 2009 |
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Animals have an astonishing ability to develop reliably, in spite of variable conditions during embryogenesis. New research, published in parallel this week in PLoS Biology and PLoS Computational Biology, ...
GIANT-Coli: A novel method to quicken discovery of gene function
Biology /
Aug 07, 2008 |
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Think researchers know all there is to know about Escherichia coli, commonly known as E. coli? Think again. "E. coli has more than four thousand genes, and the functions of one-fourth of these remain unknown," says Dr. Deborah ...
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Taming the flu: Researchers create map of interactions between flu virus and its human host
14 hours ago |
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(PhysOrg.com) -- There is no lack of worry this season over the flu, both the seasonal and H1N1 varieties, but there is a critical lack of understanding of the viruses that cause these illnesses. For years, ...
Scientists suggest certain genes boost chances for distributing variety of traits, drive evolution
Dec 14, 2009 |
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Genes that don't themselves directly affect the inherited characteristics of an organism but leave them increasingly open to variation may be a significant driving force of evolution, say two Johns Hopkins scientists.
Ovaries must suppress their inner male
Dec 10, 2009 |
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For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...
Genetic variations indicate risk of recurrence, secondary cancer among head and neck cancer patients
Dec 07, 2009 |
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Eighteen single-point genetic variations indicate risk of recurrence for early-stage head and neck cancer patients and their likelihood of developing a second type of cancer, researchers at The University of Texas M. D. Anderson ...
Biology of emergent Salmonella exposed
Nov 30, 2009 |
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Researchers have characterised a new multi drug resistant strain of Salmonella Typhimurium that is causing life-threatening disease in Africa.
Imaging study shows HIV particles assembling around its genome
Medicine & Health / HIV & AIDS
Nov 17, 2009 |
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(PhysOrg.com) -- The genesis of one the planet's most lethal viruses, HIV, has been caught on tape. New imaging experiments show individual HIV genomes -- strands of RNA — docking on the inner membrane of an infected cell ...
Nanoparticles used in common household items caused genetic damage in mice
Nanotechnology / Bio & Medicine
Nov 16, 2009 |
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Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
In the war between the sexes, the one with the closest fungal relationship wins
Nov 10, 2009 |
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The war between the sexes has been fought on many fronts throughout time -- from humans to birds to insects, the animal kingdom is replete with species involved in their own skirmishes. A recent study by Dr. Sarah Eppley ...
New imagining technique could lead to better antibiotics and cancer drugs
Nov 09, 2009 |
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A recently devised method of imaging the chemical communication and warfare between microorganisms could lead to new antibiotics, antifungal, antiviral and anti-cancer drugs, said a Texas AgriLife Research scientist.
Study finds lack of VEGF can cause defects similar to dry macular degeneration
Nov 02, 2009 |
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Scientists at Schepens Eye Research Institute have found that when the eye is missing a diffusible form of vascular endothelial growth factor (VEGF), i.e. one that when secreted can reach other cells at a distance, the retina ...
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