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Tag: "relatives" at biology news

Timing is everything: First step in protein building revealed

...ructions. Even though yeast are the most primitive relatives ofhumans, the protein-building machinery, or ribosomes, of each are quitesimilar. "Theidea is to really know at the molecular level how life is puttogether," says Jon Lorsch, Ph.D., professor of biophysics andbiophysical chemistry, one of the depart...

Marburg haemorrhagic fever in Angola update

...suited in protective gear, are seen as taking away relatives and loved ones who may never again be seen alive. WHO staff in Uige have today reported further signs that community attitudes are improving, though hostility towards the mobile teams remains of concern in one area known to have recent cases and dea...

Anammox bacteria produce nitrogen gas in oceans' snackbar

... (Kuypers et al., 2003 Nature 8 April). Like their relatives in the Black Sea, the Namibian anammox bacteria contain unique ladder molecules (Damsté et al., Nature 17 October 2002) in the membrane surrounding a special prokaryotic organel in which ammonium is converted to nitrogen gas. These ladder molecules a...

Study reveals candidate targets for anti-retroviral therapeutics

...genetic elements that are non-pathogenic molecular relatives of retroviruses. In budding yeast, these mobile elements (called Ty ?or transposable yeast ?elements) encode proteins that are homologs of retroviral proteins. The proteins encoded by Ty elements and the steps of the life cycle in yeast are similar t...

The biggest family tree ever

...ants who want to find out about a whole new set of relatives can do so by disclosing their names to Family Tree DNA and then plan their biggest family reunion ever. Websites: The Genographic Project Michael F. Hammer Arizona Research Laboratories BIO5 Family Tree DNA ...

Sugar beet virus mutation requires Texas touch

...cations they may have some resistance in some wild relatives of sugar beets, he said. Advanced lines identified with potentially high levels of resistance will be planted in test plots in the sugar beet growing regions. When these lines become available to producers and allow them to grow beets at a profit, t...

NHGRI targets 12 more organisms for genome sequencing

...ipennis, is a natural enemy of houseflies, and its relatives are natural enemies of ticks, mites, roaches and other arthropods. It is the genetic model for parasitoids, which lay their eggs on and kill arthropods, thus controlling pest populations. In the United States, the use of parasitoid wasps in agricultu...

Primates on the brink

...habitat. "More and more, mankind's closest living relatives are being cornered into shrinking areas of tropical forest," said CI President Russell A. Mittermeier, who also chairs the IUCN-SSC Primate Specialist Group. "This is especially true of Madagascar, one of the planet's biodiversity hotspots that has l...

Fungus-farming termites descend from an African rain forest Eve

...tion densities than each of their non-agricultural relatives can alone. Furthermore, besides their agricultural proficiency, fungus-farming termites resemble humans in another respect: just like the human female ancestor was African, so was the 'Eve' of fungus-growing termites, and just as humans later migrate...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

... $30 million action plan to save mankind's closest relatives A combination of natural and man-made threats is ...special programs to save some of mankind's closest relatives from disappearing. An action plan drafted by more than 70 primatologists and other experts who met ...

Discovery of an American salamander where it shouldn't be: Korea

...genera of flowering plants in Asia also have close relatives in the eastern U.S. After Karsen found the salamander and was unable to identify it, he approached amphibian specialists M. S. Min of Seoul National University and S. Y. Yang of Inha University in Incheon, as well as his former college professor, Ri...

Scientists focus on 'dwarf eye'

...ee, the researchers discovered that several living relatives also suffered from nanophthalmos, and four deceased relatives had been part of the classic Johns Hopkins Bloomberg School of Public Health study in the 1970s that...

Hopkins scientists uncover 'tags' that force proteins to cell surface

... that order. "This particular tag and its closest relatives actually mark normal proteins for delivery to the cell surface," says Li. "In some diseases, a protein that should be on the cell surface isn't, and in the lab, sometimes it's proven impossible to get a protein to the cell surface in order to study i...

Proposal would allow wild animals to roam North America

... large mammals, mostly from Africa, that are close relatives or counterparts to extinct Pleistocene-period animals that once roamed the Great Plains. The plan, which is called Pleistocene rewilding and is intended to be a proactive approach to conservation, would help revitalize ecosystems that have been comp...

Digging in the dirt for life's biochemical foundations

...ilaments. But collectively, these spindly mushroom relatives help move several billion tons of nutrients out of the soil and into plants each year. Now, new Michigan State University-supported research on the movement of nitrogen brings into sharper focus this underground process at the root of nearly all of E...

Geckos: It's not always about sex

...e male on it. These geckos outperform their sexual relatives by 50 percent. They are the 'Xena: Warrior Princess' of the lizard world." Article: "Increased Capacity for Sustained Locomotion at Low Temperature in Parthenogenetic Geckos of Hybrid Origin" Physiological and Biochemical Zoology, 78(3), May/June 20...

Helping in a selfish world

...operation using the idea of kin selection. Help to relatives (who share your genes) makes sense if it means you...ry your genes into the next generation. Therefore, relatives are expected to help more. However, in a study published today in the Proceedings of the Royal Socie...

Gene for immune deficiency syndromes found

...TACI mutations were studied further, and all 4 had relatives with the same mutations. Eleven of the 12 identified relatives with TACI or IgA deficiency reported a history of recurrent infections and were found to have low le...

Protein amplification in melanoma is possible drug target

...TACI mutations were studied further, and all 4 had relatives with the same mutations. Eleven of the 12 identified relatives with TACI or IgA deficiency reported a history of recurrent infections and were found to have low le...

North & South American researchers find architectural abnormalities in T. cruzi ribosome

...The findings may also advance studies of parasitic relatives Trypanosoma brucei, which causes sleeping sickness in Africa, and Leishmania, a parasite spread by sand flies. Higher resolution models of the ribosome structure will be needed to design targeted drugs, Frank said. ...

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