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Biology RSS FeedsSaving the wild orchids of Borneo - Borneo (Kalimantan) is the third largest island in the world. It is rich with a variety of indigenous orchid species that grow in the forests. Borneo's rain forests are also home to some extremely rare species of orchids, all highly valued for their exotic aromas and aesthetic beauty. It has been estimated that 2500 to 3000 orchid species grow in the forests of Borneo. ...Feed Source: feeds.biologynews.net NIAID will not move forward with the PAVE 100 HIV Vaccine Trial - After soliciting and considering broad input from the scientific and HIV advocacy communities, the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH), has determined that it will not conduct the HIV vaccine study known as PAVE 100. However, NIAID believes the vaccine developed by its Vaccine Research Center (VRC) is scientifically intriguing and sufficiently different from previously tested HIV vaccines to consider testing it in a smaller, more focused clinical study. Therefore, NIAID will entertain a proposal for an alternative study with one specific goal: to determine if the vaccine regimen significantly lowers viral load?the amount of HIV in the blood of vaccinated individuals who may later become infected with HIV.
... Virulence factor that induces fatal Candida infection identified - Scientists here have found that certain substances from bacteria living in the human intestine cause the normally harmless Candida albicans fungus to become highly infectious.
... Fuel from food waste: bacteria provide power - Researchers have combined the efforts of two kinds of bacteria to produce hydrogen in a bioreactor, with the product from one providing food for the other. According to an article in the August issue of Microbiology Today, this technology has an added bonus: leftover enzymes can be used to scavenge precious metals from spent automotive catalysts to help make fuel cells that convert hydrogen into energy.
... AIDS 2008 - Mexico - Just a quick word to say that I probably won't be able to update the site daily in the next few weeks; it's vacation time in Cozumel (scuba diving!) and after that I'll attend the AIDS 2008 conference in Mexico (where I will present some results of my PhD). I'll do my best to keep the site updated, but internet access might be hard to find on a reliable basis. Thanks for your understanding!
... Tumor-inhibiting protein could be effective in treating leukemia - Angiocidin, a tumor-inhibiting novel protein discovered by Temple University researchers, may also have a role as a new therapeutic application in treating leukemia, according to a study by the researchers.
... Leatherback turtles' newly discovered migration route may be roadmap to salvation - With a name like "Leatherback Turtle" you might think the sea turtles could stand up to just about anything the ocean can throw at them, and for more than a hundred million years, they have. But tough, long-lived critters though they are, the population of leatherbacks in the eastern Pacific Ocean has plummeted by over 90 percent in the last 20 years.
... How birds spot the cuckoo in the nest - It's not always easy spotting the cuckoo in the nest. But if you don't, you pay a high price raising someone else's chick. How hosts distinguish impostor eggs from their own has long puzzled scientists. The problem remained largely unsolved while looking at it through our own eyes. It was only when people started thinking from the birds' perspective that they began to understand how hosts recognise a cuckoo egg in the nest. Marcel Honza from the Academy of Sciences of the Czech Republic explains that birds see UV wavelengths that are well outside our own visual range. Knowing that many bird eggs reflect UV wavelengths, Honza wondered whether altering the reflected UV spectrum of an egg would affect a bird's ability to recognise it as foreign and reject it. Would a blackcap recognise and evict an impostor egg if the reflected UV spectrum were different from the wavelengths reflected by the bird's own clutch? Teaming up with Lenka Pola?iková, Honza headed into a near-by forest to test... Gaining ground on sickle cell disease - Although sickle cell disease is a single-gene disorder, its symptoms are highly variable. In a study published online July 14 by the Proceedings of the National Academy of Sciences, scientists at Children's Hospital Boston and the Dana Farber Cancer Institute (DFCI), in collaboration with the Broad Institute of MIT and Harvard, report five gene variants that could potentially be helpful in predicting sickle cell disease severity, perhaps even leading to better treatment approaches in the future.
... NOAA and Louisiana scientists predict largest Gulf of Mexico 'dead zone' on record - NOAA-supported scientists from the Louisiana Universities Marine Consortium and Louisiana State University are forecasting that the "dead zone" off the coast of Louisiana and Texas in the Gulf of Mexico this summer could be the largest on record.
... Environmental pollutant has sex-skewing effect - Women exposed to high levels of PCBs (polychlorinated biphenyls ? a group of banned environmental pollutants) are less likely to give birth to male children. A study published today in BioMed Central's open access journal Environmental Health found that among women from the San Francisco Bay Area, those exposed to higher levels of PCBs during the 50s and 60s, were significantly more likely to give birth to female children.
... Kidney transplants less successful at night - Kidney transplants should be carried out during the day if possible. At least this is the conclusion suggested by a survey just published by urologists and internists at the University of Bonn (Transplantation Proceedings, vol. 40, p. 1341 ff.). Hence operations carried out at night require a further operation more than twice as often as other operations. Moreover, the risk of premature failure of the transplant is higher with operations taking place at night. The reason is probably that the surgeon is more alert and focused during the day. Particularly with a complicated procedure such as a transplant, surgical skill is a critical factor for success. Still, currently every third kidney transplant is performed at night, as donor organs should be as fresh as possible.
... Discovery -- marsupials and humans shared same genetic imprinting 150 million years ago - Research published in Nature Genetics by a team of international scientists including the department of zoology at the University of Melbourne, Australia, has established an identical mechanism of genetic imprinting, a process involved in marsupial and human fetal development, which evolved 150 million years ago.
... Stomach bug appears to protect kids from asthma, says NYU study - NEW YORK, July 15, 2008 ? A long-time microbial inhabitant of the human stomach may protect children from developing asthma, according to a new study among more than 7,000 subjects led by NYU Langone Medical Center researchers. Helicobacter pylori, a bacterium that has co-existed with humans for at least 50,000 years, may lead to peptic ulcers and stomach cancer. Yet, kids between the ages of 3 and 13 are nearly 59 percent less likely to have asthma if they carry the bug, the researchers report. The study appears in the July 15, 2008, online issue of The Journal of Infectious Diseases.
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