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Tag: "traditional" at biology news

PLoS Medicine publishes first trial of effect of male circumcision on HIV infection

...lower among African groups where circumcision is a traditional practice, compared with largely non-circumcised po...s, especially if performed by medical personnel or traditional healers without proper training. Moreover, immediately after circumcision, men may be at a higher ri...

New classification of eukaryotes has implications for AIDS treatment, agriculture and beyond

...s 6 major clusters of organisms, rather than the 4 traditional Kingdoms. Here are three examples. 1) Pneumocyst...and Mesomycetozoa; 2) the Amoebozoa, grouping most traditional amoebae, slime moulds, many testate amoebae, some amoebo-flagellates, and several species without mi...

Biotech cotton 8: Bugs 0

...ntinued efficacy is the use of refuges ?patches of traditional cotton intermingled with the fields of Bt cotton. The refuges ensure that the few pink bollworm moths that are resistant to Bt are most likely to mate with Bt-susceptible pink bollworm moths that grew up in the refuges. The offspring from such matin...

Give thanks for the cranberry, say dental researchers

...ed potatoes, rolls, and pumpkin pie. He recommends traditional measures to avoid cavities: Brush your teeth after dinner, don't snack often, stay away from sugary foods, use a mouth rinse, and get regular dental checkups. ...

New genetic test can detect clam disease

...hreshold varies among clam strains. Smolowitz uses traditional microscopic examination of tissues to determine if clams are sick. Gast's genetic test can now also be used to ensure clams without visible symptoms are not carrying the disease. With the disease spreading along the East Coast and no cure, the res...

Mouse genome much more complex than expected

...me aspects have completely overturned geneticists' traditional assumptions. The findings are available in the pre...y one specific protein ?this at least has been the traditional doctrine. Three years ago the DNA of the mouse was completely sequenced. An international research...

Researchers offer proof-of-concept for Altered Nuclear Transfer

...t and versatile as stem cells procured in the more traditional fashion. "The success of this procedure in no way precludes the need to pursue all forms of human embryonic stem cell research," says Jaenisch, who is also a professor of biology at MIT. "Human embryonic stem cells are extraordinarily complicated. ...

Small molecule inhibitor of cholera discovered

... of antibiotic against the cholera bacteria. While traditional antibiotics kill bacteria outright by interfering with processes essential for their survival, the new agent blocks production of bacterial proteins that cause the severe diarrhea associated with Vibrio cholerae infection. "What we have done is mad...

University of Delaware researchers develop cancer 'nanobomb'

...move tumors in areas previously inaccessible using traditional treatment methods. Panchapakesan said the team' TM s findings are the result of interdisciplinary research. "Different sciences come together to make this work," he said, citing cancer biology, physics, electrical and computer engineering and chem...

New view of cancer: 'Epigenetic' changes come before mutations

...tchinson Cancer Research Center, suggests that the traditional view of cancer as a group of diseases with markedly different biological properties arising from a series of alterations within a cell's nuclear DNA may have to give way to a more complicated view. In the January issue of Nature Reviews Genetics, ava...

Viagra's hidden help for wildlife

Chinese men spurn traditional virility medicines Chinese men are selectively switching from traditional Chinese medicine (TCM) to Viagra to treat erectile dysfunction, but sticking with tradition for ailm...

Same-sex mating by fungi spawned infection outbreak, evidence suggests

...resulted from same-sex mating, Heitman added. In a traditional sexual cycle, all alpha progeny inherit identical alpha genes from their alpha parent. However, the mating type locus of the two strains from Vancouver Island both of the alpha mating type -- differed at numerous sites, they found. "Sex within the ...

Penn Surgeons Use Completely Robotic Surgery to Successfully Treat Prostate Cancer

...ns the direct, “intuitive?control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and finger movements at the console into corresponding micro-movements of laparoscopic surgical instruments inside the patient’s body. Penn has been using ful...

Scientists learn to predict protein-stabilizing ability of small molecules

...ns the direct, “intuitive?control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and finger movements at the console into corresponding micro-movements of laparoscopic surgical instruments inside the patient’s body. Penn has been using ful...

New battery technology helps stimulate nerves

...chemists, says West, have numerous advantages over traditional lithium battery chemistry. "They're very flexible. They don't solidify. They're stable, nonflammable, non-toxic and they pose no threat to the environment," says West, an international authority on silicon chemistry. Silicon, the stuff computer chip...

Penicillin, amoxicillin: Step aside for strep throat treatment

...urse of the newer drugs is more effective than the traditional 10-day dose of the older antibiotics. Pediatricians at the University of Rochester Medical Center found that 25 percent of children treated for strep throat with penicillin ended up back in the doctor's office within three weeks of treatment. Childr...

Changes to embryos can elicit change in adult fish

...of the jaw increased. "This experiment fuses the traditional disciplines of developmental genetics and evolutionary biology," said Streelman. "We've demonstrated that important functional differences operating in adult organisms are elicited by changes in early development. Our next goal is to understand the g...

DNA technique measures suitability of soil for onion crops

...olecular test had a higher detection rate than the traditional microscopic investigation for both the stem nematode and onion white rot. Each year thousands of soil samples are investigated for their suitability for onion crops. They are examined for the presence of the nematode Ditylenchus dipsaci (the stem n...

Worms know bad food when they smell it

...on toward food they had found to be safe. With the traditional experimental set-up, where worms migrate toward either of two types of bacteria growing on opposite sides of a lab dish, this was impossible to discern, Bargmann said. Hang Lu, a postdoctoral fellow in Bargmann's lab, used her engineering expertise...

Health of Acehnese reefs in the wake of the tsunami shows human impacts more harmful

...cted Area on Pulau Weh and reefs managed under the traditional Acehnese system of Panglima Laut, coral cover was high. In contrast, reefs exposed to destructive fishing had low coral cover and high algal cover, a change that the tsunami may exacerbate in bringing an influx of nutrients and sediments. However, th...

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