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Tag: "extra" at biology news

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

...f IGF2, everything is pretty normal except for the extra precursor cells," says Christine Iacobuzio-Donahue...or what otherwise appears to be a benign effect of extra IGF2." The team's analysis of colon tissue samples from a dozen or so Johns Hopkins patients with s...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...events are serious side effects in drugs, but with extra caution from physicians, this risk that we've identified can be managed, and that's the good news." Collaborations The research team also included Blake Anson, Ph.D., University of Wisconsin; Joel G.R. Weaver, M.D., Mayo Clinic and the University o...

Critical role in programmed cell death identified

...ocked survive, at least in the lab, with their 131 extra cells. Such studies are impractical in mammals because cell death is essential and animals with a cell death defect die. The researchers demonstrated that when they cause worm mitochondria to fragment without instructing cells to die, the cells stil...

Defenseless plants arm themselves with metals

...'s already resisting pathogens, why do you need an extra mechanism? There has to be more to it." It turns out the plants Salt studies - a group of small, weedy alpine flowers called Thlaspi - lack the standard pathogen defense mechanism found in nearly every other plant species. Thlaspi plants live in soi...

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

...ll known as Billy Idol, easily recognizable by the extra holes in his large ears. "He's got a lot of ear piercings, hence his name," she explains. Unlike the other males, whose trunks are frozen in midair, Billy Idol has placed his flat on the ground, the tip pointing inward toward his front feet. Billy an...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...man-caused nutrients in these special areas causes extra blooms of phytoplankton." Yaqui Valley agriculture To assess the impact of agricultural runoff on the gulf, the Stanford scientists turned their attention to one of Mexico's most productive coastal farming regions-the Yaqui River Valley, which drai...

Thai spice helps cut blood sugar swings

...u; slower is better." Besides the implication for extra sugar being stored (as fat) rather being used effectively, Dr. Agatston notes that with large sugar infusions, the body often produces too much insulin, which then lowers the blood sugar level. When that happens, he writes, "new cravings are created,...

Late peak may have prevented severe flu season from becoming worse

...ose most in need -- the elderly and children. This extra time could have been responsible for preventing many more people from becoming ill than would have been expected under the circumstances if the flu peaked at the same time it did the year before. ### To see a graph showing hospital CAP admissions f...

Deep thinking: Scientists sequence a cold-loving marine microbe

...at resist freezing, polyester compounds that offer extra energy reserves, protective solutes inside cells, and ordinary enzymes altered to function in chilly seawater. "Our goal was to compare C. psychrerythraea to a variety of bacteria that live at different optimal temperatures," remarks Barbara Methé, ...

Caloric restriction won't dramatically extend life span in humans: UCLA research

...nd life span. Phelan's conclusion is that the few extra years of life are not worth the suffering necessary to achieve them. "Do you want to spend decades severely limiting what you eat to live a few more years? You will be unhappy and then your life will end shortly after mine ends," Phelan jokes. Sci...

The genetic origins of corn on the cob

...t needed special alleles of ramosa1 to prevent the extra rows from forming branches instead of kernels," says Martienssen. "There may have been other reasons for selecting an unbranched ear, including the interaction with other genes that were subsequently lost during domestication, but we don't yet know i...

$6.5 Million Grant for Microarray Center at Yale School of Medicine

...t needed special alleles of ramosa1 to prevent the extra rows from forming branches instead of kernels," says Martienssen. "There may have been other reasons for selecting an unbranched ear, including the interaction with other genes that were subsequently lost during domestication, but we don't yet know i...

Pinpointing the cause of a neurodegenerative disorder

...eurodegenerative disorders can be caused by having extra copies of a normal protein, not just a mutated one...g theme in neurodegenerative disorders that having extra copies of a normal protein, not just a mutated one, can cause pathology. There have been observation...

Can't serve an ace? Could be muscle fatigue

...ring sport because the brain does not consider the extra effort required for movement, Monash University researchers have found. Professor Uwe Proske, from Monash's Department of Physiology, found when muscles were weakened from overuse or fatigue, limb control was affected, particularly if the person cou...

Slipping past the blood brain barrier: Research shows potential treatment for brain cancer

...lts. Researchers found that the P-gp system, an extra guardian located at the blood brain barrier that usually keeps anticancer drugs out of the brain, intercepted some of the JV-1-36 that was injected into mice but let much of it pass into the brain to treat cancer. "The blood brain barrier is set up ...

Mechanism regulating tooth shape formulation found

...eth than mouse teeth. Furthermore, these mice have extra teeth and sometimes adjacent teeth are fused. These results indicate that there is a delicate balance of induction and inhibition in determining tooth cusps and that ectodin is a key gene in this developmental control. The team confirmed the import...

Modification of program enables prediction of gene transcription

... known 6,000. "In the human genome, we found many extra exons on genes that were already known, or in some cases, spliced UTRs on genes that weren't even known to exist before," Brent said. The system takes advantage of the scarcity of the CG sequence, finding so-called CpG "islands" known to be more com...

New technique could alter field of mouse genetics

... in mouse embryos, even while carrying a couple of extra genes, the study shows. "This paper could be a very important advance," said Allan Spradling, an HHMI investigator at Carnegie Institution in Baltimore. "It really comes down to its application in practice -- how well it works, day in and day out. I...

High carbon dioxide levels spur Southern pines to grow more needles

...ery hard under water stress because they have they extra leaf area they are no longer able to support," she said. Much of the leaf volume information for her study came after she and others weighed basketfuls of needles that had fallen into collection baskets at the FACE site, she said. While those needl...

Water management in cells

...nd their cells. Plants, bacteria and fungi have an extra cell wall that provides the cell with additional protection. Animal cells, such as human cells, do not have this. They have developed other mechanisms, a number of which have been identified by Bas Tomassen. ...

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