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Tag: "strongly" at biology news

Research identifies protein that signals flowering in squash plants

... long distances through the phloem, but rather, it strongly influences the production of another substance (i.e. florigen) that does. Recent work in a number of laboratories has focused on a role for FT protein and/or FT mRNA as the florigenic signal, and evidence is building that the FT protein is responsibl...

Blood test may help signal tumor's remission, return in throat cancer patients

...hat sexual transmission of human papillomavirus is strongly associated with throat cancer, especially in cancers arising from the tonsils and base of the tongue. In the largest long-term study of its kind, NIH and University of Michigan researchers tested the blood of 30 patients who had undergone chemothe...

Math that powers spam filters used to understand how brain learns to move our muscles

...raffic Tuesday, Wednesday and Thursday and believe strongly that Friday will be just as bad,” says Shadmehr. E-mail spam filters operate on a similar principle; they predict which key words are “probably” attached to mail you don’t want and “learning” as they go to fine tune what they exclude from your in-box...

The insect vector always bites twice

...e in the world. African countries are particularly strongly hit. The expansion of Dengue fever and the recent epidemics of Chikungunya and West Nile disease illustrate the trend. The pathogens responsible for these diseases can be viruses, bacteria or protozoans which are passed on to humans by an arthropod ...

Brightening prospects of using fluorescent nanotubes in medical applications

...rs. But it has been very difficult to separate the strongly fluorescent SWNTs from all the rest in large quantities. Nanotube soot is insoluble in water. So researchers routinely mix it with special soap and give it a dose of ultrasound to break apart clumps of nanotubes and force them to dissolve. The resu...

Breakthrough developments in rheumatoid arthritis reported

...as also been able to show that certain markers are strongly linked to certain ethnic groups and others are not. “This will help us in figuring out what exactly is going on in this illness,” he said. “It’s pretty exciting.” Early on in the rheumatoid arthritis research game, when HLA popped out as a major...

Weizmann Institute scientists develop a general 'control switch' for protein activity

...up the protein. This segment is capable of binding strongly and selectively to a particular chemical drug, which affects the activity level of the engineered protein by increasing or reducing it. When the drug is no longer applied, or when it is removed from the system, the protein returns to its natural acti...

AAAS decries latest stem cell veto

...ppear to already be eligible for NIH funding. AAAS strongly believes that it is only through federal support o...ppear to already be eligible for NIH funding. AAAS strongly believes that it is only through federal support of diverse avenues of stem cell research, including...

'Smart' mice teach scientists about learning process, brain disorders

...slices from the knock-out mice responded much more strongly to an electrical stimulation, supporting the finding that the mice were more prepared to learn....

Technique monitors thousands of molecules simultaneously

...und receptor if it does not bind the molecular key strongly enough. But, with an electrochemically addressable computer chip, provided in great abundance by one of his sponsor's, CombiMatrix in Seattle, Moeller saw a way of probing the binding of a library with a receptor without the need for washing by putti...

Global survey of lizards reveals greater abundance of animals on islands than on mainland ecosystems

...ggests that those animals that move to islands can strongly affect the sensitive animal communities on islands.? In addition to their increased sensitivity to biological invasions, populations on islands are more vulnerable than those on the mainland to sea level rise and increased storm activity, which are...

Premature births may be linked to seasonal levels of pesticides and nitrates in surface water

...ture birth rate in the United States appears to be strongly associated with increased use of pesticides and nitrates, according to work conducted by Paul Winchester, M.D., professor of clinical pediatrics at the Indiana University School of Medicine. He reports his findings May 7 at the Pediatric Academic Soc...

Herpes infection may be symbiotic, help beat back some bacteria

...e genetically very closely related. The similarity strongly suggests that modern herpes viruses are likely descended from herpes viruses that infected evolutionary ancestors common to both mice and humans. "That means that for as long as we've been human, these viruses have been with us," he says. "In that...

Better health twice as likely for nonsmokers who live and work with smoking restrictions

...firms that household smoking restrictions are more strongly associated with better health status than workplace smoking restrictions. "As the policy environment continues to move toward comprehensive protection at the workplace, the household increasingly will become the main and perhaps the only significant...

Hives ferment a yeasty brew, attract beetle pest

...d not detect this level of IPA. "This indicates strongly that the heightened sensitivity of the beetles to volatiles released from the hive entrance allows them to key in on the bee colonies without bees responding to their attack," the researchers report. Complicating the issue is the yeast that grows in...

Studies force new view on biology of flavonoids

... they are without value, Frei said. They appear to strongly influence cell signaling pathways and gene expression, with relevance to both cancer and heart disease. "We can now follow the activity of flavonoids in the body, and one thing that is clear is that the body sees them as foreign compounds and is t...

Male owls pitch their hoots to advertise body weight to competitors

...ses). The results show that male owls respond more strongly to the high-pitched calls that simulate lighter individuals, confirming that territorial males attend to pitch information advertising body weight in the calls of their competitors. The authors also found that the territory owners give slightly lower...

Male-killing bacteria makes female butterflies more promiscuous

...ere we've shown that butterfly mating patterns are strongly determined by the killer bacteria. "Contrary to expectation, we also find that female promiscuity actually rises when male numbers are reduced. Greater numbers of female partners leads to fatigue in males. They start producing smaller sperm packa...

Mutation improves memory, may lead to memory-enhancing pill

...osta-Mattioli said. "Taken together, these data strongly support the notion that, under physiological conditions, a decrease in eIF2a phosphorylation constitutes a critical step for the activation of gene expression that leads to the long-term synaptic changes required for memory formation," the researcher...

Researchers identify gene involved in dog size

...rmone called insulin-like growth factor 1, is very strongly associated with small stature across all dog breeds studied. “We have been intrigued by the population structure of dogs, which over the years have been selectively bred, allowing us to more readily analyze the genetic causes of particular traits...

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Breaking Biology News(10 mins):Cancer therapy: Driving cancer cells to suicide 2Smithsonian scientists discover coral's best defender against an army of sea stars 2Plants prepackage beneficial microbes in their seeds 2
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