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Gray wolves maintain the food chain in winter

...ange, reproductive success, and seasonal phenomena like migration. But, in a new study from the open-acces... help species adjust to major environmental shifts like climate change. Crucially, Wilmers and Getz's study shows that a robust food chain - including this ...

Computational Method Speeds Mapping of Cell Signaling Networks

...t experimental and computational methods that "fit like a hand in a glove,"--by mapping a well-studied sig... the past, scientists have treated signal networks like a puzzle--studying them one pathway at a time and then tying the information together to construct a...

GeneNotes - A novel information management software for biologists

...em; I didn't have time to try it yet, but it seems like it could help. Nothing revolutionnary judging from the tutorial videos, but still, its a step in the right direction. I encourage you to try it and share your experience in the forum (if you don't want to register) or in the comments section. ...

Glow-in-the-dark zebrafish at UH hold keys to biological clocks

...such things as sleep disorders or mental illnesses like depression." Per3 is the naturally occurring clock-regulated gene. The protein that it encodes is produced at highest levels near dawn, and when the luc gene is inserted into it, the luciferase protein is produced in a similar way. The result is tha...

Microbial fuel cell: High yield hydrogen source and wastewater cleaner

...carbohydrate-based biomass for hydrogen production like conventional fermentation processes. We can theoretically use our MFC to obtain high yields of hydrogen from any biodegradable, dissolved, organic matter -- human, agricultural or industrial wastewater, for example -- and simultaneously clean the was...

Newly discovered pathway might help in design of cancer drugs

... pathway in detail. "Exposing DNA to radiation is like hitting a fine piece of crystal stemware with a ha..., and looking for a particular chemical pathway is like looking for a needle in a haystack," the chemist explained. "What we did was more like carrying out ...

Buying Time Through Hibernation on Demand

... the process at will with no ill effects may sound like science fiction, dozens of documented cases exist of humans surviving prolonged hibernation-like states with no lingering physical or neurological damage. For example: * In May 1999, a female Norwegian skier was rescued after submersion in icy water...

U-M team recovers ancient whale in Egyptian desert

... the process at will with no ill effects may sound like science fiction, dozens of documented cases exist of humans surviving prolonged hibernation-like states with no lingering physical or neurological damage. For example: * In May 1999, a female Norwegian skier was rescued after submersion in icy water...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...We humans are built to experience magical feelings like love, but our findings don't diminish the magic in...ard and motivation regions. To emotion researchers like me, this is pretty exciting because it's the first physiological data to confirm a connection betwee...

To control germs, scientists deploy tiny agents provocateurs

...ers because of their stupefying capacity to behave like a "super-organism" that vetoes the normal characteristics of a bacterial cell in favor of new group behaviors. "It's amazing that such simple organisms as bacteria can form these super-colonies that work together in such sophisticated ways," says Bla...

Researchers make gains in understanding antibiotic resistance

...h-resolution structural data, but these ribosomes, like those from eukaryotes, are resistant to most MLSBK...ll another binding site that can be targeted. It's like multiple drug therapies for HIV, in which the drugs attack several sites at once. And if the virus m...

Disease diagnosis, biodefense among UH chemical research projects

...uencing and making DNA-based vaccines for diseases like Ebola and HIV. ### For more information about the ACS meeting and to access a schedule of presenters and presentations, visit http://acswebcontent.acs.org/nationalmeeting/sd05/index.html. ...

First frozen egg baby born in Canada

...ily and for fertility health research and we would like to congratulate the parents on the birth of their first child." The mother, a 26-year-old patient of the McGill Reproductive Centre, had suffered from infertility for two years. Initially, she planned to undergo treatment with ovarian stimulation an...

Solutions that reduce death of marine life reeled in by International Smart Gear Competition

... valuable at market. "Reducing wasteful practices like bycatch is essential to the health of our oceans and a win-win proposition for fishermen, fish stocks and our marine ecosystems," said Malcolm McNeill, a judge for the International Smart Gear Competition and vessel manager of global fishing company ...

Scientists identify genetic pathways essential to RNA interference

...ngle gene. Promising targets could include viruses like HIV and hepatitis C or cancer-causing oncogenes. An RNAi-based treatment for age-related macular degeneration is already in clinical trials." Ruvkun is a professor of Genetics at Harvard Medical School. RNAi was originally identified in the C. elega...

Revolutionary nanotechnology illuminates brain cells at work

...ease processes and construct new drugs." "FRET is like two musical tuning forks, which have the same tone," Okumoto continued. "If you excite one, it gives a characteristic tone. If you bring the second fork close to the first one, it will also start to give you a tone even though they do not touch. This...

Two are better than one

...tors towards each other until they collapse inward like overloaded laundry lines. The stressed receptors become engulfed by the cell, and thus cease signaling. In response, the cell halts growth and, when chemotherapy is used in combination with the immunotherapy, it dies. According to Sela, the study sh...

Discovery may lead to better Candidiasis drug

...e its volume. The binding action of histatin acts like a "foot in the door," said Edgerton, UB research associate professor of oral biology in the UB School of Dental Medicine and senior author on the study. "Blocking the channel open allows a lethal unregulated flow of potassium and other essential mole...

Defenseless plants arm themselves with metals

...ver, these plants are defenseless against diseases like powdery mildew, a common fungal infection that mos...pound and the active ingredient in pharmaceuticals like aspirin and acne medications - governs this pathway. When faced with a fungus or bacteria, most pla...

Yeast Network Prevents Damage By Oxygen Radicals

...ections we've found might point to new strategies, like dietary supplements, that will alleviate some of the clinical symptoms of human diseases associated with genetic deficiencies of DNA damage responses." ...

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