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Tag: "kind" at biology news

Analysis of flower genes reveals the fate of an ancient gene duplication

... such sequences appear within the chromosome. This kind of preserved gene order is known as genome synteny. In the new work, researchers have used synteny to clarify the evolution of genes essential for the development of floral reproductive organs, stamens and carpels. The subjects of their work were tw...

Gene therapy to lower blood pressure just enough

...erate more ANP. In previous studies, however, this kind of gene reduced blood pressure to dangerously low ... by O'Malley and his colleagues combines a special kind of adenovirus altered so it does not produce disease connected to a gene regulatory system turned on...

New Lab Research May Help Those Deafened By Immune System Attack

...and nearly all improved with steroids. Since this kind of rapid-onset hearing loss has historically been excluded from the formal definition of AISNHL, Carey suggests the definition may need re-examining in light of this strong evidence for an immune-system cause in these patients. In addition to Carey,...

Sleeping beauty plays a significant role in identifying cancer genes

...il," he said. "This is important because no single kind of cancer is going to be cured by one drug; it is going to take a combination of drugs to attack the pathways that are required for cancer to start and continue growing." The next step for Largaespada, Jenkins, Copeland and their colleagues will be ...

Why do aneurysms form? New studies suggest leading role for white blood cells

...eening and adequate monitoring of known AAAs, this kind of treatment is badly needed." Upchurch and his colleagues performed the research in the Conrad Jobst Vascular Research Laboratories, part of the Section of Vascular Surgery in the U-M Medical School. They were funded by the National Institutes of H...

Research suggests fitness of Florida panthers improved by limited breeding with Texas animals

...d in an interview. "A lot of scientists said this kind of genetic rescue would not work. They said if a species is rare, and its range is restricted, just adding individuals from the outside is not going to work. Some thought it would be a waste of time, a waste of money." Pimm was himself skeptical abo...

Geckos: It's not always about sex

...t of a surprise because a similar study of another kind of parthenogenetic lizard from the deserts of the United States showed the opposite pattern." Added Autumn: "If there was an Olympic team of Bynoe's geckos, there wouldn't be a single male on it. These geckos outperform their sexual relatives by 50 ...

Taking a flying jump

...n to jump rather than to fly out of the way. "This kind of low-power decision-making could be of interest to those building autonomously navigating robots", according to Gwyneth Card of the California Institute of Technology, who will be presenting her work on triggered escape response at the Society for ...

Helping in a selfish world

...so observed that other unrelated helpers work as a kind of rent payment," says Stiver. Like in a commune or a kibbutz where non-relatives work together to achieve a common goal, these helper fish donate their time and energy to the group in exchange for the safety of living within the group. In a sense, ...

World-first technology enables study of ancient bacteria

... a high-pressure system, which is the first of its kind in the world. Using titanium and stainless steel alloys, and sapphire windows, the Centre's experts have built an isolation system, as well as a special cutting chamber to enable scientists to take precise sediment samples and grow bacteria from the...

Monkeys understand numbers across senses

...e question has been whether an animal without that kind of language based representation can still notice or represent these commonalities." According to Jordan, their research team is planning future studies that will use the same experimental design to explore whether human infants have the same cross-...

Results of world's first gene therapy trial for arthritis show approach safe, feasible

...or IL-1 Ra. Because it was the first trial of its kind and safety was a key concern, the protocol was designed so that the gene would be delivered to cells that had previously been removed from patients and then, after gene transfer, reintroduced several weeks later after intensive screening and determin...

The roots of civilization trace back to ... roots

... of Human Evolution. "You can think of roots as a kind of 'conveyor belt' ... they were somewhat available in the forest, but abundant on the savannah," said Laden. "Once roots were 'discovered,' chimp-like creatures would not only be able to survive on the savannah, but may well have been compelled to e...

“Hitchhiking?Viruses as Cancer Drug Delivery System

... of Human Evolution. "You can think of roots as a kind of 'conveyor belt' ... they were somewhat available in the forest, but abundant on the savannah," said Laden. "Once roots were 'discovered,' chimp-like creatures would not only be able to survive on the savannah, but may well have been compelled to e...

Genomics researchers discover protein deficit that causes drug toxicity

...nding is surprising because the aggresome is a new kind of mechanism to study to explain this. It's quite different from what we were thinking even a few years ago," says Liewei Wang, M.D., Ph.D., lead Mayo researcher in the study. "People are still debating what its function really is, but it appears to ...

Researchers find how some antibiotics kill bacteria

...elp explain why bacteria that are resistant to one kind of rifamycin antibiotic might still be sensitive t...symbiotic bacteria parasites depend on. "It's the kind of drug the pharmaceutical business wants to produce," Artsimovitch said. "They're looking for the b...

Scientists create digital bacteria to forge advances in biomedical research

...y strain, which one is going to win, and with what kind of speed?" ...

Computer modeling reveals hidden conversations within cells

...xperiments with living cells. "The beauty of this kind of interdisciplinary work is the almost circular way the model's predictions drive the design of new experiments, and the how results of those experiments can be fed back into the model to improve it," said Shannon Werner, a graduate student in chemi...

DNA from feathers tells tale of eagle fidelity

...of individual birds over a six-year period." This kind of monitoring is essential to conserving rare or endangered species, said Todd Katzner, director of conservation and field research at the National Aviary in Pittsburgh and a study co-author. "You can't conserve a population unless you know how big ...

MSKCC researchers uncover structure of key protein complex in cells

.... E2 links SUMO to target molecules, while E3 is a kind of chemical marriage broker, bringing targets close enough to SUMO to facilitate binding. "E3 activities are somewhat mysterious," Dr. Lima said. "They stimulate conjugation, but how they do so remains unclear. A major advance in this study was the ...

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