Tag: "transition" at biology news

Newly identified master gene key in baby's first breath

...e surfactant production, which is required for the transition from the womb to breathing air and to protect the lungs from disease, bacterial infection and other disease and injury," Dr. Whitsett said. Foxa2 has an important role in the development of surfactant. It resides in the respiratory epithelial c...

Researchers ID chlorophyll-regulating gene

... such as wheat and corn - must have the ability to transition from the darkness of an underground environment to life above ground. "The development of seed burial in plants provided a long-term survival benefit through protection from predators and hostile surface conditions," said Quail. "The true...

UAF scientists discover new marine habitat in Alaska

...ortant niche in the marine ecosystem, serving as a transition habitat between rocky areas and barren, sandy areas. Rhodoliths provide habitat for a wide variety of species, from commercial species such as clams and scallops to true corals. The discovery of rhodoliths in Alaska is likely to fuel the debate over ...

Joslin researchers clarify mechanisms for beta-cell formation

... regulate the process of epithelial-to-mesenchymal transition will have therapeutic implications for both type 1...ing one or more proteins involved in this critical transition process may allow us to enhance the ability of beta cells to replicate in the body or to formulate m...

There and back again

...ashi et al. focused on this mesenchymal-epithelial transition to study how mesenchymal cells known for their formlessness are able to make the transition to become highly organized epithelial cells. They used a method that they had previously developed f...

Two Virginia Tech energy-related inventions win R&D 100 awards

...lti-university, multi-industry effort to speed the transition from research to products. "We owe a debt of gratitude to Mr. Strickler for his help seeding this collaborative effort," says McGrath. Down hole sensors improve oil reservoir knowledge, oil production efficiency According t...

Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2004

... see them as an energy source that could provide a transition to a hydrogen-based economy. Of more immediate concern is the hazard these deposits pose to gas and oil drilling operations in deep marine and onshore Arctic settings. Gas kicks, blowouts and fires result when workers penetrate pockets of gas hydrate...

What actually influences air pollution over the Indian Ocean?

...monsoon period, but is polluted during the monsoon transition periods by pollution plumes from Africa and Southe...tween the summer and winter monsoons - the monsoon transition periods. Nitrogen oxide (NOx = NO + NO2) is an important component of tropospheric chemistry, which ...

Cleaner water, more efficient electricity among UH chemical research

... Thummel, professor of chemistry, will discuss how transition metal complexes are being designed and synthesized... elaborate on Thummel's research, particularly how transition metal complexes assist in the direct conversion of sunlight into electricity. A schedule of the p...

Progress in breast cancer progression

...ors showed that NF-kB is essential for the initial transition stage called epithelial-mesenchymal transition, wh...issues. Using a cell line that would undergo this transition when given a growth factor, the authors showed that when NF-kB activity was blocked, these cells cou...

JCI table of contents, 16 August, 2004

...ors showed that NF-kB is essential for the initial transition stage called epithelial-mesenchymal transition, wh...tissues. Using a cell line that would undergo this transition when given a growth factor, the authors showed that when NF-kB activity was blocked, these cells cou...

Gene duplication allowed pigs to have more babies

...docrinology that enabled these animals to make the transition from small to large litter sizes. However, the multi-disciplinary analysis does go some way towards explaining why natural selection would have favoured pigs with multiple aromatase genes. Dr Benner writes: "Natural history offers biological chemist...

Evolution of whale hearing unfolds in fossil record

...in whales' outer and middle ears, required for the transition from a land-based to a marine-based existence," said Rich Lane, director of the National Science Foundation (NSF)'s geology and paleontology program, which funded the research. The findings are published in the Aug. 12 issue of the journal Nature . ...

The telomere crisis: A crucial stage in breast cancer

... breast cancers. Second is where it occurs: at the transition from hyperplasia to carcinoma in situ." These fin...t to possible ways of stopping cancer by derailing transition through the telomere crisis (rare as successful transition is): by using drugs that maintain the cel...

Small animal imaging gives cancer clues

...he DCIS-like lesion, but we can detect theearliest transition to an invasive tumor," Borowsky said. The modelcould be used to test treatments that would slow or stop thattransition in human patients, as well as to ask basic questions abouthow cancers develop....

U-M scientists find common virus in human prostate tissue

...ults do suggest that the virus plays a role in the transition from normal to uncontrolled growth of prostate cells." BK is a human virus in the polyomavirus family. It was first discovered in kidney transplant patients who take immunosuppressive drugs to prevent their body from rejecting a new kidney. Scient...

Growth study of wild chimpanzees challenges assumptions about early humans

...baseline for discussion of hominid origins and the transition from ape ancestors to hominids. The eruption of teeth mark other life events, such as completion of brain growth (90 to 95 percent of brain growth is complete when the first permanent molar erupts) and life-history stages like infancy, juvenile, and...

Funding to commercialize technologies of UC San Diego engineers tops $1.2 million

...the part of faculty in this mechanism to speed the transition of their technologies from the lab to the marketplace," said Joe Bear, executive director of the von Liebig Center. "All 18 applications showed great promise. Now, our staff and advisors will work with all the applicants - including those who did not...

In the obese, metabolic adaptations post-weight loss lead to regaining of shed pounds

...first conclusion reached from the data is that the transition from the pre-obese to the obese state is accompanied by an increase in metabolic rate and metabolic efficiency but little alteration in the utilization of fuels outside of that explained by the variation in the type and amount of diet consumed. The...

Oxford Journals takes bold step towards free access to research

... feedback and desire to support the journal in its transition encouraged us to adopt a model where buying instit... feedback and desire to support the journal in its transition encouraged us to adopt a model where buying institutional memberships would keep the cost of author ...

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