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Tag: "insight" at biology news

Clocking in Pillow Time without the Pillow

...lled positron emission tomography, or PET, to gain insight into CX717's neurobiological role. The PET signal reflected the distribution and rate of metabolism of ingested radioactively labeled glucose in the monkeys' brain cells. By measuring regional brain glucose metabolism, the researchers determined that...

Genetic analysis of cavefish reveals more about evolution

A multi-institutional study offers additional insight into the evolutionary process by examining how albinism evolves in cavefish. Researchers, including New York University Biology Professor Richard Borowsky, examined two populations of Mexican cavefish and found that albinism in both populations was ...

New understanding of regeneration gained by Forsyth scientists

...n, underlies principles that can potentially offer insight into human regeneration. The restoration of body structures following injury requires both an initiation of growth and an imposition of the correct morphology upon the regenerating tissue. Understanding this process is crucial for both the basic bio...

How Fruitflies Know It's Time for Lunch

...nd Christoph Melcher used genetic analysis to gain insight into the adult and larval neural networks that use taste information to regulate eating. Specifically, they found that several types of neurons responsible for coordinating taste signals express the gene hugin (hug), a gene linked to abnormal eating ...

The dangerous legacy of lead

...teria, viruses and other bugs. The discovery adds insight to the latest trend in lead research, as scientists shift their emphasis from the immediate public health threat to understanding the long-term burden on the body, said Michael McCabe Jr., Ph.D., associate professor of Environmental Medicine at the U...

Same-sex mating by fungi spawned infection outbreak, evidence suggests

...s said their findings provide important additional insight into the origin of the Vancouver Island outbreak, which began in 1999. Moreover, the evidence that sex played an important role in the pathogen's expansion may provide a useful model for the evolution of infectious diseases and parasites more general...

Zooming in on the protein-conducting channel

...?arrangement. This arrangement yielded significant insight into how the channel functions to translocate proteins across or into membranes, said Frank. “Now that we have these new insights into the architecture of the PCC in its translocating, and possibly non-translocating state, we can explore the mechani...

New study examines how sense of smell affects mating and aggression in mice

...which regulates the sense of smell--should provide insight into the fundamental principles that mammalian brains use to transform sensory information into behavior," says lead investigator Nirao Shah, MD, PhD, UCSF assistant professor of anatomy. "There are striking genetic and neuroanatomic similarities be...

SLU researchers uncover direct evidence on how HIV invades healthy cells

...undefined," said Sibes Bera, Ph.D. "Therefore, any insight into the molecular mechanism of this process is significant in developing integrase inhibitors." Integrase, which was discovered by SLU researchers in 1978, is one of three HIV proteins crucial to the infection's survival. The first protein, revers...

Genetic defenders protect crops from fungal disease

...tifying these genes has provided us with the first insight into how plants defend against multiple pathogens." Once a powdery mildew infection takes hold, it covers the plant with fuzzy splotches, while sapping precious nutrients. At the cellular level, the fungal spores invade healthy plant cells and form ...

Scientists pinpoint inflammation gene

...nfectious diseases. Kissebah said it provides new insight into studies he leads on the genetics of obesity. "Now that we have identified SEPS1' role in inflammation, which is known to initiate the process of arterial wall hardening and the onset of Type 2 diabetes, we are developing an understanding of why ...

Marine conservation organizations team up to conduct Indonesia coral reefs assessment

... earthquake and tsunami and may provide some early insight into the natural recovery process including the success of corals to reproduce and grow. "The health of the coral reef ecosystem along the Sumatra coastline is vital to the well-being of the people of Indonesia who depend upon the rich resources of...

Fruit fly research set to revolutionize study of birth defects

...hope that through this model system we can provide insight into mammalian birth defects, which may be expected to increase in frequency in the future, due to the recent elevated use of MTX," says Affleck. Many of the genes found to be affected by MTX are involved in cell cycle regulation, signal transductio...

Ancient anthropoid origins discovered in Africa

...d by only a few teeth, which precluded significant insight into the species, said Seiffert. Seiffert also noted that previously, the only evidence for anthropoids at 37 million years ago in Africa was a single tooth, attributed to a species called Biretia piveteaui. What's more, the latest discoveries of th...

NRL scientists detect 'milky sea' phenomena

...s. This creates opportunities for new research and insight pertaining to the cause, role, and implications of these poorly understood phenomena, said Dr. Miller. Professor. J. Woodland Hastings of Harvard University, a leader in the field of bioluminescence and communicator of this paper to PNAS, called this...

CO2 sensing proves critical for fungal pathogens to adapt to life in air and human hosts

... of researchers are reporting new work that offers insight into how carbon dioxide (CO2) governs the morphogenic changes that allow pathogenic fungi to survive in different environments and invade the human body, and they provide new evidence for how CO2 sensing and metabolism utilize evolutionarily conserve...

Restaurant seafood prices since 1850s help plot marine harvests through history

...onmental archives provide valuable information and insight into the sometimes startling changes in marine communities along ocean shorelines and in the open seas. By extending trends backward from the baseline of the present, HMAP's unearthed records from fossils to fish taxes give a head start to detecting ...

Plants reveal a secret and bring researchers nearer a cleaner future

... basis for the release of dioxygen. This gives new insight into the mechanism of photosynthesis. In order to study this process, the use of synchrotron light was crucial: "A very intense and stable X-ray beam is necessary to perform this study on such a complex, highly diluted protein present in the inves...

Displaced songbirds navigate in the high Arctic

...e magnetic North Pole, researchers have gained new insight into how birds navigate in the high Arctic. In particular, the findings aid our understanding of how birds might determine longitudinal information--a challenging task, especially at the earth's poles. The work is reported in Current Biology by Sus...

Researcher says flu responders can learn from 1918 epidemic

A doctoral student's research brings lessons and insight to a looming pandemic If health officials and media prognosticators are accurate, this coming winter may bring with it one of the most sweeping, deadly outbreaks of killer flu that the world has ever seen. While that prospect would terrify the aver...

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