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Tag: "lays" at biology news

Multiple Campylobacter Genomes Sequenced

...ant family of human pathogens. And in doing so, it lays the foundation for the development of new ways to monitor and control Campylobacter in the food chain and in human infection. ...

Hirsute Or Hairless? Two Proteins May Spell The Difference

...types at specific developmental stages, this study lays the foundation for dissecting the mechanisms that connect two key processes—intercellular remodeling and proliferation—in epithelial development. And since the consequences of TGF-β2 activity seen here in the hair bud more closely resemble certain ty...

Alien woodwasp, threat to US pine trees, found in N.Y.

...mucus and spores of a toxic fungus when the female lays her eggs through the bark and into the sapwood of the tree. "If S. noctilio is found to be established in New York or elsewhere in the U.S., we could launch a rapid response to contain and control the infestation," says Hoebeke. A biological control...

Researchers create infectious hepatitis C virus in a test tube

...d Infectious Disease at Rockefeller. "This system lays the foundation for future test tube studies of the virus life cycle and may help in the development of new drugs for combating HCV," adds Rice, who is the scientific director of the Center for the Study of Hepatitis C, a collaborative research and cl...

Hanging baskets of sex and death help fruit growers

...e pest or contamination of the site where the moth lays its eggs. The larvae are killed after eating the virus on the egg or plant surface. This brings two key benefits to fruit growers: An end to spraying - Normally Growers wishing to use this form of virus warfare have to spray almost every element of ...

Clearing jams in copy machinery

...t encounters a problem. Pol IV, on the other hand, lays down bases without checking for errors, keeping the process moving even when Pol III gets stuck. The findings by O'Donnell and his colleagues show that, because both polymerases are bound simultaneously to the beta clamp, it can pull either of the po...

Membrane research opens window to benefits for plants, humans

...nnel from over-expression in yeast, this work also lays down key technical foundations for future studies on other plant- and human-membrane proteins," said co-author Richard Neutze of Chalmers University. Taking that structure, scientists at the University of Illinois at Urbana-Champaign used advanced m...

Gene Expression in the Aging Brain

...limits to longevity. One prominent theory of aging lays the blame on the accumulation of damage done to DNA and proteins by “free radicals,?highly reactive molecules produced by the metabolic activity of mitochondria. This damage is expected to reduce gene expression by damaging the DNA in which genes ar...

Navigating the brain for sense of direction as paradigm for higher cognitive functions

...limits to longevity. One prominent theory of aging lays the blame on the accumulation of damage done to DNA and proteins by “free radicals,?highly reactive molecules produced by the metabolic activity of mitochondria. This damage is expected to reduce gene expression by damaging the DNA in which genes ar...

Carnegie Mellon scientists create PNA molecule with potential to build nanodevices

...limits to longevity. One prominent theory of aging lays the blame on the accumulation of damage done to DNA and proteins by “free radicals,?highly reactive molecules produced by the metabolic activity of mitochondria. This damage is expected to reduce gene expression by damaging the DNA in which genes ar...

Butterflies lose body fat during metamorphosis

...in forest tree Pterocarpus, on which the butterfly lays its eggs. On a daily basis, they measured the food consumption of the larva and then analyzed the fatty acid composition and content of the diet as well as the larva. Once the larva had transformed into butterflies, the researchers examined the f...

Wisconsin scientists find a way to make human collagen in the lab

... by grants from the National Institutes of Health, lays a foundation for bringing human collagen to the clinic, says Raines. But he notes there is still some work to be done to perfect the technology. For example, while the new work enables the researchers to make collagen molecules that are long and str...

The diversity of marine life in the Gulf of Maine region is much greater than previously thought

...s based at the University of Southern Maine. "This lays the foundation for the next step, which is to understand how these species interact with each other and their surroundings to make the ecosystem work." The searchable register for the Gulf of Maine and neighboring deep sea waters was prepared by th...

Faults in newly discovered breast stem cells may lead to tumours

...the formation of all breast tissue. This discovery lays an important foundation for understanding how normal breast tissue develops. The identification of the breast stem cell is also likely to provide clues about how breast cancer develops and how rogue cells evade current therapies. Under normal circu...

Gatekeeping: Penn researchers find new way to open ion channels in cell membranes

...m for understanding the gating of ion channels and lays the conceptual groundwork for designing new drugs to control ion-channel activity in medical intervention. Voltage-gated ion channels are embedded in the cell membranes of most types of cells. It has been known for over half a century that the cha...

Scientists identify 36 genes, 100 neuropeptides in honey bee brains

...des from the brain of the honey bee. "This study lays the groundwork for future molecular studies of honey bee neuropeptides with the identification of 36 genes, 33 of which were previously unreported," the researchers write in the Oct. 27 issue of the journal Science. "Neuropeptides come in a bewilde...

International team analyzes human genetic variation in key immune region

...variability for this fundamental immune region and lays the scientific foundation for future efforts aimed at uncovering the genetic roots of immune-related diseases. The findings of this international team, which includes scientists from the Montreal Heart Institute (MHI), the Université de Montréal (Ude...

The first tree genome is published: Poplar holds promise as renewable bioenergy resource

...tree, the black cottonwood or Populus trichocarpa, lays the groundwork that may lead to the development of trees as an ideal "feedstock" for a new generation of biofuels such as cellulosic ethanol. The research is the result of a four-year scientific and technical effort, led by the U.S. Department of Ene...

RNA map provides first comprehensive understanding of alternative splicing

...on of cognitive function," he adds. "Our new work lays out an approach to developing a global understanding of how alternative splicing is regulated by one disease-associated protein, Nova, offering a route by which scientists may now be able to approach a number of diseases with a fresh start." Final...

Post oak grasshoppers emerging

...les lay their eggs in the soil. A female typically lays five to six eggs at a time in a pod, and will produce two to four pods over her lifetime. In the spring, when post oak leaves begin to emerge, the eggs hatch and the nymphs begin to climb trees to feed. They go through at least five developmental sta...

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