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Tag: "responding" at biology news

Pregnant mom's exposure to flu vaccine kick-starts fetal immune system

...t deficient or incompetent but, rather, capable of responding to environmental exposures. These conclusions have important implications for determining when immune responses to environmental exposures begin....

Study shows lizard moms dress their children for success

...ormonal tweaking of the eggs. "The females are responding to cues that predict something about the future environment, but we're not sure yet exactly what that is," Lancaster said. "Orange-throated neighbors may indicate a trend in the frequency of orange-throated lizards within the population or in the ove...

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

.... In a related editorial discussing how WHO is responding to global public health threats, the PLoS Medicine...ation: The PLoS Medicine Editors (2007) How is WHO responding to global public health threats" PLoS Med 4(5): e197. IN YOUR ARTICLE, PLEASE LINK TO THIS URL, W...

Mule deer moms rescue other fawns

... when coyotes attack fawns, with mule deer mothers responding to both whitetail and mule deer calls, even when their own fawn stood next to them. In contrast, the whitetail mothers responded only to their own species' call, and only when they could not see their own fawn. "The fact that mule deer ran to the...

A frown or a smile? Children with autism can't discern

...hat another person is thinking,?Davies said. “When responding to someone looking straight at you, as compared to someone who’s looking away, the brain discerns a difference. When the other person looks away, the brain quiets down.? For instance, with angry expressions, the brain may quiet down, because when ...

Chemical maps hint at drug's effects on schizophrenia

...th and gain information about how an individual is responding to a particular therapy." In a report presented Friday, May 18, at the Society of Biological Psychiatry annual meeting, in San Diego, Kaddurah-Daouk said that chemical signatures measured by metabolomics were different for schizophrenia patients t...

Do fruit flies have free will?

...t-output devices. "When scientists observe animals responding differently even to the same external stimuli, they attribute this variability to random errors in a complex brain." Using a combination of automated behavior recording and sophisticated mathematical analyses, the international team of researchers sh...

Hives ferment a yeasty brew, attract beetle pest

...ws them to key in on the bee colonies without bees responding to their attack," the researchers report. Complicating the issue is the yeast that grows in the hives. The researchers found that this yeast only produced IPA when it grew on pollen. Even pollen substitute, a food sometimes provided for bees, did no...

LIAI completes world's most comprehensive analysis on influenza virus data

... used one time, for example by a single individual responding to a single virus, or 100 different times. Now, scientists can search the database and find out all existing information on their particular topic. This will enable them to avoid unnecessary repetition and make faster progress toward new therapies ...

Hotspots of mercury contamination identified in eastern North America

...some wildlife species. Fish consumption advisories responding to mercury contamination exist in all the states and provinces included in the study, and loons are adversely affected by mercury levels they experience. The hotspots have implications for "cap and trade" approaches being implemented for regulation...

UTSA researchers examine effects of global warming on Antarctic

...ll significant in terms of the way the regions are responding and we're finding that it's linked to global change in the atmosphere." The Antarctic trip, the first for both Xie and Cicek is not the last one planned for the UTSA research team. In September, Ackley plans to take more students and faculty fr...

Infection detectives use disease 'fingerprints' to track common infections in children

...so to understand the prognosis and how the body is responding to therapy," he said. Different viruses and bacteria trigger the activation of very specific genes that code for proteins called receptors in leukocytes, the white blood cells th at help the body fight infections. Researchers surmised that if they...

Protein sensor for fatty acid buildup in mitochondria

... Jude team demonstrated that PanK2 does its job of responding to increasing levels of fatty acids within a structure called the mitochondrion. Mitochondria are bags of enzymes in the cell that extract energy from nutrients. Most of the cell's energy-rich molecules called ATP are made in the mitochondria, and th...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...physicians may be able to tell if a patient is not responding to the therapy and alter their treatment strategy accordingly." The researchers screened lung and brain tumors to determine which peptides ?or protein fragments ?were active in the tissue environment surrounding the tumors. This phage displayed ...

Gene chips forecast ecological impacts of climate change

...sist in understanding how marine invertebrates are responding to the climate-change related multiple stressors in the world's oceans. Sunday, Feb. 18, 2007, 3:30 PM - 5:00 P.M. Hilton San Francisco, Ballroom Level Room: Franciscan A Topic: Something Borrowed, Something Blue: Using Innovative Technologie...

Termites get the vibe on what tastes good

...ecisely what aspect of the vibrations termites are responding to in assessing food. "If we understand how they use vibrations to assess their food, we might be able to exploit this to manipulate their feeding habits, and address the very significant problem of termite damage in buildings and other structures,...

Turtles are loyal in feeding as well as in breeding

...s possible that sea turtles are territorial or are responding to limited food resources by sticking to their own feeding patches. 'There are estimated to be as few as 300 female green turtles breeding annually in the Mediterranean,' continued Dr Broderick. 'This new information is timely and our research fi...

Baby fish 'smell their way home'

...ies of fish," Mike says. The fish could also be responding to other stimuli, including distant noise off a reef and the behaviour of other fish, but the team concluded that smell was probably the dominant factor leading the babies home. "Every reef gives off its own unique chemical signature, a rich mixtu...

White blood cells of cancer-resistant mice overwhelm natural defenses of cancer cells

...ffusible and surface signals from cancer cells and responding to those signals by migration and physical contact," they said. The researchers said that in ordinary mice, the white blood cells are suppressed by self-defensive signals coming from the cancer cells and don't attack the cancer. But the mutated ge...

Global changes alter the timing of plant growth, scientists say

...er in the spring--another signal that the Earth is responding to overall warming. The results of this study also showed that plant growth--as evidenced by peak "greenness"--occurred earlier in the growing season when the grassland was exposed to warming, simulating future conditions. But plant growth was dela...

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