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Tag: "throughout" at biology news

Disease progression model of pancreatic cancer developed by Penn researchers

...ed chromosomes–leads to widespread genetic changes throughout the affected cells. Genomic instability is seen in many human epithelial cancers, including pancreatic cancer, and is thought to be a driving force in the transition from local tumor growth to metastases of cancers. According to Hingorani, "This mode...

The biggest family tree ever

...and collecting DNA samples from indigenous peoples throughout the world. The field component of the project is underwritten by the Waitt Family Foundation. UA is participating in a different aspect of the project, analyzing samples submitted by the public. Individuals can become part of the project and learn a...

Low oxygen likely made Great Dying worse, greatly delayed recovery

...extinction rates of land vertebrates were elevated throughout the late Permian, likely because of climate change, and culminated in a mass extinction at the end of the Permian. The event, often called "the Great Dying," was the greatest mass extinction in Earth's history, killing 90 percent of all marine life a...

Scientists reveal the shape of a protein that helps retroviruses break into cells

...extinction rates of land vertebrates were elevated throughout the late Permian, likely because of climate change, and culminated in a mass extinction at the end of the Permian. The event, often called "the Great Dying," was the greatest mass extinction in Earth's history, killing 90 percent of all marine life a...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

...local health departments and community-based sites throughout the state. Confidential testing is also available in which patients provide their names to health care providers. HIV testing is especially important for pregnant women, because medicine is available that can reduce the risk of maternal/child HIV tr...

New strategies to reduce hospital-aquired infections

...o Help Protect Patients Dr. Cervia said hospitals throughout North America are increasingly turning their attention to water as a source of nosocomial (hospital-acquired) infection as a result of recognition of the prevalence and risks posed by waterborne pathogens. However, he noted, there is a great deal mor...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

...o Help Protect Patients Dr. Cervia said hospitals throughout North America are increasingly turning their attention to water as a source of nosocomial (hospital-acquired) infection as a result of recognition of the prevalence and risks posed by waterborne pathogens. However, he noted, there is a great deal mor...

Innovative collaboration brings Arctic science into the classroom

... instructions on how to take samples from the Lena throughout the winter. Since September 2003, she has collecte...ey've developed in Zhigansk to several other sites throughout the Arctic. According to Holmes, "capitalizing on the energy and enthusiasm of students has tremendo...

Ariadne Genomics Announces the Release of PathwayStudio?Central, Client-Server Software for Biological Pathway Analysis

...e solution that can be easily deployed in a lab or throughout an entire organization, enabling pathway data sharing and user rights management. Server-side network analysis algorithms and MedScan information extraction tools allow for computation intensive tasks and provide convenient interfaces for the integra...

Sugar beet virus mutation requires Texas touch

...ose few plants are getting to the root of problems throughout the sugar beet industry. The sugar beet industry moved out of Texas in 1997 after the close of the processing plant at Hereford. But the growing research program within Texas Agricultural Experiment Station's plant pathology lab here didn't die. Ju...

Researchers find gene that may be at root of potato blight

...till causes massive amounts of agricultural damage throughout the modern world?on the order of billions of dollars each year. The scientists describe the gene, called Avr3a, in a study that appears online in the early edition of the Proceedings of the National Academy of Sciences. Researchers call Avr3a an av...

Scientists analyze chromosomes 2 and 4

... to human biology because they have been conserved throughout the evolution of mammals and birds, and work is now underway to figure out their exact functions. Humans have 23 pairs of chromosomes ?one less pair than chimpanzees, gorillas, orangutans and other great apes. For more than two decades, researchers ...

Alcohol consumption disrupts breastfeeding hormones

... pumps to stimulate lactation. Blood samples taken throughout the procedure were analyzed for oxytocin and prolactin, the two key hormones that control lactation. Alcohol disrupted release of both hormones during lactation: oxytocin levels decreased an average of 78% and prolactin levels increased by 336%, as ...

An (ecological) origin of species for tropical reef fish

... tropical reef fishes (wrasses, genus Halichoeres) throughout their range and were surprised by what they found. Rocha explains: "I was interested in the Amazon barrier. The Amazon and Orinoco's freshwater and sediment discharge off of northeastern South America is so immense that it precludes coral reef forma...

Rabies spread speeds up

...abies across Ohio - a potential gateway for spread throughout the Midwest - and find that raccoon rabies could spread throughout the state in just three years, far faster than previously thought. One strategy for limiting rabies...

Pair of cancer genes found to drive both cell migration and division

...nzymes are missing, levels of PIP3 remain constant throughout the membrane, and the cell can't migrate properly. In experiments with single-celled amoebae, Devreotes and his team learned that PTEN and PI3K do the same thing to PIP3 in dividing cells. When a normal cell prepares to divide, it first doubles its ...

Newer imaging techniques may lead to over-treatment

...It allows radiologists to see more of the arteries throughout the lungs, and to detect small clots in those arteries, said J. David Prologo, MD, chief radiology resident at University Hospitals of Cleveland and lead author of the study. However, "our study found no significant difference in the outcomes of pati...

Experiment station researchers to explore genome of disease-fighting fungus

...he amount of pesticide and other chemicals applied throughout a growing season. "You also might be able to more...o the seed, it would continue to protect the plant throughout the growing season and spread throughout the root system." Finding unique genes involved in inducin...

Asymptomatic HIV babies could use earlier treatment

...o and her colleagues collected data from hospitals throughout northern California over a 17- year period. Statistical calculations indicate that their sample of 205 children represent nearly every HIV-infected child born in the area during that time—an unbiased sample that allowed them to analyze all infected b...

Beneficial Beetles Battle Pesky Saltcedar

... and willows, along streambanks and river channels throughout the American West. Agricultural Research Service (ARS) entomologist C. Jack DeLoach, ARS ecologist Raymond I. Carruthers, and their co-investigators have found that a leafbeetle that they've investigated and helped import, Diorhabda elongata, has no...

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