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Tag: "relationships" at biology news

Researchers to study why dead zone returned to Lake Erie

...searchers will examine three main culprits and the relationships among them: excess phosphorous; zebra mussels; and global warming. Of the three causes, nitrogen from farm runoff and treatment plants is the most well known. The nitrogen in fertilizer causes algae blooms that sink to the bottom and are consumed ...

By 2048 all current fish, seafood species projected to collapse

...he researchers were surprised to find very similar relationships between biodiversity change and ecosystem services at scales ranging from small square-meter plots to entire ocean basins, Worm said. "This suggests that small-scale experiments can be used to predict large-scale ocean change. "Through this resear...

Free drug samples influence prescribing, say one in three doctors

...ege of Obstetricians and Gynecologists about their relationships with the pharmaceutical industry. The members were part of a collaborative research network, representing each of the 10 districts covered by the College. Just over half of those surveyed responded (217). More than 90% of the respondents thoug...

Preliminary study finds holographic imaging system promising for cancer treatment planning

...Perspecta device allowed better appreciation of 3D relationships of anatomical and dose data than images from a flat screen display. According to the study, the location and size of over or under-dosed regions were also easier to identify on Perspecta. The reviewers reported that Perspecta produced a better plan i...

Genome info from 'plant destroyers' could save trees, beans and chocolate

...to our basic understanding of normal plant-microbe relationships as well as their roles in disease," she said. ...

Hormone linked to brain's cravings for food and other energy sources

...urvive," he said. "Future studies will explore the relationships between ghrelin and cocaine addiction." ...

Pattern of human Ebola outbreaks linked to wildlife and climate

...ir findings, the researchers were able to identify relationships among previously documented Ebola outbreaks in humans and wildlife in Gabon and RoC that initially seemed disparate and unrelated. They proposed that the virus first spread southwest across Gabon. It then looped back toward the northeast from sites...

High HPV concentrations combined with smoking significantly raise risks of cervical cancer

... one of the largest studies to date to examine the relationships between smoking and the human papilloma virus (HPV). The virus and smoking behavior have long been associated with the disease, but not enough evidence has come forth to determine how either may cause the disease. Gunnell's study, in fact, suggest...

How many genes does it take to learn? Lessons from sea slugs

...ys in Aplysia that sheds new light on evolutionary relationships of this very ancient and highly successful marine animal," said Dennis Steindler, Ph.D., executive director of UF's McKnight Brain Institute, who did not participate in the research. "A very important part of this study is the discovery of novel gene...

Minorities, uninsured less likely to receive care at high-volume hospitals

...ospital-based procedures with known volume-outcome relationships among Californians during a 5-year period (2000-2004), collecting data from California's Office of Statewide Health Planning and Development patient discharge database. The procedures included elective abdominal aortic aneurysm repair, coronary ar...

New genetic analysis forces re-draw of insect family tree

...ollowing a genetic analysis which has revealed new relationships between four major groups of insects. Scientist...l group of scientists to work out the evolutionary relationships between the insects based on changes and mutations within those genes. Previously scientists had ...

Ghost protein leaves fresh tracks in the cell

... more about mutations involving spectrin and their relationships to human diseases, we're going to have more and more questions about how these mutations affect specific functions of the molecule," he said. ...

The secret lives of sea slugs

... lives, then described certain behaviors and their relationships to sensory cues. The goal of neuroethologists who study sea slugs in the laboratory is to link specific behaviors to their underlying neural controls. Information on behaviors and sensory cues that influence them is essential to the study of senso...

Fire ants: Their true story told by the scientist who loves them

...ment and death in a complex nest of interdependent relationships marked by cooperation, competition and conflict. There's a queen ?sometimes lots of them ?but everybody has a vital role to play. Change is inevitable. So are class, sex, betrayal and new beginnings. And size matters, says Tschinkel. In mature colon...

Predators prefer to hunt small-brained prey

...hich argue this is important for developing social relationships and using tools." ...

Large dinosaurs were extremely hot in their day, UF study finds

... in biology -- by combining their understanding of relationships among body size, temperature and growth rates with...es to investigate what are proving to be universal relationships among size, growth rate and temperature. "There are differences between mammals and invertebrates,...

Cells use mix-and-match approach to tailor regulation of genes

...f gene regulation, Ideker's team identified "2hop" relationships by first focusing on single transcription factor-gene associations, plus other experimental evidence that indicates that that gene regulates a second gene. To enlarge the scope of the model further, Ideker's group also incorporated other previously ...

Even a little cooling helps after cardiac arrest

... area, as the trematodes reflect the predator-prey relationships that must be occurring to support their reproductive lifecycle. "Trematodes require all of the pieces of the puzzle to complete their lifecycle," Lafferty said. "When we see a lot of parasites in an estuary, we know it is in good shape. For example,...

How healthy is that marsh? Biologists count parasites

... area, as the trematodes reflect the predator-prey relationships that must be occurring to support their reproductive lifecycle. "Trematodes require all of the pieces of the puzzle to complete their lifecycle," Lafferty said. "When we see a lot of parasites in an estuary, we know it is in good shape. For example,...

DOE JGI sequences, releases genome of symbiotic tree fungus

...ased by modeling and actively managing the complex relationships between trees and fungi," said Martin. Key fact...stry produces. "The study and management of such relationships holds immense potential for the agriculture, forestry, and horticulture industries, as well as far-r...

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