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Tag: "relatives" at biology news

Iowa State University botanists identify new species of North American bamboo

...Clark said. They already know that the closest relatives of native North American bamboos are not in Central or South America, but are in East Asia. "That's a well-known pattern of diversity in plants and animals. Plants known to be closely related that were previously found across a large area of the ...

Indicators for risk of heart disease are higher in passive smokers

...r perhaps in other people's homes such as those of relatives or friends. This suggests that even people exposed to low levels of second-hand smoke may be at increased risk. "This study supports existing evidence that exposure to second-hand smoke is an important avoidable cause of cardiovascular disease. I...

New mechanism for nutrient uptake discovered

...entification has helped other researchers find the relatives of these genes in a variety of species from bacteria to humans. In this study, the scientists wanted to identify how ammonium transport is regulated. Plants import nitrogen in the form of ammonium from the soil. The researchers found that the end ...

Researchers publish first marsupial genome sequence

... kangaroos. "Marsupials are the closest living relatives of placental mammals. Because of this relationship, the opossum genome offers a unique lens though which to view the evolution of our own genome," said Kirstin Lindblad-Toh, Ph.D., co-director of the Broad Institute's genome sequencing and analysis p...

Breakthrough developments in rheumatoid arthritis reported

...re now analyzing the genes from 2,500 first degree relatives of rheumatoid arthritis patients and testing CCP levels to see whether there is a way to predict, based on these measurements, who will go on to develop rheumatoid arthritis. Ultimately, understanding how the genes work to confer illness will he...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...ly, the scientists found that the Central American relatives of these Caribbean amphibians also arose from a si...bean terrestrial frogs and because groups of close relatives rarely dominate the fauna of an entire continent or major geographic region," explained Penn State's...

Researchers discover inherited mutation for leukemia

...nent. But about one in 10 people with CLL have relatives who also develop the disease – strong evidence of a hereditary predisposition. However, usually only two or three people within a family are affected, making it difficult to do the genetic studies needed to find possible mutations, Plass says. Th...

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