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phylogenetic analysis

A polar bear phylogeny based on hundreds of mitochondrial DNA sequences from polar and brown bear samples from as far back as about 120,000 years ago hints at a shared maternal ancestry for modern polar bears and Irish brown bears.

By combining genetic, antigenic, and epidemiological data from a Hong Kong slaughterhouse with data on samples collected since the 1970s, researchers have gained new insights into the evolution and transmission of swine influenza A viruses.

Using morphological, molecular, and genetic data, an international research group has come up with a phylogenetic tree for flies, one of the largest insect groups.

A team of researchers from Baylor College of Medicine and University of Texas at Austin have described their strategy for forensically determining the direction of HIV transmission between individuals and identifying index cases.

A group of researchers led by NYU will use a $3.8 million grant to develop and use a plant genomics and evolutionary data resource.

Danish researchers used phylogenetic and whole-genome analyses to find and begin characterizing a Propionibacterium acnes sub-population associated with acne.

Through their phylogenetic analysis of influenza A strains circulating in pigs at a Hong Kong slaughterhouse, researchers have detected viral reassortment involving the H1N1 "swine flu" virus.

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A New Zealand minister says the country's genetic modification laws need to be re-examined to help combat climate change, the New Zealand Herald reports.

A new analysis finds some cancers receive more nonprofit dollars than others.

An Australian mother's conviction in the deaths of her children may be re-examined after finding that two of the children carried a cardiac arrhythmia-linked gene variant.

In Science this week: comparative analysis of sex differences in mammal gene expression, and more.