Researchers first became aware of the marbled crayfish when a German aquarium owner contacted them in 1995 after a bag of "Texas crayfish" took over his aquarium, the Atlantic reports. The crayfish, dubbed Marmorkreb in German, turned out to be parthenogenetic clones of one another and have since been found in the wild in Germany, Italy, Slovakia, Sweden, Japan, and Madagascar, it adds.

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Mice in New York harbor both antibiotic-resistant bacteria and novel viruses, according to a new analysis of their fecal microbiomes.

Human Heredity and Health in Africa Initiative has issued guidelines for genomic research in the region, according to Nature News.

The Associated Press reports that an ethicist predicts that prenatal diagnosis and other advances will lead to more choices being available to prospective parents.

In Genome Biology this week: approach to analyze alternative polyadenylation, algorithm to predict transcriptomic structural variations, and more.