Discovery of a genetic sex marker in sturgeon

Scientists have discovered a molecular marker for sex determination in sturgeon within the international project STURGEoNOMICS, led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB). This discovery ...

Birds of a feather do flock together

Nearly 200 years ago, Charles Darwin noted striking diversity among the finches of the Galapagos Islands, and his observations helped him propose the role of natural selection in shaping species. Today, some biologists focus ...

Swedish, Finnish and Russian wolves closely related

The Scandinavian wolf originally came from Finland and Russia, and unlike many other European wolf populations its genetic constitution is virtually free from dog admixture. In addition, individuals have migrated into and ...

A new bacteria from diseased walnut discovered in Portugal

Bacteria recently isolated from walnut (Juglans regia L.) buds in Portugal has been identified as a new species of Xanthomonas. Interestingly, this new species, named Xanthomonas euroxanthea, includes both pathogenic and ...

Researchers discover new viral strategy to escape detection

University of Otago researchers have discovered how viruses that specifically kill bacteria can outwit the bacteria by hiding from their defences, findings which are important for the development of new antimicrobials based ...

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