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WSU News Biology

WSU researchers extract nicotine from ancient dental plaque for the first time

By Will Ferguson, College of Arts and Sciences

Woman Smoking PULLMAN, Wash. – A team of scientists including researchers from Washington State University has shown for the first time that nicotine residue can be extracted from plaque, also known as “dental calculus”, on the teeth of ancient tobacco users. » More …

John Peters named an American Academy of Microbiology Fellow

By Scott Weybright, College of Agricultural, Human and Natural Resource Sciences

American Academy of Microbiology and American Association for the Advancement of Science logosPULLMAN, Wash. – John Peters, director of Washington State University’s Institute of Biological Chemistry, has been named a Fellow in the American Academy of Microbiology. » More …

André-Denis Girard Wright named dean of CAHNRS

Wright André-Denis Girard WSU CAHNRS dean

PULLMAN, Wash. – André-Denis Girard Wright, an internationally recognized researcher and director of the School of Animal and Comparative Biomedical Sciences at the University of Arizona, has been named dean of the Washington State University College of Agricultural, Human and Natural Resource Sciences. » More …

Epigenetics study helps focus search for autism risk factors

By Judith Van Dongen, WSU Spokane Office of Research

Peixoto-Lucia_L asst professor biomedical sciences WSU Elson S. Floyd College of Medicine

SPOKANE, Wash. – Scientists have long tried to pin down the causes of autism spectrum disorder. Recent studies have expanded the search for genetic links from identifying genes toward epigenetics, the study of factors that control gene expression and looks at chemical modifications of DNA and the proteins associated with it. » More …

Dramatic decline in genetic diversity of Northwest salmon charted

By Eric Sorensen, WSU News

chinook salmon wa dept fish wildlife

PULLMAN, Wash. – Columbia River Chinook salmon have lost as much as two-thirds of their genetic diversity, Washington State University researchers have found. » More …

A mother’s microbial gift

PULLMAN, Wash. – It happened again, most recently at a conference in Prague. After she gave her talk, a scientist came up to Shelley McGuire, a pioneer exploring the microbial communities found in human breast milk, and told her, “You don’t know how to take a sample. Your samples must have been contaminated. Human milk is sterile.” » More …