UW News

Sharon Doty


August 14, 2017

Probiotics help poplar trees clean up Superfund sites

trees in field

Researchers from the University of Washington and several small companies have conducted the first large-scale experiment on a Superfund site using poplar trees fortified with a probiotic — or natural microbe — to clean up groundwater contaminated with trichloroethylene, or TCE.


September 19, 2016

Microbes help plants survive in severe drought

Poplars given microbes survived better in drought conditions

Plants can better tolerate drought and other stressors with the help of natural microbes, University of Washington research has found. Specifically, plants that are given a dose of microbes stay green longer and are able to withstand drought conditions by growing more leaves and roots and using less water.


May 20, 2016

Bacteria in branches naturally fertilize trees

Young poplar and willow trees along the Snoqualmie River.

A University of Washington team has demonstrated that poplar trees growing in rocky, inhospitable terrain harbor bacteria within them that could provide valuable nutrients to help the plant grow.


November 17, 2014

‘Probiotics’ for plants boost detox abilities; untreated plants overdose and die

Two women and willow cutting in lab

Scientists using a microbe that occurs naturally in eastern cottonwood trees have boosted the ability of willow and lawn grass to withstand the withering effects of the nasty industrial pollutant phenanthrene.