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JGI Helps Illuminate How a Fungus Fuels Tree Growth 

August 20, 2019

Poplar cuttings inoculated with M. elongata strain PM193 (far right) grow larger in 30 percent forest soil / 70 percent sand than without PM193 (middle). On the left are controls grown in sterile sand. (Chih-Ming Hsu)

The fungus Mortierella elongata enjoys a close association with the fast-growing poplar tree (Populus trichocarpa), a potential biofuel feedstock. Scientists routinely spot the fungus near the tree or in between its root cells. To better understand their relationship, a team of scientists has studied the effect of the fungus on the tree’s physical traits and gene expression, finding the fungus induces some notable metabolic changes. Click here to read the science highlight on the JGI website.

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