Novel Fungus Helps Beetles to Digest Hard Wood
by Amit Avasthi and Vicki Fong (Penn State University, gantdaily.com) A little known fungus tucked away in the gut of Asian longhorned beetles helps the insect munch through the hardest of woods according to a team of entomologists and biochemists. Researchers say the discovery could lead to innovative methods of controlling the invasive pest, and potentially offer more efficient ways of breaking down plant biomass for generating biofuels.
Microbes in the gut of insects are known to break down cellulose, but little is known about how, or whether, insects degrade lignin. This natural polymer helps plants stay upright and protects them from most forms of microbial attack.
“Lignin is nature’s plastic and any organism that wants to get to the sugars in a plant has to be able to get past this protective barrier,” said Ming Tien, study co-author and Penn State professor of biochemistry and molecular biology. “We suspect that the fungus produces enzymes that help the beetles degrade lignin.” READ MORE
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