Virus Gene Leads Moths to Tree-Top Doom (9 of 9) (IMAGE)

American Association for the Advancement of Science (AAAS)

Virus Gene Leads Moths to Tree-Top Doom (9 of 9)

Caption

Experimental apparatus. Tall soda bottles were lined with screening for the insect to climb on and contained food at the bottom of the bottle. Larvae infected with the virus lacking egt (EGT-) died at the bottom of the containers, while larvae infected with the virus containing egt (EGT+) died at the top of containers, similar to what is observed in nature when larvae die and hang from foliage or bark surfaces in elevated positions. This image relates to an article that appeared in the Sept. 9, 2011, issue of Science, published by AAAS. The study, by Dr. K. Hoover of the Pennsylvania State University in University Park, Pa., and colleagues was titled, "A Gene for an Extended Phenotype."

Credit

Image courtesy of Michael Grove

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