Contact: Lee Clippard
University of Texas at Austin
Caption: Researchers found that the T7 virus has six tail fibers that are folded back against its capsid. The fibers extend as the virus locates a suitable host and as it "walks" across its host cell surface to find a site to infect.
Credit: From Hu et. al. 2013. Science Express.
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Related news release: Virus caught in the act of infecting a cell