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首页> 外文期刊>Journal of bacteriology >Sighting the Alien Within: a New Look at Bdellovibrio
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Sighting the Alien Within: a New Look at Bdellovibrio

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Bdellovibrio bacteriovorus is a solitary hunter that uses a single polar flagellum to stalk other Gram-negative bacteria. Using appendages located at the nonflagellated pole, this tiny predator binds its prey tightly. Secreted enzymes now permit the predator to burrow through the surface of its prey, where it wedges between the outer membrane and the peptidoglycan wall. Here, it begins to reprogram both itself and its prey. This includes partial degradation of the prey peptidoglycan wall, which causes the prey to round up into a structure called the bdelloplast. Nestled within the confines of this bdelloplast, the predator now literally consumes its poor unfortunate host from the inside out (for reviews, see references 9, 15, 17, and 19).

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