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本帖最后由 细胞海洋 于 2012-12-9 19:49 编辑 ) {/ a2 y% m7 J4 l
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# }! N) R+ N G( ]9 WCOVER End-on view of the atomic model of the bacterial actinlike ParM protein double-helical filament, generated from an electron microscopic reconstruction. A bipolar spindle of antiparallel ParM filaments pushes plasmids to the cell poles, constituting the simplest known apparatus for the segregation of genetic information. The loops on the outside of the 8- to 9-nanometer-thick filaments are involved in spindle formation. See page 1334. Image: Jan Löwe : `& j4 O v& C# E4 G4 i* e* S
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发表于 2012-12-7 19:42
发表于 2013-4-26 21:38
