Adenovirus transport via direct interaction of cytoplasmic dynein with the viral capsid hexon subunit.
Adenovirus transport via direct interaction of cytoplasmic dynein with the viral capsid hexon subunit.
复制标题
腺病毒通过细胞质动力蛋白与病毒capsid己糖亚基的直接相互作用进行转运。
DOI:
10.1016/j.chom.2009.11.006
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发表时间:
2009-12-17
影响因子:
30.3
通讯作者:
Vallee RB
中科院分区:
文献类型:
--
作者:
Bremner KH;Scherer J;Yi J;Vershinin M;Gross SP;Vallee RB
Early in infection, adenovirus travels to the nucleus as a naked capsid using the microtubule motor cytoplasmic dynein. This study was initiated to address how the virus recruits dynein, and to explore the role of dynein's diverse regulatory factors in virus transport. Cytoplasmic dynein, dynactin and NudE/NudEL, but not LIS1 or ZW10, colocalized with incoming, post-endosomal adenovirus particles. Dynein alone interacted in a pH-dependent manner with the adenovirus subunit hexon, which, in turn, interacted with recombinant dynein intermediate chain and light intermediate chain 1. Interference with dynactin function had no effect on dynein colocalization with adenovirus, but reduced virus run length. Expression of hexon or injection of anti-hexon antibody inhibited virus transport without affecting Golgi distribution. These results identify hexon as a direct receptor for cytoplasmic dynein, which recruits dynein for transport to the nucleus by a mechanism both novel and distinct from that for known physiological dynein cargo forms.
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