The protein translocation apparatus of chloroplast envelopes

被引：68

作者：

Heins, L

Collinson, I

Soll, J

机构：

[1] Univ Kiel, Inst Bot, D-24098 Kiel, Germany

[2] Max Planck Inst Biophys, D-60528 Frankfurt, Germany

来源：

TRENDS IN PLANT SCIENCE | 1998年 / 3卷 / 02期

关键词：

D O I：

10.1016/S1360-1385(97)01161-8

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The evolution of the chloroplast from a photosynthetic prokaryote has resulted in the displacement of most of the prokaryote genes to the nucleus of the host eukaryote, Accordingly, the new organism has evolved targeting and translocation mechanisms on the organellar membranes for nuclear-encoded proteins, In plastids, the protein-import machinery is distinct from that of other organelles, in both composition and mechanism, Recently, proteins homologous to several subunits of the chloroplast import machinery were identified in the cyanobacterium Synechocystis PCC6803, It appears that parts of the protein-import machinery of chloroplasts are derived from ancient transport systems in cyanobacteria. These observations open up new avenues for elucidating the origin of the chloroplast membranes and functional properties of the protein-import machinery.

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页码：56 / 61

页数：6

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