Targeting signals for a bacterial Sec-independent export system direct plant thylakoid import by the Delta pH pathway

Margaret Wexler; Erik G  Bogsch; Ralf Bernd  Klosgen; Tracy Palmer; Colin Robinson; Ben C  Berks

doi:10.1016/S0014-5793(98)00790-X

Targeting signals for a bacterial Sec-independent export system direct plant thylakoid import by the Delta pH pathway

Margaret Wexler, Erik G Bogsch, Ralf Bernd Klosgen, Tracy Palmer, Colin Robinson, Ben C Berks

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Abstract

Preproteins targeted to the Sec-independent protein transport systems of plant thylakoids and of bacteria both have unusual transfer peptides bearing a consensus twin-arginine motif. Possible mechanistic similarity between the two Sec-independent transport pathways was investigated by assessing the ability of bacterial twin-arginine transfer peptides to direct thylakoid import. High efficiency import mas observed. This process was demonstrated to occur specifically via the Sec-independent Delta pH pathway and to depend on an intact twin-arginine motif on the transfer peptide. These results provide strong evidence for the operation of mechanistically related Sec-independent protein transport pathways in chloroplasts and bacteria. (C) 1998 Federation of European Biochemical Societies.

Original language	English
Pages (from-to)	339-342
Number of pages	4
Journal	FEBS Letters
Volume	431
Issue number	3
DOIs	https://doi.org/10.1016/S0014-5793(98)00790-X
Publication status	Published - 24 Jul 1998

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title = "Targeting signals for a bacterial Sec-independent export system direct plant thylakoid import by the Delta pH pathway",

abstract = "Preproteins targeted to the Sec-independent protein transport systems of plant thylakoids and of bacteria both have unusual transfer peptides bearing a consensus twin-arginine motif. Possible mechanistic similarity between the two Sec-independent transport pathways was investigated by assessing the ability of bacterial twin-arginine transfer peptides to direct thylakoid import. High efficiency import mas observed. This process was demonstrated to occur specifically via the Sec-independent Delta pH pathway and to depend on an intact twin-arginine motif on the transfer peptide. These results provide strong evidence for the operation of mechanistically related Sec-independent protein transport pathways in chloroplasts and bacteria. (C) 1998 Federation of European Biochemical Societies.",

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AU - Wexler, Margaret

AU - Bogsch, Erik G

AU - Klosgen, Ralf Bernd

AU - Palmer, Tracy

AU - Robinson, Colin

AU - Berks, Ben C

PY - 1998/7/24

Y1 - 1998/7/24

N2 - Preproteins targeted to the Sec-independent protein transport systems of plant thylakoids and of bacteria both have unusual transfer peptides bearing a consensus twin-arginine motif. Possible mechanistic similarity between the two Sec-independent transport pathways was investigated by assessing the ability of bacterial twin-arginine transfer peptides to direct thylakoid import. High efficiency import mas observed. This process was demonstrated to occur specifically via the Sec-independent Delta pH pathway and to depend on an intact twin-arginine motif on the transfer peptide. These results provide strong evidence for the operation of mechanistically related Sec-independent protein transport pathways in chloroplasts and bacteria. (C) 1998 Federation of European Biochemical Societies.

AB - Preproteins targeted to the Sec-independent protein transport systems of plant thylakoids and of bacteria both have unusual transfer peptides bearing a consensus twin-arginine motif. Possible mechanistic similarity between the two Sec-independent transport pathways was investigated by assessing the ability of bacterial twin-arginine transfer peptides to direct thylakoid import. High efficiency import mas observed. This process was demonstrated to occur specifically via the Sec-independent Delta pH pathway and to depend on an intact twin-arginine motif on the transfer peptide. These results provide strong evidence for the operation of mechanistically related Sec-independent protein transport pathways in chloroplasts and bacteria. (C) 1998 Federation of European Biochemical Societies.

U2 - 10.1016/S0014-5793(98)00790-X

DO - 10.1016/S0014-5793(98)00790-X

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SP - 339

EP - 342

JO - FEBS Letters

JF - FEBS Letters

IS - 3

ER -

Targeting signals for a bacterial Sec-independent export system direct plant thylakoid import by the Delta pH pathway

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