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Literature DB >> 29951837

Two paths diverged in the stroma: targeting to dual SEC translocase systems in chloroplasts.

Abstract

Chloroplasts inherited systems and strategies for protein targeting, translocation, and integration from their cyanobacterial ancestor. Unlike cyanobacteria however, chloroplasts in green algae and plants contain two distinct SEC translocase/integrase systems: the SEC1 system in the thylakoid membrane and the SEC2 system in the inner envelope membrane. This review summarizes the mode of action of SEC translocases, identification of components of the SEC2 system, evolutionary history of SCY and SECA genes, and previous work on the co- and post-translational targeting of lumenal and thylakoid membrane proteins to the SEC1 system. Recent work identifying substrates for the SEC2 system and potential features that may contribute to inner envelope targeting are also discussed.

Entities: Species

Keywords: Plastids; Protein targeting; Protein transport; SecA; SecY; Targeting sequences

Mesh：

Substances：

Year: 2018 PMID： 29951837 DOI： 10.1007/s11120-018-0541-9

Source DB: PubMed Journal: Photosynth Res ISSN： 0166-8595 Impact factor: 3.573

48 in total

1. Chloroplast SecY is complexed to SecE and involved in the translocation of the 33-kDa but not the 23-kDa subunit of the oxygen-evolving complex.

Authors: D Schuenemann; P Amin; E Hartmann; N E Hoffman
Journal: J Biol Chem Date: 1999-04-23 Impact factor: 5.157

2. In vitro reconstitution of insertion and processing of cytochrome f in a homologous chloroplast translation system.

Authors: T Röhl; K J van Wijk
Journal: J Biol Chem Date: 2001-07-17 Impact factor: 5.157

3. Use of Illumina sequencing to identify transposon insertions underlying mutant phenotypes in high-copy Mutator lines of maize.

Authors: Rosalind Williams-Carrier; Nicholas Stiffler; Susan Belcher; Tiffany Kroeger; David B Stern; Rita-Ann Monde; Robert Coalter; Alice Barkan
Journal: Plant J Date: 2010-04-19 Impact factor: 6.417

4. Cooperation of stop-transfer and conservative sorting mechanisms in mitochondrial protein transport.

Authors: Maria Bohnert; Peter Rehling; Bernard Guiard; Johannes M Herrmann; Nikolaus Pfanner; Martin van der Laan
Journal: Curr Biol Date: 2010-06-17 Impact factor: 10.834

5. A novel serine/proline-rich domain in combination with a transmembrane domain is required for the insertion of AtTic40 into the inner envelope membrane of chloroplasts.

Authors: Joanna Tripp; Kentaro Inoue; Kenneth Keegstra; John E Froehlich
Journal: Plant J Date: 2007-09-19 Impact factor: 6.417

6. Chloroplast SecA functions as a membrane-associated component of the Sec-like protein translocase of pea chloroplasts.

Authors: S R Haward; J A Napier; J C Gray
Journal: Eur J Biochem Date: 1997-09-15

7. Analysis of 81 genes from 64 plastid genomes resolves relationships in angiosperms and identifies genome-scale evolutionary patterns.

Authors: Robert K Jansen; Zhengqiu Cai; Linda A Raubeson; Henry Daniell; Claude W Depamphilis; James Leebens-Mack; Kai F Müller; Mary Guisinger-Bellian; Rosemarie C Haberle; Anne K Hansen; Timothy W Chumley; Seung-Bum Lee; Rhiannon Peery; Joel R McNeal; Jennifer V Kuehl; Jeffrey L Boore
Journal: Proc Natl Acad Sci U S A Date: 2007-11-28 Impact factor: 11.205

3. Evaluation of biotransformation capacity of transplastomic plants and hairy roots of Nicotiana tabacum expressing human cytochrome P450 2D6.

Authors: Y V Sheludko; I M Gerasymenko; F J Herrmann; H Warzecha
Journal: Transgenic Res Date: 2022-04-13 Impact factor: 3.145

Review 4. Co-Translational Protein Folding and Sorting in Chloroplasts.

Authors: Fabian Ries; Claudia Herkt; Felix Willmund
Journal: Plants (Basel) Date: 2020-02-07

4 in total

Two paths diverged in the stroma: targeting to dual SEC translocase systems in chloroplasts.

1. Chloroplast SecY is complexed to SecE and involved in the translocation of the 33-kDa but not the 23-kDa subunit of the oxygen-evolving complex.

2. In vitro reconstitution of insertion and processing of cytochrome f in a homologous chloroplast translation system.

3. Use of Illumina sequencing to identify transposon insertions underlying mutant phenotypes in high-copy Mutator lines of maize.

4. Cooperation of stop-transfer and conservative sorting mechanisms in mitochondrial protein transport.

5. A novel serine/proline-rich domain in combination with a transmembrane domain is required for the insertion of AtTic40 into the inner envelope membrane of chloroplasts.

6. Chloroplast SecA functions as a membrane-associated component of the Sec-like protein translocase of pea chloroplasts.

7. Analysis of 81 genes from 64 plastid genomes resolves relationships in angiosperms and identifies genome-scale evolutionary patterns.

8. Two nuclear mutations disrupt distinct pathways for targeting proteins to the chloroplast thylakoid.

Review 9. Channel crossing: how are proteins shipped across the bacterial plasma membrane?

10. Structure of the SecY channel during initiation of protein translocation.

Review 1. Evolution of protein transport to the chloroplast envelope membranes.

Review 2. Liquid-Liquid Phase Separation Phenomenon on Protein Sorting Within Chloroplasts.

3. Evaluation of biotransformation capacity of transplastomic plants and hairy roots of Nicotiana tabacum expressing human cytochrome P450 2D6.

Review 4. Co-Translational Protein Folding and Sorting in Chloroplasts.