Inactivation of sll0136 gene in Synechocystis sp. PCC 6803 results in the disturbance in protein biogenesis of photosynthetic complexes

Inactivation of sll0136 gene in Synechocystis sp. PCC 6803 results in the disturbance in protein... The genome of cyanobacterium Synechocystis sp. PCC 6803 contains the sll0136 (pepP) gene encoding the putative homolog of proline aminopeptidase PII (AMPPII) of the heterotrophic bacterium Escherichia coli. AMPPII is known to cleave the N-terminal amino acid residue of peptides and proteins only in the case of a penultimate proline position. The Synechocystis sp. PCC 6803 insertion mutant with inactivated pepP gene is characterized by the reduced content of phycobiliproteins and also proteins of photosystem II, which may be related to the reduced synthesis or stability of corresponding proteins. A possible involvement of PepP in biogenesis of proteins of the photosynthetic apparatus is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Inactivation of sll0136 gene in Synechocystis sp. PCC 6803 results in the disturbance in protein biogenesis of photosynthetic complexes

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443713040134
Publisher site
See Article on Publisher Site

Abstract

The genome of cyanobacterium Synechocystis sp. PCC 6803 contains the sll0136 (pepP) gene encoding the putative homolog of proline aminopeptidase PII (AMPPII) of the heterotrophic bacterium Escherichia coli. AMPPII is known to cleave the N-terminal amino acid residue of peptides and proteins only in the case of a penultimate proline position. The Synechocystis sp. PCC 6803 insertion mutant with inactivated pepP gene is characterized by the reduced content of phycobiliproteins and also proteins of photosystem II, which may be related to the reduced synthesis or stability of corresponding proteins. A possible involvement of PepP in biogenesis of proteins of the photosynthetic apparatus is discussed.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Jun 18, 2013

References

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