PMID: 8467074Mar 1, 1993Paper

The Rubisco activase (rca) gene is located downstream from rbcS in Anabaena sp. strain CA and is detected in other Anabaena/Nostoc strains

Plant Molecular Biology
L A LiF R Tabita

Abstract

A gene encoding ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco) activase (rca) was found downstream from the rbcLrbcS operon in the heterocystous cyanobacterium Anabaena sp. strain CA. Two unknown open reading frames were shown to be located between rbcS and rca in strain CA and all the genes, rbcLrbcS, ORF1, ORF2, and rca were in the same transcriptional orientation. The deduced amino acid sequence of the Anabaena Rubisco activase showed both similarities and differences to the plant enzyme with considerable differences at the carboxy and amino termini. Proposed ATP-binding sites were conserved in the cyanobacterial protein. Recombinant cyanobacterial Rubisco activase, however, reacted with antisera to spinach Rubisco activase. Hybridization studies, using the Anabaena sp. strain CA rca gene as a heterologous probe, detected homologous sequences in heterocystous Anabaena/Nostoc strains but not in unicellular or nonheterocystous filamentous cyanobacteria, suggestive of a close evolutionary relationship of chloroplasts and heterocystous cyanobacteria.

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Citations

Feb 1, 2002·Biochemical and Biophysical Research Communications·Nobuhiro R Hayashi, Yasuo Igarashi
Apr 2, 2013·Photosynthesis Research·Oliver Mueller-CajarAndreas Bracher
Sep 12, 2002·Annual Review of Plant Biology·Robert J Spreitzer, Michael E Salvucci
Sep 9, 2000·FEMS Microbiology Reviews·K S Smith, J G Ferry
Mar 19, 2016·The Plant Journal : for Cell and Molecular Biology·C Raul Gonzalez-EsquerCheryl A Kerfeld
Jun 19, 2007·Cell·Sandra SaschenbreckerManajit Hayer-Hartl
Sep 25, 2017·Critical Reviews in Biotechnology·Chukwuma C OgbagaMuhammad Ashraf
Sep 14, 2019·The New Phytologist·Sigal Lechno-YossefCheryl A Kerfeld
Nov 16, 2017·Plant Molecular Biology·Ragupathi Nagarajan, Kulvinder S Gill
Jun 6, 2017·Frontiers in Molecular Biosciences·Oliver Mueller-Cajar
Apr 27, 2017·Frontiers in Molecular Biosciences·Javaid Y BhatManajit Hayer-Hartl

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