Cd-induced cytosolic proteome changes in the cyanobacterium Anabaena sp. PCC7120 are mediated by LexA as one of the regulatory proteins

Srivastava, Akanksha; Kumar, Arvind; Biswas, Subhankar; Srivastava, Vaibhav; Rajaram, Hema; Mishra, Yogesh

doi:10.1016/j.bbapap.2023.140902

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

2023

DOI: 10.1016/j.bbapap.2023.140902

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Cd-induced cytosolic proteome changes in the cyanobacterium Anabaena sp. PCC7120 are mediated by LexA as one of the regulatory proteins

Akanksha Srivastava

Arvind Kumar

Subhankar Biswas

et al.

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2024

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Cited by 2 publications

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Elucidating the structure of novel cyanobacterial siderophore produced by Anabaena oryzae and its implication in removal of cadmium

Singh,

Bhattacharjee,

Bhardwaj

et al. 2024

J Appl Phycol

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Elucidating the structure of novel cyanobacterial siderophore produced by Anabaena oryzae and its implication in removal of cadmium

Singh,

Bhattacharjee,

Bhardwaj

et al. 2024

J Appl Phycol

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FurC (PerR) contributes to the regulation of peptidoglycan remodeling and intercellular molecular transfer in the cyanobacterium Anabaena sp. strain PCC 7120

Sarasa-Buisan,

Nieves-Morión,

Arévalo

et al. 2024

mBio

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Cyanobacteria are ubiquitous photosynthetic prokaryotes that can adapt to environmental stresses by modulating their extracellular contents. Measurements of the organization and composition of the extracellular milieu provide useful information about cyanobacterial adaptive processes, which can potentially lead to biomimetic approaches to stabilizing biological systems to adverse conditions. Anabaena sp. strain PCC 7120 is a multicellular, nitrogen-fixing cyanobacterium whose intercellular molecular exchange is mediated by septal junctions that traverse the septal peptidoglycan through nanopores. FurC (PerR) is an essential transcriptional regulator in Anabaena , which modulates the response to several stresses. Here, we show that furC -overexpressing cells result in a modified exoproteome and the release of peptidoglycan fragments. Phenotypically, important alterations in nanopore formation and cell-to-cell communication were observed. Our results expand the roles of FurC to the modulation of cell-wall biogenesis and recycling, as well as in intercellular molecular transfer.

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Cd-induced cytosolic proteome changes in the cyanobacterium Anabaena sp. PCC7120 are mediated by LexA as one of the regulatory proteins

Cited by 2 publications

References 71 publications

Elucidating the structure of novel cyanobacterial siderophore produced by Anabaena oryzae and its implication in removal of cadmium

Elucidating the structure of novel cyanobacterial siderophore produced by Anabaena oryzae and its implication in removal of cadmium

FurC (PerR) contributes to the regulation of peptidoglycan remodeling and intercellular molecular transfer in the cyanobacterium Anabaena sp. strain PCC 7120

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