The new phycobilisome linker protein ApcI regulates high light adaptation inSynechocystissp. PCC 6803 DOI
Roberto Espinoza‐Corral, Tomáš Zavřel, Markus Sutter

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 15, 2024

Abstract Phycobilisomes are versatile cyanobacterial antenna complexes that harvest light energy to drive photosynthesis. These can also adapt various conditions, dismantling under high prevent photo-oxidation and arranging in rows low increase harvesting efficiency. Light quality influences phycobilisome structure function, as observed far-red exposure. Here we describe a new, linker protein, ApcI (previously hypothetical protein sll1911), expressed specifically red light. We characterized Synechocystis sp. PCC 6803 using mutant strain analyses, binding experiments, interaction studies. Mutation of apcI conferred tolerance compared wild type with reduced transfer from phycobilisomes the photosystems. Binding experiments revealed replaces ApcG at membrane-facing side core paralogous C-terminal domain. Additionally, N-terminal extension was found interact photosystem II. Our findings highlight importance remodeling for adaptation different conditions. The characterization provides new insights into mechanisms by which cyanobacteria optimize light-harvesting response varying environments.

Language: Английский

Protein Phosphorylation Nexus of Cyanobacterial Adaptation and Metabolism DOI Creative Commons
Taufiq Nawaz, Shah Fahad, Ruanbao Zhou

et al.

Kinases and Phosphatases, Journal Year: 2024, Volume and Issue: 2(2), P. 209 - 223

Published: June 20, 2024

Protein phosphorylation serves as a fundamental regulatory mechanism to modulate cellular responses environmental stimuli and plays crucial role in orchestrating adaptation metabolic homeostasis various diverse organisms. In cyanobacteria, an ancient phylum of significant ecological biotechnological relevance, protein emerges central axis mediating adaptive that are essential for survival growth. This exhaustive review thoroughly explores the complex terrain cyanobacterial metabolism, illustrating its forms functional implications. Commencing with overview physiology historical trajectory research prokaryotes, this navigates through mechanisms two-component sensory systems their interplay phosphorylation. Furthermore, it investigates different feeding modes cyanobacteria highlights between photoautotrophy, variables, susceptibility photo-inhibition. The elucidation coordinating light harvesting acquisition inorganic nutrients underscores importance physiology. novelty by synthesizing existing knowledge proposing future trajectories, thereby contributing deeper regulation

Language: Английский

Citations

4
Herbicide Pretilachlor Impairs Biofertilizer Potential of Anabaena doliolum: Integrating Proteomic Responses, Nitrogen fixation, and Computational Analysis DOI
Tripti Kanda, Rupanshee Srivastava, Sadhana Yadav

et al.

Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: unknown, P. 138673 - 138673

Published: May 1, 2025

Language: Английский

Citations

0
Celebrating Women in Proteomics and Metabolomics DOI Creative Commons
Ileana M. Cristea, Claire E. Eyers

Journal of Proteome Research, Journal Year: 2024, Volume and Issue: 23(8), P. 2675 - 2679

Published: Aug. 2, 2024

Language: Английский

Citations

0
The new phycobilisome linker protein ApcI regulates high light adaptation inSynechocystissp. PCC 6803 DOI
Roberto Espinoza‐Corral, Tomáš Zavřel, Markus Sutter

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 15, 2024

Abstract Phycobilisomes are versatile cyanobacterial antenna complexes that harvest light energy to drive photosynthesis. These can also adapt various conditions, dismantling under high prevent photo-oxidation and arranging in rows low increase harvesting efficiency. Light quality influences phycobilisome structure function, as observed far-red exposure. Here we describe a new, linker protein, ApcI (previously hypothetical protein sll1911), expressed specifically red light. We characterized Synechocystis sp. PCC 6803 using mutant strain analyses, binding experiments, interaction studies. Mutation of apcI conferred tolerance compared wild type with reduced transfer from phycobilisomes the photosystems. Binding experiments revealed replaces ApcG at membrane-facing side core paralogous C-terminal domain. Additionally, N-terminal extension was found interact photosystem II. Our findings highlight importance remodeling for adaptation different conditions. The characterization provides new insights into mechanisms by which cyanobacteria optimize light-harvesting response varying environments.

Language: Английский

Citations

0