Various discoveries are synthesized that challenge the prevailing view that these prokaryotes are metabolically disadvantaged by strict diurnal constraints, including studies that indicate the metabolic plasticity of these strains, potentially conferred by effective oxygen-protective mechanisms, including a robust circ...
A. Bandyopadhyay, M. Liberton, M. Bhattacharyya-Pakrasi et al.· Microbiology and Molecular B...· 0 citations
Iron-stress-induced protein A (IsiA) is a chlorophyll (Chl) a-containing protein in cyanobacteria. Under low-iron growth, it is the most abundant intracellular Chl a-binding protein. IsiA and the CP43 protein are suggested to have coevolved from a common ancestral protein, sharing similar spectroscopic properties. When...
D. Niedzwiedzki, S. Biswas, H. Pakrasi· Journal of Physical Chemistr...· 0 citations
Analysis of energetic properties of gel-embedded supercomplexes demonstrated that excitation energy transfer in the IsiA-PsaL complex is highly efficient, suggesting enhanced efficiency may be a key factor underlying the downsizing of the IsiA-PSI assembly, which could compensate for the smaller size of the complex.
S. Biswas, D. Niedzwiedzki, Kuo-En Chen et al.· Cell Reports Physical Scienc...· 0 citations
The structure and oligomeric states of the photosystem I–iron stress–induced protein A (PSI-IsiA) supercomplex from several species have been investigated using cryo–electron microscopy (cryo-EM) and atomic force microscopy. The cryo-EM structure of the PSI-IsiA complex from cyanobacterium Anabaena sp. PCC 7120 (7120)...
Ranel Maqdisi, D. Niedzwiedzki, Christopher A. Gorski et al.· Science Advances· 0 citations
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