Metabolic Capacity of the Antarctic Cyanobacterium Phormidium pseudopriestleyi That Sustains Oxygenic Photosynthesis in the Presence of Hydrogen Sulfide

• Published in: Genes
• Main Authors: Jessica E. Lumian, Anne D. Jungblut, Megan L. Dillion, Ian Hawes, Peter T. Doran, Tyler J. Mackey, Gregory J. Dick, Christen L. Grettenberger, Dawn Y. Sumner
• Format: Article in Journal/Newspaper
• Language: English
• Published: MDPI AG 2021
• Subjects: cyanobacteria; cryosphere; genomics; sulfide; photosynthesis; lake; Genetics; QH426-470; Antarctic; Fryxell; Lake Fryxell; The Antarctic; Antarc*; Antarctica
• Online Access: https://doi.org/10.3390/genes12030426; https://doaj.org/article/a8e865cae42c4e78a50ecb44e3e68a60

Sulfide inhibits oxygenic photosynthesis by blocking electron transfer between H 2 O and the oxygen-evolving complex in the D1 protein of Photosystem II. The ability of cyanobacteria to counter this effect has implications for understanding the productivity of benthic microbial mats in sulfidic envi...