2011
DOI: 10.1105/tpc.111.085779
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The Plasma Membrane of the Cyanobacterium Gloeobacter violaceus Contains Segregated Bioenergetic Domains  

Abstract: The light reactions of oxygenic photosynthesis almost invariably take place in the thylakoid membranes, a highly specialized internal membrane system located in the stroma of chloroplasts and the cytoplasm of cyanobacteria. The only known exception is the primordial cyanobacterium Gloeobacter violaceus, which evolved before the appearance of thylakoids and harbors the photosynthetic complexes in the plasma membrane. Thus, studies on G. violaceus not only shed light on the evolutionary origin and the functional… Show more

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Cited by 117 publications
(81 citation statements)
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“…Fig. 3 also reveals that the duplication event that gave rise to cyanoFtsH1 and cyanoFtsH2 occurred after the divergence of the genus Gloeobacter, which lacks thylakoid membranes and contains the photosynthetic apparatus in the cytoplasmic membrane (Rexroth et al 2011). This would suggest that the emergence of cyanoFtsH2, and the FtsH2/H3 complex involved in PSII repair, is linked to the development of the thylakoid membrane system.…”
Section: Classification Of Cyanobacterial Ftsh Paralogsmentioning
confidence: 87%
“…Fig. 3 also reveals that the duplication event that gave rise to cyanoFtsH1 and cyanoFtsH2 occurred after the divergence of the genus Gloeobacter, which lacks thylakoid membranes and contains the photosynthetic apparatus in the cytoplasmic membrane (Rexroth et al 2011). This would suggest that the emergence of cyanoFtsH2, and the FtsH2/H3 complex involved in PSII repair, is linked to the development of the thylakoid membrane system.…”
Section: Classification Of Cyanobacterial Ftsh Paralogsmentioning
confidence: 87%
“…Interestingly, hopanoids have also been observed in association with other specialized membranes, such as the thylakoid membranes in cyanobacteria and in the vesicle envelope of the root nodule symbionts Frankia spp. (44,45,49,50). The exact role of hopanoids in these diverse bacterial membranes is not fully understood.…”
Section: Discussionmentioning
confidence: 99%
“…Homologs of CurT are present in the majority of sequenced cyanobacterial strains (Supplemental Table S1). Notable exceptions include Gloeobacter species, which lack thylakoid membranes (Rippka et al, 1974;Rexroth et al, 2011;Saw et al, 2013) and therefore may not require orientation of membrane curvature or may regulate it by other means. In other bacterial species, this includes turgor pressure or force applied via cytoskeletal components (Cabeen et al, 2009).…”
Section: Discussionmentioning
confidence: 99%