PMID: 6402604Feb 1, 1983Paper

Thylakoid morphology of the cyanobacteria Anabaena variabilis and Nostoc MAC grown under light and dark conditions

Journal of Ultrastructure Research
G A Peschek, U B Sleytr

Abstract

Anabaena variabilis (ATCC 29413) and Nostoc sp. strain MAC were grown photoautotrophically and chemoheterotrophically. Thylakoid morphology of cells from both types of culture was investigated by freeze-etching electron microscopy. Peripheral and concentric arrays of thylakoid membranes seen in autotrophic cells were replaced, in heterotrophic cells, by numerous vesicular or tubular structures; the changes were reversible. Heterotrophic cells showed a reduced overall content of chlorophyll but started photosynthetic oxygen evolution immediately upon illumination. The results apparently show that in Anabaena and Nostoc the gross morphology of the intracytoplasmic membranes (thylakoid membranes) may depend on growth conditions similarly as is known for the photosynthetic bacteria sensu stricto (Rhodospirillales).

References

Nov 8, 1979·Biochimica Et Biophysica Acta·G A Peschek
Jan 1, 1977·Annual Review of Microbiology·R Y Stanier, G Cohen-Bazire
Feb 20, 1975·Nature·R A Singer, W F Doolittle
Jan 1, 1975·Archives of Microbiology·A W White, M Shilo
Nov 2, 1976·Archives of Microbiology·C P Wolk, P W Shaffer
Apr 18, 1972·Biochimica Et Biophysica Acta·J Oelze, G Drews
Sep 1, 1968·Journal of Bacteriology·M M Allen

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