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Ultrastructure of carotenoid mutant strain R-26 of Rhodopseudomonas sphaeroides

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Abstract

Stained thin-sections and freeze-fractured preparations of the carotenoid-less mutant strain R-26 of Rhodopseudomonas sphaeroides grown photosynthetically revealed 2 morphological kinds of intracellular membrane systems- spherical vesicles distributed throughout the cytoplasm and lamellae confined to the periphery of the cell. The lamellar membranes appeared to be large, flattened vesicles.

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Abbreviations

R:

Rhodopseudomonas

E:

exoplasmic-half

P:

protoplasmic-half

References

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Lommen, M.A.J., Takemoto, J. Ultrastructure of carotenoid mutant strain R-26 of Rhodopseudomonas sphaeroides . Arch. Microbiol. 118, 305–308 (1978). https://doi.org/10.1007/BF00429122

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Key words

  • Carotenoid mutant strain R-26-Rhodopseudomonas sphaeroides
  • Electron microscopy
  • Intracellular membranes