Adaptation to Low CO2 Level in a Mutant of Anacystis nidulans R2 which Requires High CO2 for Growth | Zendy

Tatsuo Omata | Zendy; Teruo Ogawa | Zendy; Yehouda Marcus | Zendy; Devorah Friedberg | Zendy; Aaron Kaplan | Zendy

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Adaptation to Low CO₂ Level in a Mutant of Anacystis nidulans R₂ which Requires High CO₂ for Growth

Author(s) -

Tatsuo Omata,

Teruo Ogawa,

Yehouda Marcus,

Devorah Friedberg,

Aaron Kaplan

Publication year - 1987

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.83.4.892

Subject(s) - mutant , adaptation (eye) , cyanobacteria , photosynthesis , biology , chemistry , genetics , botany , gene , bacteria , neuroscience

The mutant E(1) of Anacystis nidulans R(2) requires high CO(2) concentration for growth but was able to adapt to low CO(2) concentration. This was exhibited by the increased ability to accumulate inorganic carbon within the cells and the large increase in the amount of a 42-kilodalton polypeptide located in the cytoplasmic membrane. The adaptation occurred in E(1) cells at an extracellular CO(2) concentration as high as 0.3%, which was 8 times the concentration for maximal adaptation in R(2) cells. The ability of E(1) cells to exhibit low CO(2) characteristics at a higher CO(2) concentration was attributed to lower intracellular CO(2) concentration.

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