Isolation of gas vacuole-less mutants of the blue-green alga Anabaenopsis raciborskii

@article{Das1976IsolationOG,
  title={Isolation of gas vacuole-less mutants of the blue-green alga Anabaenopsis raciborskii},
  author={Biswadip Das and Pradeep Kumar Singh},
  journal={Archives of Microbiology},
  year={1976},
  volume={111},
  pages={195-196}
}
From a bloom forming blue-green alga, Anabaenopsis raciborskii, spontaneous mutants, which had lost the ability to form gas vacuoles have been isolated; the mutant frequency was 4.8×10-3. The filaments of gas vacuole-less mutants settled at the bottom of flasks in liquid culture media unlike the parent alga. The growth and nitrogen fixation were comparatively poor in the mutants. 

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