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Physiology ofAnabaena khannae andChlorococcum humicola under fluoride stress

Bhatnagar, M., Bhatnagar, A.·2004·Folia Microbiologica
DOI 10.1007/bf02931045
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Abstract

Sodium fluoride showed pH-dependent physiological responses in the two test microalgae Anabaena khannae and Chlorococcum humicola. A. khannae showed severe membrane damage with fluoride at low pH with leakage of pigments and electrolytes. Annihilation of photosynthesis along with inhibition in 14C uptake was observed at pH 6 with 50 mg/L fluoride. While respiration was less affected in the cyanobacterium, C. humicola showed 30 % inhibition in respiratory activity. Resistance of C. humicola to fluoride toxicity has been attributed to the hindrance provided by the thick cell envelope, intracellular compartmentation and increase in extracellular pH as a consequence of its metabolism.

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Research works printed but not linked: 20

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Metadata

Authors
Bhatnagar, M., & Bhatnagar, A.
Venue
Folia Microbiologica
Publisher
Springer Science and Business Media LLC
Published
2004-05
Volume
49
Issue
3
Pages
291-296
ISSN
  • 0015-5632
  • 1874-9356
DOI
10.1007/bf02931045
Cited by
6
References
0
Language
en
Licence
www.springer.com/tdm (tdm)

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