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International Journal on Algae

Publication de 4  numéros par an

ISSN Imprimer: 1521-9429

ISSN En ligne: 1940-4328

SJR: 0.168 SNIP: 0.377 CiteScore™:: 0.6 H-Index: 11

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Response of the Tolypothrix scytonemoides (Gardner) Geitler (Cyanophyta) to Different pH

Volume 13, Numéro 2, 2011, pp. 193-202
DOI: 10.1615/InterJAlgae.v13.i2.90
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RÉSUMÉ

Cells of Tolypothrix scytonemoides grown at pH 8.5 had highest chlorophyll a content but total protein content, phycobilin pigments and rates of photosynthesis and respiration were highest in the control. Nitrogenase activity was highest at pH 6.5 but glutamine synthetase activity was more in cells grown at pH 8.5. Release of ammonia was enhanced at pH 10.5 while the release of carbohydrates was greatest in cells grown in unbuffered medium. Polypeptides of ∼50 and 36 kDa were detected only in cells grown at pH 9.5.

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