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Title: Iron induced metabolic changes in the diazotrophic cyanobacterium <i style="">Anabaena </i>PCC<i style=""> </i>7120
Authors: Saxena, Rishi Kumar
Raghuvanshi, Ruchika
Singh, Surendra
Bisen, Prakash Singh
Keywords: <i style="">Anabaena</i>
Metabolic change
Issue Date: Oct-2006
Publisher: CSIR
Abstract: Iron induced changes in growth , N<sub>2</sub>-fixation, CO<sub>2</sub> fixation and photosynthetic activity were studied in a diazotrophic cyanobacterium <i style="">Anabaena </i>PCC<i style=""> </i>7120. Iron at 50 µ<i style="">M</i> concentration supported the maximum growth, heterocyst frequency, CO<sub>2</sub> fixation, photosystem I (PS I), photosystem II (PS II) and nitrogenase activities in the organism. Higher concentration of iron inhibited these processes. Chl <i style="">a</i> and PS II activities were more sensitive to iron than the protein and PS I activity.
Description: 849-851
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.44(10) [October 2006]

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