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Responses of the macroalga Gracilaria tenuistipitata var. liui (Rhodophyta) to iron stress


Responses of the macroalga Gracilaria tenuistipitata var. liui (Rhodophyta) to iron stress



Journal of Applied Phycology 12(6): 605-612



ISSN/ISBN: 0921-8971

DOI: 10.1023/a:1026523213818

Chlorophyll, phycoerythrin, total N and total Fe in tissues of Fe-deficient cultures of Gracilaria tenuistipitata var. liui were measured over a period of 60 days. Fe uptake and photosynthetic carbon fixation were compared in Fe-rich and Fe-deficient cultures. Maximum carbon fixation decreased significantly under Fe-deficiency. Chlorophyll and phycoerythrin contents declined with decreasing tissue Fe content, falling, respectively, to 7.9 and 33.8% of their original values.

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Accession: 003918830

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