Response of growth and photosynthesis of marine red tide alga Heterosigma akashiwo to iron and iron stress condition

Abstract

Heterosigma akashiwo, a red tide alga, was grown in Fe-deficient and Fe-replete batch cultures. Cell final yields and the growth rate were limited when Fe was below 10 nM and alleviated with 100 nM Fe. By comparison with the results under Fe-replete conditions, chlorophyll a-specific and cell-specific light saturated net photosynthetic capacity (Pm chl a and Pm cell), dark respiration rate (Rd chl a and Rd cell) and apparent photosynthetic efficiency (αchl a and αcell) decreased proportionately, whereas the cells became light saturated at higher irradiance under Fe stress (Fe-limited conditions).

DOI: 10.1023/A:1015202620931

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@article{Li2004ResponseOG, title={Response of growth and photosynthesis of marine red tide alga Heterosigma akashiwo to iron and iron stress condition}, author={Dongxia Li and Wei Cong and Zhaoling Cai and Dingji Shi and Fan Ouyang}, journal={Biotechnology Letters}, year={2004}, volume={24}, pages={743-747} }