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KMID : 0545119920020040255
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Journal of Microbiology and Biotechnology
1992 Volume.2 No. 4 p.255 ~ p.259
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Nitrogen Assimilation of Hydrocarbon Producing Algae, Botryococcus braunii UTEX-572
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Kim, Yoon Jeong
Lee, Chan Yong/Lee, Ke Ho
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Abstract
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The effect of nitrate, nitrlte and ammonia as inorganic nitrogen sources on the modulation of nitrogen metabolism of Botryococcus braunii UTEX-572 has been studied under aeration. The primary process in the regulation of nitrogen metabolism by this alga has the nitrate uptake system. This uptake of nitrate operation was immediately inhibited by the presence of 0.5mM of ammonium and reversed by 0.2∼0.3mM ammonium. When cell were exposed to 5mM of ammonium for 24 hours the activity of nitrate reductase became inactive.
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