Effect of Light with Different Wavelengths on Nostoc flagelliforme Cells in Liquid Culture
분야
자연과학 > 생물
저자
( Yu Jie Dai ) , ( Jing Li ) , ( Shu Mei Wei ) , ( Nan Chen ) , ( Yu Peng Xiao ) , ( Zhi Lei Tan ) , ( Shi Ru Jia ) , ( Nan Nan Yuan ) , ( Ning Tan ) , ( Yi Jie Song )
발행기관
한국미생물생명공학회(구 한국산업미생물학회)
간행물정보
Journal of Microbiology and Biotechnology 2013년, 제23권 제4호, 534~538페이지(총5페이지)
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05212251.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    The effects of lights with different wavelengths on the growth and the yield of extracellular polysaccharides of Nostoc flagelliforme cells were investigated in a liquid cultivation. N. flagelliforme cells were cultured for 16 days in 500 ml conical flasks containing BG11 culture medium under 27 μmol·m-2·s-1 of light intensity and 25oC on a rotary shaker (140 rpm). The chlorophyll a, phycocyanin, allophycocyanin, and phycoerythrin contents in N. flagelliforme cells under the lights of different wavelengths were also measured. It was found that the cell biomass and the yield of polysaccharide changed with different wavelengths of light. The biomass and the yield of extracellular polysaccharides under the red or violet light were higher than those under other light colors. Chlorophyll a, phycocyanin, and allophycocyanin are the main pigments in N. flagelliforme cells. The results showed that N. flagelliforme, like other cyanobacteria, has the ability of adjusting the contents and relative ratio of its pigments with the light quality. As a conclusion, N. flagelliforme cells favor red and violet lights and perform the complementary chromatic adaptation ability to acclimate to the changes of the light quality in the environment.
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