Biomass, nutrient uptake and fatty acid composition of <i>Chlamydomonas</i> sp. ICE-L in response to different nitrogen sources

AN Meiling; WANG Yibin; LIU Fangming; QI Xiaoqing; ZHENG Zhou; YE Naihao; SUN Chengjun; MIAO Jinlai

doi:10.1007/s13131-017-0984-4

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Article Navigation > Acta Oceanologica Sinica > 2017 > 36(2): 105-110

AN Meiling, WANG Yibin, LIU Fangming, QI Xiaoqing, ZHENG Zhou, YE Naihao, SUN Chengjun, MIAO Jinlai. Biomass, nutrient uptake and fatty acid composition of Chlamydomonas sp. ICE-L in response to different nitrogen sources[J]. Acta Oceanologica Sinica, 2017, 36(2): 105-110. doi: 10.1007/s13131-017-0984-4

Citation:

AN Meiling, WANG Yibin, LIU Fangming, QI Xiaoqing, ZHENG Zhou, YE Naihao, SUN Chengjun, MIAO Jinlai. Biomass, nutrient uptake and fatty acid composition of Chlamydomonas sp. ICE-L in response to different nitrogen sources[J]. Acta Oceanologica Sinica, 2017, 36(2): 105-110. doi: 10.1007/s13131-017-0984-4

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Biomass, nutrient uptake and fatty acid composition of Chlamydomonas sp. ICE-L in response to different nitrogen sources

doi: 10.1007/s13131-017-0984-4

1.
The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Qingdao University, Qingdao 266071, China
2.
The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, China
3.
The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
4.
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
5.
The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Qingdao University, Qingdao 266071, China;Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, China

Received Date: 2015-12-12
Rev Recd Date: 2016-04-14

Abstract

Abstract

Nitrogen removal from media by microalgae provides the potential benefit of producing lipids for biodiesel and biomass. However, research is limited on algal growth and biomass under different nitrogen sources and provides little insight in terms of biofuel production. We studied the influences of nitrogen sources on cell growth and lipid accumulation of Chlamydomonas sp. ICE-L, one of a promising oil rich micro algal species. Chlamydomonas sp. ICE-L grown in NH₄Cl medium had maximum growth rate. While the highest dry biomass of 0.28 g/L was obtained in media containing NH₄NO₃, the highest lipid content of 0.21 g/g was achieved under nitrogen-deficiency condition with a dry biomass of 0.24 g/L. In terms of total polyunsaturated fatty acids (PUFAs) production, NH₄NO₃ and NH₄Cl media performed better than nitrogen-deficiency and KNO₃ media. Furthermore, NH₄NO₃ and NH₄Cl media elucidated better results on C18:3 and C20:5 productions while KNO₃ and -N conditions were better in C16:0, C18:1 and C18:2, comparatively.
- Antarctic ice alga,
- Chlamydomonas sp. ICE-L,
- nitrogen-deficiency condition,
- nutrient uptake,
- polyunsaturated fatty acids (PUFAs)

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References(30)

References

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