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Distribution of betaine lipids in 14 species of microalgae
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Yanrong Li1, 2, Tong Mu1, Lili Huang1, Jilin Xu2, *, Chengxu Zhou2, Xiaojun Yan2
Haiyang Xuebao | 2020, 42(12) : 72 - 81
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Haiyang Xuebao | 2020, 42(12): 72-81
• Article •
Distribution of betaine lipids in 14 species of microalgae
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Yanrong Li1, 2, Tong Mu1, Lili Huang1, Jilin Xu2, *, Chengxu Zhou2, Xiaojun Yan2
Affiliations
  • 1 Ningbo Institute of Oceanography, Ningbo 315832, China
  • 2 Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo 315832, China
Published: 2020-12-25 doi: 10.3969/j.issn.0253-4193.2020.12.008
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The qualitative and quantitative analyses on betaine lipids of microalgae were conducted by means of the quadrupole flight time ultra-high performance liquid chromatography tandem mass spectrometry (UPLC-Q-TOF-MS) using electron spraying ionization. As a result, 133 betaine lipids including 53 DGCC, 41 DGTS and 39 DGTA were identified from 14 species of microalgae in four major phyla. DGCC was the dominant betaine lipid in dinoflagellates and haptophytes, while DGTS was the main betaine lipid in chlorophytes. There were two main types of betaine lipid in diatoms: DGCC in centric diatom and DGTA in pennate diatom. The differences of fatty acid of betaine lipid in marine microalgae were only observed at the phyla and class levels, but at lower taxonomic levels the differences were less stable. DGCC existed in diatoms, dinoflagellates and chlorophytes, which contained C14−C18 saturated and unsaturated fatty acids and C20 and C22 polyunsaturated fatty acids. The difference in DGCC is that saturated C14−C18 fatty acids existed in dinoflagellates, while the fatty acids of odd carbon numbers C19 occurred only in diatoms. The results of description and molecular characterization of betaine lipid in microalgae can be served in future investigation in chemotaxonomy, physiology, ecological role of microalgae and functional properties of these phosphorous-lacking polar lipids.

microalgae  /  betaine lipids  /  UPLC-Q-TOF-MS
Yanrong Li, Tong Mu, Lili Huang, Jilin Xu, Chengxu Zhou, Xiaojun Yan. Distribution of betaine lipids in 14 species of microalgae[J]. Haiyang Xuebao, 2020 , 42 (12) : 72 -81 . DOI: 10.3969/j.issn.0253-4193.2020.12.008
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Year 2020 volume 42 Issue 12
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.12.008
  • Receive Date：2019-09-23
  • Online Date：2026-03-27
  • Published：2020-12-25
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  • Received：2019-09-23
  • Revised：2020-01-08
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    1 Ningbo Institute of Oceanography, Ningbo 315832, China
    2 Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Ningbo University, Ningbo 315832, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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