Journal of Microbiology and Biotechnology 2015-02-01

Morphological, molecular, and biochemical characterization of astaxanthin-producing green microalga Haematococcus sp. KORDI03 (Haematococcaceae, Chlorophyta) isolated from Korea.

Ji Hyung Kim, Abu Affan, Jiyi Jang, Mee-Hye Kang, Ah-Ra Ko, Seon-Mi Jeon, Chulhong Oh, Soo-Jin Heo, Youn-Ho Lee, Se-Jong Ju, Do-Hyung Kang

文献索引:J. Microbiol. Biotechnol. 25(2) , 238-46, (2015)

全文:HTML全文

摘要

A unicellular red microalga was isolated from environmental freshwater in Korea, and its morphological, molecular, and biochemical properties were characterized. Morphological analysis revealed that the isolate was a unicellular biflagellated green microalga that formed a non-motile, thick-walled palmelloid or red aplanospore. To determine the taxonomical position of the isolate, its 18S rRNA and rbcL genes were sequenced and phylogenetic analysis was performed. We found that the isolate was clustered together with other related Haematococcus strains showing differences in the rbcL gene. Therefore, the isolated microalga was classified into the genus Haematococcus, and finally designated Haematococcus sp. KORDI03. The microalga could be cultivated in various culture media under a broad range of pH and temperature conditions. Compositions of the microalgal cellular components were analyzed, and its protein, carbohydrate, and lipid compositions were estimated to be 21.1 ± 0.2%, 48.8 ± 1.8%, and 22.2 ± 0.9%, respectively. In addition, D-glucose and D-mannose were the dominant monosaccharides in the isolate, and its amino acids were composed mainly of aspartic acid, glutamic acid, alanine, and leucine. Moreover, several polyunsaturated fatty acids accounted for about 80% of the total fatty acids in Haematococcus sp. KORDI03, and the astaxanthin content in the red aplanospores was estimated to be 1.8% of the dry cell weight. To the best of our knowledge, this is the first report of an Haematococcus sp. isolated from Korea, which may be used for bioresource production in the microalgal industry.


相关化合物

  • 乙醇
  • 十九烷酸
  • 锇酸酐
  • 戊二醛
  • 虾青素

相关文献:

Genetic and pharmacologic inhibition of eIF4E reduces breast cancer cell migration, invasion, and metastasis.

2015-03-15

[Cancer Res. 75(6) , 1102-12, (2015)]

Aptamer-based polyvalent ligands for regulated cell attachment on the hydrogel surface.

2015-04-13

[Biomacromolecules 16(4) , 1382-9, (2015)]

25-O-acetyl-23,24-dihydro-cucurbitacin F induces cell cycle G2/M arrest and apoptosis in human soft tissue sarcoma cells.

2015-04-22

[J. Ethnopharmacol. 164 , 265-72, (2015)]

Improved ethanol tolerance and ethanol production from glycerol in a streptomycin-resistant Klebsiella variicola mutant obtained by ribosome engineering.

2015-01-01

[Bioresour. Technol. 176 , 156-62, (2014)]

Polymerization of affinity ligands on a surface for enhanced ligand display and cell binding.

2014-12-08

[Biomacromolecules 15(12) , 4561-9, (2014)]

更多文献...