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Euchlorocystis gen. nov and Densicystis gen. nov., Two New Genera of Oocystaceae Algae from High-altitude Semi-saline Habitat (Trebouxiophyceae, Chlorophyta)
Liu, Xudong1,2; Zhu, Huan1; Song, Huiyin1,2; Wang, Qinghua1,2; Xiong, Xiong1; Wu, Chenxi1; Liu, Guoxiang1; Hu, Zhengyu3
2018-03-01
Source PublicationJOURNAL OF EUKARYOTIC MICROBIOLOGY
ISSN1066-5234
Volume65Issue:2Pages:200-210
AbstractThe Oocystaceae family is generally considered to contain common freshwater eukaryotic microalgae, and few are reported living in semi-saline habitats. Our latest ecological survey in Qinghai Lake and Angzicuo Lake, both large, closed, high-altitude, semi-saline lakes located on the Qinghai-Tibet plateau in China, revealed Oocystaceae species as a dominant group among plankton. Since limited knowledge exists about semi-saline species in the Oocystaceae family, a taxonomical study was carried out using morphological and phylogenetic methods. Using this approach, four new strains of Oocystaceae were identified and successfully cultured in the lab. Molecular results correlated with morphological characters and resolved these species into at least three genera. A new genus, Euchlorocystis, with type species Euchlorocystis subsalina, is described here as having the distinctive morphology of multiple pyrenoids per chloroplast among Oocystaceae, and an independent phylogenetic position at the base of the Oocystaceae. Similarly, the genus Densicystis, with type species Densicystis glomerata, is newly proposed here as having a unique colony morphology of dozens or hundreds of little cells tightly embedded in ellipsoid to round mucilage masses. Oocystis marina, originally described from the Baltic Sea, was also identified in Qinghai Lake and Angzicuo Lake and phylogenetically positioned in the semi-saline clade of the Oocystaceae. The result that a marine species was detected in the closed inland lakes implies a further need to reevaluate the origins of these species.
SubtypeArticle
KeywordAngzicuo Lake Densicystis Glomerata Euchlorocystis Subsalina Oocystis Marina Qinghai Lake Semi-saline Species
DOI10.1111/jeu.12455
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China(31670202) ; National Natural Science Foundation of China(31670202) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700) ; National Natural Science Foundation of China(31670202) ; National Natural Science Foundation of China(31670202) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700)
Language英语
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS KeywordQINGHAI LAKE ; PHYLOGENETIC POSITION ; CHINA ; WATER ; SEDIMENTS
WOS IDWOS:000426628300006
Funding OrganizationNational Natural Science Foundation of China(31670202) ; National Natural Science Foundation of China(31670202) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700) ; National Natural Science Foundation of China(31670202) ; National Natural Science Foundation of China(31670202) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700) ; Special Foundment of Science and Technology Basic Work of China(2014FY210700)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/50904
Collection藻类生物学及应用研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xudong,Zhu, Huan,Song, Huiyin,et al. Euchlorocystis gen. nov and Densicystis gen. nov., Two New Genera of Oocystaceae Algae from High-altitude Semi-saline Habitat (Trebouxiophyceae, Chlorophyta)[J]. JOURNAL OF EUKARYOTIC MICROBIOLOGY,2018,65(2):200-210.
APA Liu, Xudong.,Zhu, Huan.,Song, Huiyin.,Wang, Qinghua.,Xiong, Xiong.,...&Hu, Zhengyu.(2018).Euchlorocystis gen. nov and Densicystis gen. nov., Two New Genera of Oocystaceae Algae from High-altitude Semi-saline Habitat (Trebouxiophyceae, Chlorophyta).JOURNAL OF EUKARYOTIC MICROBIOLOGY,65(2),200-210.
MLA Liu, Xudong,et al."Euchlorocystis gen. nov and Densicystis gen. nov., Two New Genera of Oocystaceae Algae from High-altitude Semi-saline Habitat (Trebouxiophyceae, Chlorophyta)".JOURNAL OF EUKARYOTIC MICROBIOLOGY 65.2(2018):200-210.
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