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CLASSIFICATION OF PLANCTONEMA-LIKE ALGAE, INCLUDING A NEW GENUS PLANCTONEMOPSIS GEN. NOV., A NEW SPECIES PLANCTONEMA GELATINOSUM SP NOV AND A REINSTATED GENUS PSEPHONEMA (TREBOUXIOPHYCEAE, CHLOROPHYTA)
Liu, Xudong1,2; Zhu, Huan1; Liu, Benwen1,2; Liu, Guoxiang1; Hu, Zhengyu3
2017-08-01
Source PublicationJOURNAL OF PHYCOLOGY
ISSN0022-3646
Volume53Issue:4Pages:869-879
Abstract

Planctonema-like species consist of planktonic green algae and are found throughout the world. Their characteristic morphology, which includes short and slender filaments consisting of side-by-side or distant cylindrical cells enclosed in a fine and hyaline sheath, makes them easily distinguishable. To date, Planctonema lauterbornii was the only taxon accepted for this group. However, descriptions from different materials have revealed notable morphological differences, including the presence/absence of a pyrenoid, a mucilage sheath and an apical thickening of the cell wall. In this study, six strains of Planctonema-like species were identified and successfully cultured in the laboratory. We used a molecular approach to determine their taxonomic relationships and phylogenetic positions. The molecular analysis resolved them to at least three genera. The genus Planctonema was positioned in Trebouxiophyceae as an incertae sedis taxon that is closely related to Oocystaceae and was divided into two species. Planctonema gelatinosum was determined to be a new species with approximately twice the width and a thicker mucilage sheath, which differentiated it from the type species Planctonema lauterbornii. The genus Psephonema was reinstated based on 1.5-2 times length-width ratio than Planctonema and the big difference on the rbcL cpDNA gene marker and an intron insertion in the 18S rDNA. A new genus, Planctonemopsis, which represents the pyrenoid-present strains among the Planctonema-like species, was established. Planctonemopsis was positioned within Oocystaceae as a new clade and is distantly related to the other two genera. Taxonomic diversity was proven by distinctive morphological differences and phylogenetic divergence in the Planctonema-like group identified herein.

KeywordOocystaceae Planctonema gelatinosum sp nov. Planctonema-like Planctonemopsis distans Planctonemopsis gen. nov. Psephonema Psephonema aenigmaticum
DOI10.1111/jpy.12551
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31670202]
WOS Research AreaPlant Sciences ; Marine & Freshwater Biology
WOS SubjectPlant Sciences ; Marine & Freshwater Biology
WOS IDWOS:000409242000011
WOS KeywordPHYLOGENETIC POSITION ; GREEN-ALGAE ; LAKE ; PHYTOPLANKTON ; SCHMIDLE ; OOCYSTIS
PublisherWILEY
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/31519
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorLiu, Guoxiang
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,Liu, Benwen,et al. CLASSIFICATION OF PLANCTONEMA-LIKE ALGAE, INCLUDING A NEW GENUS PLANCTONEMOPSIS GEN. NOV., A NEW SPECIES PLANCTONEMA GELATINOSUM SP NOV AND A REINSTATED GENUS PSEPHONEMA (TREBOUXIOPHYCEAE, CHLOROPHYTA)[J]. JOURNAL OF PHYCOLOGY,2017,53(4):869-879.
APA Liu, Xudong,Zhu, Huan,Liu, Benwen,Liu, Guoxiang,&Hu, Zhengyu.(2017).CLASSIFICATION OF PLANCTONEMA-LIKE ALGAE, INCLUDING A NEW GENUS PLANCTONEMOPSIS GEN. NOV., A NEW SPECIES PLANCTONEMA GELATINOSUM SP NOV AND A REINSTATED GENUS PSEPHONEMA (TREBOUXIOPHYCEAE, CHLOROPHYTA).JOURNAL OF PHYCOLOGY,53(4),869-879.
MLA Liu, Xudong,et al."CLASSIFICATION OF PLANCTONEMA-LIKE ALGAE, INCLUDING A NEW GENUS PLANCTONEMOPSIS GEN. NOV., A NEW SPECIES PLANCTONEMA GELATINOSUM SP NOV AND A REINSTATED GENUS PSEPHONEMA (TREBOUXIOPHYCEAE, CHLOROPHYTA)".JOURNAL OF PHYCOLOGY 53.4(2017):869-879.
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