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Rhizoclonium ramosum sp nov (Cladophorales, Chlorophyta), a new freshwater algal species from China
Zhao, Zhi-Juan1,2; Zhu, Huan1; Liu, Guo-Xiang1; Hu, Zheng-Yu3
2016
Source PublicationFOTTEA
ISSN1802-5439
Volume16Issue:1Pages:12-21
AbstractA novel freshwater filamentous green alga was collected from rocks situated in flowing water in Henan and Hunan provinces, central China. This alga was slender and soft and exhibited similar morphology to that of Rhizoclonium spp. It was attached to the substrate by rhizoids, and had parietal, reticulate chloroplasts. However, it exhibited true branches characteristic, from the basal to the apical parts of the filaments. There were a large number of nuclei (4-17) per cell. Two types of pyrenoids (bilenticular and, rarely, zonate) were observed using light microscopy and transmission electron microscopy. Phylogenetic analyses were mainly based on small subunit and large subunit rDNA sequences. Both morphological and phylogenetic analyses indicated that this alga should be classified under Rhizoclonium. The results of our culture and morphological comparisons supported the presence of true branches in Rhizoclonium. Thus, we proposed this alga as a new species, Rhizoclonium ramosum sp. nov. Moreover, the present study emphasizes that the cell diameter, length/cell diameter (L/D) ratio, nuclear number, and the presence of rhizoidal laterals are the key characteristics of the genus Rhizoclonium.
SubtypeArticle
KeywordRhizoclonium True Branches Phylogeny New Species Cladophorales
DOI10.5507/fot.2015.024
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China(31270252) ; National Natural Science Foundation of China(31270252) ; National Natural Science Foundation of China(31270252) ; National Natural Science Foundation of China(31270252)
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS KeywordRIBOSOMAL-RNA GENE ; ULVOPHYCEAE ; PHYLOGENY ; SEQUENCES
WOS IDWOS:000373585200002
Funding OrganizationNational Natural Science Foundation of China(31270252) ; National Natural Science Foundation of China(31270252) ; National Natural Science Foundation of China(31270252) ; National Natural Science Foundation of China(31270252)
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27942
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, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, State key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Zhi-Juan,Zhu, Huan,Liu, Guo-Xiang,et al. Rhizoclonium ramosum sp nov (Cladophorales, Chlorophyta), a new freshwater algal species from China[J]. FOTTEA,2016,16(1):12-21.
APA Zhao, Zhi-Juan,Zhu, Huan,Liu, Guo-Xiang,&Hu, Zheng-Yu.(2016).Rhizoclonium ramosum sp nov (Cladophorales, Chlorophyta), a new freshwater algal species from China.FOTTEA,16(1),12-21.
MLA Zhao, Zhi-Juan,et al."Rhizoclonium ramosum sp nov (Cladophorales, Chlorophyta), a new freshwater algal species from China".FOTTEA 16.1(2016):12-21.
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