Taxonomic reassessment of <italic style="font-style: italic">Polysiphonia hainanensis</italic> (Rhodomelaceae, Rhodophyta) based on molecular and morphological analyses

Huaqiang TAN; Wenhua LIU; Ping LI

doi:10.1007/s00343-020-0092-8

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Taxonomic reassessment of Polysiphonia hainanensis (Rhodomelaceae, Rhodophyta) based on molecular and morphological analyses

Biology | Updated：2023-05-20

- Taxonomic reassessment of Polysiphonia hainanensis (Rhodomelaceae, Rhodophyta) based on molecular and morphological analyses
- Journal of Oceanology and Limnology Vol. 39, Issue 3, Pages: 1077-1084(2021)
- Affiliations：
  
  1.Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou 515063, China
  2.Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou), Guangzhou 511458, China
- Author bio：
  
  Ping LI, E-mail: liping@stu.edu.cn
- Funds：
- DOI：10.1007/s00343-020-0092-8
  CLC：
- Received：19 February 2020，
  
  Accepted：29 March 2020，
  
  Online First：03 June 2020，
  
  Published：2021-05
- Accepted：
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Huaqiang TAN, Wenhua LIU, Ping LI. Taxonomic reassessment of Polysiphonia hainanensis (Rhodomelaceae, Rhodophyta) based on molecular and morphological analyses[J]. Journal of Oceanology and Limnology, 2021, 39(3): 1077-1084.
DOI：

Huaqiang TAN, Wenhua LIU, Ping LI. Taxonomic reassessment of Polysiphonia hainanensis (Rhodomelaceae, Rhodophyta) based on molecular and morphological analyses[J]. Journal of Oceanology and Limnology, 2021, 39(3): 1077-1084. DOI： 10.1007/s00343-020-0092-8.

摘要

Abstract

Polysiphonia hainanensis

was previously described from Hainan

China

but DNA sequence had never been provided and its phylogenetic position in Polysiphonieae has not been clear so far. The classification of Polysiphonieae has changed recently based on the molecular analyses and detail morphological anatomy

consequently

the generic assignment of some species must be reassessed. In this study

we analyzed phylogenetic relationships of

hainanensis

and the related taxa in Polysiphonieae and Streblocladieae based on

rbc

L sequences

with specimens collected from the type locality and the area around. Two genetic types were detected

and formed a clade with

Bryocladia thyrsigera

with strong bootstrap support

in which the divergence was less than 0.81%. Furthermore

based on morphological analyses

we found characteristics of Chinese specimens

number of pericentral cells

percurrent axis

determinate branchlets

branching pattern

spermatangial axes development

and arrangement of tetrasporangia

etc.

were consistent with those of

Bryocladia

. Combined with morphological and molecular analyses

hainanensis

was taken a synonymous of

thyrsigera

and gametophytes of this species were found from China for the first time.

关键词

Keywords

references

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Related Author

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Related Institution

School of Life Science, Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University

Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore

School of Life Sciences, Jianghan University

Changjiang Basin Ecology and Environment Monitoring and Scientific Research Center, Changjiang Basin Ecology and Environment Administration, Ministry of Ecology and Environment

Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences

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Taxonomic reassessment of Polysiphonia hainanensis (Rhodomelaceae, Rhodophyta) based on molecular and morphological analyses

DOI：10.1007/s00343-020-0092-8

摘要

Abstract

关键词

Keywords

references