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Phylogenetic analysis of Pseudochlorodesmis strains reveals cryptic diversity above the family level in the siphonous green algae (Bryopsidales, Chlorophyta)

Heroen Verbruggen UGent, Caroline Vlaeminck UGent, Thomas Sauvage, Alison R Sherwood, Frédérik Leliaert UGent and Olivier De Clerck UGent (2009) JOURNAL OF PHYCOLOGY. 45(3). p.726-731
abstract
The genus Pseudochlorodesmis (Bryopsidales) is composed of diminutive siphons of extreme morphological simplicity. The discovery of Pseudochlorodesmis-like juveniles in more complex Bryopsidales (e.g., the Halimeda microthallus stage) jeopardized the recognition of this genus. Confronted with this uncertainty, taxonomists transferred many simple siphons into a new genus, Siphonogramen. In this study, we used a multimarker approach to clarify the phylogenetic and taxonomic affinities of the Pseudochlorodesmis-Siphonogramen (PS) complex within the more morphologically complex bryopsidalean taxa. Our analyses reveal a new layer of diversity largely distinct from the lineages containing the structurally complex genera. The PS complex shows profound cryptic diversity exceeding the family level. We discuss a potential link between thallus complexity and the prevalence and profundity of cryptic diversity. For taxonomic simplicity and as a first step toward clarifying the taxonomy of these simple siphons, we propose to maintain Pseudochlorodesmis as a form genus and subsume Siphonogramen and Botryodesmis therein.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
HALIMEDA, CYCLE, CAULERPALES, MOLECULAR PHYLOGENY, Bryopsidales, Botryodesmis, Siphonogramen, thallus complexity, Pseudochlorodesmis, cryptic diversity, molecular phylogenetics, INFERENCE, ALGORITHM, TAXONOMY, MODEL, GENE
journal title
JOURNAL OF PHYCOLOGY
J. Phycol.
volume
45
issue
3
pages
726 - 731
Web of Science type
Article
Web of Science id
000266714200020
JCR category
MARINE & FRESHWATER BIOLOGY
JCR impact factor
2.27 (2009)
JCR rank
13/88 (2009)
JCR quartile
1 (2009)
ISSN
0022-3646
DOI
10.1111/j.1529-8817.2009.00690.x
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
691573
handle
http://hdl.handle.net/1854/LU-691573
date created
2009-06-11 16:33:13
date last changed
2016-12-19 15:39:28
@article{691573,
  abstract     = {The genus Pseudochlorodesmis (Bryopsidales) is composed of diminutive siphons of extreme morphological simplicity. The discovery of Pseudochlorodesmis-like juveniles in more complex Bryopsidales (e.g., the Halimeda microthallus stage) jeopardized the recognition of this genus. Confronted with this uncertainty, taxonomists transferred many simple siphons into a new genus, Siphonogramen. In this study, we used a multimarker approach to clarify the phylogenetic and taxonomic affinities of the Pseudochlorodesmis-Siphonogramen (PS) complex within the more morphologically complex bryopsidalean taxa. Our analyses reveal a new layer of diversity largely distinct from the lineages containing the structurally complex genera. The PS complex shows profound cryptic diversity exceeding the family level. We discuss a potential link between thallus complexity and the prevalence and profundity of cryptic diversity. For taxonomic simplicity and as a first step toward clarifying the taxonomy of these simple siphons, we propose to maintain Pseudochlorodesmis as a form genus and subsume Siphonogramen and Botryodesmis therein.},
  author       = {Verbruggen, Heroen and Vlaeminck, Caroline and Sauvage, Thomas and Sherwood, Alison R and Leliaert, Fr{\'e}d{\'e}rik and De Clerck, Olivier},
  issn         = {0022-3646},
  journal      = {JOURNAL OF PHYCOLOGY},
  keyword      = {HALIMEDA,CYCLE,CAULERPALES,MOLECULAR PHYLOGENY,Bryopsidales,Botryodesmis,Siphonogramen,thallus complexity,Pseudochlorodesmis,cryptic diversity,molecular phylogenetics,INFERENCE,ALGORITHM,TAXONOMY,MODEL,GENE},
  language     = {eng},
  number       = {3},
  pages        = {726--731},
  title        = {Phylogenetic analysis of Pseudochlorodesmis strains reveals cryptic diversity above the family level in the siphonous green algae (Bryopsidales, Chlorophyta)},
  url          = {http://dx.doi.org/10.1111/j.1529-8817.2009.00690.x},
  volume       = {45},
  year         = {2009},
}

Chicago
Verbruggen, Heroen, Caroline Vlaeminck, Thomas Sauvage, Alison R Sherwood, Frédérik Leliaert, and Olivier De Clerck. 2009. “Phylogenetic Analysis of Pseudochlorodesmis Strains Reveals Cryptic Diversity Above the Family Level in the Siphonous Green Algae (Bryopsidales, Chlorophyta).” Journal of Phycology 45 (3): 726–731.
APA
Verbruggen, Heroen, Vlaeminck, C., Sauvage, T., Sherwood, A. R., Leliaert, F., & De Clerck, O. (2009). Phylogenetic analysis of Pseudochlorodesmis strains reveals cryptic diversity above the family level in the siphonous green algae (Bryopsidales, Chlorophyta). JOURNAL OF PHYCOLOGY, 45(3), 726–731.
Vancouver
1.
Verbruggen H, Vlaeminck C, Sauvage T, Sherwood AR, Leliaert F, De Clerck O. Phylogenetic analysis of Pseudochlorodesmis strains reveals cryptic diversity above the family level in the siphonous green algae (Bryopsidales, Chlorophyta). JOURNAL OF PHYCOLOGY. 2009;45(3):726–31.
MLA
Verbruggen, Heroen, Caroline Vlaeminck, Thomas Sauvage, et al. “Phylogenetic Analysis of Pseudochlorodesmis Strains Reveals Cryptic Diversity Above the Family Level in the Siphonous Green Algae (Bryopsidales, Chlorophyta).” JOURNAL OF PHYCOLOGY 45.3 (2009): 726–731. Print.