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@ARTICLE{Hegewald:4813,
author = {Hegewald, E. and Wolf, M and Keller, A. and Friedl, T. and
Krienitz, L.},
title = {{ITS}2 sequence-structure phylogeny in the {S}cenedesmaceae
with special reference to {C}oelastrum ({C}hlorophyta,
{C}hlorophyceae), including the new genera {C}omasiella and
{P}ectinodesmus},
journal = {Phycologia},
volume = {49},
issn = {0031-8884},
address = {Lawrence, KS},
publisher = {Soc.},
reportid = {PreJuSER-4813},
pages = {325 - 335},
year = {2010},
note = {We thank L. Wei for the alignment of strain Krienitz
2005-45, D. Hepperle for the alignments of six strains and
T. Holtmann for translating the diagnosis into Latin
language. We thank W. Schroeder (Figs 2-7, 11-13) and H.-P.
Bochem for SEM photos (Figs 15-17) and the reviewers and the
associate editor for valuable comments and language
corrections. L. Krienitz and M. Wolf were supported by
grants of the Deutsche Forschungsgemeinschaft (DFG). A.
Keller acknowledges the support of the BIGSS graduate
school. This work was supported by a grant extended by the
German Ministry of Education and Research (BMBF) to TF,
contract 01LC0026, project BIOLOG 'AlgaTerra AT4'.},
abstract = {Sequences and secondary structures of the nuclear-encoded
internal transcribed spacer 2 (ITS2) ribosomal RNA of nine
Coelastrum taxa, Asterarcys quadricellulare (Coelastraceae).
Westella botryoides (hitherto Oocystaceae) and
Dimorphococcus lunatus (Scenedesmaceae) were determined and
compared with existing GenBank entries of scenedesmacean
taxa (Desmodesmus, Enallax, Neodesmus Scenedesmus).
Phylogenetic analyses showed that the studied Coelastrum
taxa belong to several different lineages within the
Scenedesmaceae: five Coelastrum taxa (Coelastrum microporum,
Coelastrum astroideum, C. astroideum var. rugosum =
Coelastrum rugosum, Coelastrum pseudomicroporum and
Coelastrum sphaericum incl. Coelastrum proboscideum) form
monophyletic clades, whereas two strains labeled Coelastrum
morum belong to different genera. The African strain of C.
martini clusters with Coelastrum cambricum. The Finnish
strain labeled C. morum clusters with Asterarcys,
Dimorphococcus and Hariotina. According to its morphology
this strain belongs to Coelastrella, related to Coelastrella
saiponensis. Westella botryoides belongs to a separate elude
within the Scenedesmaceae. Coelastrum reticulatum is
positioned in the chide with Asterarcys, Dimorphococcus and
Coelastrella; hence its separation in a separate genus, as
originally described (Hariotina), is justified. In general,
the phylogenetic analysis of ITS2 data shows that the
Coelastraceae are included in the monophyletic
Scenedesmaceae, and thus the splitting into two families is
not justified, but they belong to the monophyletic subfamily
Coelastroidea. The genera Comasiella and Pectinodesmus are
newly erected, and several new combinations are proposed.},
keywords = {J (WoSType)},
cin = {ICG-3},
ddc = {580},
cid = {I:(DE-Juel1)ICG-3-20090406},
pnm = {Terrestrische Umwelt},
pid = {G:(DE-Juel1)FUEK407},
shelfmark = {Plant Sciences / Marine $\&$ Freshwater Biology},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000280232300003},
doi = {10.2216/09-61.1},
url = {https://juser.fz-juelich.de/record/4813},
}