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@ARTICLE{Vanormelingen:56272,
      author       = {Vanormelingen, P. and Hegewald, E. and Braband, A. and
                      Kitschke, M. and Friedl, Th. and Sabbe, K. and Vyverman, W.},
      title        = {{T}he systematics of a small spineless {D}esmodesmus
                      species, {D}. {C}ostato-{G}ranulatus ({S}phaeropleales,
                      {C}hlorophyceae) based on {ITS}2 r{DNA} sequence analyses
                      and cell wall morphology},
      journal      = {Journal of phycology},
      volume       = {43},
      issn         = {0022-3646},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-56272},
      pages        = {378 - 396},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Desmodesmus species taxonomy is one of the most
                      long-standing issues in green microalgal systematics due to
                      problems associated with phenotypic plasticity. Whereas more
                      recent species descriptions and identifications are mainly
                      based on cell wall structures and the use of cultures,
                      comparisons with molecular phylogenies are largely lacking.
                      In this study, the phylogenetic relationships between 22
                      clones identified as Desmodesmus costato-granulatus (Skuja)
                      E. H. Hegew. were assessed using ITS2 rDNA sequence data in
                      combination with cell wall morphology. The unrooted ITS2
                      phylogeny showed that the clones cluster into five groups,
                      which also differ in their cell wall structures. Therefore,
                      the taxon is split into five species: D. costato-granulatus,
                      D. elegans, D. fennicus, D. regularis, and D.
                      ultrasquamatus. Compared with other Desmodesmus species,
                      intraspecific sequence variation is extensive and may
                      contain additional (pseudo)cryptic diversity. Compensatory
                      base changes were near-absent within the species and varied
                      from one to 11 between species. Relationships among the
                      species were unresolved. Despite this, they clustered
                      together with the two other Desmodesmus species having a
                      combination of small and large warts in a well-supported
                      lineage. Remarkably, ITS2 sequence variation in this lineage
                      is as high as between all other included Desmodesmus
                      species, even though the morphology of its members is rather
                      uniform.},
      cin          = {ICG-3},
      ddc          = {570},
      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:000245231700018},
      doi          = {10.1111/j.1529-8817.2007.00325.x},
      url          = {https://juser.fz-juelich.de/record/56272},
}