NDLI: Novel morphological and genetic tools to discriminate species among the family Plumatellidae (Phylactolaemata, Bryozoa)

Content Provider	Springer Nature Link
Author	Rubini, Andrea Pieroni, Giorgia Elia, Antonia Concetta Zippilli, Lorenza Paolocci, Francesco Taticchi, Maria Illuminata
Copyright Year	2011
Abstract	Some species of the freshwater bryozoans (Bryozoa, Phylactolaemata) belonging to the genus Plumatella are remarkably difficult to identify because of the large similarity of superficial architecture of their statoblasts. The examination of statoblasts by scanning electron microscope (SEM) has in fact resolved only some taxonomic questions. In this article, the authors report on novel morphological and molecular traits to discriminate among ten species of Plumatellidae (P. viganoi, P. repens, P. geimermassardi, P. rugosa, P. reticulata, P. casmiana, P. fungosa, P. emarginata, P. vaihiriae, and Hyalinella punctata). The former traits are based on shape, number, and position of annular chamber pores, whereas the latter reside on amplification and sequence analysis of the Internal Transcribed Spacer (ITS) region of nuclear rDNA. The successful amplification of ITS region from statoblasts and zooidial tubules allowed us to sequence this region on all the species investigated. The ITS sequences showed the presence of sufficient and informative polymorphisms to discriminate among morphologically similar species. It is noteworthy that the resulting ITS phylogenetic tree largely corroborated the distinction of at least two groups of freshwater bryozoans inferred on the basis of the annular chamber pore morphology. This study provides innovative approaches to reliably characterize freshwater bryozoans species and gain more insight into their taxonomy, phylogenetic relationship, and biodiversity.
Starting Page	81
Ending Page	93
Page Count	13
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	664
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-01-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plumatellidae Freshwater Bryozoa Statoblast morphology ITS region Zoology Freshwater & Marine Ecology Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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