Title Description of Scottnema lindsayae Timm, 1971 (Rhabditida, Cephalobidae) from Taylor Valley, Antarctica and its phylogenetic relationship
Author Bostrom, S.; Holovachov, O.; Nadler, S.A.
Author Affil Bostrom, S., Swedish Museum of Natural History, Department of Invertebrate Zoology, Stockholm, Sweden. Other: University of California at Davis
Source Polar Biology, 34(1), p.1-12. Publisher: Springer-Verlag, Berlin, Germany. ISSN: 0722-4060
Publication Date Jan. 2011
Notes In English. 44 refs. GeoRef Acc. No: 308836
Index Terms Antarctica--McMurdo dry valleys; Taylor Valley; Antarctica; classification; ecology; genetics; Invertebrata; McMurdo dry valleys; phylogeny; physiology; taxonomy; Vermes; Victoria Land
Abstract The endemic Antarctic nematode Scottnema lindsayae is described from specimens collected in Taylor Valley, McMurdo Dry Valleys, Victoria Land. The recently collected material is compared with the original description and other subsequent descriptions of the species. A more complete scanning electron microscopy (SEM) study of the species is presented. The phylogenetic position of S. lindsayae is inferred using a secondary structure-based alignment of a partial sequence of nuclear Large Subunit (LSU) ribosomal DNA. Phylogenetic trees were inferred using base-paired substitution models implemented in PHASE 2 software and Bayesian inference, and show S. lindsayae as the sister group to Stegelletina taxa.
URL http://hdl.handle.net/10.1007/s00300-010-0850-8
Publication Type journal article
Record ID 91243