Nematology , 1999, Vol. 1(6), 591-612 Molecular and morphological characterisation of two reproductively isolated species with mirror-image anatomy (Nematoda: Cephalobidae) † Paul D E L EY 1 , * , Marie-Anne F ÉLIX 2 , ** , Linda M. F RISSE 3 , Steven A. N ADLER 4 , Paul W. S TERNBERG 2 and W. Kelley T HOMAS 3 1 Vakgrœp Biologie, Universiteit Gent, Ledeganckstraat 35, 9000 Gent, Belgium ; 2 California Institute of Technology, Biology 156-29, Pasadena, CA 91125, USA ; 3 Division of Molecular Biology and Biochemistry, School of Biological Sciences, University of Missouri, Kansas City, MO 64110, USA ; 4 Department of Nematology, One Shields Avenue, University of California, Davis, CA 95616, USA Accepted for publication: 15 December 1998 Summary – Detailed descriptions are given of the amphimictic nematode strains PS1158, PS2052 and PS2160, which are unusual in that they only differ in predominant body handedness. Although these strains are morphologically identical in all other respects, published reproductive data and new DNA sequence data of the D2/D3 region of the large subunit rRNA gene show that they do represent two separate species. On the basis of comparison with type material, the left-handed strains PS1158
Nematology – Brill
Published: Jan 1, 1999
Keywords: CEPHALOBUS; ACROBELOIDES; SEQUENCE ANALYSIS; SPECIES CONCEPT; TAXONOMY
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