NDLI: Is the genus Digramma synonymous to the genus Ligula (Cestoda: Pseudophyllidea)? : Evidence from ITS and 5′ end 28S rDNA sequences

Content Provider	Springer Nature Link
Author	Luo, H. Y. Nie, P. Yao, W. J. Wang, G. T. Gao, Q.
Copyright Year	2003
Abstract	The genus Digramma (Cestoda: Pseudophyllidea) described by Cholodkovsky in 1915 differs from the genus Ligula only by the number of the reproductive organs per proglottis. However, the occurrence of transitional forms in Digramma raises much confusion concerning its generic validity. In the present study, cestodes previously designated as Digramma and Ligula were collected from lakes in the lower and middle reaches of the Yangtze River, and also from Qinghai Lake on Qingzang plateau, China. The entire internal transcribed spacer of the ribosomal DNA (ITS rDNA) and 5′ end of 28S rDNA were compared between the Digramma and Ligula specimens. The low level of nucleotide variation between the two genera may imply that cestodes in the genus Digramma are paraphyletic to the Ligula genus, and Digramma is a synonym of Ligula. However, whether previously identified Digramma cestodes represent different species in the genus Ligula requires further investigation.
Starting Page	419
Ending Page	421
Page Count	3
File Format	PDF
ISSN	09320113
Journal	Parasitology Research
Volume Number	89
Issue Number	5
e-ISSN	14321955
Language	English
Publisher	Springer-Verlag
Publisher Date	2003-01-08
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Veterinary Parasitology Insect Science

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Is the genus Digramma synonymous to the genus Ligula (Cestoda: Pseudophyllidea)? : Evidence from ITS and 5′ end 28S rDNA sequences