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A cytogenetic study on the rodent tapeworm Rodentolepis myoxi

Published online by Cambridge University Press:  12 April 2024

J.C. Casanova ,
M. Spakulová  and
N. Laplana
J.C. Casanova*
Affiliation:
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda Diagonal s/n, 08028, Barcelona, Spain:
M. Spakulová
Affiliation:
Parasitological Institute SAS, Hlinkova 3, 04001, Košice, Slovak Republic
N. Laplana
Affiliation:
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda Diagonal s/n, 08028, Barcelona, Spain:
*
*Fax: 934024504 E-mail: casanova@farmacia.far.ub.es
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Abstract

The karyotype of glirid tapeworm Rodentolepis myoxi (Rudolphi, 1819) (Cestoda: Hymenolepididae) comprises six pairs of small bi-armed chromosomes (2n = 12). All pairs of chromosomes possess uniform morphology, i.e. metacentric, submetacentric or meta-submetacentric types of structures. The formula of the karyotype structure is n = 2m + 1m-sm + 3sm. The absolute chromosome length ranges from 3.78 to 2.00 μm. The mean total length of the haploid complement is 15.98 μm. The first pair (group A) is the largest, pairs 2 and 3 can be grouped into group B while pairs 4–6 are smaller and can be classified as group C. The number of chromosomes of R. myoxi is the same for the congeneric species, however, karyological characteristics differ from all recently known karyotypes of rodent hymenolepidids.

Type
Research Article
Information
Journal of Helminthology , Volume 74 , Issue 2 , June 2000 , pp. 109 - 112
Copyright
Copyright © Cambridge University Press 2000

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