Karyotype of the Eichwald’s Toad, Bufo eichwaldi (Amphibia: Bufonidae)-Reference-Cited by-同舟云学术

Karyotype of the Eichwald’s Toad, Bufo eichwaldi (Amphibia: Bufonidae)

Published:2014-12-25 Issue:4 Volume:318 Page:424-432
ISSN:0206-0477
Container-title:Proceedings of the Zoological Institute RAS
language:ru
Short-container-title:Proceedings ZIN

Author:

Skorinov D.V.¹,Berezina Y.A.²,Kidov A.A.³,Matushkina K.A.³,Pasynkova R.A.¹,Litvinchuk S.N.¹

Affiliation:

1. Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Pr. 4, 194064 Saint Petersburg, Russia

2. Secondary school No. 548, Marshala Kazakova St. 30А, 198332 Saint Petersburg, Russia

3. Russian State Agricultural Universtiy - K.A. Timiryazev’s Moscow Agricultural Academy, Timiryazevskaya St. 49, 127750 Moskow, Russia

Abstract

For the first time the karyotype of Bufo eichwaldi was described (2n = 22). It consists of 12 large metacentric (V), 8 small metacentric (v), and 2 small submetacentric chromosomes (sv): 12 V + 8 v + 2 sv, NF = 44. According to the number of chromosomes and arrangement of NORs (in the end of long arms of pairs 6), the karyotype of B. eichwaldi has no differences from karyotypes of close related B. bufo and B. verrucosissimus. The main difference is wide heterochromatin C-blocks in long arms of pair 10, which is present in B. eichwaldi and lacking in B. bufo and B. verrucosissimus. Moreover, in the Eichwald’s toad the pair 1 has, as a rule, larger size if compare with other two species. Additionally, these two species had two submetacentric chromosomes (pairs 4 and 7), but B. eichwaldi had only one (pair 7).

Publisher

Zoological Institute of the Russian Academy of Sciences

Subject

Insect Science,Animal Science and Zoology,Aquatic Science,Ecology, Evolution, Behavior and Systematics

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