Karyotype Characteristics and the Composition of Hemoglobins in Chironomus sp. Ya3 (Diptera, Chironomidae) from the Pechora Delta

被引：0

作者：

Bolshakov V.V. ^{[1
]}

Fefilova E.B. ^{[2
]}

机构：

[1] Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok

[2] Institute of Biology, Komi Scientific Center, Ural Branch, Russian Academy of Sciences, Syktyvkar

来源：

Entomological Review | 2020年 / 100卷 / 1期

基金：

俄罗斯基础研究基金会;

关键词：

Chironomus; hemoglobins; karyotype; Pechora River; permafrost; riihimakiensis;

D O I：

10.1134/S0013873820010017

中图分类号：

学科分类号：

摘要：

Abstract: The paper reports data on the karyotype structure and hemoglobin composition of Chironomus sp. Ya3 (Kiknadze, Istomina et Salova, 1996) found in a pond in the Pechora River delta within the permafrost zone. The collected larvae morphologically corresponded to the original description. Of the 9 chromosome banding sequences detected in them, Ya3A2 and Ya3E2 were for the first time recorded in the homozygous and heterozygous state, respectively. Electrophoresis data demonstrated a complex hemoglobin structure. Disc electrophoresis revealed 9 fractions with relative mobility Rf from 0.43 to 0.84, formed by subunits with molecular weights from 11.5 to 15.6 kDa. The complex structure of the hemoglobin probably ensures survival of the species under the extreme local environmental conditions. The species resembles Ch. plumosus in the native hemoglobin composition and shows great similarity with Ch. riparius in the subunit composition of individual hemoglobin fractions. © 2020, Pleiades Publishing, Ltd.

引用

页码：1 / 6

页数：5

共 23 条

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