<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Gender identification of fish species is carried out mainly by examining external morphological characteristics, which in general, it is very complex and not always a reliable approach. Electrophoresis of plasma proteins can be used as an alternative and useful molecular tool for a more precise sex determination. The presence of female specific proteins in the plasma is a starting point for the application of this technique. In this study, reducing discontinuous sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) was applied to analyze plasma proteins of male and female koi carp (<italic>Cyprinus carpio haematopterus</italic>). Image analyses of electrophoregrams with resolved plasma proteins by SDS-PAGE showed that it is an appropriate technique to discriminate male from female samples. It is based on the presence of apolipoprotein B-100 which can be used as a suitable marker. Further amino acid characterization of apolipoprotein B-100 confirmed that it is a specific protein for female individuals.</p></abstract>

Gender identification of fish species is carried out mainly by examining external morphological characteristics, which in general, it is very complex and not always a reliable approach. Electrophoresis of plasma proteins can be used as an alternative and useful molecular tool for a more precise sex determination. The presence of female specific proteins in the plasma is a starting point for the application of this technique. In this study, reducing discontinuous sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) was applied to analyze plasma proteins of male and female koi carp (Cyprinus carpio haematopterus). Image analyses of electrophoregrams with resolved plasma proteins by SDS-PAGE showed that it is an appropriate technique to discriminate male from female samples. It is based on the presence of apolipoprotein B-100 which can be used as a suitable marker. Further amino acid characterization of apolipoprotein B-100 confirmed that it is a specific protein for female individuals.

Identification and partial characterization of a sex specific protein in Koi carp (<italic>Cyprinus carpio haematopterus</italic>)

Macedonia (the former Yugoslav Republic of)

School of Environmental and Natural Resources

Acta Veterinaria

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Identification and partial characterization of a sex specific protein in Koi carp ()

Gender identification of fish species is carried out mainly by examining external morphological characteristics, which in general, it is very complex and not...

Identification and partial characterization of a sex specific protein in Koi carp (Cyprinus carpio haematopterus)

Published Online: Jun 26, 2017

Page range: 285 - 291

Received: Aug 11, 2016

Accepted: Feb 22, 2017

DOI: https://doi.org/10.1515/acve-2017-0023

Keywords
koi carp, SDS-PAGE, apolipoprotein, structure

© 2017 Popovski Zoran et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Identification and partial characterization of a sex specific protein in Koi carp (Cyprinus carpio haematopterus)

Published Online: Jun 26, 2017

Page range: 285 - 291

Received: Aug 11, 2016

Accepted: Feb 22, 2017

DOI: https://doi.org/10.1515/acve-2017-0023

Keywordskoi carp, SDS-PAGE, apolipoprotein, structure

© 2017 Popovski Zoran et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
koi carp, SDS-PAGE, apolipoprotein, structure