ORIGINAL RESEARCH article
Front. Ecol. Evol.
Sec. Evolutionary and Population Genetics
Volume 13 - 2025 | doi: 10.3389/fevo.2025.1582204
Genetic variation of three wild zebrafish population (Danio rerio) in Bangladesh
Provisionally accepted
Md Khademul Islam1
Md Badruddoza1Sumaiya Binte salam1Mohammad Shamimul Alam1
Md Alamgir Kabir2*Md Golam Rabbane2*- 1University of Dhaka, Dhaka, Dhaka, Bangladesh
- 2Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
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Morphological and genetic diversity of three wild zebrafish populations in Bangladesh (Rangpur, Netrokona, and Cumilla) were elucidated using DNA barcoding and Random Amplified Polymorphic DNA (RAPD). Morphometric variation was minimal therefore, RAPD profiling and DNA barcoding were also used. Total 236 bands, including 29 polymorphic bands and 2 unique bands in RAPD showed 14.09% polymorphism indicating a low genetic diversity among them. Genetic distances were ranged from 0.0048 to 0.1031, with the highest genetic distance between Rangpur and Netrokona populations. DNA barcoding showed 99% similarity to Danio rerio from the GenBank, and multiple sequence alignment confirmed high genetic similarity (99.41) among these populations. Phylogenetic analysis showed these three zebrafish populations were grouped into distinct clusters, supporting the presence of genetic structure across populations. These information provides an essential reference data for the conservation, management, and potential selective breeding of zebrafish. The findings of this research also emphasize the efficacy of DNA barcoding and RAPD as complementary methods in the study of population genetics.
Keywords: danio rerio, Zebrafish, Morphometric difference, genetic diversity, RAPD, DNAbarcoding
Received: 24 Feb 2025; Accepted: 24 Sep 2025.
Copyright: © 2025 Islam, Badruddoza, salam, Alam, Kabir and Rabbane. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Md Alamgir Kabir, makabir@du.ac.bd
Md Golam Rabbane, rabbane@du.ac.bd
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