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Chromosome Study of Ethiopian Bat Species (Order Chiroptera)

Received: 15 July 2021     Accepted: 2 August 2021     Published: 26 August 2021
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Abstract

In this study, chromosome numbers and karyotypes of 11 bat species were analyzed. The animals were captured alive by using nets and handpicking and then chromosome preparations were made from bone marrow cells with colchicines method. Bats were collected from nine localities in Ethiopia, namely: Arbaminch, Batu/Ziway, Waliso, Fiche, Bishoftu/Debre-Zeit, Sof-Umar, Koka, Merehabete and Adaba. The species name and the chromosome number (2n) with their corresponding autosomal fundamental number (FN) obtained are: Hipposideros caffer (2n = 32, FN = 60/62) and Triaenops persicus (2n = 36, FN = 60) are belong to family Hipposideridae; Chaerephon pumilus (2n = 48 and FN = 54/56) with metacentric, acrocentric and acrocentric chromosomes, Chaerephon leucogaster (2n = 48, FN = 54), and Mops condylura (2n = 48, FN = 54) are members of the family Molossidae; Pipistrellus pipistrellus (2n = 36, FN = 52) with metacentric and acrocentric chromosomes, Neoromicia nanus (2n = 36, FN = 48), Miniopterus africanus (2n = 46, FN = 54) and Scotophilus dingani (S. viridis) 2n = 36, FN = 54) with metacentric and acrocentric chromosomes are members of the family Vespertilionidae; Micropteropus pusillus (2n = 35/36, FN = 68) with all the chromosomes being biarmed belongs to family Pteropidae; Nycteris thebaica (2n = 42, FN = 78/80) with 40 biarmed and two acrocentric chromosomes is member of family Nycteridae. Totally, 15 different types of chromosome number, fundamental number and morphology were identified. C. leucogaster has not been recorded in the Ethiopian bats list before. All of these species are karyologically described for the first time from Ethiopia. Some of the karyotypic findings in the present study are in agreement with previous reports from other countries, except for the lack of report on one species (C. leucogaster). In our study, the encountered problems include: lack of karyotypic literatures on Ethiopian bats and taxonomic identification. It is recommended that more karyotypic study of bat species in the country should be done using additional techniques and due attentions should be given to the conservations of this threatened groups of animals because they are declining in diversity as well as in density.

Published in American Journal of Bioscience and Bioengineering (Volume 9, Issue 4)
DOI 10.11648/j.bio.20210904.14
Page(s) 123-130
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Bat, Chiroptera, Chromosome Number, Fundamental Number, Karyotype

References
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    Bekele Serbessa Tolera, Mulugeta Tafere Woldegebriel, Kifle Dagne Woldegebriel. (2021). Chromosome Study of Ethiopian Bat Species (Order Chiroptera). American Journal of Bioscience and Bioengineering, 9(4), 123-130. https://doi.org/10.11648/j.bio.20210904.14

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    Bekele Serbessa Tolera; Mulugeta Tafere Woldegebriel; Kifle Dagne Woldegebriel. Chromosome Study of Ethiopian Bat Species (Order Chiroptera). Am. J. BioSci. Bioeng. 2021, 9(4), 123-130. doi: 10.11648/j.bio.20210904.14

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    AMA Style

    Bekele Serbessa Tolera, Mulugeta Tafere Woldegebriel, Kifle Dagne Woldegebriel. Chromosome Study of Ethiopian Bat Species (Order Chiroptera). Am J BioSci Bioeng. 2021;9(4):123-130. doi: 10.11648/j.bio.20210904.14

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  • @article{10.11648/j.bio.20210904.14,
      author = {Bekele Serbessa Tolera and Mulugeta Tafere Woldegebriel and Kifle Dagne Woldegebriel},
      title = {Chromosome Study of Ethiopian Bat Species (Order Chiroptera)},
      journal = {American Journal of Bioscience and Bioengineering},
      volume = {9},
      number = {4},
      pages = {123-130},
      doi = {10.11648/j.bio.20210904.14},
      url = {https://doi.org/10.11648/j.bio.20210904.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.bio.20210904.14},
      abstract = {In this study, chromosome numbers and karyotypes of 11 bat species were analyzed. The animals were captured alive by using nets and handpicking and then chromosome preparations were made from bone marrow cells with colchicines method. Bats were collected from nine localities in Ethiopia, namely: Arbaminch, Batu/Ziway, Waliso, Fiche, Bishoftu/Debre-Zeit, Sof-Umar, Koka, Merehabete and Adaba. The species name and the chromosome number (2n) with their corresponding autosomal fundamental number (FN) obtained are: Hipposideros caffer (2n = 32, FN = 60/62) and Triaenops persicus (2n = 36, FN = 60) are belong to family Hipposideridae; Chaerephon pumilus (2n = 48 and FN = 54/56) with metacentric, acrocentric and acrocentric chromosomes, Chaerephon leucogaster (2n = 48, FN = 54), and Mops condylura (2n = 48, FN = 54) are members of the family Molossidae; Pipistrellus pipistrellus (2n = 36, FN = 52) with metacentric and acrocentric chromosomes, Neoromicia nanus (2n = 36, FN = 48), Miniopterus africanus (2n = 46, FN = 54) and Scotophilus dingani (S. viridis) 2n = 36, FN = 54) with metacentric and acrocentric chromosomes are members of the family Vespertilionidae; Micropteropus pusillus (2n = 35/36, FN = 68) with all the chromosomes being biarmed belongs to family Pteropidae; Nycteris thebaica (2n = 42, FN = 78/80) with 40 biarmed and two acrocentric chromosomes is member of family Nycteridae. Totally, 15 different types of chromosome number, fundamental number and morphology were identified. C. leucogaster has not been recorded in the Ethiopian bats list before. All of these species are karyologically described for the first time from Ethiopia. Some of the karyotypic findings in the present study are in agreement with previous reports from other countries, except for the lack of report on one species (C. leucogaster). In our study, the encountered problems include: lack of karyotypic literatures on Ethiopian bats and taxonomic identification. It is recommended that more karyotypic study of bat species in the country should be done using additional techniques and due attentions should be given to the conservations of this threatened groups of animals because they are declining in diversity as well as in density.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Chromosome Study of Ethiopian Bat Species (Order Chiroptera)
    AU  - Bekele Serbessa Tolera
    AU  - Mulugeta Tafere Woldegebriel
    AU  - Kifle Dagne Woldegebriel
    Y1  - 2021/08/26
    PY  - 2021
    N1  - https://doi.org/10.11648/j.bio.20210904.14
    DO  - 10.11648/j.bio.20210904.14
    T2  - American Journal of Bioscience and Bioengineering
    JF  - American Journal of Bioscience and Bioengineering
    JO  - American Journal of Bioscience and Bioengineering
    SP  - 123
    EP  - 130
    PB  - Science Publishing Group
    SN  - 2328-5893
    UR  - https://doi.org/10.11648/j.bio.20210904.14
    AB  - In this study, chromosome numbers and karyotypes of 11 bat species were analyzed. The animals were captured alive by using nets and handpicking and then chromosome preparations were made from bone marrow cells with colchicines method. Bats were collected from nine localities in Ethiopia, namely: Arbaminch, Batu/Ziway, Waliso, Fiche, Bishoftu/Debre-Zeit, Sof-Umar, Koka, Merehabete and Adaba. The species name and the chromosome number (2n) with their corresponding autosomal fundamental number (FN) obtained are: Hipposideros caffer (2n = 32, FN = 60/62) and Triaenops persicus (2n = 36, FN = 60) are belong to family Hipposideridae; Chaerephon pumilus (2n = 48 and FN = 54/56) with metacentric, acrocentric and acrocentric chromosomes, Chaerephon leucogaster (2n = 48, FN = 54), and Mops condylura (2n = 48, FN = 54) are members of the family Molossidae; Pipistrellus pipistrellus (2n = 36, FN = 52) with metacentric and acrocentric chromosomes, Neoromicia nanus (2n = 36, FN = 48), Miniopterus africanus (2n = 46, FN = 54) and Scotophilus dingani (S. viridis) 2n = 36, FN = 54) with metacentric and acrocentric chromosomes are members of the family Vespertilionidae; Micropteropus pusillus (2n = 35/36, FN = 68) with all the chromosomes being biarmed belongs to family Pteropidae; Nycteris thebaica (2n = 42, FN = 78/80) with 40 biarmed and two acrocentric chromosomes is member of family Nycteridae. Totally, 15 different types of chromosome number, fundamental number and morphology were identified. C. leucogaster has not been recorded in the Ethiopian bats list before. All of these species are karyologically described for the first time from Ethiopia. Some of the karyotypic findings in the present study are in agreement with previous reports from other countries, except for the lack of report on one species (C. leucogaster). In our study, the encountered problems include: lack of karyotypic literatures on Ethiopian bats and taxonomic identification. It is recommended that more karyotypic study of bat species in the country should be done using additional techniques and due attentions should be given to the conservations of this threatened groups of animals because they are declining in diversity as well as in density.
    VL  - 9
    IS  - 4
    ER  - 

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Author Information
  • Department of Biology, Wollega University, Nekemte, Ethiopia

  • Ethiopian Biodiversity Institute Bahir Dar Biodiversity Center, Bahir Dar, Ethiopia

  • Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, Ethiopia

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