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28309

Cytogenetic and Meiotic Studies Reveal Conservatism in Acrida turrita (Linnaeus 1758) (Orthoptera: Acrididae) from Lagos, Nigeria

Article

Last updated: 22 Jan 2023

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Abstract

The Acrididae exhibits a stable karyotypic uniformity or conservatism and are a typical specimen for cytological and meiotic investigations. Despite the diversity and cytotaxonomic value of this family, however there are only a few studies on their karyology. This paper is therefore aimed at describing the karyotype and meiotic behaviours of chromosomes of Acrida turrita from Nigeria, West Africa. Ten (10) male A. turrita grasshoppers were randomly collected from different locations in the University of Lagos community between May and June, 2018. Their chromosome smears were prepared using the lacto-propionic orcein squash technique. The prepared slides were viewed under 100X oil immersion objectives. The study revealed conserved 23 acrocentric chromosomes (2n = 23) in all 10 male specimens as reported by previous studies. We also found out that the 11 autosomes are made up of ten Large, three Medium and three Small chromosomes and the X chromosome is Medium in size. No chromosomal aberrations were observed in the meiotic stages as all chromosomes chiasmate. Mean chiasma frequency was found out to be 131.700. Total chromosome length ranges from 2.300.374 µm to 12.200.126 µm  in chromosomes 1 and 11, respectively. 

DOI

10.21608/eajbsa.2019.28309

Keywords

meiosis, Chiasmata, Karyotype, Acrida turrita, Nigeria

Authors

First Name

Adekoya

Last Name

O.

MiddleName

K.

Affiliation

Cell Biology and Genetics Department, University of Lagos, Nigeria

Email

kadekoya@unilag.edu.ng

City

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Orcid

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First Name

Fakorede

Last Name

T.

MiddleName

S.

Affiliation

Cell Biology and Genetics Department, University of Lagos, Nigeria

Email

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City

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Orcid

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First Name

Okoro

Last Name

N.

MiddleName

A.

Affiliation

Cell Biology and Genetics Department, University of Lagos, Nigeria

Email

-

City

-

Orcid

-

First Name

Akpan

Last Name

U.

MiddleName

U.

Affiliation

Cell Biology and Genetics Department, University of Lagos, Nigeria

Email

-

City

-

Orcid

-

Volume

12

Article Issue

1

Related Issue

4595

Issue Date

2019-02-01

Receive Date

2019-01-13

Publish Date

2019-02-01

Page Start

153

Page End

161

Print ISSN

1687-8809

Online ISSN

2090-0813

Link

https://eajbsa.journals.ekb.eg/article_28309.html

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https://eajbsa.journals.ekb.eg/service?article_code=28309

Order

11

Type

Original Article

Type Code

667

Publication Type

Journal

Publication Title

Egyptian Academic Journal of Biological Sciences. A, Entomology

Publication Link

https://eajbsa.journals.ekb.eg/

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Article

Created At

22 Jan 2023