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13662

Genetic Polymorphisms in Exon-3 region of Growth Hormone Gene in the Egyptian Goat Breeds

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Last updated: 22 Jan 2023

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Abstract

Background: In Egypt, the importance of goats comes from its potential source of meat and milk production. Thus, goat productivity improvement acts as a global strategy to provide Egyptians by important source of protein feeding. Molecular techniques have been employed to analyze growth hormone (GH) gene that promotes goat muscles, bone formation, regulating fat content and other important traits in goat. Our objective was to document and find out an accurate genetic marker sites, single nucleotide polymorphisms (SNPs) in exon-3 region of GH gene in some Egyptian goat breeds. Methods:  Fifteen blood samples were collected from three Egyptian goat breeds (Baladi, Barki and Zaraibi), DNA was isolated and primer was used to amplify GH gene region corresponding to exon-3 region. Finally, sequencing methodology was applied for PCR products regarding the three goat breeds. Results: The results showed four nucleotide substitutions; The first  SNP (CàT) was located at nucleotide position 106, the second SNP( GàA) was located at nucleotide position118 and the third  SNP (GàA) was located at nucleotide position 128 .Finally, the fourth  SNP (TàC) was located at nucleotide position 136. It was found that the SNP (GàA) at nucleotide position 128 caused an amino acid change from Glycine to Serine in the protein sequence of GH gene. Conclusion: Our findings demonstrated several genetic variations across exon-3 region of GH gene which can be used as marker in selection of goats with high valued traits. 

DOI

10.21608/eajbsc.2017.13662

Keywords

Egyptian Goat, Growth hormone gene, Sequencing, Single Nucleotide, Polymorphism (SNP)

Authors

First Name

Nermin

Last Name

El-Halawany

MiddleName

K.

Affiliation

Department of Cell Biology, Genetic Engineering Division, National Research Centre, Cairo, Egypt

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First Name

Fathy

Last Name

Abd-El-Razek

MiddleName

M.

Affiliation

Department of Chemistry, Faculty of Science, Cairo University, Cairo, Egypt

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Orcid

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First Name

Yasmin A

Last Name

El-Sayed

MiddleName

A.

Affiliation

Department of Cell Biology, Genetic Engineering Division, National Research Centre, Cairo, Egypt

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First Name

Afaf

Last Name

El-Werdany

MiddleName

-

Affiliation

Department of Cell Biology, Genetic Engineering Division, National Research Centre, Cairo, Egypt

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First Name

Abd-El-Monsif

Last Name

Shawky

MiddleName

A.

Affiliation

Department of Cell Biology, Genetic Engineering Division, National Research Centre, Cairo, Egypt

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Orcid

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First Name

Ahmed

Last Name

Al-Tohamy

MiddleName

F.

Affiliation

Department of Cell Biology, Genetic Engineering Division, National Research Centre, Cairo, Egypt

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City

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Orcid

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First Name

Hamdi

Last Name

Abdel-Shafy

MiddleName

-

Affiliation

Department of Animal Production, Faculty of Agriculture, Cairo University, Cairo, Egypt

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Volume

9

Article Issue

2

Related Issue

2646

Issue Date

2017-12-01

Receive Date

2018-09-15

Publish Date

2017-12-01

Page Start

1

Page End

8

Print ISSN

2090-0767

Online ISSN

2090-083X

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https://eajbsc.journals.ekb.eg/article_13662.html

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https://eajbsc.journals.ekb.eg/service?article_code=13662

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Original Article

Type Code

673

Publication Type

Journal

Publication Title

Egyptian Academic Journal of Biological Sciences. C, Physiology and Molecular Biology

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https://eajbsc.journals.ekb.eg/

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Created At

22 Jan 2023