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Dergiler / Harran Üniversitesi Veteriner Fakültesi Dergisi / 2026 / Volume: 9 Issue: 1

A New Primer Designing for PCR-RFLP Analysis of A and B Genetic Variants of Bovine Kappa-Casein

Sığır Kappa-Kazeinin A ve B Genetik Varyantlarının PCR-RFLP Analizi için Yeni Bir Primer Dizaynı

Mevlut Arslan(VETERİNER FAKÜLTESİ)0000-0003-4883-4736
Sayfa
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Yayın Tarihi
2020-06-25
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

The primer described in this study can be used in further studies related to allele frequency researches and breeding strategies.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Bovine milk contains about 3.4% high-quality protein and it is very essential for human nutrition.
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Temel Bulgular & Veri:Kappa (κ) casein is one of the milk proteins and encoded by the CSN3 gene.
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Sonuç & Katkı:The primer described in this study can be used in further studies related to allele frequency researches and breeding strategies.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:süt · k-kazein · CSN3

Özet

Bovine milk contains about 3.4% high-quality protein and it is very essential for human nutrition. Kappa (κ) casein is one of the milk proteins and encoded by the CSN3 gene. Studies have shown that κ-casein has an important influence on milk properties and the manufacturing of milk. κ-casein takes role as a stabilizing factor during the curdling of milk, which makes it desired in the cheese factory. A and B genetic variants of κ-casein are well-known and well-studied. For the genotyping of bovines, the PCR-RFLP approach has been used. For this aim, different primer pairs have been used to amplify the polymorphic region of the CSN3 gene. In a previous study, the HinfI enzyme digestion of the polymorphic region resulted in short and similar length fragments. In agarose gel electrophoresis, separation of very similar DNA fragments is almost impossible and interpretation of the short DNA fragment sometimes causes challenges. Therefore, in this study, a new primer design was described. Using the new primer, longer DNA fragment was amplified successfully and HinfI digestion of the PCR product let to a longer and very different lengths of DNA fragments, which can be easily separated and interpreted in agarose gel electrophoresis. The primer described in this study can be used in further studies related to allele frequency researches and breeding strategies.

Abstract

İnek sütü yaklaşık %3,4 oranında yüksek kaliteli protein içerir ve insan beslenmesi için oldukça elzemdir. Kappa (κ) kazein, süt proteinlerinden birisidir ve CSN3 geni tarafından kodlanmaktadır. Çalışmalar κ-kazeinin sütün özellikleri ve işlenmesi üzerine önemli bir etkiye sahip olduğunu göstermektedir. κ-kazein sütün kesilmesi sürecinde stabilize edici bir faktör olarak rol almaktadır; bu durum, κ-kazeini peynir fabrikalarında istenilir hale getirmektedir. Kappa (κ) kazeinin A ve B genetik varyantları iyi bilinmekte ve yoğun çalışılmaktadır. Sığırların genotiplenmesi için PCR-RFLP yöntemi kullanılmaktadır. Bu amaçla, farklı primer çiftleri CSN3 geninin polimorfik bölgesini çoğaltmak için kullanılmaktadır. Önceki bir çalışmada, polimorfik bölgenin HinfI enzimi ile kesimi kısa ve benzer uzunlukta fragmentler oluşturdu. Agaroz jel elektroforezinde çok benzer DNA fragmentlerinin ayrımı neredeyse imkansızdır ve kısa DNA fragmentlerin yorumlanması bazen zorluklara sebep olmaktadır. Bu sebeple, bu çalışmada yeni bir primerin dizaynı tanımlandı. Yeni primerin kullanılamasıyla daha uzun DNA fragmenti başarılı bir şekilde çoğaltıldı ve bu PCR ürünlerinin HinfI kesimi, agaroz jel elektroforezinde kolaylıkla ayrılabilen ve yorumlanabilen çok farklı uzunlukta DNA fragmentlerinin oluşmasını sağladı. Bu çalışmada tanımlanan primer, allel frenkans araştırmaları ve yetiştirme stratejileri ile ilgili gelecek çalışmalarda kullanılabilir.

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Bu Makaleye Atıf Yap

Arslan, M. (2020). A New Primer Designing for PCR-RFLP Analysis of A and B Genetic Variants of Bovine Kappa-Casein. Harran Üniversitesi Veteriner Fakültesi Dergisi, Volume: 9 Issue: 1. https://doi.org/10.31196/huvfd.651821

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