شناسایی نشانگرهای SNP مشترک مؤثر بر صفات وزن بدن و برخی قطعات لاشه در بلدرچین ژاپنی

نوع مقاله : علمی - پژوهشی

نویسندگان

1 دانشآموخته کارشناسی ارشد،گروه علوم دامی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد

2 استادیار، گروه علوم دامی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد

3 دانشیار، گروه علوم دامی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد

4 استادیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه بوعلی سینا، همدان

5 دانشآموخته کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد

6 استادیار گروه بیوتکنولوژی پیشرفته و علوم محیطی، دانشگاه تحصیلات تکمیلی و فناوری پیشرفته، کرمان

7 دانشیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه صنعتی اصفهان، اصفهان

چکیده

هدف از این مطالعه بررسی نشانگرهای چند شکلی تک نوکلئوتیدی (SNP) مشترک مؤثر بر صفات وزن بدن در دو و چهار هفتگی، وزن سینه و لاشه (کشتار شده در چهار هفتگی) بود. بدین منظور از داده­های فنوتیپی 105 قطعه بلدرچین و 12798 نشانگر SNP استفاده شد. همبستگی فنوتیپی بین صفات مورد نظر با استفاده از مدل چهار صفتی برآورد شد به گونه­ای که اثرات جنس و هچ به‌عنوان اثرات ثابت در نظر گرفته شدند. هم‌چنین روش تابعیت تک نشانگری برای برآورد اثر هر نشانگر برای صفات مورد نظر به کار گرفته شد. نتایج نشان داد که اثر جنس و هچ بر چهار صفت مورد مطالعه معنی­دار بود (p < 0.0001). بیش‌ترین همبستگی بین وزن چهار هفتگی و وزن لاشه برآورد گردید (96/0). تعداد SNPهای مشترک موثر بر چهار صفت مذکور 3 و 36 عدد به‌ترتیب در سطوح معنی‌داری 1 و 5 درصد به‌دست آمدند. با توجه به همبستگی بالای بین صفات مورد بررسی، احتمالاً SNPهای مؤثر مشترک در بین چهار صفت بر روی ژن‌های کنترل‌کننده این صفات و یا در نزدیکی آن‌ها قرار گرفته҅اند. 

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Identification of Common Effective SNP Markers for Body Weight and Some Cut- Up Carcass Traits in Japanese Quail

نویسندگان [English]

  • Mina Zohrabi 1
  • Hossein Mehraban 2
  • Nasrollah Pirani 3
  • Ahmad Ahmadi 4
  • Narges Madahi 5
  • Elham Rezvannejad 6
  • Abbas Pakdel 7
1 M.Sc. Graduated Student, Department of Animal Science, Faculty of Agriculture, University of Shahrekord, Shahrekord
2 Assistant Professor, Department of Animal Science, Faculty of Agriculture, University of Shahrekord, Shahrekord
3 Associate Professor, Department of Animal Science, Faculty of Agriculture, University of Shahrekord, Shahrekord
4 Assistant Professor, Department of Animal Science, Faculty of Agriculture, University of Bu-Ali Sina, Hamedan
5 Graduated Student, Department of Animal Science, Faculty of Agriculture, University of Shahrekord, Shahrekord
6 Assistant Professor, Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman
7 Associate Professor, Department of Animal Science, Faculty of Agriculture, Isfahan University of Technology, Isfahan
چکیده [English]

The objective of this study was to investigate common effective single nucleotide polymorphism (SNP) on two and four week body weight, breast and carcass weights traits (slaughtered at 28 days of age) in Japanese quail. For this purpose, phenotypic data of 105 birds and 12798 SNPs were used. Phenotypic correlation among the interested traits were estimated using a multiple (four) trait model, such that the effects of sex and hatch were considered as a fixed effects. Also, a single marker regression method was applied to estimated marker (SNP) effect for each traits. The results showed that the effect of sex and hatch on the interested traits were significant (p < 0.0001). The highest correlation was estimated between four week body weight and carcass weight (0.96). The number of common effective SNPs were 3 and 36 for 1% and 5% significant levels, respectively. Due to the high correlation among these traits, probably common effective SNPs are located on or near the genes controlling these traits.

کلیدواژه‌ها [English]

  • Breast weight
  • Carcass weight
  • Phenotypic correlation
  • Single marker model

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دوفصلنامه فن آوری زیستی در کشاورزی(علمی-پژوهشی)
دوره 7، شماره 2
آذر 1395
صفحه 11-16

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