تنوع میتوکندری و ساختار فیلوژنتیکی جمعیت بز مرخز
Subject Areas : Camelح.ر. سیدآبادی 1 , ک. پهلوان افشاری 2 , م. عبدالمالکی 3
1 - Department of Animal Biotechnology, Animal Science Research Institute, Karaj, Iran
2 - Department of Animal Science, Abhar Branch, Islamic Azad University, Abhar, Iran
3 - Department of Animal Science, Abhar Branch, Islamic Azad University, Abhar, Iran
Keywords: تنوع ژنتیکی, بز مرخز, DNA میتوکندری, فیلوژنتیک,
Abstract :
تنوع میتوکندری و ساختار فیلوژنتیکی جمعیت بز مرخز بر اساس توالی DNA میتوکندریایی مورد بررسی قرار گرفت. آنالیز فیلوژنتیکی بر اساس توالی ناحیه HVR1 ( 968 جفت باز) و بر روی 40 رأس بز مرخز انجام گرفت. نتایج نشان داد که جمعیت بز مرخز دارای تنوع ژنتیکی بسیار بالا ( میانگین تنوع هاپلوتیپی 999/0 و تنوع نوکلئوتیدی 022/0) میباشد. در بین 40 نمونه، 6 هاپلوتیپ مشاهده شد و بزرگترین هاپلوتیپ شامل 15 فرد بود. تمام هاپلوتیپها در هاپلوگروپ C و با فاصله ژنتیکی زیاد از سایر جمعیتهای بز آسیایی قرار گرفتند که این بیانگر تنوع ژنتیکی زیاد بز مرخز میباشد. تنوع ژنتیکی بالای مشاهده شده، در اصلاح نژاد و تعیین استراتژیهای حفاظت بز مرخز میتواند مؤثر باشد.
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