نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ‌ارشد مهندسی منابع ‌طبیعی- محیط‌ زیست دانشکده منابع ‌طبیعی دانشگاه تهران

2 دانشیار گروه محیط زیست طبیعی، دانشکده منابع طبیعی، دانشگاه تهران،کرج،ایران

3 استادیار گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان،گرگان،ایران

چکیده

سگ‌ اهلی یکی از اعضای خانواده سگ‌سانان است که در حدود چندین هزار سال پیش با کنترل و اهلی­سازی گله­های کوچک گرگ به صورت حیوانات اهلی درآمدند. سگ‌های اهلی دارای تنوع ژنتیکی بالایی هستند و نژادهای بسیاری از سگ‌های‌ اهلی در دنیا گزارش شده است. در استان همدان نیز مردم بومیبه منظور ایجاد سگ‌های ‌گله قوی اقدام به دو رگه گیری سگ و گرگ می‌کنند. در این مطالعه با استفاده از توالی‌یابی ناحیه‌ کنترل ژنوم میتوکندری، جایگاه فیلوژئوگرافی (توزیع جغرافیایی تبارها) سگ‌های استان همدان و همچنین ارتباطات آن‌ها با سایر سگ‌های ایران بررسی شد. نتایج این مطالعه بر اساس هاپلوتیپ‌های تشکیل شده نشان داد که سگ‌های ایران و همینطور سگ‌های استان همدان دارای تنوع ژنتیکی بالایی هستند. سگ‌های استان همدان روابط پیچیده‌ای با یکدیگر دارند به نحوی که هاپلوتیپ‌های مشترک متعددی در بین آن‌ها مشاهده شد. همچنین سگ‌های این استان ارتباطات گسترده‌ای با سگ‌های سایر استان‌ها بویژه مناطق شمالی و غربی دارند در واقع این پیچیدگی ارتباطات نشان‌دهنده وجود رفتارهای هرج و مرج گونه تولید مثلی در سگ‌های اهلی می‌باشد.  

کلیدواژه‌ها

عنوان مقاله [English]

Phylogeographic study of domestic dogs (Canis lupus familiaris) based on mitochondrial genome in Hamedan province

نویسندگان [English]

  • Fariba Hasnvand 1
  • Masoud Haidarizadeh 2
  • Hamidreza Rezaee 3

1 Msc. Master of Natural Resources –Environmental, Faculty of Natural Resources, University of Tehran

2 Associate Professor, Department of Environment Sciences, Faculty of Natural Resources, University of Tehran,Karaj, Iran

3 Associate Professor, Department of Environment Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.

چکیده [English]

  Dogs were domesticated from grey wolf about several thousand years ago with the beginning of agricultural activities . High genetic diversity and many varied breeds of domestic dogs are found in the world. Indigenous in Hamedan province try to cross bred between dogs and wolves in order to have hybrid animals as guard dogs. The relationships between Hemedan`s dogs with the other Iranian ones have been investigated using mtDNA control-region sequence data from a subset of 55 individuals (29 dogs of Hamedan province and 26 individuals extracted from NCBI). Our results revealed an existence of high genetic diversity in Iranian dogs. Dogs in Hamedan Province have complex relationships and among them, observed several common haplotypes. The dogs in the province, have extensive communication with dogs in the other province, especially with northern area and western area. In fact, this communication complexity indicates behavior of chaos reproductive in the dog domestication.

کلیدواژه‌ها [English]

  • Phylogeny
  • Gen flow
  • Wolf
  • Dog
  • Hamedan province
  • mtDNA

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