اثر کمپلکس ژنی اسپلایسوزوم در مرحله انتقال از تخمگذاری به کرچی از طریق پروفایل ترانسکریپتومی هیپوفیز بوقلمون مادر

نوع مقاله : مقاله کامل

نویسندگان

1 گروه علوم دامی، دانشکده علوم و صنایع غذایی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی، ایران.

2 بخش پژوهش‌های بیوتکنولوژی، موسسه تحقیقات علوم دامی کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران.

3 گروه علوم دامی دانشکده کشاورزی، دانشگاه بوعلی سینا، همدان، ایران

چکیده

اسپلایسووزم یک کمپلکس بزرگ ریبونوکلئوپروتئینی است، که فرآیند پیرایش mRNA‌ی پیش ساز را در سلول‌های یوکاریوتی هدایت می‌کند. در مطالعه حاضر پروفایل ترانسکریپتوم هیپوفیز بوقلمون مادر تجاری از نژاد بیوتی طی مراحل تخم‌گذاری و کرچی مورد بررسی قرار گرفت. تعداد 334 ژن با بیان متفاوت بین دو گروه تشخیص داده شد، که 229 ژن دارای بیان زیاد و 105 ژن دارای بیان کم در گروه تخم‌گذار در مقایسه با گروه کرچ مشاهده شد. در این مطالعه نتایج تجزیه و تحلیل هستی‌شناسی و KEGG نشان داد که ژن‌های مسیر اسپلایسوزوم نقش موثری در مرحله انتقال از تخم‌گذاری به کرچی بوقلمون‌ها داشتند (05/0>P). علاوه بر این در مسیر انتقال یون کلسیم در بخش عملکرد مولکولی، فرآیند پیرایش باعث فعال‌شدن و ایجاد ایزوفرم‌های مختلف ژن مربوط به کلسیم –کالمادولین وابسته به پروتئین کیناز دو آلفا شد، که نقش مهمی در سیستم نوروترانسمیتری و هورمونی دارد. در این مطالعه نشان داده شد که، ژن‌های SNRPD1، SNRPF و SNRPA1 مربوط به کمپلکس اسپلایسوزوم برای ساخت فولیکول‌ها و باروری ضروری هستند. ژن HSPA8 نیز که در بوقلمون‌های تخم‌گذار نسبت به کرچ بیان کمتری داشت، در اتوفاژی و تخریب فولیکول‌ها در بوقلمون‌های کرچ نقش داشت.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of spliceosome gene complex underlying the transition between the laying and brooding phases in pituitary transcriptome profile of breeder turkey

نویسندگان [English]

  • F bankizadeh 1
  • H Roshanfekr 1
  • M.H Banabazi 2
  • M. Nazari 1
  • R. Safari 3
1 Department of Animal Science, Animal Science and Food Technology Faculty, Agricultural Sciences and Natural Resources, University of Khuzestan, Mollasani, Iran.
2 Department of Biotechnology, Animal Science Research Institute of IRAN (ASIR), Agriculture Research, Education and Extension Organization (AREEO), Karaj, Iran.
3 Department of Animal Science, Agriculture Faculty, University of Buali Sina, Hamadan, Iran
چکیده [English]

The spliceosome is a large ribonucleoprotein complex that guides pre-mRNA splicing in eukaryotic cells. In this research, pituitary transcriptome profile of commercial breeder turkey of BUT breed was studied during the laying and broodiness phases. A total of 334 differentially expressed genes during egg-laying phases and brooding phases were identified. There were 229 upregulated and 104 downregulated at egg-laying phases compared with brooding phases. In the present study results of both GO and KEGG analysis suggested that the genes in the spliceosome complex are critical in the transition from the egg-laying to brooding phase turkeys. In addition, in the calcium ion transport in the biological process, splicing activates and creates various isoforms of the calcium/calmodulin alpha, which plays an important role in the neurotransmitter and hormonal systems of turkeys. In this study it was revealed that SNRPD1, SNRPF and SNRPA1/U2A in spliceosome complex were essential for folliculogenesis and fertility. HSPA8 was
significantly down-regulated at laying turkeys compared with broodiness turkeys was involved in autophagy and follicular regression in broody turkey.
    

کلیدواژه‌ها [English]

  • Spliceosome
  • Pituitary
  • Broodiness
  • Egg-Laying
  • Gene Expression
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