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Molecular Biology Research Communications، جلد ۵، شماره ۴، صفحات ۲۳۳-۲۴۶
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عنوان انگلیسی In silico identification of miRNAs and their target genes and analysis of gene co-expression network in saffron (Crocus sativus L.) stigma
چکیده انگلیسی مقاله As an aromatic and colorful plant of substantive taste, saffron (Crocus sativus L.) owes such properties of matter to growing class of the secondary metabolites derived from the carotenoids, apocarotenoids. Regarding the critical role of microRNAs in secondary metabolic synthesis and the limited number of identified miRNAs in C. sativus, on the other hand, one may see the point how the characterization of miRNAs along with the corresponding target genes in C. sativus might expand our perspectives on the roles of miRNAs in carotenoid/apocarotenoid biosynthetic pathway. A computational analysis was used to identify miRNAs and their targets using EST (Expressed Sequence Tag) library from mature saffron stigmas. Then, a gene co-expression network was constructed to identify genes which are potentially involved in carotenoid/apocarotenoid biosynthetic pathways. EST analysis led to the identification of two putative miRNAs (miR414 and miR837-5p) along with the corresponding stem-looped precursors. To our knowledge, this is the first report on miR414 and miR837-5p in C. sativus. Co-expression network analysis indicated that miR414 and miR837-5p may play roles in C. sativus metabolic pathways and led to identification of candidate genes including six transcription factors and one protein kinase probably involved in carotenoid/apocarotenoid biosynthetic pathway. Presence of transcription factors, miRNAs and protein kinase in the network indicated multiple layers of regulation in saffron stigma. The candidate genes from this study may help unraveling regulatory networks underlying the carotenoid/apocarotenoid biosynthesis in saffron and designing metabolic engineering for enhanced secondary metabolites.
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نویسندگان مقاله زهرا زینتی |
agroecology department, college of agriculture and natural resources of darab, shiraz university, iran
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

روح اله شاملو dashtpagerdi | shamloo dashtpagerdi
crop production and plant breeding department, college of agriculture, shiraz university, iran
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

علی بهپوری |
agroecology department, college of agriculture and natural resources of darab, shiraz university, iran
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

نشانی اینترنتی http://mbrc.shirazu.ac.ir/article_3875_87c248ee1eac36fe4cfcafdd87e2e48d.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/526/article-526-313693.pdf
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زبان مقاله منتشر شده en
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