Bioinformatic Study of miRNAs Involved in Wheat (Triticum aestivum) Vernalization

Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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IBIS07_101

تاریخ نمایه سازی: 29 فروردین 1397

Abstract:

Vernalization is one of the most important adaptations of winter cereals to environmental conditions that makes the plants able to control their growth according to seasonal variations [1]. miRNAs are non-encoding, single-stranded and small molecules that have a role in gene expression regulation and plant growth and development. Moreover, it has been demonstrated that miRNAs play an important role in many biological and metabolic processes. Due to the nature of strong conservation of miRNAs in plant species, the use of bioinformatics studies can help to identify new miRNAs in different species [2]. Previously recorded miRNAs involved in vernalization were obtained from miRBase and their homologies were searched in the EST database by Blastn, then secondary structures of them were evaluated by mfold website, online RNA secondary structure prediction software [3]. In this study, three miRNAs, miR172, miR319, miR156, are involved in vernalization of. AP2, TCP, SPL and ARF are regulated as the most important target genes, respectively, by miR172, miR319, miR156 and miR167.These genes play an important role in flowering and c transferring from the vegetative phase to reproduction in plants.

Authors

Nooshin Ashoori

Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Zanjan, Zanjan, Iran

Reza Fotovat

Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Zanjan, Zanjan, Iran

Maryam Mortezaefar

Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Zanjan, Zanjan, Iran

Nastarn Mehri

Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Zanjan, Zanjan, Iran