miRNAs involved in drought stress in Italian ryegrass (Lolium multiflorum L.)       
Yazarlar (1)
Doç. Dr. Gürkan DEMİRKOL Ordu Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı Turkish Journal of Botany
Dergi ISSN 1300-008X Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q3
Makale Dili İngilizce
Basım Tarihi 01-2021
Cilt No 45
Sayı 2
Sayfalar 111 / 123
DOI Numarası 10.3906/bot-2011-2
Makale Linki http://dx.doi.org/10.3906/bot-2011-2
Özet
miRNAs have been characterized as a regulator of main processes in plants by silencing genes. The functions of microRNAshave been studied in various crops, hovewer, no studies have been observed about miRNAs in Italian rygrass (Lolium multiflorum L.)against drought stress. This experiment aimed to reveal the involvement of miRNAs against drought stress in sensitive and tolerant Italianryegrass genotypes. Four genotypes (G1 and G2 as drought sensitive – G3 and G4 as drought tolerant) were selected. The sensitivities ofthese genotypes against drought stress were verified by performing growth parameters, relative water and proline contents under normaland drought conditions. The results show that the relative expression of the miRNAs revealed both similarities and differences betweensensitive and tolerant Italian ryegrass genotypes. Under drought conditions, significant upregulations (miRNA156i, miRNA845a)and downregulations (miRNA2937, miRNA3980b) were observed in drought tolerant genotypes. Similarly, significant upregulation(miRNA845a) and downregulation (miRNA5636) were observed in drought sensitive genotypes under drought conditions. The resultsindicate that miRNA3980b, miRNA156i, and miRNA2937 are responsible for drought stress tolerance in tolerant Italian ryegrass. ThesemiRNAs could be used to develop Italian ryegrass plants that tolerate drought stress conditions.
Anahtar Kelimeler
Abiotic stress | forage crop | transcription regulation