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Genome-wide identification and in silico gene expression analysis of the related to ABI3/VP1(RAV)transcription factor family in barley(Hordeum vulgare L.)

引用

BIOCELL 2021年第6期45卷 1673-1685页

作者： CÜNEYT UÇARLI Department of Molecular Biology and Genetics Istanbul UniversityIstanbul34134Turkey

RAV(Related to ABI3/VP1)transcription factors are unique members of the ap2-ERF superfamily with ap2 and B3 domains and play important roles in the regulation of seed germination,plant growth,and stress *** the study,7 RAV genes,named HvRAVs,were identified in barley based on the available genome *** five of the seven HvRAVs were located on chromosome 3,HvRAV5 and HvRAV7 were located on chromosome 1 and 4,*** of the predicted HvRAVs were intron-less,except HvRAV2,which had one *** proteins have shown basic,instable,and hydrophilic *** ap2 domain specific RAYD and WLG motifs were detected in all HvRAV ***,B3 repression domain,R/KLFGV,is also found in the C-terminal of *** were found to have stress-related cis-acting elements,including MYB,MYC,and ***2 was predicted to have no GARE motifs,TATCCCA or TAACAA(G/A),and *** drought conditions,the expression level of HvRAVs did not significantly change in a drought-sensitive barley genotype,whereas HvRAV5 and HvRAV7 were dramatically down-regulated in a drought-tolerant *** of HvRAV5 was also inhibited by ***7 was strongly induced by plant pathogen *** HvRAV6 was induced by exogenous gibberellin application and during the germination ***,HvRAV6 transcript was detected higher than other HvRAVs in all stress and control conditions as well as during *** silico analyses have shown that HvRAVs play a role in response to different abiotic and biotic stresses as well as in plant ***,the extensive biological roles of HvRAV genes in plant development and in response to abiotic and biotic stresses need further investigation.

关键词： Barley RAV ap2 domain B3 domain ap2/ERF family Cis-acting elements

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