Genome-wide characterization and expression analysis of pseudo-response regulator gene family in wheat

Pseudo-response regulator (PRR) gene family members play a significant role in plant circadian clocks, flowering time inflorescence architecture development during transition from vegetative growth phase to reproductive phase. In current study, we analyzed the expression profiling, phylogenetic rela...

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Bibliographic Details
Published in:Molecular biology reports 2021-03, Vol.48 (3), p.2411-2427
Main Authors: Errum, Aliya, Rehman, Nazia, Khan, Muhammad Ramzan, Ali, Ghulam Muhammad
Format: Article
Language:English
Subjects:
Amino Acid Motifs
Amino Acid Sequence
Animal Anatomy
Animal Biochemistry
Base Pairing - genetics
Biomedical and Life Sciences
Chromosomes, Plant - genetics
Circadian rhythms
Conserved Sequence
Developmental stages
Divergence
Exons
Exons - genetics
Flowering
Gene Expression Regulation, Plant
Genes
Genes, Plant
Genes, Regulator
Genome, Plant
Genomes
Histology
Introns
Introns - genetics
Leaves
Life Sciences
Morphology
Multigene Family
Organ Specificity - genetics
Original Article
Phylogeny
Plant Proteins - chemistry
Plant Proteins - genetics
Plant Proteins - metabolism
Synteny
Synteny - genetics
Triticum - genetics
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Summary:Pseudo-response regulator (PRR) gene family members play a significant role in plant circadian clocks, flowering time inflorescence architecture development during transition from vegetative growth phase to reproductive phase. In current study, we analyzed the expression profiling, phylogenetic relationship, and molecular characterization of PRR gene family members of common wheat by using IWGSC Ref seq v1.1 wheat genome database with a coverage rate of 90%. By using bioinformatic approach total 20 candidate gene sequences were identified and divided into six groups and four clades. It was found that mostly genes have same number of exons and introns showed similar features because they originated through duplication events during evolution processes. Although all the proteins have conserved PRR domains, but some are distinct in their sequences suggesting functional divergence. By comparative synteny analysis it was revealed that Group 1, 2, 3 and 11-D of group 4 have duplication events while group 5 and TaPRR9-B,10-D showed conservation with previously identified PRR members from rice. While expression variation of six groups from each analysis matches with each other. Five groups highly expressed in leaf, spike, and roots in pattern like leaf > spike > root at all three stages booting, heading and anthesis of spike development. This suggests that TaPRR genes play important roles in different photoperiod signaling pathways in different organs at different stages of spike development and flowering via unknown pathway. These findings will also provide comprehensive knowledge about future investigations on wheat PRR family members involved in complex network of circadian system for plant development.
ISSN:0301-4851
1573-4978
DOI:10.1007/s11033-021-06276-2