Dataset Information

Genome-Wide Analysis of Auxin Receptor Family Genes in Brassica juncea var. tumida.

ABSTRACT: Transport inhibitor response 1/auxin signaling f-box proteins (TIR1/AFBs) play important roles in the process of plant growth and development as auxin receptors. To date, no information has been available about the characteristics of the TIR1/AFB gene family in Brassica juncea var. tumida. In this study, 18 TIR1/AFB genes were identified and could be clustered into six groups. The genes are located in 11 of 18 chromosomes in the genome of B. juncea var. tumida, and similar gene structures are found for each of those genes. Several cis-elements related to plant response to phytohormones, biotic stresses, and abiotic stresses are found in the promoter of BjuTIR1/AFB genes. The results of qPCR analysis show that most genes have differential patterns of expression among six tissues, with the expression levels of some of the genes repressed by salt stress treatment. Some of the genes are also responsive to pathogen Plasmodiophora brassicae treatment. This study provides valuable information for further studies as to the role of BjuTIR1/AFB genes in the regulation of plant growth, development, and response to abiotic stress.

SUBMITTER: Cai Z

PROVIDER: S-EPMC6410323 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Publications

Genome-Wide Analysis of Auxin Receptor Family Genes in Brassica juncea var. tumida.

Cai Zhaoming Z Zeng De-Er DE Liao Jingjing J Cheng Chunhong C Sahito Zulfiqar Ali ZA Xiang Meiqin M Fu Min M Chen Yuanqing Y Wang Diandong D

Genes 20190220 2

Transport inhibitor response 1/auxin signaling f-box proteins (TIR1/AFBs) play important roles in the process of plant growth and development as auxin receptors. To date, no information has been available about the characteristics of the TIR1/AFB gene family in Brassica juncea var. tumida. In this study, 18 TIR1/AFB genes were identified and could be clustered into six groups. The genes are located in 11 of 18 chromosomes in the genome of B. juncea var. ...[more]

PMID: 30791673

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Project description:BackgroundPhosphatidylethanolamine-binding protein (PEBP) is widely present in animals, plants, and microorganisms. Plant PEBP genes are mainly involved in flowering transition and nutritional growth. These genes have been studied in several plants; however, to the best of our knowledge, no studies have explored them in Brassica juncea var. tumida. This study identified and characterized the entire PEBP gene family of Brassica juncea var. tumida.ResultsA total of 21 PEBP genes were identified from Brassica juncea var. tumida. Through phylogenetic analysis, the 21 corresponding proteins were classified into the following four clusters: TERMINAL FLOWER 1 (TFL1)-like proteins (n = 8), MOTHER OF FT AND TFL1 (MFT)-like proteins (n = 5), FLOWERING LOCUS T (FT)-like proteins (n = 6), and ybhB-like proteins (n = 2). A total of 18 genes contained four exons and had similar gene structures in each subfamily except BjMFT1, BjPYBHB1, and Arabidopsis thaliana CENTRORADIALIS homolog of Brassica juncea var. tumida (BjATC1). In the analysis of conserved motif composition, the BjPEBP genes exhibited similar characteristics, except for BjFT3, BjMFT1, BjPYBHB1, BjPYBHB2, and BjATC1. The BjPEBP promoter includes multiple cis-acting elements such as the G-box and I-box elements that respond to light, ABRE and GARE-motif elements that respond to hormones, and MBSI and CAT-box elements that are associated with plant growth and development. Analysis of RNA-Seq data revealed that the expression of a few BjPEBP genes may be associated with the development of a tumorous stem. The results of qRT-PCR showed that BjTFL1 and BjPYBHB1 were highly expressed in the flower tissue, BjFT1 and BjATC1 were mainly expressed in the root, and BjMFT4 were highly detected in the stem. The results of yeast two-hybrid screening suggested that BjFT interacts with Bj14-3-3. These results indicate that BjFT is involved in flowering regulation.ConclusionsTo the best of our knowledge, this study is the first to perform a genome-wide analysis of PEBP genes family in Brassica juncea var. tumida. The findings of this study may help improve the yield and molecular breeding of Brassica juncea var. tumida.

Dataset Information

Genome-Wide Analysis of Auxin Receptor Family Genes in Brassica juncea var. tumida.

Publications

Genome-Wide Analysis of Auxin Receptor Family Genes in <i>Brassica juncea</i> var. <i>tumida</i>.

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