ArticlePlant molecular biology2019
Genome-wide analysis of the Chinese cabbage IQD gene family and the response of BrIQD5 in drought resistance.
Article in Plant molecular biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed.
- A CaPlants (Basel, Switzerland) · 2026Article
- Integrative Analysis of DNA Methylome and Transcriptome Reveals the Mechanism of Heat Tolerance in Non-heading Chinese Cabbage.Journal of agricultural and food chemistry · 2026Article
- Molecular Mechanism by Which the BrFIT2-BrbHLH-BrIRT1 Module Synergistically Regulates Iron Absorption in Brassica rapa ssp. Pekinensis.Plant biotechnology journal · 2025Article
- Population genomics provides new insights into the genetic variation patterns, population demographic history, and high-altitude adaptation of Sophora moorcroftiana.BMC plant biology · 2025Article
- Genome-Wide Characterization of IQD Family Proteins in Apple and Functional Analysis of the Microtubule-Regulating Abilities of MdIQD17 and MdIQD28 under Cold Stress.Plants (Basel, Switzerland) · 2024Article
- GhiPLATZ17 and GhiPLATZ22, zinc-dependent DNA-binding transcription factors, promote salt tolerance in upland cotton.Plant cell reports · 2024Article
- Functional Analysis of thePlants (Basel, Switzerland) · 2024Article
- The cotton protein GhIQD21 interacts with GhCaM7 and modulates organ morphogenesis in Arabidopsis by influencing microtubule stability.Plant cell reports · 2023Article
- Review
- Genome-wide identification ofFrontiers in plant science · 2023Article
- Chromosomal Location ofGenes · 2022Article
- Genome-wide identification, phylogeny and expression analysis of the SPL gene family and its important role in salt stress in Medicago sativa L.BMC plant biology · 2022Article
- Identification of the Wheat (Triticum aestivum) IQD Gene Family and an Expression Analysis of Candidate Genes Associated with Seed Dormancy and GerminationInternational journal of molecular sciences · 2022Article
- Genome-wide identification, expression analysis and evolutionary relationships of the IQ67-domain gene family in common wheat (Triticum aestivum L.) and its progenitors.BMC genomics · 2022Article
- Transcriptome Analysis Revealed the Molecular Response Mechanism of Non-heading Chinese Cabbage to Iron Deficiency Stress.Frontiers in plant science · 2022Article
- IQD1 Involvement in Hormonal Signaling and General Defense Responses AgainstFrontiers in plant science · 2022Article
- Genome-wide analysis of IQD proteins and ectopic expression of watermelon ClIQD24 in tomato suggests its important role in regulating fruit shape.Frontiers in genetics · 2022Article
- Identification of genes related to tipburn resistance in Chinese cabbage and preliminary exploration of its molecular mechanism.BMC plant biology · 2021Article
- Identification of Raf-Like Kinases B Subfamily Genes inInternational journal of molecular sciences · 2021Article
- Genome-Wide Analysis of thePlants (Basel, Switzerland) · 2021Article
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7 authors.
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Abstract
key messageThirty-five IQD genes were identified and analysed in Chinese cabbage and BrIQD5 transgenic plants enhanced the drought resistance of plants. The IQD (IQ67-domain) family plays an important role in various abiotic stress responses in plant species. However, the roles of IQD genes in the Chinese cabbage response to abiotic stress remain unclear. Here, 35 IQD genes, from BrIQD1 to BrIQD35, were identified in Chinese cabbage (Brassica rapa ssp. pekinensis). Based on the phylogenetic analysis, these genes were clustered into three subfamilies (I-III), and members within the same subfamilies shared conserved exon-intron distribution and motif composition. The 35 BrIQD genes were unevenly distributed on 9 of the 10 chromosomes with 4 segmental duplication events. Ka/Ks ratios showed that the duplicated BrIQDs had mainly experienced strong purifying selection. Quantitative real-time polymerase chain reaction of 35 BrIQDs under PEG6000 indicated that BrIQD5 was significantly induced by PEG6000. To verify BrIQD5 function, BrIQD5 was heterologously overexpressed in tobacco and was silenced in Chinese cabbage. BrIQD5-overexpressed plants showed more tolerance to drought stress than wild-type plants, while BrIQD5-silenced plants in Chinese cabbage showed decreased drought tolerance. Additionally, six BrIQD5 potential interactive proteins were isolated by the yeast two-hybrid assay, including BrCaMa, BrCaMb and four other stress-related proteins. Motif IQ1 of BrIQD5 is important for the interaction with BrCaMa and BrCaMb, and the isoleucine in motif IQ1 is an essential amino acid for calmodulin binding to BrIQD5. The identification and cloning of the new Chinese cabbage drought tolerance genes will promote the drought-resistant breeding of Chinese cabbage and help to better understand the mechanism of IQD involved in the drought tolerance of plants.
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