ArticleBMC plant biology2021
Genome-wide identification of ZmSnRK2 genes and functional analysis of ZmSnRK2.10 in ABA signaling pathway in maize (Zea mays L).
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 26 citations in OpenAlex.
- Special Issue "Transcription Factors in Plant Gene Expression Regulation, 2nd Edition".International journal of molecular sciences · 2026Article
- Subclass III SnRK2 Kinases Coordinate Starch and Storage Protein Synthesis During Maize Kernel Development.Plant biotechnology journal · 2026Article
- Holistic overview of regulatory networks governing seed dormancy and germination in plants.Science China. Life sciences · 2026Review
- Molecular characterization of SnRK2 gene family in Capsicum chinense and functional validation of CcSnRK2.5 under drought stress.Plant cell reports · 2026Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2025Article
- Antagonistic SnRK2 and PID kinases' action on auxin transport-mediated root gravitropism.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Overexpression of aInternational journal of molecular sciences · 2025Article
- Overexpression of aInternational journal of molecular sciences · 2025Article
- The ZmbHLH47-ZmSnRK2.9 Module Promotes Drought Tolerance in Maize.International journal of molecular sciences · 2024Article
- Article
- Evolutionary Analysis ofInternational journal of molecular sciences · 2023Article
- Article
- ABA-induced phosphorylation of basic leucine zipper 29, ABSCISIC ACID INSENSITIVE 19, and Opaque2 by SnRK2.2 enhances gene transactivation for endosperm filling in maize.The Plant cell · 2022Article
- Genome-wide Identification and Expression Analysis ofFrontiers in genetics · 2022Article
- Molecular Functions and Pathways of Plastidial Starch Phosphorylase (PHO1) in Starch Metabolism: Current and Future Perspectives.International journal of molecular sciences · 2021Review
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14 authors at 2 institutions in 1 country.
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Abstract
backgroundPhytohormone abscisic acid (ABA) is involved in the regulation of a wide range of biological processes. In Arabidopsis, it has been well-known that SnRK2s are the central components of the ABA signaling pathway that control the balance between plant growth and stress response, but the functions of ZmSnRK2 in maize are rarely reported. Therefore, the study of ZmSnRK2 is of great importance to understand the ABA signaling pathways in maize.
resultsIn this study, 14 ZmSnRK2 genes were identified in the latest version of maize genome database. Phylogenetic analysis revealed that ZmSnRK2s are divided into three subclasses based on their diversity of C-terminal domains. The exon-intron structures, phylogenetic, synteny and collinearity analysis indicated that SnRK2s, especially the subclass III of SnRK2, are evolutionally conserved in maize, rice and Arabidopsis. Subcellular localization showed that ZmSnRK2 proteins are localized in the nucleus and cytoplasm. The RNA-Seq datasets and qRT-PCR analysis showed that ZmSnRK2 genes exhibit spatial and temporal expression patterns during the growth and development of different maize tissues, and the transcript levels of some ZmSnRK2 genes in kernel are significantly induced by ABA and sucrose treatment. In addition, we found that ZmSnRK2.10, which belongs to subclass III, is highly expressed in kernel and activated by ABA. Overexpression of ZmSnRK2.10 partially rescued the ABA-insensitive phenotype of snrk2.2/2.3 double and snrk2.2/2.3/2.6 triple mutants and led to delaying plant flowering in Arabidopsis.
conclusionThe SnRK2 gene family exhibits a high evolutionary conservation and has expanded with whole-genome duplication events in plants. The ZmSnRK2s expanded in maize with whole-genome and segmental duplication, not tandem duplication. The expression pattern analysis of ZmSnRK2s in maize offers important information to study their functions. Study of the functions of ZmSnRK.10 in Arabidopsis suggests that the ABA-dependent members of SnRK2s are evolutionarily conserved in plants. Our study elucidated the structure and evolution of SnRK2 genes in plants and provided a basis for the functional study of ZmSnRK2s protein in maize.
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