ArticleMolecular genetics and genomics : MGG2014
Expression and functional analysis of genes encoding cytokinin receptor-like histidine kinase in maize (Zea mays L.).
Article in Molecular genetics and genomics : MGG, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 16 citations in OpenAlex.
- The cytokinin histidine kinase receptors regulate nodulation, shoot and root development inFrontiers in plant science · 2026Article
- Comprehensive Analysis of Long Non-coding RNA Modulates Axillary Bud Development in Tobacco (Frontiers in plant science · 2022Article
- The Journey from Two-Step to Multi-Step Phosphorelay Signaling Systems.Current genomics · 2021Review
- De novo transcriptome sequencing and analysis of salt-, alkali-, and drought-responsive genes in Sophora alopecuroides.BMC genomics · 2020Article
- ZmIBH1-1 regulates plant architecture in maize.Journal of experimental botany · 2020Article
- Integrated analysis of mRNA-seq and miRNA-seq in calyx abscission zone of Korla fragrant pear involved in calyx persistence.BMC plant biology · 2019Article
- Cytokinin perception in potato: new features of canonical players.Journal of experimental botany · 2018Article
- Correlation analysis of the transcriptome of growing leaves with mature leaf parameters in a maize RIL population.Genome biology · 2015Article
- Current perspectives on the hormonal control of seed development in Arabidopsis and maize: a focus on auxin.Frontiers in plant science · 2014Review
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cytokinin signaling is vital for plant growth and development which function via the two-component system (TCS). As one of the key component of TCS, transmembrane histidine kinases (HK) are encoded by a small gene family in plants. In this study, we focused on expression and functional analysis of cytokinin receptor-like HK genes (ZmHK) in maize. Firstly, bioinformatics analysis revealed that seven cloned ZmHK genes have different expression patterns during maize development. Secondly, ectopic expression by CaMV35S promoter in Arabidopsis further revealed that functional differentiation exists among these seven members. Among them, the ZmHK1a2-OX transgenic line has the lowest germination rate in the dark, ZmHK1-OX and ZmHK2a2-OX can delay leaf senescence, and seed size of ZmHK1-OX, ZmHK1a2-OX, ZmHK2-OX, ZmHK3b-OX and ZmHK2a2-OX was obviously reduced as compared to wild type. Additionally, ZmHK genes play opposite roles in shoot and root development; all ZmHK-OX transgenic lines display obvious shorter root length and reduced number of lateral roots, but enhanced shoot development compared with the wild type. Most notably, Arabidopsis response regulator ARR5 gene was up-regulated in ZmHK1-OX, ZmHK1a2-OX, ZmHK2-OX, ZmHK3b-OX and ZmHK2a2-OX as compared to wild type. Although the causal link between ZmHK genes and cytokinin signaling pathway is still an area to be further elucidated, these findings reflected that the diversification of ZmHK genes expression patterns and functions occurred in the course of maize evolution, indicating that some ZmHK genes might play different roles during maize development.
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