Gene Details:

• Gene ID: Zm00001eb066570
• Gene Symbol: ZmRR1 ZmOrphan186 ZmCip1 crr1
• Gene Name: cytokinin response regulator1
• Genome: Zm-B73-REFERENCE-NAM-5.0
• Species: Zea mays

Functional Descriptions:

• Transcriptome analysis indicates that ZmRR1 positively regulates the expression of ZmDREB1 and Cellulose synthase (CesA) genes to enhance chilling tolerance.
• Here, we demonstrate that natural variation in the type-A Response Regulator 1 (ZmRR1) gene leads to differences in chilling tolerance among maize inbred lines. Association analysis reveals that InDel-35 of ZmRR1, encoding a protein harboring a mitogen-activated protein kinase (MPK) phosphorylation residue, is strongly associated with chilling tolerance.
• ZmRR1 positively regulates maize chilling tolerance.
• Identification of a favorable allele of ZmRR1 with enhanced chilling tolerance.
• ZmRR1 regulates chilling tolerance by modulating the expression of ZmDREB1s and ZmCesAs.

Function-related keywords:

• kinase ,  tolerance ,  cellulose ,  protein-kinase ,  chilling ,  chilling-tolerance

Literature:

• Natural variation in a type-A response regulator confers maize chilling tolerance.   DOI:  10.1038/s41467-021-25001-y ;  PMID:  34354054
• Cytokinin signaling promotes salt tolerance by modulating shoot chloride exclusion in maize.   DOI:  10.1016/j.molp.2023.04.011 ;  PMID:  37101396

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Gene Resources:

• NCBI ID: LOC541613
• UniProt accessions: Q9ZQW0

Sequences:

Source: Genetic information comes from the article