Information report for MELO3C003375P2
Gene Details
|
|
Functional Annotation
- Refseq: XP_008465934.1 — PREDICTED: two-component response regulator-like APRR2 isoform X4
- TrEMBL: A0A1S3CRG6 — A0A1S3CRG6_CUCME; two-component response regulator-like APRR2 isoform X4
- STRING: XP_008465931.1 — (Cucumis melo)
- GO:0000160 — Biological Process — phosphorelay signal transduction system
- GO:0003677 — Molecular Function — DNA binding
Family Introduction
- The Arabidopsis genome codes for 22 response regulators (ARRs), 12 of which contain a Myb-like DNA binding domain called ARRM (type B). The remainder (type A) possess no apparent functional unit other than a signal receiver domain containing two aspartate and one lysine residues (DDK) at invariant positions, and their genes are transcriptionally induced by cytokinins without de novo protein synthesis. The type B members, ARR1 and ARR2, bind DNA in a sequence-specific manner and work as transcriptional activators.
- Here we present evidence that ARR1 mediates a cytokinin signal, probably through its NH2-terminal signal receiver domain, and transactivates ARR6, which is immediately responsive to cytokinins. A paralogous response regulator, ARR2, shows almost identical characteristics to ARR1, suggesting a functional overlap. Residual cytokinin responses observed with the arr1-1 mutant may have been provided by ARR2. In addition to ARR6, other type A member genes, including ARR4, ARR5, ARR7, ARR8, and ARR9, were also activated by DEX at various levels in 35S::ARR1DDK::GR plants, suggesting that all the immediate cytokinin-responsive genes belonging to this group are directly activated by ARR1. Also, other cytokinin-responsive genes whose promoter regions contain the ARR1 recognition sequences are possibly transactivated by ARR1. A screening for ARR1 target genes using transgenic 35S::ARR1-DDK::GR plants will shed light on the whole view of the early cytokinin signal transduction pathway. We conclude that ARR1 is a principal transcription factor-type response regulator that is involved in an early step of cytokinin signal transduction, possibly as a partner of the sensor histidine kinase CRE1.
Literature and News
Gene Resources
Homologs
- Citrullus lanatus: Cla016148
- Citrus sinensis: orange1.1g008626m, orange1.1g008619m
- Cucumis sativus: Cucsa.313480.2, Cucsa.313480.1
- Juglans regia: WALNUT_00021564-RA
- Populus trichocarpa: Potri.003G087700.6, Potri.003G087700.10, Potri.003G087700.1, Potri.001G146200.15, Potri.001G146200.10, Potri.001G146200.1
- Prunus mume: XP_016649475.1, XP_008229555.1, XP_008229553.1, XP_008229552.1
- Prunus persica: Prupe.5G045000.3.p, Prupe.5G045000.2.p, Prupe.5G045000.1.p
- Vitis vinifera: GSVIVT01013234001
- Ziziphus jujuba: XP_015896806.1, XP_015896805.1, XP_015896804.1
Sequences
CDS Sequence:
- >MELO3C003375P2|Cucumis_melo|ARR-B|MELO3C003375P2
ATGGTTTGCACTGCCGACGATTTACAAGAATGGAAGGACTTCCCTAAGGGTCTGAGGGTTCTTCTTCTTGATAGGGACAGTTGCTCAGCGACCGAGATAAGATCAAAACTTGAGGAAATGGAGTATGTTGTTTATTCCTGCACTGATGAAAAGGAAGCTTTGTCAGCAATTTTGAACACACCGGGAAACTTCCATGTTGCGATTCTGGAGGTTTGTGCAAGAAATTACGATGAGATTTTTAAGTTGCTTGGAGCTTCCAAGGACTTGCCTATAATAATGACTTCAGATGTTCATTGCTTAAGTACCATGATGAAGTGCATTGCACTTGGTGCAGTTGAGTTCTTGCTGAAACCGCTCTCAGAGGACAAACTCAGGAATATCTGGCAGCATGTTATTCACAAGGCGTATTCCAATACTTCAAAGCCGGGTGAAGAATCCGTAGCATCCTTGATGCAACTCCAATTAGAGAATGAAGACAAGAATGGAGTTCCGGAAGACATGGAAATTCTTTCTTGGATTCAGGACATTGTGTGGGAGCAACCAGAAGGAAGTGATGATAAGTCTCAACTGAACCTTGGAGCATCTAGGCAAGGTAGCTGGGAAAGCGGAGATCAAATGAACTGTTCAATGGAAACAGATTGCAAGGACAAGGACGTGCAGTCTAAATTCGTCGAAACTACTTCACATGATTTAGTTTGTGAAGGCCCCATTCAGGAGGGCCAACCTCAATTATCTGACAAGAAAAAATTTGGTGTCGAGAGTGATCCTTTAGCTGCTGAGAACTCAATCCAAGGAACTGGTGTGAACCAATCTGCTGGATCCAAAGCGAAGAAAACAAAGGTGGACTGGACCCCAGAGCTACACAGAAAATTTGTTCAAGCAGTTGAACAGTTAGGGATAGATCATGCAATTCCTTCCAAAATACTTGAGCTTATGAAAGTTGAAGGTTTGACAAGGCACAACATTGCAAGTCATCTCCAGAAGTATAGAATGCAAAAGAAACATGTGATGCAGAGAGAAGAAAATACAAGGTGGTCACATTATCCAAGAAGTACATTACAAACCAATCACTTGAAACCTATAATGGCTTACCCTTCTTATCATCCAAACTGTGGAATATCAGTGTCTGCTGTTTATCCAACATGGAGACAGACCAATGACCGTCCACCTAATATCCACGTCTGTGGTCCGTTTGGTTATCGCCATTGGCCACAACCTGGAATTCAGCCCTGGAATTCCTATGCACGGGTGCAAGCTGATACATGGGGTTGCCCTGTGATGCCGCCTTCTCATGCTCCATATTTTTCATATCCTCAGCTTGTATCAGCATCACAACACAATATGCATACAGTAAATAAGAGCTATGGCATGCCTCAGGGTTTATTTGATCTTCAACCAGATGAGGAGGTGGTTGACAAGATTGTAAAAGAGGCAATGAGGGAGCCATGGTCACCCCTTCCATTAGGGCTTAAGCCTCCTTCTACAGAGAGTGTTCTCACAGAGCTTTCTAAGCAAGGAATCTCCACCGTCCCTCCTCAAATCGACGGCTCCAGATCACCCTGA
Protein Sequence:
- >MELO3C003375P2|Cucumis_melo|ARR-B|MELO3C003375P2
MVCTADDLQEWKDFPKGLRVLLLDRDSCSATEIRSKLEEMEYVVYSCTDEKEALSAILNTPGNFHVAILEVCARNYDEIFKLLGASKDLPIIMTSDVHCLSTMMKCIALGAVEFLLKPLSEDKLRNIWQHVIHKAYSNTSKPGEESVASLMQLQLENEDKNGVPEDMEILSWIQDIVWEQPEGSDDKSQLNLGASRQGSWESGDQMNCSMETDCKDKDVQSKFVETTSHDLVCEGPIQEGQPQLSDKKKFGVESDPLAAENSIQGTGVNQSAGSKAKKTKVDWTPELHRKFVQAVEQLGIDHAIPSKILELMKVEGLTRHNIASHLQKYRMQKKHVMQREENTRWSHYPRSTLQTNHLKPIMAYPSYHPNCGISVSAVYPTWRQTNDRPPNIHVCGPFGYRHWPQPGIQPWNSYARVQADTWGCPVMPPSHAPYFSYPQLVSASQHNMHTVNKSYGMPQGLFDLQPDEEVVDKIVKEAMREPWSPLPLGLKPPSTESVLTELSKQGISTVPPQIDGSRSP*