Information report for Achn218951
Gene Details
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Functional Annotation
- Refseq: XP_027067929.1 — two-component response regulator ARR12-like
- Refseq: XP_027067930.1 — two-component response regulator ARR12-like
- Refseq: XP_027173593.1 — two-component response regulator ARR12
- TrEMBL: A0A2R6R4V5 — A0A2R6R4V5_ACTCH; Two-component response regulator like
- STRING: Solyc12g010330.1.1 — (Solanum lycopersicum)
- 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
- Capsicum annuum: CA07g02260
- Nicotiana benthamiana: Niben101Scf01511g00019.1, Niben101Scf02586g00006.1
- Nicotiana tabacum: XP_016501541.1, XP_016451612.1, XP_016451611.1, XP_016451610.1
- Petunia inflata: Peinf101Scf00586g11030.1, Peinf101Scf00594g17024.1
- Sesamum indicum: XP_011078598.1
- Solanum lycopersicum: Solyc12g010330.1.1, Solyc07g005140.2.1
- Solanum melongena: Sme2.5_03790.1_g00001.1
- Solanum tuberosum: PGSC0003DMP400013790, PGSC0003DMP400013791, PGSC0003DMP400005771, PGSC0003DMP400005772, PGSC0003DMP400005773, PGSC0003DMP400005770
Sequences
CDS Sequence:
- >Achn218951|Actinidia_chinensis|ARR-B|Achn218951
ATGACTGTGGAGGAAATTAGAGGGAATTGTGGGCGCGAAAATAGTAATTTTCCATTGGGTATGCGTGTTCTTGCCGTTGATGATGACCCAACTTGCTTGAAGCTATTGGATGGTCTGCTTCGAAAATGCCAATACCAGGTTACGACGAGCAGTCAGGCTAAAACGGCACTAAAAATGCTGAGGGAAAACAAAAACAGATTTGATCTGGTTATCAGTGATGTGCATATGCCGGACATGGATGGTTTTAAGCTACTGGAACTTGTAGGTCTCGAAATGGACCTTCCCGTCATTATGTTGTCGGCAAACAGTGATACCAAACTTGTGATGAAGGGAATTACACACGGAGCTTGTGACTATTTGGTGAAACCTGTTCGAATCGAGGAGCTTAGGAACATCTGGCAACATGTACTCAGGAGGAAGAAGTTCGACTCGAAATCCCCCACCGTAGACGAGGCTTGCCAAGGAAATGGAAAAAGTTTGAAAGAGTCTGAACCTACTGGTAATGAAGATAAGAATGGGAAGGTCAATAGAAAGAGAAAGGACGAGGAAGAAGAAGAAGAAGAAGATGAAGAGAATGGAGAAGAAAATGAGGACCTGGCAACCCAAAAGAAGCCTCGGGTGGTTTGGTCCATTGAGCTTCATGGGAAGTTTGTTGCAGCGGTTAATCAATTGGGTATTGAAAGGATTTCAGCACAATTAGAGCTCAATCAATTGCAACAAAGCAAGCTCACATCTGACATGTTCGATTCTGGTTGTGATCCAACAATTTTTACGTCTACCAGTTCCTTGGTAGATAATATAGTTCCAGTCGGTAGCTTAATCAACTCCCTGCCTAGTGCCTCAAGCAACCCTTTGTTTCTACAAGGGAATCCACAACAAACACTGTCCGGGGGTGTATTTGGTAATCAGAACTCTTTCAAAGTCAATTCTCTGAATTCAGAACCTTTGAATACTGGCATAAGCGGTTCTAATTTTCTGAGCAACGGTAGATGCAATGAGAATTGGCGGAGCACCATTCAAGTATCAAAATTTTCATCTAATAATCCTTCATCATTGAGCGGAACTTTTAATCATGATCGACTGCCTTCTAATGGCATGAGAACCAATAATTCTTCATCTGGCCTTCATATTCAGATCAACCCACTTGATTTTTCTTCTACCGACACAATTTCAGCACCGTTGGAAGATTCAAGAGAGATTCGGTGCCAAGCAGGCTTTGTTGGTGATGTTCAAAGTATGAGTCAGGCAACAGATGAAAAGTGTGGAGATTATAAAATGGATTATACGCAAAACTCAAATCATATTTTCAATACTTTGAACTCTATGGTTCCTCCCAATGGTGCTGTGGGCCCAGTAAGCTGGATGTTGGATCAACATAATGGAGTCTGCAATGGAAAGATTGATTCATCCTTCATTAGCCAATCAAATGGCAGTCCTTCACCTCTGGTGCAGCTCAGTGAAATTGAGAAATCAGCTACGGAATTGAAAACAAGGTCCAATGAAGACTATCATTTGGGGCAAATGAAGTTACAGGGGGGTCTTGTTCATAATAGTTATGACTCCTTGGATGATCTGATGAATGAAATGATCAGTCAGAACTCTTTCAAAGTCAATTCTCTGAATTCAGAACCTTTGAATACTGGCATAAGCGGTTCTAATTTTCTGAGCAACGGTAGATGCAATGAGAATTGGCGGAGCACCATTCAAGTATCAAAATTTTCATCTAATAATCCTTCATCATTGAGCGGAACTTTTAATCATGATCGACTGCCTTCTAATGGCATGAGAACCAATAATTCTTCATCTGGCCTTCATATTCAGATCAACCCACTTGATTTTTCTTCTACCGACACAATTTCAGCACCGTTGGAAGATTCAAGAGAGATTCGGTGCCAAGCAGGCTTTGTTGGTGATGTTCAAAGTATGAGTCAGGCAACAGATGAAAAGTGTGGAGATTATAAAATGGATTATACGCAAAACTCAAATCATATTTTCAATACTTTGAACTCTATGGTTCCTCCCAATGGTGCTGTGGGCCCAGTAAGCTGGATGTTGGATCAACATAATGGAGTCTGCAATGGAAAGATTGATTCATCCTTTATTAGCCAATCAAATGGCAGTCCTTCACCTCTGGTGCAGCTCAGTGAAATTGAGAAATCAGCTACGGAATTGAAAACAAGGTCCAATGAAGACTATCATTTGGGGCAAATGAAGTTACAGGGGGGTCTTGTTCATAATAGTTATGACTCCTTGGATGATCTGATGAATGAAATGATCAGTCAGGACCAAAATGGACCTATGCTAGTGGATGGAGAATTTGGATTTGATGCGTACTCGTTTGGATCGTGCTAA
Protein Sequence:
- >Achn218951|Actinidia_chinensis|ARR-B|Achn218951
MTVEEIRGNCGRENSNFPLGMRVLAVDDDPTCLKLLDGLLRKCQYQVTTSSQAKTALKMLRENKNRFDLVISDVHMPDMDGFKLLELVGLEMDLPVIMLSANSDTKLVMKGITHGACDYLVKPVRIEELRNIWQHVLRRKKFDSKSPTVDEACQGNGKSLKESEPTGNEDKNGKVNRKRKDEEEEEEEDEENGEENEDLATQKKPRVVWSIELHGKFVAAVNQLGIERISAQLELNQLQQSKLTSDMFDSGCDPTIFTSTSSLVDNIVPVGSLINSLPSASSNPLFLQGNPQQTLSGGVFGNQNSFKVNSLNSEPLNTGISGSNFLSNGRCNENWRSTIQVSKFSSNNPSSLSGTFNHDRLPSNGMRTNNSSSGLHIQINPLDFSSTDTISAPLEDSREIRCQAGFVGDVQSMSQATDEKCGDYKMDYTQNSNHIFNTLNSMVPPNGAVGPVSWMLDQHNGVCNGKIDSSFISQSNGSPSPLVQLSEIEKSATELKTRSNEDYHLGQMKLQGGLVHNSYDSLDDLMNEMISQNSFKVNSLNSEPLNTGISGSNFLSNGRCNENWRSTIQVSKFSSNNPSSLSGTFNHDRLPSNGMRTNNSSSGLHIQINPLDFSSTDTISAPLEDSREIRCQAGFVGDVQSMSQATDEKCGDYKMDYTQNSNHIFNTLNSMVPPNGAVGPVSWMLDQHNGVCNGKIDSSFISQSNGSPSPLVQLSEIEKSATELKTRSNEDYHLGQMKLQGGLVHNSYDSLDDLMNEMISQDQNGPMLVDGEFGFDAYSFGSC*