Information report for Cla006210
Gene Details
Functional Annotation
- TrEMBL: A0A498KU08 — A0A498KU08_MALDO; Uncharacterized protein
- 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
- Citrus sinensis: orange1.1g043479m
- Cucumis melo: MELO3C006873P1
- Cucumis sativus: Cucsa.251000.1
- Juglans regia: WALNUT_00004387-RA
- Malus domestica: MDP0000288452
- Manihot esculenta: Manes.06G143400.1.p, Manes.14G029400.1.p
- Nicotiana tabacum: XP_016445021.1, XP_016445020.1, XP_016445019.1, XP_016445018.1, XP_016445017.1
- Populus trichocarpa: Potri.015G136000.1, Potri.012G133800.1
- Prunus mume: XP_008234473.1
- Prunus persica: Prupe.2G289800.1.p
- Pyrus bretschneideri: Pbr032760.1, Pbr013929.1
- Ricinus communis: 30147.m014309
- Sesamum indicum: XP_011076492.1
- Vitis vinifera: GSVIVT01010627001
- Ziziphus jujuba: XP_015878004.1
Sequences
CDS Sequence:
- >Cla006210|Citrullus_lanatus|ARR-B|Cla006210
ATGGAGGCTCTTAAATCCACTGCCATTCCCATCTTCAGATCCTACCCAGTTTCCTTCTCCACTAAGTCTTTAAAACCCATCAACGTTTCCATCAAGCCGCCCCCCTCGGACTTTGATTTTCGATCAGAAATCTCTCGGGATTCCAGAGCCGCCATTGCTGAAGCTCACCCTGAGTTGCTTGATTTGGCCGACGATGGCACATTGGTTTTGGTTGACAAGACGAGATTTGGGCCTGTTCCGGCCTGGAGGGCCGAATTTGTGGAGCCCCAAGCAATATGGCTGGTCGGAACTTCGCATATTTCTCCCAAATCGGTTAAGGATGTCGAGCGAGTTGTCCGAGCAGTGAAGCCAGATAATGTGGTCGTCGAGCTTTGCAGGAGCAGGCAAGGTCTTCTGAGGTTCAAGTTATTGGTTCACATGGCTGAGTCACTTGTCTTGCACTTGCGTTCAAAGTTTCAAGTGCTTAGAGCTGGTATCATGTATACTTTAGATACTGGTGAGCCAGACCAAAAACTGAAATCCAACATGTTCTCCTTGAGTGGGGATGGTTTTCTGGGTGCTGTTGGTCGCAGCATAAACTTAGGAGGCCAAACTGCTCTTGCTTTGCGTCTGCTTCTAGCAGTTTTTTCATCCAAAATTTCATCGGATGTCAACCGTCCTTTTGGAGATGAGTTTCGAGCTGCTCGTAAAGCATCTGAAGAAGTTGGTGCTCAAATAGTTTTGGGGGACCGGCCAATTGAGATAACTCTAGAAAGGGCATGGAATGCTCTGACTTGGACTGAGAAGTTGAGTTTAGTAAGCTCAGTTGTTCGTGGAATAACATCGGAATCTGATTTTTCTCAGAACAATGATGAGGAATCAGGTCGAAGTGGTAGTTCTTTGCAGCTGTATGAGAAGCTTAGTTTTTCTTTTCCATCCCTCCTTCAACCTCTCATTCATGAACGAGATACTTACCTTGCGTGGTCTCTGAAGCGTAGCAAGGCGGTGAACGAGAGCAAGAGAGTGGTCGGGGTGATTGGAAGAGGCCATATGAATGGTGTCATTTATGCATTAATATCGGACCAAGGAAACTTGCGATTTCGAGACCTTGCAGGTAAAAAAGCTGGAGAAGGTAATTCCAATGGCTTTGTTAGCCGTCTCCTGCAGAGCTTGGTTAGAGACACTATCATTGGTGTTGTCTTGATGGATGGGAAATTGTTTGTGGATATTAATATATTGTTGGTGGATGATGATGCTACTTCTCTTGCTGTTGTTTCTGCCATGCTTAGACTTTGCAAATACCAAGTTGTGACTCTCAGAAACCCAATAGAAGCACTTGATACTCTTAGGGCAAGAAAAGGGTTTTTTGATCTTGTTGTCACTGACCTCCACATGCCTCAAATGAATGGTCTTCAATTACAAAAGAAAGTAATGCAAGAATTCAAGCTTCCTGTTATTATGATGTCAGCTGATGAAAAGCCTAGTGTGATATTGAAGAGTTTAGAGGAGGGTGTTGCATTTTATATGGTAAAACCAATAAGCCTAGATGATGTCAAACATGTATGGCAATATGCTATTTCACCCAAAAATGTTATACCTAACCAAACAATAACGATTACCCAACGACAATTATCGATCGAGAACTCATCGAGCTCTTCGGCGCTGTGTTTGAAAAAGGAGATCATCAAATCTAAATCTACAAAATTCAAGAACAAGAAGGCAAAGCAAAAGTCCATTCCCTTAAGAAAGCCAAAAGTGATTTGGACTAATTCACTTCACAATCGATTTTTACAAGCCATTAGACTAATAGGCCTTCACAAGGCAGTCCCAAAGAAGATCCTTGAGTTCATGAATGTGCCTGGCTTGACTAGAGAAAATGTTGCCAGCCATTTACAGAAGTACAGAATTTTCTTGAAAAGAGTTACTGAAAAGGGAGATCATTCAATGAAGATATCTGCTGATTACACATTACTAAGATCAAGTTTTGCTAATTCTTCTCACTTTCAGTTTCAATCCCCATTATTCACATCAAAATTCCAATCCCAACATTCATATTTCCTTCAAAATAAACAATTAATGCCTCCTTTAAACAACCAATGTCCACCGAATAATCTCTTAAATCTCACCTCTCTTTCAAACCCTAATCTTGAAGAACCTTCCATGGGAAAGTCCTCAAGTCTTCTGACTCTCAACAAATCTAACTTCCCTTGCAACGGGTTCGTCGTCTCGAGTTCGGCTCAAGACGATCAGAATTTCGTGTCGATCGAGAATGAAAATCTTAATTGTTCAAGCAACGGAACGGGAAGGACGACGACGACTGGAGAGGTTCAAATGATTTGTTTGGGTCAAAATGGGCTATGCAATAATATTGTTCAAGCTCCTCATGATCTAAACGATAGAGGACTGAGCTTGGATAATAATGGAGGTAAACACCAAAATTTACCAATGAATTCTAACAAAAATGTGGAGGAGAATGGTCCTATTTTAGTGTCATCAGAAGAAGAAGAAGGGAAAGCAGCTAATGACACCATTGCATTTGGAGATATTGATGAAAACCAAAATTGTTTTGATGTTCTTAGTGAGATCTTCATGGGGCACAACCAAAATCAAACTTCTTTAAGGGGTTGGGACGATGATATTTTAGAAATGCTTTTCGGAGATGGTTCATCTTCATCATAG
Protein Sequence:
- >Cla006210|Citrullus_lanatus|ARR-B|Cla006210
MEALKSTAIPIFRSYPVSFSTKSLKPINVSIKPPPSDFDFRSEISRDSRAAIAEAHPELLDLADDGTLVLVDKTRFGPVPAWRAEFVEPQAIWLVGTSHISPKSVKDVERVVRAVKPDNVVVELCRSRQGLLRFKLLVHMAESLVLHLRSKFQVLRAGIMYTLDTGEPDQKLKSNMFSLSGDGFLGAVGRSINLGGQTALALRLLLAVFSSKISSDVNRPFGDEFRAARKASEEVGAQIVLGDRPIEITLERAWNALTWTEKLSLVSSVVRGITSESDFSQNNDEESGRSGSSLQLYEKLSFSFPSLLQPLIHERDTYLAWSLKRSKAVNESKRVVGVIGRGHMNGVIYALISDQGNLRFRDLAGKKAGEGNSNGFVSRLLQSLVRDTIIGVVLMDGKLFVDINILLVDDDATSLAVVSAMLRLCKYQVVTLRNPIEALDTLRARKGFFDLVVTDLHMPQMNGLQLQKKVMQEFKLPVIMMSADEKPSVILKSLEEGVAFYMVKPISLDDVKHVWQYAISPKNVIPNQTITITQRQLSIENSSSSSALCLKKEIIKSKSTKFKNKKAKQKSIPLRKPKVIWTNSLHNRFLQAIRLIGLHKAVPKKILEFMNVPGLTRENVASHLQKYRIFLKRVTEKGDHSMKISADYTLLRSSFANSSHFQFQSPLFTSKFQSQHSYFLQNKQLMPPLNNQCPPNNLLNLTSLSNPNLEEPSMGKSSSLLTLNKSNFPCNGFVVSSSAQDDQNFVSIENENLNCSSNGTGRTTTTGEVQMICLGQNGLCNNIVQAPHDLNDRGLSLDNNGGKHQNLPMNSNKNVEENGPILVSSEEEEGKAANDTIAFGDIDENQNCFDVLSEIFMGHNQNQTSLRGWDDDILEMLFGDGSSSS