Basic information
Locus name	At5g67300
Alias	AtMYBR1/AtMYB44
Organism	Arabidopsis thaliana
Taxonomic identifier	[NCBI]
Function category	Transcription regulation:MYB
Effect for Senescence	delay
Gene Description	The transcription factor AtMYBR1 (MYB44) is a member of the MYB family of transcription factors and is expressed throughout the plant life cycle and especially in senescing and wounded leaves.
Evidence	Genetic evidence:transgene [Ref 1]
References	1: Jaradat MR, Feurtado JA, Huang D, Lu Y, Cutler AJ. Multiple roles of the transcription factor AtMYBR1/AtMYB44 in ABA signaling, stress responses, and leaf senescence. BMC Plant Biol. 2013 Nov 28;13:192. doi: 10.1186/1471-2229-13-192.
Gene Ontology	molecular function chromatin binding
Sequence	AT5G67300.1 | Genomic | mRNA | CDS | Protein
Mutant information
Mutated 1 Mutant name atmyr1 Mutant/Transgenic mutant Ecotype Col-0 Mutagenesis type T-DNA
Mutated 2 Mutant name AtMYBR1ox Mutant/Transgenic transgene Ecotype Col-0 Mutagenesis type transgenic
Ortholog Group
Ortholog Groups: OG5_188688	Accession Taxon NP_190575 Arabidopsis thaliana NP_201531 ( At5g67300 ) Arabidopsis thaliana 29970.m000987 Ricinus communis
Cross Link
Database Entry ID E-value Start End InterPro ID Description ProSiteProfiles PS51294 29.6 1 56 IPR017930 Myb domain PANTHER PTHR10641 1.7E-65 2 246 No hit NA SUPERFAMILY SSF46689 3.0E-31 3 99 IPR009057 Homeodomain-like SMART SM00717 1.6E-17 5 54 IPR001005 SANT/Myb domain Pfam PF00249 1.6E-16 6 51 IPR001005 SANT/Myb domain SMART SM00717 1.3E-14 57 105 IPR001005 SANT/Myb domain ProSiteProfiles PS51294 19.8 58 107 IPR017930 Myb domain Pfam PF00249 2.0E-15 60 102 IPR001005 SANT/Myb domain
Mutant Image
When MYBR1 was over-expressed under the control of the constitutive 35S promoter in Arabidopsis thaliana (OxMYBR1), leaf senescence was delayed. In contrast loss-of-function mybr1 plants showed more rapid chlorophyll loss and senescence.
Subcellular Localization
Localization	nucleus
Evidence	SUBAcon
Pubmed ID	23180787