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LBD18

Gene
LBD18
Protein
LOB domain-containing protein 18
Organism
Arabidopsis thaliana
Length
262 amino acids
Function
Involved in the positive regulation of tracheary element (TE) differentiation. Involved in a positive feedback loop that maintains or promotes NAC030/VND7 expression that regulates TE differentiation-related genes (PubMed:19088331). Functions in the initiation and emergence of lateral roots, in conjunction with LBD16, downstream of ARF7 and ARF19 (PubMed:19717544, PubMed:23749813). Transcriptional activator that directly regulates EXPA14, a gene encoding a cell wall-loosening factor that promotes lateral root emergence. Activates EXPA14 by directly binding to a specific region of its promoter (PubMed:22974309). Transcriptional activator that directly regulates EXPA17, a gene encoding a cell wall-loosening factor that promotes lateral root emergence (PubMed:23872272). Acts downstream of the auxin influx carriers AUX1 and LAX1 in the regulation of lateral root initiation and development (PubMed:26059335).
Similarity
Belongs to the LOB domain-containing protein family.
Mass
27.219 kDa
Sequence
MSGGGNTITAVGGGGGGCGGGGSSGGGGSSGGGGGGPCGACKFLRRKCVPGCIFAPYFDSEQGSAYFAAVHKVFGASNVSKLLLHIPVHRRSDAVVTICYEAQARIRDPIYGCVAHIFALQQQVVNLQAEVSYLQAHLASLELPQPQTRPQPMPQPQPLFFTPPPPLAITDLPASVSPLPSTYDLASIFDQTTSSSAWATQQRRFIDPRHQYGVSSSSSSVAVGLGGENSHDLQALAHELLHRQGSPPPAATDHSPSRTMSR