MAX4 and RMS1 are orthologous dioxygenase-like genes that regulate shoot branching in Arabidopsis and pea.
By Karim Sorefan, Jonathan Booker, K. Haurogné, M. Goussot, K. Bainbridge, E. Foo, S. Chatfield, Sally Ward, C. Beveridge, C. Rameau and 1 more. Genes & Development, 2003
618 citations recorded by the source corpus.
Shoot branching is inhibited by auxin transported down the stem from the shoot apex. Auxin does not accumulate in inhibited buds and so must act indirectly. We show that mutations in the MAX4 gene of Arabidopsis result in increased and auxin-resistant bud growth. Increased branching in max4 shoots is restored to wild type by grafting to wild-type rootstocks, suggesting that MAX4 is required to produce a mobile branch-inhibiting signal, acting downstream of auxin. A similar role has been proposed for the pea gene, RMS1. Accordingly, MAX4 and RMS1 were found to encode orthologous, auxin-inducible members of the polyene dioxygenase family.
Subfields: Agronomy and Crop Science, Plant Science
View Paper: https://www.semanticscholar.org/paper/e93e4889f355f7c420d5cd65e7a88e723d9f7b83
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In Plant Science
Citations in the corpus
- Carotenoid cleavage dioxygenases and their apocarotenoid products in plants (2009, neutral): “RMS1 (Sorefan et al. 2003) and DAD1 (Snowden et al. 2005) are MAX4 orthologs; RMS5 (Johnson et al. 2006) and possibly DAD3 (Simons et al. 2007) are MAX3 orthologs.”
- Inhibition of shoot branching by new terpenoid plant hormones (2008, methodology): “(6)-[69-d1]-epi5DS was purified by a silica gel column (Wakogel C-200, Wako Pure Industries; n-hexane-ethyl acetate stepwise) and semi-preparative high-performance liquid chromatography on reverse-phase (Inertsil ODS-3, GL Sciences; 70% acetonitrile in water) and normal-phase (Inertsil SIL-100A, GL ”
- Vitamin synthesis in plants: tocopherols and carotenoids. (2006, background): “MAX3/CCD7 is a carotenoid cleavage dioxygenase required for the synthesis of a novel plant signaling molecule.”
- DWARF27, an Iron-Containing Protein Required for the Biosynthesis of Strigolactones, Regulates Rice Tiller Bud Outgrowth[W][OA] (2009, background): “By contrast, the signaling mutant d3, which is defective in the ortholog of Arabidopsis MAX2, accumulates higher levels of strigolactones.”
- d14, a strigolactone-insensitive mutant of rice, shows an accelerated outgrowth of tillers. (2009, background): “Molecular identifi cation of MAX genes has demonstrated the validity of the prediction (Stirnberg et al. 2002, Sorefan et al. 2003, Booker et al. 2004, Booker et al. 20005).”