| Literature DB >> 23511201 |
Shinsaku Ito1, Mikihisa Umehara, Atsushi Hanada, Shinjiro Yamaguchi, Tadao Asami.
Abstract
TIS108 is a triazole-type strigolactone (SL)-biosynthesis inhibitor that reduces the level of 2'-epi-5-deoxystrigol (epi-5DS) in rice. Here we report the effects of TIS108 on Arabidopsis. Treatment of TIS108 increased the number of branches and repressed root hair elongation as was observed in SL-deficient mutants, and co-application of GR24, a synthetic SL analog, recovered the TIS108-induced phenotype to that of wild-type. In addition, MAX3 and MAX4 genes in the SL-biosynthesis pathway were upregulated in TIS108-treated Arabidopsis, probably due to feedback regulation caused by SL deficiency. These results indicate that TIS108 is an effective tool for regulating SL production in Arabidopsis.Entities:
Keywords: arabidopsis; biosynthesis inhibitor; plant growth regulator; plant hormone; strigolactone
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Year: 2013 PMID: 23511201 PMCID: PMC3907539 DOI: 10.4161/psb.24193
Source DB: PubMed Journal: Plant Signal Behav ISSN: 1559-2316