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Open AccessArticle

Strigolactone Signaling Genes Showing Differential Expression Patterns in Arabidopsis max Mutants

Department of Bioindustry and Bioresource Engineering, Plant Engineering Research Institute, Sejong University, Seoul 05006, Korea
Department of Biosciences and Bioinformatics, Myongji University, Yongin 17058, Korea
Department of Molecular Genetic Biotechnology, Dong-A University, Busan 49315, Korea
Department of Life Sciences, Sogang University, Seoul 04107, Korea
Author to whom correspondence should be addressed.
Plants 2019, 8(9), 352;
Received: 22 July 2019 / Revised: 9 September 2019 / Accepted: 16 September 2019 / Published: 19 September 2019
Strigolactone (SL) is a recently discovered class of phytohormone that inhibits shoot branching. The molecular mechanism underlying SL biosynthesis, perception, and signal transduction is vital to the plant branching phenotype. Some aspects of their biosynthesis, perception, and signaling include the role of four MORE AXILLARY GROWTH genes, MAX3, MAX4, MAX1, and MAX2. It is important to identify downstream genes that are involved in SL signaling. To achieve this, we studied the genomic aspects of the strigolactone biosynthesis pathway using microarray analysis of four max mutants. We identified SL signaling candidate genes that showed differential expression patterns in max mutants. More specifically, 1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE 4 (ACC4) and PROTEIN KINASE 3 (PKS3) displayed contrasting expression patterns, indicating a regulatory mechanism in SL signaling pathway to control different phenotypes apart from branching phenotype. View Full-Text
Keywords: strigolactone; MAX; biosynthesis; signaling; branching; microarray strigolactone; MAX; biosynthesis; signaling; branching; microarray
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MDPI and ACS Style

Kumar, M.; Kim, I.; Kim, Y.-K.; Heo, J.B.; Suh, M.C.; Kim, H.U. Strigolactone Signaling Genes Showing Differential Expression Patterns in Arabidopsis max Mutants. Plants 2019, 8, 352.

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