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Feedback-regulation of strigolactone biosynthetic genes and strigolactone-regulated genes in Arabidopsis

Mashiguchi, K., Tokyo Univ. (Japan) ; Sasaki, E ; Shimada, Y ; Nagae, M ; Ueno, K ; Nakano, T ; Yoneyama, K ; Suzuki, Y ; Asami, T

Bioscience, biotechnology, and biochemistry, 2009-11, Vol.73 (11), p.2460-2465 [Periódico revisado por pares]

Tokyo: Japan Society for Bioscience, Biotechnology, and Agrochemistry

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Título:
Feedback-regulation of strigolactone biosynthetic genes and strigolactone-regulated genes in Arabidopsis
Autor: Mashiguchi, K., Tokyo Univ. (Japan) ; Sasaki, E ; Shimada, Y ; Nagae, M ; Ueno, K ; Nakano, T ; Yoneyama, K ; Suzuki, Y ; Asami, T
Assuntos: Arabidopsis ; Arabidopsis - cytology ; Arabidopsis - drug effects ; Arabidopsis - genetics ; Arabidopsis - physiology ; Arabidopsis Proteins - genetics ; ARABIDOPSIS THALIANA ; Biological and medical sciences ; BIOSINTESIS ; BIOSYNTHESE ; BIOSYNTHESIS ; BROTES ; ETAPAS DE DESARROLLO DE LA PLANTA ; EXPRESION GENICA ; EXPRESSION DES GENES ; feedback regulation ; Feedback, Physiological - drug effects ; Fundamental and applied biological sciences. Psychology ; GENE ; GENE EXPRESSION ; Gene Expression Regulation, Plant - drug effects ; GENES ; GENETICA MOLECULAR ; GENETIQUE MOLECULAIRE ; http://www.fao.org/aos/agrovoc#c_14261 ; http://www.fao.org/aos/agrovoc#c_27527 ; http://www.fao.org/aos/agrovoc#c_27577 ; http://www.fao.org/aos/agrovoc#c_3214 ; http://www.fao.org/aos/agrovoc#c_33292 ; http://www.fao.org/aos/agrovoc#c_34079 ; http://www.fao.org/aos/agrovoc#c_5013 ; http://www.fao.org/aos/agrovoc#c_5959 ; http://www.fao.org/aos/agrovoc#c_928 ; Lactones - metabolism ; Lactones - pharmacology ; microarray ; MOLECULAR GENETICS ; MUTANT ; MUTANTES ; MUTANTS ; PCR ; PLANT DEVELOPMENTAL STAGES ; POUSSE ; Seedlings - cytology ; Seedlings - drug effects ; Seedlings - genetics ; Seedlings - physiology ; shoot branching ; SHOOTS ; Signal Transduction - drug effects ; STADE DE DEVELOPPEMENT VEGETAL ; strigolactone
É parte de: Bioscience, biotechnology, and biochemistry, 2009-11, Vol.73 (11), p.2460-2465
Notas: 2010000317
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Descrição: Strigolactones (SLs) have recently been found to regulate shoot branching, but the functions of SLs at other stages of development and the regulation of SL-related gene expression are mostly unknown in Arabidopsis. In this study, we performed real-time reverse transcription-PCR (RT-PCR) and microarray analysis using wild-type plants and SL-deficient/insensitive mutants to understand the molecular mechanisms underlying SL biosynthesis and signaling. We found that there is responsiveness to SL in the gene expression of Arabidopsis seedlings, which includes feedback regulation of two carotenoid cleavage dioxygenase genes. Microarray analysis revealed that exogenously applied SL regulated the expression of several genes, including light signaling-related genes and auxin-inducible genes. We also found that MORE AXILLARY GROWTH (MAX)2 plays an important role in the expression of SL-regulated genes. Our data support previous studies indicating that SL might function at the seedling stage. Analysis of SL-responsive and MAX2 downstream gene candidates provides new opportunities to broaden our understanding of SL signaling.
Editor: Tokyo: Japan Society for Bioscience, Biotechnology, and Agrochemistry
Idioma: Inglês

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Feedback-regulation of strigolactone biosynthetic genes and strigolactone-regulated genes in Arabidopsis

Mashiguchi, K., Tokyo Univ. (Japan) ; Sasaki, E ; Shimada, Y ; Nagae, M ; Ueno, K ; Nakano, T ; Yoneyama, K ; Suzuki, Y ; Asami, T

Tokyo: Japan Society for Bioscience, Biotechnology, and Agrochemistry

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