Journal
ANNUAL REVIEW OF PLANT BIOLOGY, VOL 69
Volume 69, Issue -, Pages 417-435Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-arplant-042817-040226
Keywords
YUCCA; flavin monooxygenase; Arabidopsis; TAA; tryptophan; aminotransferases
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Funding
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM114660] Funding Source: NIH RePORTER
- NIGMS NIH HHS [R01 GM114660] Funding Source: Medline
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It has been a dominant dogma in plant biology that the self-organizing polar auxin transport system is necessary and sufficient to generate auxin maxima and minima that are essential for almost all aspects of plant growth and development. However, in the past few years, it has become clear that local auxin biosynthesis is required for a suite of developmental processes, including embryogenesis, endosperm development, root development, and floral initiation and patterning. Moreover, it was discovered that local auxin biosynthesis maintains optimal plant growth in response to environmental signals, including light, temperature, pathogens, and toxic metals. In this article, I discuss the recent progress in auxin biosynthesis research and the paradigm shift in recognizing the important roles of local auxin biosynthesis in plant biology.
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