期刊
PLANT SCIENCE
卷 289, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2019.110223
关键词
Phenylalanine; Arogenate dehydratase; Seed-to-seedling; Development; Metabolism; Defense; Biosynthesis
资金
- National Science Foundation [MCB-0848113]
- UIC startup funds
- UIC Honors College LASURI Research award
Phenylalanine is an aromatic amino acid that provides the carbon skeleton for the phenylpropanoid pathway, making many diverse chemicals used for structure, defense, and yet undiscovered functions. The identification of the arogenate dehydratase (ADT) enzymes in the genetic model Arabidopsis thaliana provided a platform to explore the roles of phenylalanine in all stages of life: germination, in the seed-to-seedling transition stage, organelle function, and in generation of defense mechanisms, enabling further studies in other plants. From the literature, data indicate that phenylalanine produced by ADT may have direct roles in organellar and tissue development. Recent studies implicate ADTs in cell division and protection from Reactive Oxygen Species, and in signaling and growth. Research in phenylalanine and subsequent phenylpropanoids also point to a role of phenylalanine as a purveyor of C and N nutrients. The understanding of phenylalanine action in plant cells is enhanced by recent research on phenylalanine in animal cells.
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