Imine chemistry in plant metabolism
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Imine chemistry represents an important category of chemical reactions involved in the biosynthesis of plant natural products, ranging from the newly discovered mobile defense hormone N-hydroxy-pipecolic acid to the red-to-yellow tyrosine-derived betalain pigments. Spontaneous imine formation reactions have also served as the basis for the evolution of numerous plant metabolic enzymes, such as specialized Pictet-Spenglerases that produce the backbone structures of benzylisoquinoline and monoterpene indole alkaloids and pyridoxal 5′-phosphate-dependent enzymes of diverse functions. Here, we review occurrences of imine chemistry in plant metabolism and their chemical and biochemical mechanisms. A better understanding of plant imine chemistry will ultimately facilitate synthetic biology approaches to further expand the scope of imine natural product biosynthesis for broad biotechnological applications.
Original language | English |
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Article number | 101999 |
Journal | Current Opinion in Plant Biology |
Volume | 60 |
ISSN | 1369-5266 |
DOIs | |
Publication status | Published - 2021 |
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