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- Title
Late-maturity α-amylase (LMA): exploring the underlying mechanisms and end-use quality effects in wheat.
- Authors
Cannon, Ashley E.; Marston, Elliott J.; Kiszonas, Alecia M.; Hauvermale, Amber L.; See, Deven R.
- Abstract
Main conclusion: A comprehensive understanding of LMA from the underlying molecular aspects to the end-use quality effects will greatly benefit the global wheat industry and those whose livelihoods depend upon it. Late-maturity α-amylase (LMA) leads to the expression and protein accumulation of high pI α-amylases during late grain development. This α-amylase is maintained through harvest and leads to an unacceptable low falling number (FN), the wheat industry's standard measure for predicting end-use quality. Unfortunately, low FN leads to significant financial losses for growers. As a result, wheat researchers are working to understand and eliminate LMA from wheat breeding programs, with research aims that include unraveling the genetic, biochemical, and physiological mechanisms that lead to LMA expression. In addition, cereal chemists and quality scientists are working to determine if and how LMA-affected grain impacts end-use quality. This review is a comprehensive overview of studies focused on LMA and includes open questions and future directions.
- Subjects
GLUTELINS; WHEAT breeding; PHYSIOLOGY; WHEAT trade; PROTEIN expression; OPEN-ended questions
- Publication
Planta: An International Journal of Plant Biology, 2022, Vol 255, Issue 1, p1
- ISSN
0032-0935
- Publication type
Article
- DOI
10.1007/s00425-021-03749-3