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The importance of thiamine (vitamin B1) in plant health: From crop yield to biofortification

Published inJournal of biological chemistry, vol. 295, no. 34, p. 12002-12013
Publication date2020-08-21
First online date2020-06-17
Abstract

Ensuring that people have access to sufficient and nutritious food is necessary for a healthy life and the core tenet of food security. With the global population set to reach 9.8 billion by 2050, and the compounding effects of climate change, the planet is facing challenges that necessitate significant and rapid changes in agricultural practices. In the effort to provide food in terms of calories, the essential contribution of micronutrients (vitamins and minerals) to nutrition is often overlooked. Here, we focus on the importance of thiamine (vitamin B1) in plant health and discuss its impact on human health. Vitamin B1is an essential dietary component, and deficiencies in this micronutrient underlie several diseases, notably nervous system disorders. The predominant source of dietary vitamin B1is plant-based foods. Moreover, vitamin B1is also vital for plants themselves, and its benefits in plant health have received less attention than in the human health sphere. In general, vitamin B1is well-characterized for its role as a coenzyme in metabolic pathways, particularly those involved in energy production and central metabolism, including carbon assimilation and respiration. Vitamin B1is also emerging as an important component of plant stress responses, and several noncoenzyme roles of this vitamin are being characterized. We summarize the importance of vitamin B1in plants from the perspective of food security, including its roles in plant disease resistance, stress tolerance, and crop yield, and review the potential benefits of biofortification of crops with increased vitamin B1content to improve human health.

eng
Keywords
  • Biofortification
  • Coenzyme
  • Defense
  • Food security
  • Genetic engineering
  • Metabolism
  • Micronutrient
  • Physiology
  • Plant
  • Plant biochemistry
  • Plant defense
  • Thiamine
  • Vitamin
  • Yield
  • Crops, Agricultural / metabolism
  • Humans
  • Thiamine / metabolism
Citation (ISO format)
FITZPATRICK, Thérésa Bridget, CHAPMAN, Lottie. The importance of thiamine (vitamin B1) in plant health: From crop yield to biofortification. In: Journal of biological chemistry, 2020, vol. 295, n° 34, p. 12002–12013. doi: 10.1074/jbc.REV120.010918
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Article (Published version)
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ISSN of the journal0021-9258
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