Raffinose Family Oligosaccharides: Crucial Regulators of Plant Development and Stress Responses

Raffinose family oligosaccharides (RFOs), the α-galactosyl derivatives of sucrose, are nearly ubiquitous in Plantae, and they have been demonstrated to play pivotal roles in regulating plant responses to various abiotic stresses. RFOs accumulate to high levels in plant kernels/fruits or vegetative p...

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Published inCritical reviews in plant sciences Vol. 41; no. 4; pp. 286 - 303
Main Authors Yan, Shijuan, Liu, Qing, Li, Wenyan, Yan, Jianbing, Fernie, Alisdair R.
Format Journal Article
LanguageEnglish
Published Boca Raton Taylor & Francis 04.07.2022
Taylor & Francis Ltd
Subjects
biotic stress
Cellular stress response
Cold tolerance
Desiccation
Development
evolution
Germination
metabolism
Oligosaccharides
Plantae
Raffinose
raffinose family oligosaccharides
Seed germination
storage quality
stress response
stress tolerance
Sucrose
transport
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Summary:Raffinose family oligosaccharides (RFOs), the α-galactosyl derivatives of sucrose, are nearly ubiquitous in Plantae, and they have been demonstrated to play pivotal roles in regulating plant responses to various abiotic stresses. RFOs accumulate to high levels in plant kernels/fruits or vegetative parts and are commonly associated with storability and desiccation or cold tolerance. Recent studies have also revealed the regulatory roles of RFOs in seed germination, plant development, and biotic stress resistance. Here, we provide an overview of the metabolism, transport, and evolution of RFOs as well as their physiological importance in plants. Recent research highlights the general importance of RFOs in plant development and stress response.
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ISSN:0735-2689
1549-7836
1549-7836
DOI:10.1080/07352689.2022.2111756