August 15, 2025Crop and Pasture Science

Annual ryegrass modulates gene expression in cold environments to enhance synthesis of monounsaturated and saturated fatty acids

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Authors

DODimas Estrásulas de OliveiraUniversidade do Estado de Santa Catarina GWGabriel R. Wiggers RLRayllana LarsenUniversidade do Estado de Santa Catarina

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Implication

Observational analysis shows increased gene expression of MACPT and DESAT5 in annual ryegrass under cold stress, indicating altered fatty acid profiles.

Key Points

Adaptation to colder environments raised levels of saturated and monounsaturated fatty acids in annual ryegrass, enhancing its cold tolerance.
In diploid ryegrass, MACPT expression increased by 352%, while ACACAα decreased by 45% under low temperatures, significantly affecting fatty acid profiles.
Quantitative real-time PCR analysis demonstrated that DESAT5 expression rose by 61.5% in diploid ryegrass at colder locations, contributing to altered lipid composition.
Findings highlight the potential for selecting ryegrass genotypes with better cold-responsive genes for improved pasture productivity and animal nutrition.

Cite This Study

Oliveira et al. (2025) studied this question.

synapsesocial.com/papers/68af50a7ad7bf08b1ead8f0b https://doi.org/10.1071/cp25121

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Implication

Observational analysis shows increased gene expression of MACPT and DESAT5 in annual ryegrass under cold stress, indicating altered fatty acid profiles.

Annual ryegrass modulates gene expression in cold environments to enhance synthesis of monounsaturated and saturated fatty acids

Discussion

Member takes

Implication

Key Points

Cite This Study

Annual ryegrass modulates gene expression in cold environments to enhance synthesis of monounsaturated and saturated fatty acids

Discussion

Member takes

Implication

Key Points

Cite This Study

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