2020
DOI: 10.1038/s41598-020-78695-3
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Heat stress elicits remodeling in the anther lipidome of peanut

Abstract: Understanding the changes in peanut (Arachis hypogaea L.) anther lipidome under heat stress (HT) will aid in understanding the mechanisms of heat tolerance. We profiled the anther lipidome of seven genotypes exposed to ambient temperature (AT) or HT during flowering. Under AT and HT, the lipidome was dominated by phosphatidylcholine (PC), phosphatidylethanolamine (PE), and triacylglycerol (TAG) species (> 50% of total lipids). Of 89 lipid analytes specified by total acyl carbons:total carbon–carbon double b… Show more

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Cited by 29 publications
(31 citation statements)
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“…3 ), which is a cumulative effect of lipid remodeling. Reducing lipid unsaturation levels in cellular membranes enables plants to maintain optimal membrane fluidity in response to increases in growth temperature [ 27 , 29 , 30 , 32 , 33 , 48 ]. Although a common response in plant lipidomes under high-temperature stress is reductions in unsaturation levels, the magnitude of those reductions is greater for the heat-tolerant genotypes than the heat-susceptible genotypes [ 27 , 29 , 30 , 32 , 33 , 48 ].…”
Section: Discussionmentioning
confidence: 99%
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“…3 ), which is a cumulative effect of lipid remodeling. Reducing lipid unsaturation levels in cellular membranes enables plants to maintain optimal membrane fluidity in response to increases in growth temperature [ 27 , 29 , 30 , 32 , 33 , 48 ]. Although a common response in plant lipidomes under high-temperature stress is reductions in unsaturation levels, the magnitude of those reductions is greater for the heat-tolerant genotypes than the heat-susceptible genotypes [ 27 , 29 , 30 , 32 , 33 , 48 ].…”
Section: Discussionmentioning
confidence: 99%
“…The conversion of 16:2 to 16:3 in plastids is also catalyzed by FAD7/8. Decreasing lipid unsaturation levels by lowering the amount of 18:3 and/or 16:3 fatty acids through reducing the expression of FAD3 , FAD7 , and/or FAD8 genes is likely a heat-acclimation mechanism in plants [ 30 , 32 , 49 , 50 ].…”
Section: Discussionmentioning
confidence: 99%
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