Passion Fruit's Cold Survival Secrets Revealed in Metabolic Reprogramming Study
· newswise.com · popularity 19/100 · 0 similar stories today · Science & Research Methods (Discovery & Research)
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Summary
<img src="https://www.newswise.com/legacy/image.php?image=https://media.newswise.com/pio/articles/857585/6ae33c11c78b5_Snipaste_2026-10-29_20-22-49_857585.jpg&width=100&height=150" alt="Newswise image" />Passion fruit, a tropical crop of growing economic importance, suffers devastating yield losses when unexpected cold snaps hit. Now, researchers have uncovered the molecular strategies that allow some varieties to withstand low temperatures while others wither. By integrating transcriptomic and metabolomic analyses of cold-tolerant and cold-sensitive cultivars, the team identified three key metabolic pathways--sphingolipid, phenylpropanoid, and terpene metabolism--that are dramatically reprogrammed under cold stress. The findings reveal that cold tolerance in passion fruit does not rely on the well-known ICE-CBF-COR pathway found in Arabidopsis and other plants, but instead employs a distinct set of protective mechanisms.
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