Ascorbic acid is involved in melatonin-induced salinity tolerance of maize (Zea mays L.) by regulating antioxidant and photosynthetic capacities

M. Zhu, T. Guo, Y.B. Liu, R. Xiao, T. Yu, J.X. Huang, W.L. Du, X.M. Zhong, B. Song, F.H. Li · 2024

Read Ascorbic acid is involved in melatonin-induced salinity tolerance of maize (Zea mays L.) by regulating antioxidant and photosynthetic capacities by M. Zhu, T. Guo, Y.B. Liu, R. Xiao, T. Yu, J.X. Huang, W.L. Du, X.M. Zhong, B. Song, F.H. Li (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11726288.txt.

Description

Maize wilts fast in salty soil, and the authors of this study ask whether two plant compounds, melatonin and ascorbic acid, protect it better together than apart. They grew two maize inbred lines under salt stress and sprayed the seedlings with each compound and with both. Treated plants kept more of their photosynthetic power and biomass, ran their antioxidant enzymes hotter, and held less sodium in their tissues. Blocking ascorbic acid production erased melatonin's benefits, while blocking melatonin did not erase ascorbic acid's.

That asymmetry points to a chain of command: melatonin works through ascorbic acid, which acts as a downstream signal. The finding gives breeders and growers a concrete pairing to test in salty fields.

Catalog record

CREATORM. Zhu, T. Guo, Y.B. Liu, R. Xiao, T. Yu, J.X. Huang, W.L. Du, X.M. Zhong, B. Song, F.H. Li
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE39 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11726288

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