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January 1, 1994The Plant Cell

Evidence for Chilling-Induced Oxidative Stress in Maize Seedlings and a Regulatory Role for Hydrogen Peroxide

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Authors

TPTottempudi K. PrasadMAMarc D. AndersonBMB.A. Martin

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Overview

Experimental study demonstrates chilling-induced oxidative stress in maize seedlings, suggesting hydrogen peroxide functions as a key acclimation signal.

Key Points

  • Investigate whether chilling temperatures induce oxidative stress in maize seedlings and evaluate the signaling role of hydrogen peroxide in cold acclimation.
  • Exposed maize (Zea mays) seedlings to chilling stress and exogenous hydrogen peroxide treatments.
  • Assayed reactive oxygen species generation, cellular oxidative damage, and antioxidant enzyme responses during chilling exposure and recovery.
  • Chilling exposure induces significant accumulation of hydrogen peroxide and activates oxidative stress pathways in seedling tissues.
  • Pretreatment with low concentrations of hydrogen peroxide upregulates protective antioxidant enzymes and enhances survival during subsequent severe chilling stress.

Cite This Study

Prasad et al. (1994) studied this question.

synapsesocial.com/papers/6a70b8a4ac440176ef29628bhttps://doi.org/10.2307/3869675
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