ArticlePhysiology and molecular biology of plants : an international journal of functional plant biology2020
Characterization of contrasting genotypes reveals general physiological and molecular mechanisms of heat-stress adaptation in maize (
Article in Physiology and molecular biology of plants : an international journal of functional plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 11 citations in OpenAlex.
- Article
- Identification of Candidate Heat-Tolerance Genes in Maize by Integrating Linkage and Transcriptomic Analyses.Plants (Basel, Switzerland) · 2026Article
- Impact of High-Temperature Stress on Maize Seed Setting: Cellular and Molecular Insights of Thermotolerance.International journal of molecular sciences · 2025Review
- Article
- Genes and pathways correlated with heat stress responses and heat tolerance in maize kernels.Frontiers in plant science · 2023Article
- Identification and Characterization of Contrasting Genotypes/Cultivars for Developing Heat Tolerance in Agricultural Crops: Current Status and Prospects.Frontiers in plant science · 2020Review
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4 authors at 2 institutions in 1 country.
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Abstract
In order to dissect the adaptation response of maize to heat-stress, we characterized and juxtaposed different physio-biochemical parameters for two contrasting genotypes, namely DTPYC9F119 (heat-stress tolerant) and K64R (heat-stress susceptible) under 6 days heat treatment (38/28 °C). Chlorophyll a and b content was found to be reduced under high temperature in both the genotypes, but, it was reduced more prominently in the susceptible genotype (K64R). Net photosynthetic rate was significantly reduced under high temperature in K64R but this reduction was relatively lower in case of DTPYC9F119. Stomatal conductance was increased under stress treatment in both the genotypes but the rate of increase was lower in tolerant one (DTPYC9F119). Activity of anti-oxidant enzymes (viz. catalase, peroxidase and superoxide dismutase) and their gene expression was increased in both the genotypes under heat-stress condition. Thus, the heat-stress tolerant genotype has evolved some strategies like modulation of anti-oxidant gene expression, lower transpiration rate, lower increase of internal CO
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