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In order to better understand the molecular basis of heterosis in maize, the methylation-sensitive amplification polymorphism method was used to estimate patterns of cytosine methylation in seedling roots and leaves and 15-d postfertilization embryo and endosperm tissues of hybrids and their parental lines Zheng58 and Chang7-2. In all tissues, total(More)
A novel yellow-green leaf mutant yellow-green leaf-1 (ygl-1) was isolated in self-pollinated progenies from the cross of maize inbred lines Ye478 and Yuanwu02. The mutant spontaneously showed yellow-green character throughout the lifespan. Meanwhile, the mutant reduced contents of chlorophyll and Car, arrested chloroplast development and lowered the(More)
Glycinebetaine plays an important role in the protection mechanism of many plants under various stress conditions. In this study, genetically engineered maize plants with an enhanced ability to synthesise glycinebetaine (GB) were produced by introducing two genes, glycine sarcosine methyltransferase gene (ApGSMT2) and dimethylglycine methyltransferase gene(More)
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