ArticleGenes & genomics2018
Analysis of sulphur and chlorine induced DNA cytosine methylation alterations in fresh corn (Zea mays L. saccharata and rugosa) leaf tissues by methylation sensitive amplification polymorphism (MSAP) approach.
Article in Genes & genomics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Physiological, Biochemical, and Epigenetic Reaction of Maize (International journal of molecular sciences · 2023Article
- Exploring the crop epigenome: a comparison of DNA methylation profiling techniques.Frontiers in plant science · 2023Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
DNA (cytosine) methylation mechanism is another way through which plants respond to various cues including soil fertility amendments and abiotic stresses, and the mechanism has been used to infer some physiological, biochemical or adaptation processes. Despite numerous studies on global DNA methylation profiling in various crop species, however, researches on fresh corn (Zea mays L. saccharata or rugosa) remain largely unreported. The study aimed at investigating sulphur and chlorine induced DNA methylation changes in the fresh corn leaves of field-grown plants at the milk stage. Methylation sensitive amplification polymorphism (MSAP) technique was used to profile sulphur (S) and chlorine (Cl) induced DNA methylation patterns, levels and polymorphism alterations at the CCGG sites in fresh corn leaves of TDN21, JKN2000 and JKN928 hybrid cultivars. Twelve primer pairs used effectively detected 325 MSAP bands, exhibiting differentially methylated sites in the genomic DNA of all the three cultivars, with control showing higher (48.9-56.3%) type I bands as compared to sulphur (34.8-44.9%) and chlorine (40.9-47.4%) treatment samples. Consequently, total methylation levels were greater in S and Cl treatment samples than control; accounting for 43.7-59.7, 51.1-65.2 and 46.8-55.1% of total sites in TDN21, JKN2000 and JKN928, respectively. Full methylation of the internal cytosine was greater than hemi-methylation. Further, demethylation polymorphic loci significantly exceeded methylation polymorphic loci, being greater in S than Cl and control samples in all cultivars. Sulphur and chlorine have a profound influence on DNA methylation patterns and levels at the milk stage, principally by increasing the demethylation loci in the internal cytosine of the fresh corn genome. We speculate that these methylation alterations play an integral role in photosynthates assimilation and physiochemical pathways regulating quality parameters in kernels, as well as abiotic stress responses in fresh corn.
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