ArticleJournal of plant research2021
Tissue and/or developmental stage specific methylation of nrDNA in Capsicum annuum.
Article in Journal of plant research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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
3 citing papers in PubMed.
- Grafting based DNA methylation alteration of snoRNAs in upland cotton (Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Decrypting Molecular Mechanisms Involved in Counteracting Copper and Nickel Toxicity in Jack Pine (Plants (Basel, Switzerland) · 2024Article
- Choosing the Right Path for the Successful Storage of Seeds.Plants (Basel, Switzerland) · 2022Review
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The nuclear ribosomal DNA (nrDNA) sequences are often used for phylogenetic analysis among organisms. Because DNA cytosine methylation and nucleolar dominancy are two common epigenetic mechanisms of nrDNA, we hypothesized that internal transcribed spacer 1 (ITS1), 5.8S rRNA and ITS2 of nrDNA sequences could be used as epigenetic biomarkers. Thus, this research was undertaken to study level and pattern of site-specific cytosine methylation of ITS1, 5.8S and ITS2 in nine tissues and/or developmental stage of pepper Capsicum annuum L. cultivar Demre Sivrisi. Tissues studied consisted of young and old roots at 30 and 90 days after sowing (das), mature dry seeds and seeds at 26 days of post anthesis (dpa), flowering buds at 1 day before flowering, pericarps at 3, 15 and 65 dpa. Levels and patterns of DNA cytosine methylation were identified at single base resolution using bisulfite conversion sequencing. Results of this study revealed that DNA cytosine level and pattern of ITS1, 5.8S and ITS2 were different in most tissues and/or developmental stages studied. In addition, methylation levels of CG, CHG and CHH contexts were also significantly different among the regions. Based on the findings of this study, it was concluded that high level of methylation of nrDNA sequences was relatively higher as observed in transposable element and promoter. On the other hand, its tissue-specific gene expression was effective as that of gene body and promoter methylation. Overall findings revealed that methylation levels of nrDNA could be used as biomarkers for tissue identification or age estimation in plants.
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