ArticlePloS one2013
Variation in genomic methylation in natural populations of chinese white poplar.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Epigenetics in forest trees- key driver to phenotypic plasticity and adaptation under stress.Functional & integrative genomics · 2025Review
- Increased DNA methylation contributes to the early ripening of pear fruits during domestication and improvement.Genome biology · 2024Article
- Genetics and epigenetics ofFrontiers in plant science · 2023Article
- DNA methylation and its effects on gene expression during primary to secondary growth in poplar stems.BMC genomics · 2020Article
- Epigenetic diversity of3 Biotech · 2020Article
- The use of MSAP reveals epigenetic diversity of the invasive clonal populations of Arundo donax L.PloS one · 2019Article
- Epigenetic population differentiation in field- and common garden-grownEcology and evolution · 2018Article
- Epigenetic Variance, Performing Cooperative Structure with Genetics, Is Associated with Leaf Shape Traits in Widely Distributed Populations of Ornamental TreeFrontiers in plant science · 2018Article
- Intraspecific DNA methylation polymorphism in the non-edible oilseed plant castor bean.Plant diversity · 2017Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIt is thought that methylcytosine can be inherited through meiosis and mitosis, and that epigenetic variation may be under genetic control or correlation may be caused by neutral drift. However, DNA methylation also varies with tissue, developmental stage, and environmental factors. Eliminating these factors, we analyzed the levels and patterns, diversity and structure of genomic methylcytosine in the xylem of nine natural populations of Chinese white poplar. PRINCIPAL
findingsOn average, the relative total methylation and non-methylation levels were approximately 26.567% and 42.708% (P<0.001), respectively. Also, the relative CNG methylation level was higher than the relative CG methylation level. The relative methylation/non-methylation levels were significantly different among the nine natural populations. Epigenetic diversity ranged from 0.811 (Gansu) to 1.211 (Shaanxi), and the coefficients of epigenetic differentiation (GST = 0.159) were assessed by Shannon's diversity index. Co-inertia analysis indicated that methylation-sensitive polymorphism (MSP) and genomic methylation pattern (CG-CNG) profiles gave similar distributions. Using a between-group eigen analysis, we found that the Hebei and Shanxi populations were independent of each other, but the Henan population intersected with the other populations, to some degree.
conclusionsGenome methylation in Populus tomentosa presented tissue-specific characteristics and the relative 5'-CCGG methylation level was higher in xylem than in leaves. Meanwhile, the genome methylation in the xylem shows great epigenetic variation and could be fixed and inherited though mitosis. Compared to genetic structure, data suggest that epigenetic and genetic variation do not completely match.
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