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| Title |
Integrative analysis of DNA methylation, mRNAs, and small RNAs during maize embryo dedifferentiation
|
|---|---|
| Published in |
BMC Plant Biology, June 2017
|
| DOI | 10.1186/s12870-017-1055-x |
| Pubmed ID | |
| Authors |
Hongjun Liu, Langlang Ma, Xuerong Yang, Lin Zhang, Xing Zeng, Shupeng Xie, Huanwei Peng, Shibin Gao, Haijian Lin, Guangtang Pan, Yongrui Wu, Yaou Shen |
| Abstract |
Maize (Zea mays) is an important model crop for transgenic studies. However, genetic transformation of maize requires embryonic calli derived from immature embryo, and the impact of utilizing tissue culture methods on the maize epigenome is poorly understood. Here, we generated whole-genome MeDIP-seq data examining DNA methylation in dedifferentiated and normal immature maize embryos. We observed that most of the dedifferentiated embryos exhibited a methylation increase compared to normal embryos. Increased methylation at promoters was associated with down-regulated protein-coding gene expression; however, the correlation was not strong. Analysis of the callus and immature embryos indicated that the methylation increase was induced during induction of embryonic callus, suggesting phenotypic consequences may be caused by perturbations in genomic DNA methylation levels. The correlation between the 21-24nt small RNAs and DNA methylation regions were investigated but only a statistically significant correlation for 24nt small RNAs was observed. These data extend the significance of epigenetic changes during maize embryo callus formation, and the methylation changes might explain some of the observed embryonic callus variation in callus formation. |
X Demographics
The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 37 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 8 | 22% |
| Researcher | 7 | 19% |
| Student > Master | 5 | 14% |
| Professor | 2 | 5% |
| Student > Doctoral Student | 2 | 5% |
| Other | 4 | 11% |
| Unknown | 9 | 24% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 18 | 49% |
| Biochemistry, Genetics and Molecular Biology | 5 | 14% |
| Neuroscience | 2 | 5% |
| Unspecified | 1 | 3% |
| Unknown | 11 | 30% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 November 2017.
All research outputs
#20,451,991
of 23,007,887 outputs
Outputs from BMC Plant Biology
#2,548
of 3,283 outputs
Outputs of similar age
#275,926
of 317,082 outputs
Outputs of similar age from BMC Plant Biology
#26
of 34 outputs
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So far Altmetric has tracked 3,283 research outputs from this source. They receive a mean Attention Score of 3.0. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 34 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.