msup6 supA

msup6 supA predicts m6A methylation status and the effects of trait-associated SNPs in maize RNA sequences using a weakly supervised learning approach trained on low-resolution epitranscriptome data such as MeRIP-seq.


Key Features:

  • Weakly Supervised Learning Model: A weakly supervised model trained on low-resolution epitranscriptome datasets (e.g., MeRIP-seq) predicts m6A methylation status across maize RNA fragments and genomic regions.
  • SNP Trait Association: Identification and prediction of single nucleotide polymorphisms (SNPs) that can add or remove m6A modifications, linking SNPs to potential epitranscriptomic regulatory mechanisms and trait associations.
  • Experimentally Validated m6A Regions: Includes a consolidated dataset of 58,838 experimentally validated m6A-containing regions in maize used for training and testing.
  • Predicted Trait-Associated SNPs: Contains 2,578 predicted trait-associated SNPs reported to affect m6A modifications and their predicted impacts on methylation status.
  • Model-Based Site Prediction: Computational prediction of putative m6A sites from maize sequences and assessment of how specific SNPs alter predicted m6A status.

Scientific Applications:

  • m6A mapping in maize: Predicts nucleotide-resolution m6A methylation patterns from low-resolution MeRIP-seq-derived training data to inform epitranscriptome studies in maize.
  • SNP impact analysis: Identifies SNPs that potentially create or abolish m6A sites to study genetic regulation of RNA methylation and associated phenotypic traits.
  • Dataset provision for modeling: Provides a curated set of 58,838 validated m6A regions and associated training/testing data for benchmarking and developing m6A prediction algorithms.
  • Mechanistic inference: Enables investigation of how epitranscriptomic variation mediated by SNPs may contribute to regulatory mechanisms in maize.

Methodology:

Integration of weakly supervised learning techniques with low-resolution epitranscriptome sequencing data (e.g., MeRIP-seq) to predict m6A methylation patterns and infer SNP effects on m6A status.

Topics

Details

Cost:
Free of charge
Tool Type:
web application
Operating Systems:
Mac, Linux, Windows
Added:
5/20/2022
Last Updated:
5/20/2022

Operations

Publications

Liang Z, Zhang L, Chen H, Huang D, Song B. m6A-Maize: Weakly supervised prediction of m6A-carrying transcripts and m6A-affecting mutations in maize (Zea mays). Methods. 2022;203:226-232. doi:10.1016/j.ymeth.2021.11.010. PMID:34843978.

PMID: 34843978
Funding: - Xi’an Jiaotong-Liverpool University: KSF-E-51, KSF-P-02, KSF-T-01 - National Natural Science Foundation of China: 31671373