{"doi":"10.1073/pnas.2009475118","title":"The <i>mop1</i> mutation affects the recombination landscape in maize","abstract":"Significance Meiotic recombination is regulated by both genetic and epigenetic factors such as DNA methylation. In maize, we found that the mop1 mutation removes CHH (where H = A, T, or C) methylation that is immediately adjacent to sites of frequent recombination in both chromosomal arms and pericentromeric regions. We further found that the mop1 mutation increased meiotic recombination frequencies in chromosomal arms but decreased them in pericentromeric regions. Our data demonstrate that although CHH methylation is present at a much lower level than CG and CHG methylation, it has a substantial effect on recombination frequencies, suggesting an important role for RNA-directed DNA methylation in meiotic recombination in maize.","journal":"Proceedings of the National Academy of Sciences","year":2021,"id":186242,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":23,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9509,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2021-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":463880,"name":"Jia-Chi Ku","orcid":"0000-0002-6891-2781","position":1,"is_corresponding":false},{"id":34209,"name":"Beibei Liu","orcid":"0000-0001-8912-8649","position":2,"is_corresponding":false},{"id":448941,"name":"Diya Yang","orcid":"0000-0002-3131-1157","position":3,"is_corresponding":false},{"id":743601,"name":"Liangwei Yin","orcid":"0000-0001-7097-4976","position":4,"is_corresponding":false},{"id":744253,"name":"Tyshawn Ferrell","orcid":null,"position":5,"is_corresponding":false},{"id":743602,"name":"Claire E. Stoll","orcid":"0000-0003-1785-9535","position":6,"is_corresponding":false},{"id":743603,"name":"Wei Guo","orcid":"0000-0001-5087-8768","position":7,"is_corresponding":false},{"id":624028,"name":"Xinyan Zhang","orcid":"0000-0001-6269-3138","position":8,"is_corresponding":false},{"id":261920,"name":"Dafang Wang","orcid":"0000-0001-8508-0721","position":9,"is_corresponding":false},{"id":463887,"name":"Rachel Wang","orcid":"0000-0002-1046-3012","position":10,"is_corresponding":false},{"id":447181,"name":"Damon Lisch","orcid":"0000-0002-8693-8651","position":11,"is_corresponding":false},{"id":447180,"name":"Meixia Zhao","orcid":"0000-0001-8812-8217","position":0,"is_corresponding":true}],"reference_count":74,"raw_metadata":null,"created_at":"2026-07-18T23:48:42.632147Z","pmid":"33558228","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}