2024
Evolutionary innovations in germline biology of placental mammals identified by transcriptomics of first-wave spermatogenesis in opossum
Marshall K, Stadtmauer D, Maziarz J, Wagner G, Lesch B. Evolutionary innovations in germline biology of placental mammals identified by transcriptomics of first-wave spermatogenesis in opossum. Developmental Cell 2024 PMID: 39536760, DOI: 10.1016/j.devcel.2024.10.013.Peer-Reviewed Original ResearchPlacental mammalsLevel of transcriptionSingle-cell dataGene expression patternsMammalian spermatogenesisGene expression programsEpigenomic dataAdult testisEvolutionary innovationSpermatogenic cellsGene setsSpermatogenic developmentModel marsupialOpossum Monodelphis domesticaGene expressionExpression patternsGenesDevelopmental processesExpression programsSpermatogenesisMonodelphis domesticaMammalsDevelopmental timeCombination of featuresExpression
2023
KDM6A/UTX promotes spermatogenic gene expression across generations and is not required for male fertility†
Walters B, Rainsford S, Heuer R, Dias N, Huang X, de Rooij D, Lesch B. KDM6A/UTX promotes spermatogenic gene expression across generations and is not required for male fertility†. Biology Of Reproduction 2023, 110: 391-407. PMID: 37861693, PMCID: PMC11484508, DOI: 10.1093/biolre/ioad141.Peer-Reviewed Original ResearchMale germ lineGerm lineGenome-wide epigenetic profilingGene regulatory statesHeritable epigenetic statesHundreds of genesLoss of KDM6AEarly meiotic prophaseSpermatogenic cellsSpermatogenic gene expressionKDM6A/UTXPaternal germ lineDemethylation of H3K27me3H3K27me3 peaksH3K27me3 domainsMisregulated genesEpigenetic stateChromatin organizationRepressive modificationsTranscriptional activatorMammalian spermatogenesisChromatin undergoesLysine demethylase 6AEpigenetic profilingGene activation
2022
Widespread association of the Argonaute protein AGO2 with meiotic chromatin suggests a distinct nuclear function in mammalian male reproduction
Griffin KN, Walters BW, Li H, Wang H, Biancon G, Tebaldi T, Kaya CB, Kanyo J, Lam TT, Cox AL, Halene S, Chung JJ, Lesch BJ. Widespread association of the Argonaute protein AGO2 with meiotic chromatin suggests a distinct nuclear function in mammalian male reproduction. Genome Research 2022, 32: 1655-1668. PMID: 36109149, PMCID: PMC9528986, DOI: 10.1101/gr.276578.122.Peer-Reviewed Original ResearchMammalian male reproductionArgonaute 2Distinct nuclear functionsConditional knockoutMale reproductionProtein Argonaute 2Abnormal sperm head morphologyMeiotic chromatinAnimal developmentCytoplasmic roleNuclear functionsMale meiosisNuclear roleMRNA translationAgo2 proteinImportant genesNuclear compartmentMRNA transcriptsBiological relevanceSperm head morphologyHead morphologySpermatogenic cellsWidespread associationChromatinProtein