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Genetic introgression from Neanderthals and Denisovan has shaped modern human genomes; however, introgressed structural variants (SVs ≥50 base pairs) remain challenging to discover. We integrated high-quality phased assemblies from four new Papua New Guinea (PNG) genomes with 94 published assemblies of diverse ancestry to infer an archaic introgressed SV map. Introgressed SVs are overall enriched in genes (44%, n=1,592), including critical genomic disorder regions, and most abundant in PNG. We identify 11 centromeres likely derived from archaic hominins, adding unexplored diversity to centromere genomics. Pangenome genotyping across 1,363 samples reveals 16 candidate adaptive SVs, many associated with immune-related genes and their expression, in the PNG. We hypothesize that archaic SV introgression contributed to reproductive success, underscoring introgression as a significant force in human adaptive evolution.
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http://dx.doi.org/10.1101/2025.06.24.661368 | DOI Listing |
Mol Genet Genomics
September 2025
ICAR-National Institute for Plant Biotechnology, Pusa Campus, New Delhi, 110012, India.
An introgression from Moricandia arvensis is known to restore male fertility to Brassica juncea cytoplasmic male sterile lines carrying M. arvensis, Diplotaxis berthautii, D. catholica or D.
View Article and Find Full Text PDFTheor Appl Genet
August 2025
State Key Laboratory of Crop Gene Resources and Breeding, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
A novel powdery mildew resistance gene Pm7C from Aegilops caudata was introgressed into common wheat through ph1b-induced homoeologous recombination and mapped to the 7CL bin FL 0.90-0.96 on chromosome 7C.
View Article and Find Full Text PDFPlant Genome
September 2025
Department of Plant Science, University of Manitoba, Winnipeg, Manitoba, Canada.
Fusarium head blight (FHB) of wheat (Triticum aestivum L.), caused by Fusarium graminearum, is a major wheat disease that causes significant yield and quality loss. The use of resistant cultivars is an effective tool for managing FHB; however, FHB resistance is a complex trait.
View Article and Find Full Text PDFTheor Appl Genet
August 2025
State Key Laboratory of High-Efficiency Production of Wheat-Maize Double Cropping, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China.
Map-based cloning of ZmSS5. ZmSS5 pathway was constructed and validated. The 'ZmSS5 hypothesis' was proposed.
View Article and Find Full Text PDFbioRxiv
June 2025
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
Genetic introgression from Neanderthals and Denisovan has shaped modern human genomes; however, introgressed structural variants (SVs ≥50 base pairs) remain challenging to discover. We integrated high-quality phased assemblies from four new Papua New Guinea (PNG) genomes with 94 published assemblies of diverse ancestry to infer an archaic introgressed SV map. Introgressed SVs are overall enriched in genes (44%, n=1,592), including critical genomic disorder regions, and most abundant in PNG.
View Article and Find Full Text PDF