The genus Malus,a cornerstone of global temperate fruit production,has experienced a complex reticulate evolutionary history that complicates organellar genome dynamics and germplasm utilization.To elucidate the genom...The genus Malus,a cornerstone of global temperate fruit production,has experienced a complex reticulate evolutionary history that complicates organellar genome dynamics and germplasm utilization.To elucidate the genomic plasticity shaped by evolutionary processes and domestication,we assembled and analyzed mitochondrial genomes from 17 Malus species.Although these mitogenomes exhibit high sequence conservation,their diversity arises from large-scale structural variations,including recombination-mediated rearrangements,lineage-specific inversions,and rep eat-driven deletions.展开更多
基金supported by the R&D Program of Beijing Municipal Education Commission(Grant No.KM202310020010)。
文摘The genus Malus,a cornerstone of global temperate fruit production,has experienced a complex reticulate evolutionary history that complicates organellar genome dynamics and germplasm utilization.To elucidate the genomic plasticity shaped by evolutionary processes and domestication,we assembled and analyzed mitochondrial genomes from 17 Malus species.Although these mitogenomes exhibit high sequence conservation,their diversity arises from large-scale structural variations,including recombination-mediated rearrangements,lineage-specific inversions,and rep eat-driven deletions.