A near-gapless genome assembly of Pseudocydonia sinensis uncovers unique phenylpropanoid pathways.

ABSTRACT: Pseudocydonia sinensis, commonly known as Chinese quince, belongs to the Rosaceae family and is closely related to apple and pear. Despite its botanical significance, genomic resources for this species remain limited. We present a high-quality, chromosome-scale, and haplotype-resolved genome assembly of P. sinensis, characterized by high BUSCO completeness and QV scores. The genome sizes of Haplotypes A and B are 581.29 Mb and 561.80 Mb, respectively, each spanning 17 chromosomes with a contig N50 of 15.76 Mb. Comparative genomic analyses place P. sinensis within the Maleae tribe, closely related to Malus domestica and Pyrus communis, both of which have undergone an additional whole-genome duplication event. Gene family and metabolomic analyses show that the genome has an expansion of 1603

SUBMITTER: Zhang Y 

PROVIDER: S-EPMC12392956 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature