Alignment of Rutaceae Genomes Reveals Lower Genome Fractionation Level Than Eudicot Genomes Affected by Extra Polyploidization.

ABSTRACT: Owing to their nutritional and commercial values, the genomes of several citrus plants have been sequenced, and the genome of one close relative in the Rutaceae family, atalantia (Atalantia buxifolia), has also been sequenced. Here, we show a family-level comparative analysis of Rutaceae genomes. By using grape as the outgroup and checking cross-genome gene collinearity, we systematically performed a hierarchical and event-related alignment of Rutaceae genomes, and produced a gene list defining homologous regions based on ancestral polyploidization or speciation. We characterized genome fractionation resulting from gene loss or relocation, and found that erosion of gene collinearity could largely be described by a geometric distribution. Moreover, we found that well-assembled Rutace

SUBMITTER: Yuan J 

PROVIDER: S-EPMC6691040 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature