Pistachio is a nut crop domesticated in the Fertile Crescent and a dioecious species with ZW sex *** sequenced the genomes of Pistacia vera cultivar(cv.)Siirt,the female parent,and *** ***,the male *** chromosome-leve...
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Pistachio is a nut crop domesticated in the Fertile Crescent and a dioecious species with ZW sex *** sequenced the genomes of Pistacia vera cultivar(cv.)Siirt,the female parent,and *** ***,the male *** chromosome-level reference genomes of pistachio were generated,and Z and W chromosomes were *** ZW chromosomes originated from an autosome following the first inversion,which occurred approximately 8.18 *** inversion events in the W chromosome led to the formation of a 12.7-Mb(22.8%of the W chromosome)non-recombining *** W-specific sequences contain several genes of interest that may have played a pivotal role in sex de.ermination and contributed to the initiation and evolution of a ZW sex chromosome system in *** W-specific genes,including de.A,de.A-like,DYT1,two PTEN1,and two tande. duplications of six VPS13A paralogs,are strong candidates for sex de.ermination or *** history analysis of resequenced genomes suggest that cultivated pistachio unde.went severe domestication bottlenecks approximately 7640 years ago,dating the domestication event close to the archeological record of pistachio domestication in *** ide.tified 390,211,and 290 potential selective sweeps in 3 cultivar subgroups that unde.lie agronomic traits such as nut de.elopment and quality,grafting success,flowering time shift,and drought *** findings have improved our unde.standing of the genomic basis of sex de.ermination/differentiation and horticulturally important traits and will accelerate the improvement of pistachio cultivars and rootstocks.
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