期刊
NATURE BIOTECHNOLOGY
卷 29, 期 6, 页码 521-U84出版社
NATURE RESEARCH
DOI: 10.1038/nbt.1860
关键词
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资金
- Qatar Foundation
- Direct For Biological Sciences [1118550] Funding Source: National Science Foundation
- Division Of Integrative Organismal Systems [1118550] Funding Source: National Science Foundation
Date palm is one of the most economically important woody crops cultivated in the Middle East and North Africa and is a good candidate for improving agricultural yields in arid environments. Nonetheless, long generation times (5-8 years) and dioecy (separate male and female trees) have complicated its cultivation and genetic analysis. To address these issues, we assembled a draft genome for a Khalas variety female date palm, the first publicly available resource of its type for a member of the order Arecales. The similar to 380 Mb sequence, spanning mainly gene-rich regions, includes >25,000 gene models and is predicted to cover similar to 90% of genes and similar to 60% of the genome. Sequencing of eight other cultivars, including females of the Deglet Noor and Medjool varieties and their backcrossed males, identified >3.5 million polymorphic sites, including >10,000 genic copy number variations. A small subset of these polymorphisms can distinguish multiple varieties. We identified a region of the genome linked to gender and found evidence that date palm employs an XY system of gender inheritance.
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