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De novo genome sequencing and comparative genomics of date palm (Phoenix dactylifera)

Open access
Al-Dous, Eman K, George, Binu, Al-Mahmoud, Maryam E, Al-Jaber, Moneera Y, Wang, Hao, Salameh, Yasmeen M, Al-Azwani, Eman K, Chaluvadi, Srinivasa, Pontaroli, Ana C, DeBarry, Jeremy, Arondel, Vincent, Ohlrogge, John, Saie, Imad J, Suliman-Elmeer, Khaled M, Bennetzen, Jeffrey L, Kruegger, Robert R, Malek, Joel A·2011·Nature Biotechnology

Abstract

Unlike most plants, date palms are either male or female. Assembly of a draft date palm genome, the first for a member of the order Arecales, reveals loci linked to gender and provides markers for improving traits such as fruit quality and ripening time. 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 ∼380 Mb sequence, spanning mainly gene-rich regions, includes >25,000 gene models and is predicted to cover ∼90% of genes and ∼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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Metadata

Authors
Al-Dous, E. K., George, B., Al-Mahmoud, M. E., Al-Jaber, M. Y., Wang, H., Salameh, Y. M., Al-Azwani, E. K., Chaluvadi, S., Pontaroli, A. C., DeBarry, J., Arondel, V., Ohlrogge, J., Saie, I. J., Suliman-Elmeer, K. M., Bennetzen, J. L., Kruegger, R. R., & Malek, J. A.
Venue
Nature Biotechnology
Published
2011-05-29
Volume
29
Issue
6
Pages
521-527
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2167034214
Cited by
405
References
7
FWCI
39.60
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: De novo genome sequencing and comparative genomics of date palm (Phoenix dactylifera). https://app.cochat.ai/papers/10.1038/nbt.1860
The paper
Al-Dous, E. K., George, B., Al-Mahmoud, M. E., Al-Jaber, M. Y., Wang, H., Salameh, Y. M., Al-Azwani, E. K., Chaluvadi, S., Pontaroli, A. C., DeBarry, J., Arondel, V., Ohlrogge, J., Saie, I. J., Suliman-Elmeer, K. M., Bennetzen, J. L., Kruegger, R. R., & Malek, J. A. (2011). De novo genome sequencing and comparative genomics of date palm (Phoenix dactylifera). Nature Biotechnology. https://doi.org/10.1038/nbt.1860

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.