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240508s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19799
|2 doi
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|a pubmed24n1430.xml
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|a eng
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|a She, Hongbing
|e verfasserin
|4 aut
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|a Insights into spinach domestication from genome sequences of two wild spinach progenitors, Spinacia turkestanica and Spinacia tetrandra
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 06.06.2024
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|a Date Revised 06.06.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.
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|a Cultivated spinach (Spinacia oleracea) is a dioecious species. We report high-quality genome sequences for its two closest wild relatives, Spinacia turkestanica and Spinacia tetrandra, which are also dioecious, and are used to study the genetics of spinach domestication. Using a combination of genomic approaches, we assembled genomes of both these species and analyzed them in comparison with the previously assembled S. oleracea genome. These species diverged c. 6.3 million years ago (Ma), while cultivated spinach split from S. turkestanica 0.8 Ma. In all three species, all six chromosomes include very large gene-poor, repeat-rich regions, which, in S. oleracea, are pericentromeric regions with very low recombination rates in both male and female genetic maps. We describe population genomic evidence that the similar regions in the wild species also recombine rarely. We characterized 282 structural variants (SVs) that have been selected during domestication. These regions include genes associated with leaf margin type and flowering time. We also describe evidence that the downy mildew resistance loci of cultivated spinach are derived from introgression from both wild spinach species. Collectively, this study reveals the genome architecture of spinach assemblies and highlights the importance of SVs during the domestication of cultivated spinach
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|a Journal Article
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|a bottlenecks
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|a domestication
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|a evolution
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|a pericentromeric region
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|a wild spinach relatives
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|a Liu, Zhiyuan
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Zhaosheng
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Helong
|e verfasserin
|4 aut
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|a Wu, Jian
|e verfasserin
|4 aut
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|a Wang, Xiaowu
|e verfasserin
|4 aut
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| 700 |
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|a Cheng, Feng
|e verfasserin
|4 aut
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| 700 |
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|a Charlesworth, Deborah
|e verfasserin
|4 aut
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| 700 |
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|a Qian, Wei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 243(2024), 1 vom: 07. Juni, Seite 477-494
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:243
|g year:2024
|g number:1
|g day:07
|g month:06
|g pages:477-494
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|u http://dx.doi.org/10.1111/nph.19799
|3 Volltext
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