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231223s2005 xx ||||| 00| ||eng c |
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|a (NLM)15720704
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|e rakwb
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|a eng
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|a Wang, Xiyin
|e verfasserin
|4 aut
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|a Duplication and DNA segmental loss in the rice genome
|b implications for diploidization
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 24.05.2005
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|a Date Revised 30.09.2020
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|a published: Print
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|a CommentIn: New Phytol. 2005 Mar;165(3):658-61. - PMID 15720677
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|a Citation Status MEDLINE
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|a * Large-scale duplication events have been recently uncovered in the rice genome, but different interpretations were proposed regarding the extent of the duplications. * Through analysing the 370 Mb genome sequences assembled into 12 chromosomes of Oryza sativa subspecies indica, we detected 10 duplicated blocks on all 12 chromosomes that contained 47% of the total predicted genes. Based on the phylogenetic analysis, we inferred that this was a result of a genome duplication that occurred c. 70 million years ago, supporting the polyploidy origin of the rice genome. In addition, a segmental duplication was also identified involving chromosomes 11 and 12, which occurred c. 5 million years ago. * Following the duplications, there have been large-scale chromosomal rearrangements and deletions. About 30-65% of duplicated genes were lost shortly after the duplications, leading to a rapid diploidization. * Together with other lines of evidence, we propose that polyploidization is still an ongoing process in grasses of polyploidy origins
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Shi, Xiaoli
|e verfasserin
|4 aut
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|a Hao, Bailin
|e verfasserin
|4 aut
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|a Ge, Song
|e verfasserin
|4 aut
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|a Luo, Jingchu
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 165(2005), 3 vom: 01. März, Seite 937-46
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|x 1469-8137
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|g volume:165
|g year:2005
|g number:3
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|g month:03
|g pages:937-46
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|d 165
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