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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.22078
|2 doi
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|a pubmed25n1196.xml
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|a (DE-627)NLM359055184
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|a (NLM)37404346
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Akai, Kotaro
|e verfasserin
|4 aut
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| 245 |
1 |
3 |
|a De novo genome assembly of the partial homozygous dihaploid potato identified PVY resistance gene (Rychc) derived from Solanum chacoense
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| 264 |
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1 |
|c 2023
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Revised 18.07.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2023 by JAPANESE SOCIETY OF BREEDING.
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|a The isolation of disease resistance genes introduced from wild or related cultivated species is essential for understanding their mechanisms, spectrum and risk of breakdown. To identify target genes not included in reference genomes, genomic sequences with the target locus must be reconstructed. However, de novo assembly approaches of the entire genome, such as those used for constructing reference genomes, are complicated in higher plants. Moreover, in the autotetraploid potato, the heterozygous regions and repetitive structures located around disease resistance gene clusters fragment the genomes into short contigs, making it challenging to identify resistance genes. In this study, we report that a de novo assembly approach of a target gene-specific homozygous dihaploid developed through haploid induction was suitable for gene isolation in potatoes using the potato virus Y resistance gene Rychc as a model. The assembled contig containing Rychc-linked markers was 3.3 Mb in length and could be joined with gene location information from the fine mapping analysis. Rychc was successfully identified in a repeated island located on the distal end of the long arm of chromosome 9 as a Toll/interleukin-1 receptor-nucleotide-binding site-leucine rich repeat (TIR-NBS-LRR) type resistance gene. This approach will be practical for other gene isolation projects in potatoes
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Rychc
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| 650 |
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4 |
|a de novo assembly
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| 650 |
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4 |
|a gene isolation
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| 650 |
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4 |
|a polyploidy
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| 650 |
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4 |
|a resistance gene
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| 650 |
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4 |
|a third-generation sequencing
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| 700 |
1 |
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|a Asano, Kenji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Suzuki, Chika
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shimosaka, Etsuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tamiya, Seiji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Suzuki, Takako
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takeuchi, Toru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ohki, Takehiro
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Breeding science
|d 1998
|g 73(2023), 2 vom: 30. Apr., Seite 168-179
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnas
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| 773 |
1 |
8 |
|g volume:73
|g year:2023
|g number:2
|g day:30
|g month:04
|g pages:168-179
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| 856 |
4 |
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|u http://dx.doi.org/10.1270/jsbbs.22078
|3 Volltext
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|d 73
|j 2023
|e 2
|b 30
|c 04
|h 168-179
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