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241002s2024 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.23060
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Yamakawa, Hiromoto
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Polyploid QTL-seq revealed multiple QTLs controlling steamed tuber texture and starch gelatinization temperature in sweetpotato
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 02.10.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2024 by JAPANESE SOCIETY OF BREEDING.
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|a Sweetpotato (Ipomoea batatas) includes diverse cultivars with flesh textures ranging from dry to moist. Moist-fleshed cultivars often contain starch with a lower gelatinization temperature (GT). To elucidate the genetic determinants of flesh texture and starch GT, we conducted a QTL analysis using F1 progenies obtained from a cross between dry-fleshed and moist-fleshed cultivars, 'Benikomachi' (BK) and 'Amahazuki' (AH), by using an updated polyploid QTL-seq pipeline. Flesh texture was assessed based on the wet area ratio (WAR) observed on the cut surface of steamed tubers, as progenies with dry and moist flesh exhibited low and high WAR values, respectively, demonstrating a strong correlation. Three QTLs were found to regulate the WAR. Notably, two AH-derived alleles at 4.30 Mb on Itr_chr05 and 21.01 Mb on Itr_chr07, along with a BK-derived allele at 2.89 Mb on Itr_chr15, were associated with increased WAR. Starch GT, which displayed no correlation with either flesh texture or WAR, was distinctly influenced by two QTLs: a GT-increasing BK-derived allele at 1.74 Mb on Itr_chr05 and a GT-decreasing AH-derived allele at 30.16 Mb on Itr_chr12. Consequently, we developed DNA markers linked to WAR, offering a promising avenue for the targeted breeding of sweetpotato with the desired flesh textures
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|a Journal Article
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|a DNA marker
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|a QTL-seq
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|a flesh texture
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|a polyploid
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| 650 |
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|a sweetpotato
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| 700 |
1 |
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|a Mizubayashi, Tatsumi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tanaka, Masaru
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Breeding science
|d 1998
|g 74(2024), 2 vom: 01. Apr., Seite 103-113
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnns
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| 773 |
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|g volume:74
|g year:2024
|g number:2
|g day:01
|g month:04
|g pages:103-113
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|u http://dx.doi.org/10.1270/jsbbs.23060
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|d 74
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