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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.22001
|2 doi
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|a pubmed24n1164.xml
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|a (NLM)36408317
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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 Arai, Masao
|e verfasserin
|4 aut
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| 245 |
1 |
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|a The origin and distribution of 'Kokubu'-type splice-site mutations of the MLO genes in tobacco varieties
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|c 2022
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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 Revised 22.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2022 by JAPANESE SOCIETY OF BREEDING.
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|a The Japanese domestic tobacco (Nicotiana tabacum L.) cultivar 'Kokubu' shows high powdery mildew resistance that is controlled by splice-site mutations of two MILDEW LOCUS O genes, NtMLO1 and NtMLO2. We investigated the existence of the same NtMLO1/2 splice mutations in the genomes of various tobacco varieties cultivated in Japan and other countries. In total, 14 Japanese domestic cultivars, which were mainly distributed in Kagoshima, had splice-site mutations in both NtMLO1 and NtMLO2. In addition, tobacco cultivars containing only the NtMLO1 splice-site mutation were found in various tobacco production areas in Japan, but no cultivars with only the NtMLO2 splice-site mutation were detected. Moreover, the NtMLO1 splice-site mutation was detected in native Asian, Oriental and cigar tobacco varieties. Consequently, we speculate that these powdery mildew-resistant tobacco cultivars were generated relative recently in the Kagoshima area when a spontaneous mutation occurred at the NtMLO2 splice site in a cultivar already containing the NtMLO1 splice-site mutation and that the NtMLO1 splice-site mutation occurred during the early period of tobacco seed dissemination from the Americas to Asia and Japan
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|a Journal Article
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|a Japanese domestic tobacco
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| 650 |
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4 |
|a MILDEW LOCUS O
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| 650 |
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4 |
|a cultivar ‘Kokubu’
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| 650 |
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4 |
|a leaf shape
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| 650 |
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4 |
|a powdery mildew resistance
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| 650 |
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4 |
|a splice-site mutations
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| 700 |
1 |
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|a Komatsu, Tomoyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Udagawa, Hisashi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tajima, Tomoyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sato, Seiki
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Breeding science
|d 1998
|g 72(2022), 3 vom: Juni, Seite 248-256
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnns
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| 773 |
1 |
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|g volume:72
|g year:2022
|g number:3
|g month:06
|g pages:248-256
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| 856 |
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|u http://dx.doi.org/10.1270/jsbbs.22001
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|d 72
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|h 248-256
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