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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-08-19-1722-RE
|2 doi
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|a pubmed24n1019.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zhou, Feng
|e verfasserin
|4 aut
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| 245 |
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|a Biological Characteristics and Molecular Mechanism of Fludioxonil Resistance in Botrytis cinerea From Henan Province of China
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.04.2020
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|a Date Revised 08.04.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The gray mold caused by Botrytis cinerea has a significant impact on tomato production throughout the world. Although the synthetic fungicide fludioxonil can effectively control B. cinerea, there have been several reports of resistance to this fungicide. This study indicated that all of the fludioxonil-resistant strains tested, including one field-resistant isolate and four laboratory strains, had reduced fitness relative to sensitive isolates. In addition to having reduced growth, sporulation, and pathogenicity, the resistant strains were more sensitive to osmotic stress and had significantly (P < 0.05) higher peroxidase activity. BOs1, a kinase in the high-osmolarity glycerol stress response signal transduction pathway, is believed to harbor mutations related to fludioxonil resistance. Sequence analysis of their BOs1 sequences indicated that the fludioxonil-resistant field isolate, XXtom1806, had four point mutations resulting in four amino acid changes (I365S, S531G, T565N, and T1267A) and three amino acids (I365S, S531G, and T565N) in the histidine kinases, adenylyl cyclases, methyl-accepting chemotaxis receptors, and phosphatases domain, which associated with fludioxonil binding. Similarly, two of the laboratory strains, XXtom-Lab1 and XXtom-Lab4, had three (Q846S, I1126S, and G415D) and two (P1051S and V1241M) point mutations, respectively. A third strain, XXtom-lab3, had a 52-bp insertion that included a stop codon at amino acid 256. Interestingly, the BOs1 sequence of the fourth laboratory strain, XXtom-lab5, was identical to those of the sensitive isolates, indicating that an alternative resistance mechanism exists. The study also found evidence of positive cross-resistance between fludioxonil and the dicarboximide fungicides procymidone and iprodione, but no cross-resistance was detected with any other fungicides tested, including boscalid, carbendazim, tebuconazole, and fluazinam
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|a Journal Article
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|a Botrytis cinerea
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|a biological characteristics
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|a cross-resistance
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|a fludioxonil
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|a resistance mechanism
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|a Dioxoles
|2 NLM
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|a Fungal Proteins
|2 NLM
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| 650 |
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|a Pyrroles
|2 NLM
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| 650 |
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|a fludioxonil
|2 NLM
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| 650 |
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7 |
|a ENS9J0YM16
|2 NLM
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| 700 |
1 |
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|a Hu, Hai-Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Yu-Lu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Yu-Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Qi-Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Pu-Wen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Er-Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Yong-Ang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Dong-Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Cheng-Wei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 104(2020), 4 vom: 01. Apr., Seite 1041-1047
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:104
|g year:2020
|g number:4
|g day:01
|g month:04
|g pages:1041-1047
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-08-19-1722-RE
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