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20240925232256.0 |
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240501s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-01-24-0118-RE
|2 doi
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|a pubmed24n1548.xml
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|a (DE-627)NLM371763479
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|a (NLM)38687570
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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 Wang, Xiaoqing
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Pathogenic and Comparative Genomic Analysis of Ralstonia pseudosolanacearum Isolated from Casuarina
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| 264 |
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|c 2024
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| 336 |
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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 Completed 24.09.2024
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|a Date Revised 24.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Casuarina equisetifolia is crucial in protecting coastal regions of China against typhoon attacks but has faced a substantial challenge due to wilt disease caused by pathogens of the Ralstonia solanacearum species complex (RSSC). Although the initial outbreak of Casuarina wilt in the 1970s was effectively controlled by disease-resistant C. equisetifolia varieties, the disease has recently re-emerged in coastal regions of Guangdong. In this study, we report the isolation, characterization, and comparative genomic analysis of 11 RSSC strains from diseased C. equisetifolia at various locations along the coast of Guangdong. Phylogenomic analysis showed that the strains were closely related and clustered with phylotype I strains previously isolated from peanuts. Single-gene-based analysis further suggested these strains could be derived from strains present in Guangdong since the 1980s, indicating a historical context to their current pathogenicity. Casuarina-isolated strains exhibited notably higher virulence against C. equisetifolia and peanuts than the representative RSSC strains GMI1000 and EP1, suggesting host-specific adaptations that possibly contributed to the recent outbreak. Comparative genomic analysis among RSSC strains revealed a largely conserved genome structure and high levels of conservation in gene clusters encoding extracellular polysaccharide biosynthesis, secretion systems, and quorum sensing regulatory systems. However, we also found a number of unique genes in the Casuarina-isolated strains that were absent in GMI1000 and EP1, and vice versa, pointing to potential genetic factors underpinning their differential virulence. These unique genes offer promising targets for future functional studies. Overall, our findings provide crucial insights into the RSSC pathogens causing Casuarina wilt in Guangdong, guiding future efforts in disease control and prevention
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4 |
|a Journal Article
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4 |
|a Casuarina equisetifolia
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| 650 |
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4 |
|a Ralstonia pseudosolanacearum
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| 650 |
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4 |
|a bacterial wilt
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| 650 |
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4 |
|a comparative genomic
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| 650 |
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4 |
|a differential virulence
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| 650 |
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4 |
|a genetic variation
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| 700 |
1 |
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|a Li, Chuhao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Shaohua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Huagui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yonglin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xuemei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Liangzhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Jianhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, LianHui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xiaofan
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 9 vom: 23. Sept., Seite 2809-2819
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:108
|g year:2024
|g number:9
|g day:23
|g month:09
|g pages:2809-2819
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-01-24-0118-RE
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