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|a 10.1111/jfd.13987
|2 doi
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|a pubmed24n1571.xml
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|e rakwb
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|a eng
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|a Weawsawang, Warisara
|e verfasserin
|4 aut
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|a Characterization of Photobacterium damselae subsp. damselae isolated from diseased Asian seabass (Lates calcarifer) and the preliminary development of a formalin-killed cell vaccine
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|c 2024
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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
|b cr
|2 rdacarrier
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|a Date Completed 17.10.2024
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|a Date Revised 17.10.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 John Wiley & Sons Ltd.
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|a Asian seabass (Lates calcarifer) is an economically important fish species that is widely cultivated in Thailand. However, aquaculture of Asian seabass is limited by infectious diseases. One of the most serious diseases is photobacteriosis, caused by Photobacterium damselae. Vaccination is recognized as an efficient disease prevention and pathogen control method for strengthening the aquaculture industry. To promote vaccine development, the characterization of pathogenic bacteria and their pathogenesis is required. In this study, isolates of P. damselae were obtained from commercial aquaculture farms in Thailand during 2019-2021. Analyses of 16S rRNA and the urease subunit alpha genes identified the isolates as P. damselae subsp. damselae (Phdd). Antibiotic susceptibility analyses showed that all Phdd isolates were resistant to amoxicillin (10 μg). Haemolysis and phospholipase activities were used to categorize P. damselae into three groups based on their biological activities. The pathogenicity of four candidates (SK136, PD001, PD002 and T11L) was tested in Asian seabass. Isolate SK136 showed the highest virulence, with a lethal dose (LD50) of 1.47 × 105 CFU/fish, whereas isolate PD001 did not show any virulence. Genotypic characterization, based on multi-locus sequence typing analysis, demonstrated that all candidates were novel strains with new sequence types (64, 65, 66 and 67). Preliminary vaccination using formalin-killed cells (FKCs) protected Asian seabass from artificial challenges. Taken together, these results provide fundamental knowledge for vaccine development against Phdd infection in Asian seabass
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|a Journal Article
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|a Phdd
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| 650 |
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|a Photobacterium damselae subsp. damselae
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| 650 |
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4 |
|a Asian seabass
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| 650 |
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4 |
|a formalin‐killed cell (FKC) vaccine
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| 650 |
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4 |
|a photobacteriosis
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| 650 |
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|a Bacterial Vaccines
|2 NLM
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| 650 |
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|a Vaccines, Inactivated
|2 NLM
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| 650 |
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|a RNA, Ribosomal, 16S
|2 NLM
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| 650 |
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7 |
|a Formaldehyde
|2 NLM
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| 650 |
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7 |
|a 1HG84L3525
|2 NLM
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| 700 |
1 |
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|a Homsombat, Theeyathart
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nuanmanee, Saransiri
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Saleetid, Nattakan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thawonsuwan, Jumroensri
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pumchan, Ansaya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hirono, Ikuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kondo, Hidehiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Unajak, Sasimanas
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of fish diseases
|d 1998
|g 47(2024), 10 vom: 19. Okt., Seite e13987
|w (DE-627)NLM098166034
|x 1365-2761
|7 nnns
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| 773 |
1 |
8 |
|g volume:47
|g year:2024
|g number:10
|g day:19
|g month:10
|g pages:e13987
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| 856 |
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|u http://dx.doi.org/10.1111/jfd.13987
|3 Volltext
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