Results 111 to 120 of about 5,740 (145)

Co-infections of Aeromonas veronii and Nocardia seriolae in largemouth bass (Micropterus salmoides)

Microbial Pathogenesis, 2022
Largemouth bass (Micropterus salmoides) is an important commercial fish species that is widely cultured throughout China. With the application of high-density culture, M. salmoides is usually infected by different pathogens in water. Particularly, co-infection with multiple pathogens was common, which has considerably outweighed the impact caused by ...
Hongsen, Xu, Ruiping, Xu, Xiaoni, Wang, Qianrong, Liang, Lin, Zhang, Jun, Liu, Jin, Wei, Yulan, Lu, Denghang, Yu   +8 more
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Development of TaqMan quantitative PCR assay for detection of Nocardia seriolae in fish and the environment

Journal of Microbiological Methods, 2023
Nocardia seriolae is a gram-positive bacterium that causes nocardiosis, threatening fish farming. Advanced nocardiosis is challenging to control; thus, accurate detection methods of the causal agent in the early disease stage are required. In this study, we developed a TaqMan fluorescence quantitative PCR (qPCR) assay for quantitative detection of N ...
Yanxin, Sun, Caiyi, Wen, Zhuang, Ma, Weimin, Huang, Chun, Liu, Wei, Li, Shu, Tang, Huajian, Lin, Biao, Jiang, Youlu, Su   +9 more
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Characterization and function study of a glutamyl endopeptidase homolog from Nocardia seriolae

Journal of Fish Diseases, 2020
AbstractGlutamic endopeptidases (Glu), belonging to the class of serine proteases, are a subfamily of chymotrypsin‐like proteolytic enzymes, which are regarded as important virulence factors in bacteria. However, the roles of glutamic endopeptidases of Nocardia seriolae in pathogenic process still remain uncertain.
Wenji Wang, Suying Hou, Guoquan Chen, Liqun Xia, Jianlin Chen, Zhiwen Wang, Yishan Lu   +6 more
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Nocardia seriolae infection in cultured jade perch, Scortum barcoo

Aquaculture International, 2017
Nocardiosis is a chronic infectious disease that afflicts multiple fish species and poses a growing threat to the aquaculture. In this study, Nocardia sp. infection was identified in jade perch, Scortum barcoo, from a pond culture in Guangzhou, China.
Fang Wang, Xuguang Wang, Chun Liu, Ouqin Chang, Yongyong Feng, Lang Jiang, Kaibin Li   +6 more
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Nocardia seriolae sp. nov. Causing Nocardiosis of Cultured Fish

International Journal of Systematic Bacteriology, 1988
Five strains of bacteria causing nocardiosis in cultured fishes (yellowtails [Seriola quinqueradiata] and Japanese flounder [Paralichthys olivaceus]) were studied to establish their taxonomic status. Well-developed fragmenting vegetative mycelium was observed. The chemotype was type IVA containing meso-diaminopimelic acid, arabinose, and galactose. The
T. Kudo, K. Hatai, A. Seino
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Induction of attenuated Nocardia seriolae and their use as live vaccine trials against fish nocardiosis

Fish & Shellfish Immunology, 2022
Nocardia seriolae, a Gram-positive facultative intercellular pathogen, has been identified as the causative agent of fish nocardiosis, causing substantial mortality and morbidity of a wide range of fish species. Looking into that fact, the effective vaccine against this pathogen is urgently needed to control the significant losses in aquaculture ...
Bei, Li, Jianlin, Chen, Pujiang, Huang, Tingting, Weng, Yiming, Wen, Huiyuan, Yang, Yansheng, Liu, Liqun, Xia   +7 more
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Nocardia seriolae infection in the cultured eel Anguilla japonica in Korea

Journal of Fish Diseases, 2018
AbstractMass mortality occurred at an Anguilla japonica eel farm equipped with a recirculating aquaculture system in Gimcheon, Korea, from late spring to early summer 2015. The cumulative 3‐month mortality was 16% (approximately 24,300–150,000 fish). The majority of affected fish displayed ulcerative lesions that progressed to petechial haemorrhages ...
Jin Do Kim, Nam‐Sil Lee, Jeung Wan Do, Myoung Sug Kim, Han Gill Seo, Miyoung Cho, Sung Hee Jung, Hyun‐Ja Han   +7 more
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Nocardia seriolae cell wall lipids: An effective protective mechanism in resistance and virulence

Journal of Fish Diseases, 2023
AbstractPiscine nocardiosis, caused by Nocardia seriolae, is a refractory granulomatous disease in South‐East Asian aquaculture. This study investigates the virulence of nocardial lipids essential for pathogenesis among Actinomycetes. Petroleum ether (PE) was used to selectively delipidate two groups of N.
Sandra Celenia Nazareth, Shreesha Rao, Li‐Wu Cheng, Pei‐Chi Wang, Shih‐Chu Chen   +4 more
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Genetic and phenotypic comparison of Nocardia seriolae isolated from fish in Japan

Journal of Fish Diseases, 2008
AbstractThe phenotypic and genetic characterizations of 58 isolates of the fish pathogen Nocardia seriolae, from amberjack, Seriolae dumerili, yellowtail, Seriola quinqueradiata, Japanese flounder, Paralichthys olivaceus, and chub mackerel, Scomber japonicus, in Japan from 1970–2005, were examined to investigate the epidemiological relationship between
Y, Shimahara, A, Nakamura, R, Nomoto, T, Itami, S-C, Chen, T, Yoshida   +5 more
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Genotypic and phenotypic analysis of fish pathogen, Nocardia seriolae, isolated in Taiwan

Aquaculture, 2009
Abstract The phenotypic and genetic characterizations of 92 isolates of fish pathogen Nocardia seriolae from grey mullet ( Mugil cephalus ), striped bass ( Morone saxatilis ), crimson snapper ( Lutjanus erythropterus ), sea bass ( Lateolabrax japonicus ), largemouth bass ( Micropterus salmoides ), grouper ( Epinephelus spp.), jarbua terapon ...
Yoshiko Shimahara, Yun-Fen Huang, Ming-An Tsai, Pei-Chi Wang, Terutoyo Yoshida, Jian-Lin Lee, Shih-Chu Chen   +6 more
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