نتایج جستجو برای: streptococcus iniae

تعداد نتایج: 41300  

Journal: :Journal of clinical microbiology 2005
A Gibello A I Mata M M Blanco A Casamayor L Domínguez José F Fernández-Garayzabal

Different genera and species of gram-positive, catalase-negative cocci are pathogenic to fish. The numbers of infections caused by these microorganisms have increased during the last decade, and such infections are responsible for significant economic losses in the fish farm industry (9). Identification of these bacteria can be difficult when using conventional microbiological criteria, and the...

2004

Different genera and species of gram-positive, catalase-negative cocci are pathogenic to fish. The numbers of infections caused by these microorganisms have increased during the last decade, and such infections are responsible for significant economic losses in the fish farm industry (9). Identification of these bacteria can be difficult when using conventional microbiological criteria, and the...

ژورنال: علمی شیلات ایران 2018

در این مطالعه تاثیر باکتری­ Lactobacillus جدا شده از دستگاه گوارش ماهی قزل آلا بر برخی از فراسنجه های رشد و همچنین مقاومت در برابر باکتری Streptococcus iniae مورد ارزیابی قرار گرفت.­ باکتری مذکور در قالب 3 تیمار (log 7, 8, 9) به جیره غذایی ماهی اضافه شد و تاثیر آن­ها به همراه تیمار شاهد بر شاخص­های رشد و بقاء در روزهای 30 و 60 مورد بررسی قرار گرفت. در مرحله پایانی، مقاومت ماهیان تیمار شده در بر...

2015
Jie Jiang Zonglin Zheng Kaiyu Wang Jun Wang Yang He Erlong Wang Defang Chen Ping Ouyang Yi Geng Xiaoli Huang Li Lin

Channel catfish (Ictalurus punctatus) is an important agricultural fish that has been plagued by Streptococcus iniae (S. iniae) infections in recent years, some of them severe. C5a peptidase is an important virulent factor of S. iniae. In this study, the subunit vaccine containing the truncated part of C5a peptidase (pSCPI) was mixed with aluminum hydroxide gel (AH), propolis adjuvant (PA), and...

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Regarding the revealing side effect of chemical medications, such as antimicrobial resistance and etc, herbal medications have been considered as one of potential alternative to chemical one. The main purpose of this study was to evaluate the in vitro antibacterial effect of lavender ( Lavandula angustifolia) and ajwain ( Trachyspermum ammi) essential oil on two important rainbow trout bacteria...

Journal: :تحقیقات دامپزشکی 0
مهدی سلطانی گروه بهداشت وبیماریهای آبزیان، دانشکده دامپزشکی دانشگاه تهران، تهران - ایران اسماعیل پیرعلی خیرآبادی گروه بهداشت وبیماریهای آبزیان، دانشکده دامپزشکی دانشگاه تهران، تهران - ایران حسینعلی ابراهیم زاده موسوی گروه بهداشت وبیماریهای آبزیان، دانشکده دامپزشکی دانشگاه تهران، تهران - ایران سعید میرزرگر گروه بهداشت وبیماریهای آبزیان، دانشکده دامپزشکی دانشگاه تهران، تهران - ایران سمیرا محمدیان گروه بهداشت وبیماریهای آبزیان، دانشکده دامپزشکی دانشگاه تهران، تهران - ایران پرویز شایان گروه انگل، دانشکده دامپزشکی دانشگاه تهران، تهران - ایران

background: strepotococcosis caused by streptococcus iniae is one of the important emerging bacterial diseases in aquaculture sector worldwide. objectives: in this study, the genetic diversity of s. iniae strains was assessed in some rainbow trout farms in iran. methods: gram positive and catalase negative bacterial isolates were first obtained from 100 trout fish farms in 8 states using routin...

Journal: :Cell host & microbe 2008
Annelies S Zinkernagel Anjuli M Timmer Morgan A Pence Jeffrey B Locke John T Buchanan Claire E Turner Inbal Mishalian Shiranee Sriskandan Emanuel Hanski Victor Nizet

Interleukin-8 (IL-8) promotes neutrophil-mediated host defense through its chemoattractant and immunostimulatory activities. The Group A Streptococcus (GAS) protease SpyCEP (also called ScpC) cleaves IL-8, and SpyCEP expression is strongly upregulated in vivo in the M1T1 GAS strains associated with life-threatening systemic disease including necrotizing fasciitis. Coupling allelic replacement w...

2005
J. J. Evans P. H. Klesius C. A. Shoemaker

Streptococcus iniae is one of the few Gram positive streptococcal species capable of hydrolyzing starch. The starch hydrolysis test is essential for its identification. The biochemical reaction for starch in multi-test systems (API 20 Strep and API CH 50) is starch acidification, not starch hydrolysis. Furthermore, API systems do not contain S. iniae in their databases, yet fish disease researc...

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