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Abstract

Background: Serratia marcescens becomes an apparent nosocomial pathogen and causes a variety of infections. S. marcescens possess various virulence factors that are regulated by intercellular communication system quorum sensing (QS). Targeting bacterial virulence is a proposed strategy to overcome...

Author(s)
Hegazy, W. A. H.; Khayat, M. T.; Ibrahim, T. S.; Youns, M.; Mosbah, R.; Soliman, W. E.
Publisher
Springer International Publishing AG, Cham, Switzerland
Citation
Brazilian Journal of Microbiology, 2021, 52, 2, pp 627-638
Abstract

The hypothesis that host adaptation in virulent Newcastle disease viruses (NDV) has been accompanied by virulence modulation is reviewed here. Historical records, experimental data, and phylogenetic analyses from available GenBank sequences suggest that currently circulating NDVs emerged in the...

Author(s)
Afonso, C. L.
Publisher
MDPI AG, Basel, Switzerland
Citation
Viruses, 2021, 13, 1,
Abstract

Migratory birds are carriers of multidrug resistant pathogenic Escherichia coli. However, their roles in the dissemination of these resistant pathogens are still being neglected in Bangladesh. The present study was therefore carried out to detect multidrug resistant E. coli. In addition, these...

Author(s)
Islam, M. S.; Nayeem, M. M. H.; Sobur, M. A.; Samina Ievy; Islam, M. A.; Rahman, S.; Kafi, M. A.; Ashour, H. M.; Rahman, M. T.
Publisher
MDPI AG, Basel, Switzerland
Citation
Antibiotics, 2021, 10, 2,
Abstract

The Tembusu virus (TMUV) PS strain, derived by several passages and plaque purifications in BHK-21 cells, displays markedly lower virulence in Pekin ducklings relative to a natural isolate of TMUV, but the potential virulence determinants and the in vivo mechanisms for substantial virulence...

Author(s)
Yang LiXin; Liang Te; Lv JunFeng; Qu ShengHua; Meng RunZe; Yang BaoLin; Feng ChongLun; Dai WeiQian; Wang XiaoYan; Zhang Bing; Zhang DaBing
Publisher
American Society for Microbiology (ASM), Washington, D.C., USA
Citation
Journal of Virology, 2021, 95, 6,
Abstract

Aeromonas veronii is an important zoonotic and aquatic agent. More and more cases have shown that it has caused huge economic losses in the aquaculture industry in addition to threatening human health. But the reasons for the increasing virulence of A. veronii are still unclear. In order to further ...

Author(s)
Yang BinTong; Chen Chong; Sun YuFeng; Cao LinAn; Zhang DongXing; Sun Wuwen; Zhang Lei; Wang GuiQin; Shan XiaoFeng; Kang YuanHuan; Qian AiDong
Publisher
Wiley, Oxford, UK
Citation
Journal of Fish Diseases, 2021, 44, 1, pp 11-24
Abstract

Viral hemorrhagic septicemia virus (VHSV) is a rhabdovirus that causes high mortality in cultured flounder. Naturally occurring VHSV strains vary greatly in virulence. Until now, little has been known about genetic alterations that affect the virulence of VHSV in flounder. We recently reported the...

Author(s)
Hwang JeeYoun; Lee UnnHwa; Heo MinJin; Kim MinSun; Jeong JiMin; Kim SoYeon; Kwon MunGyeong; Jee BoYoung; Kim KiHong; Park ChanIl; Park JeongWoo
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS Pathogens, 2021, 17, 1,
Abstract

Streptococcus agalactiae is the main pathogen of tilapia, causing huge economic losses to the tilapia aquaculture industry in China. To elucidate the role of the EII complexes of the cellobiose-phosphotransferase system (cel-PTS) in the regulation of S. agalactiae virulence, the Δcel-EII mutants of ...

Author(s)
Xie YunDan; Wang BaoTun; Feng JuAn; Li Wei; Jiang Biao; Liu Chun; Huang YanHua; Su YouLu
Publisher
Elsevier Ltd, Oxford, UK
Citation
Aquaculture, 2021, 535,
Abstract

Pasteurella multocida capsular type A can cause a pulmonary infection, leading to serious pecuniary losses in cattle. The heterogeneity of infection outcome of P. multocida strains showing different virulence may be related to divergent expression of virulence genes. In this study, we compared the...

Author(s)
Cheng Yan; Wang KaiCheng; Lin LiShan; Zhao XingKai; Pan ZiHao; Zhou ZhenLei
Publisher
Elsevier Ltd, Oxford, UK
Citation
Microbial Pathogenesis, 2020, 140,
Abstract

Background: The objective of this study was to evaluate the virulence of P. aeruginosa ventilator-associated pneumonia (VAP) strains (cases) in terms of biofilm production and other phenotypic and genotypic virulence factors compared to P. aeruginosa strains isolated from other infections...

Author(s)
Alonso, B.; Fernández-Barat, L.; Domenico, E. G. di; Marín, M.; Cercenado, E.; Merino, I.; Pablos, M. de; Muñoz, P.; Guembe, M.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Infectious Diseases, 2020, 20, 909,
Abstract

In this study, we compared the virulence of the most prevalent Haemophilus parasuis (36 strains) serovars 4, 5, 12, and 13 in China in BALB/c mice and piglets models. The results of mice virulence tests showed that the LD50values of the four serotype strains were 9.80×107-4.60×109CFU (serovar...

Author(s)
Li FeiYue; Chen KunPeng; Ding WenWen; Xue Yun; Wang Chen; Si LiFang; Zhao ZhanQin
Publisher
Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Citation
Acta Veterinaria et Zootechnica Sinica, 2020, 51, 6, pp 1408-1418

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