Virulence determinants
Anatomical site-specific contributions of pneumococcal virulence determinants
... pneumococcal virulence determinants, one that is only in part mediated by phase ...modulate virulence gene expression and are less invasive than their planktonic counterparts ...
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Identification of Virulence Determinants within the L Genomic Segment of the Pichinde Arenavirus
... of virulence, it is important to note that the pathogenic nature of arenavirus VHFs may involve other ...viral virulence determinants may also be lo- calized to the GPC and NP genes present on the S ...
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Differential Expression and Roles of Staphylococcus aureus Virulence Determinants during Colonization and Disease
... Different virulence factors are required for ...study, virulence gene expression was analyzed in two ...aureus virulence determinants, representing protein and carbohydrate adhesins, secreted ...
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Virulence determinants of pandemic influenza viruses
... virus virulence determinants may provide insight into genotypic signatures of pathogenicity as well as a more thorough understanding of the factors that give rise to ...
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Hidden Virulence Determinants in a Viral Quasispecies In Vivo
... of virulence determinants of pathogenic agents is of utmost relevance for the design of disease control ...of virulence determinants have been characterized for viral populations: those ...
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Development of a Multiplex PCR for the Detection of asa1, gelE, cylA, esp, and hyl Genes in Enterococci and Survey for Virulence Determinants among European Hospital Isolates of Enterococcus faecium
... PFGE typing, susceptibility testing, and the presence of virulence determinants. PFGE groups were defined as de- scribed previously (40). A dendrogram is shown in Fig. 2. PFGE revealed the spread of two ...
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Mapping Murine Corneal Neovascularization and Weight Loss Virulence Determinants in the Herpes Simplex Virus 1 Genome and the Detection of an Epistatic Interaction between the UL and IRS/US Regions
... HSV-1 virulence linkage studies have typically focused on identi- fying rat or mouse host genes affecting virulence severity (12, 25, 36, 37, 56); however, we recently developed a quantitative trait locus ...
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Genotypic and phenotypic characterization of Escherichia coli isolates from dogs manifesting attaching and effacing lesions
... Thirteen Escherichia coli isolates from dogs manifesting attaching and effacing lesions were characterized genetically with respect to the presence of the following virulence determinants associated with ...
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Live Imaging of Host Parasite Interactions in a Zebrafish Infection Model Reveals Cryptococcal Determinants of Virulence and Central Nervous System Invasion
... Several nonmammalian models of C. neoformans pathogenesis have been reported to allow the analysis of cryptococcal pathogen- esis through survival and cryptococcal growth assays in inverte- brates, namely, Caenorhabditis ...
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Molecular Characterization of Exotoxin Genes in Staphylococcus aureus Recovered From Hospitalized Patients
... In addition to the high pathogenicity of S. aureus, the pathogen is well identified for its capacity to acquire resistance to several antibiotics. In the early of 1960s, methicillin- resistant S. aureus (MRSA) strains ...
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Virulent Mycobacterium tuberculosis Strains Evade Apoptosis of Infected Alveolar Macrophages
... differing virulence and by Mycobacterium ...mycobacterial virulence determinants that modulate the apoptotic response of AM to intracellular infection and support the hypothesis that macrophage ...
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Sequence Polymorphism of the 16S rRNA Gene of Vibrio vulnificus Is a Possible Indicator of Strain Virulence
... Phenotypic characteristics, including cytolysin and cytotoxin titers (22) and utilization of transferrin-bound iron and pro- duction of phenolate siderophore (18), have been studied as a possible means of predicting ...
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Microbial Gimics: Strategies of Successful Pathogenicity by Staphylococcus aureus
... Transduction is the transfer of DNA from one cell to another through a bacteriophage (Fig. 1) During replication, the bacteriophage gets integrated into the chromosome and can be transferred to its daughter cells (Fig. ...
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Envelope Protein Glycosylation Status Influences Mouse Neuroinvasion Phenotype of Genetic Lineage 1 West Nile Virus Strains
... the virulence difference between strains NY99 and ETH76a in our mouse model and is therefore most probably a major determinant of the enhanced virulence of other E glycosylated lineage 1 WNV strains ...
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Complement Susceptibility in Relation to Genome Sequence of Recent Klebsiella pneumoniae Isolates from Thai Hospitals
... as determinants of C= resistance, but these studies employed gene transfer into C=-susceptible genetic backgrounds, leading to insertion into the OM bilayer of protein copy numbers ( ⬎ 20,000 molecules per cell) ...
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Epidemic and virulence characteristic of Shigella spp with extended spectrum cephalosporin resistance in Xiaoshan District, Hangzhou, China
... Discussion This investigation reported the prevalence and resistance of ESC-resistant Shigella, and the molecular analysis of cephalosporin resistance genes and virulence determinants in[r] ...
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Bacterial determinants of importance in the virulence of Gallibacterium anatis in poultry
... putative virulence factors permitting ...studied virulence determinants is a large RTX-like toxin (GtxA), which has been demonstrated to induce a strong leukotoxic effect on avian ...the ...
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The glycoprotein, non virion protein, and polymerase of viral hemorrhagic septicemia virus are not determinants of host specific virulence in rainbow trout
... In experiments 1 and 2, fish were sampled from each tank in the rVHSVmi series groups on day 7 post-challenge, to assess ability of these low virulence viruses to persist and replicate in rainbow trout. This was ...
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Molecular Determinants of Virulence, Cell Tropism, and Pathogenic Phenotype of Infectious Bursal Disease Virus
... Lack of a reverse-genetics system that can generate virulent IBDV has hampered studies of virulence, cell tropism, and pathogenesis. To overcome this limitation, we modified our transfection procedure and ...
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Identification of a single amino acid residue in the capsid protein VP1 of coxsackievirus B4 that determines the virulent phenotype.
... 4797 Downloaded from http://jvi.asm.org/ on November 9, 2019 by guest To identify the molecular determinants of virulence for coxsackievirus B4, a panel of recombinant, chimeric viruses [r] ...
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