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Virulent genes
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The last decade has seen an explosion in our understanding of how bacterial pathogens trick, cajole, usurp and parasitize their various hosts. This renaissance is due to the convergence of molecular and cellular techniques with the power of microbial genetics. The purpose of this volume is to introduce recent advances in understanding selected systems chosen from both plant and animal hosts of bacterial pathogens.
347p
vimeyers
29-05-2024
4
2
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Klebsiella pneumoniae is a recognised agent of multidrug-resistant (MDR) healthcare-associated infections; however, individual strains vary in their virulence potential due to the presence of mobile accessory genes.
15p
vibransone
28-03-2024
3
2
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Klebsiella pneumoniae, as a global priority pathogen, is well known for its capability of acquiring mobile genetic elements that carry resistance and/or virulence genes. Its virulence plasmid, previously deemed nonconjugative and restricted within hypervirulent K. pneumoniae (hvKP), has disseminated into classic K. pneumoniae (cKP), particularly carbapenem-resistant K. pneumoniae (CRKP).
15p
vibransone
28-03-2024
4
2
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Klebsiella pneumoniae is a notorious clinical pathogen and frequently carries various plasmids, which are the main carriers of antimicrobial resistance and virulence genes. In comparison to self-transmissible conjugative plasmids, mobilizable plasmids have received much less attention due to their defects in conjugative elements.
14p
vicwell
29-02-2024
4
2
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Aeromonas spp. uses T3SS to secrete and transport effector proteins to the host cells. These proteins play a major role in bacteria virulence by interfering with the signaling cascades and disrupting the cytoskeleton structure of the host cell.
6p
vicaptainmarvel
21-04-2023
8
2
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Outcome of Mycobacterium tuberculosis (Mtb) infection is affected by virulence of the infecting strain of Mtb, host environment, co-morbidities, and the genetic composition of the host, specifically the presence or absence of genes involved in immune responses/regulation.
7p
vinarcissa
21-03-2023
2
1
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Iron is a crucial element for bacterial survival and virulence. During Salmonella infection, the host utilizes a variety of mechanisms to starve the pathogen from iron. However, Salmonella activates distinctive defense mechanisms to acquire iron and survive in iron-restricted host environments.
14p
vihagrid
30-01-2023
7
3
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(BQ) Ebook Genes and proteins underlying microbial urinary tract virulence: Basic aspects and applications – Part 1 presents the following content: Session I genetic information, synthesis, assembly, and activation processes in virulence mechanisms; session II regulation and expression of virulence genes.
197p
runordie7
30-08-2022
8
3
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(BQ) Ebook Genes and proteins underlying microbial urinary tract virulence: Basic aspects and applications – Part 2 presents the following content: Session iii host-parasite interactions; session iv applications: diagnosis, therapy and prevention.
186p
runordie7
30-08-2022
6
3
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The aim of this study was to investigate the association among biofilm formation, virulence gene expression, and antibiotic resistance in P. mirabilis isolates collected from diarrhetic animals (n = 176) in northeast China between September 2014 and October 2016.
10p
vigandhi
23-02-2022
14
1
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Salmonella enterica serovar Enteritidis (S. Enteritidis) is one of the most common serovars, associated with human salmonellosis. The food-borne outbreak of this bacterium is mainly related to the consumption of contaminated poultry meat and poultry products, including eggs.
8p
vidarwin
23-02-2022
21
1
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Transmission of antimicrobial resistant and virulent Escherichia coli (E. coli) from animal to human has been considered as a public health concern. This study aimed to determine the phylogenetic background and prevalence of diarrheagenic E. coli and antimicrobial resistance in healthy riding-horses in Iran. In this research, the genes related to six main pathotypes of E. coli were screened.
9p
vidarwin
23-02-2022
12
1
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Swine dysentery (SD) is a diarrheal disease in fattening pigs that is caused by the strongly hemolytic species Brachyspira (B.) hyodysenteriae, B. hampsonii and B. suanatina. As weakly hemolytic Brachyspira spp. are considered less virulent or even non-pathogenic, the hemolysin is regarded as an important factor in the pathogenesis of SD.
13p
vigandhi
23-02-2022
12
1
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Little is known on the significance, diversity and characteristics of gut E. coli in goats despite their importance as food animals globally. We characterized the temporal dynamics in diversity of E. coli in faecal samples from a cohort of goat kids and adult meat goats on pasture over a one-year period.
15p
vigandhi
23-02-2022
8
1
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Salmonella is an important zoonotic pathogen, and chickens are one of its main hosts. Every year, Salmonella infections pose a serious threat to the poultry industry in developing countries, especially China. In this study, a total of 84 Salmonella isolates recovered from sick and healthy-looking chickens in central China were characterized by serotyping, MLST-based strain typing, presence of potential virulence factors, and antimicrobial resistance profiles.
9p
vidarwin
22-02-2022
13
1
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Bovine mastitis is an important cause of economic loss in dairy farms. Streptococcus uberis is among the most frequently isolated bacterial species isolated from cows with mastitis. The aim of this study was to perform an indepth genetic assessment of S. uberis strains isolated from bovine clinical mastitis (CM) and to perform a phylogenetic analysis to represent the evolutionary relationship among S. uberis sequences.
15p
vidarwin
22-02-2022
14
1
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The yellow potato cyst nematode, Globodera rostochiensis, is a devastating plant pathogen of global economic importance. This biotrophic parasite secretes effectors from pharyngeal glands, some of which were acquired by horizontal gene transfer, to manipulate host processes and promote parasitism.
23p
viaristotle
29-01-2022
5
0
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In response to 500 nM AHL, (C4-HSL treated) strain BN3 showed 27-fold up-regulation of srtA gene (encodes enzyme sortase) as compared to control. Our study confirmed the cross-talk between Gram-positive and Gram-negative bacteria since L. monocytogenes strain BN3 responds to C4-HSL, which is normally produced by Gram-negative bacteria.
3p
mudbound
10-12-2021
20
0
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This study was done to assess the occurrence of virulence factors and correlation of phylogenetic grouping in ESBLs producing E. coli isolates from Palestine. Twenty-seven ESBLs producing E. coli isolates were collected between April and June 2013 from three hospitals in Gaza. Detection of genes encoding virulence factors, pathogenicity associated island marker (PAI) and phylogenetic groups were studied by PCR. The correlation of E. coli phylogenetic grouping with the virulence factors in the isolates was studied.
6p
mudbound
10-12-2021
10
1
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The objective of this study was to investigate the beneficial, virulence, and antibiotic resistance-related genes in 10 well-characterized bacteriocinogenic LAB strains. The autoaggregation, co-aggregation, cell surface hydrophobicity, and bile salt tolerance were also evaluated to examine their potential as bacteriocinogenic probiotics and/or starter culture. Results showed that all tested strains showed abilities for auto-aggregation at 4oC and 37oC, co-aggregation with S. aureus JCM8704, S. typhimurium BIOTECH1826, and E. coli DH5α, and significant cell-surface hydrophobicity.
10p
mudbound
10-12-2021
10
1
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