Molecular correlates of vaccine-induced protection against typhoid fever

H Zhu, I Chelysheva, DL Cross… - The Journal of …, 2023 - Am Soc Clin Investig
BACKGROUND Typhoid fever is caused by the Gram-negative bacterium Salmonella
enterica serovar Typhi and poses a substantial public health burden worldwide. Vaccines …

Single missense mutations in Vi capsule synthesis genes confer hypervirulence to Salmonella Typhi

GY Lee, J Song - Nature Communications, 2024 - nature.com
Many bacterial pathogens, including the human exclusive pathogen Salmonella Typhi,
express capsular polysaccharides as a crucial virulence factor. Here, through S. Typhi whole …

Vi polysaccharide and conjugated vaccines afford similar early, IgM or IgG-independent control of infection but boosting with conjugated Vi vaccines sustains the …

SE Jossi, M Arcuri, A Alshayea, RR Persaud… - Frontiers in …, 2023 - frontiersin.org
Introduction Vaccination with Vi capsular polysaccharide (Vi-PS) or protein-Vi typhoid
conjugate vaccine (TCV) can protect adults against Salmonella Typhi infections. TCVs offer …

Protection Induced by Oral Vaccination with a Recombinant Yersinia pseudotuberculosis Delivering Yersinia pestis LcrV and F1 Antigens in Mice and Rats against …

S Majumder, RM Olson, A Singh, X Wang… - Infection and …, 2022 - Am Soc Microbiol
ABSTRACT A newly attenuated Yersinia pseudotuberculosis strain (designated Yptb1) with
triple mutation Δ asd Δ yopK Δ yopJ and chromosomal insertion of the Y. pestis caf1R-caf1M …

A tool for evaluating heterogeneity in avidity of polyclonal antibodies

K Li, M Dodds, RL Spreng, M Abraha… - Frontiers in …, 2023 - frontiersin.org
Diversity in specificity of polyclonal antibody (pAb) responses is extensively investigated in
vaccine efficacy or immunological evaluations, but the heterogeneity in antibody avidity is …

Functional activities of O-polysaccharide and hemolysin coregulated protein 1 specific antibodies isolated from melioidosis patients

A Pumpuang, S Paksanont, MN Burtnick… - Infection and …, 2022 - Am Soc Microbiol
Melioidosis is a fatal tropical disease caused by the environmental Gram-negative
bacterium, Burkholderia pseudomallei. This bacterium is intrinsically resistant to several …

The Whole-Genome Sequencing and Probiotic Profiling of Lactobacillus reuteri Strain TPC32 Isolated from Tibetan Pig

Q Kong, Z Shang, S Nawaz, S Liu, J Li - Nutrients, 2024 - mdpi.com
Gut microbiota are the microbial organisms that play a pivotal role in intestinal health and
during disease conditions. Keeping in view the characteristic functions of gut microbiota, in …

[PDF][PDF] Vi polysaccharide and conjugated vaccines afford similar early, IgM or IgG-independent control of infection but boosting with conjugated Vi vaccines sustains …

J Andreas, LH Jackson-Jones, K Toellner… - 2023 - pure-oai.bham.ac.uk
Methods and results: Here, we immunized wild-type (WT) mice and mice deficient in IgG or
IgM with Vi-PS or TCVs (Vi conjugated to tetanus toxoid or CRM197) for up to seven months …

Functional Classes of Naturally Occurring Human Antibodies Developed Against Gram-Negative Bacterial Pathogens

BD Fowler - 2022 - search.proquest.com
Gram-negative bacteria are frequently opportunistic pathogens that cause significant
morbidity and mortality in humans. Escherichia coli and Klebsiella pneumoniae are two …