ArticleBMC genomics2017
A comprehensive proteogenomic study of the human Brucella vaccine strain 104 M.
Article in BMC genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Genomic and Immunoinformatics Insights Into a Bovine-Derived Brucella abortus S19 Field Strain: Adaptations Impacting Vaccine Efficacy.Veterinary medicine and science · 2025Article
- De novo gene birth and the conundrum of ORFan genes in bacteria.Genome research · 2025Review
- Increased serum piwi-interacting RNAs as a novel potential diagnostic tool for brucellosis.Frontiers in cellular and infection microbiology · 2022Article
- Immunogenicity of glycine nanoparticles containing a chimeric antigen asClinical and experimental vaccine research · 2021Article
- Evaluation and Differential Diagnosis of a Genetic Marked Brucella Vaccine A19ΔvirB12 for Cattle.Frontiers in immunology · 2021Article
- Pan-Proteomic Analysis and Elucidation of Protein Abundance among the Closely RelatedBiomolecules · 2020Article
- Proteomics ofMicroorganisms · 2020Article
- Proteomics of Brucella.Proteomes · 2020Review
- Relative Quantitative Proteomic Analysis ofFrontiers in microbiology · 2017Article
Corrections and comments
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Authors and funding
13 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBrucella spp. are Gram-negative, facultative intracellular pathogens that cause brucellosis in both humans and animals. The B. abortus vaccine strain 104 M is the only vaccine available in China for the prevention of brucellosis in humans. Although the B. abortus 104 M genome has been fully sequenced, the current genome annotations are not yet complete. In addition, the main mechanisms underpinning its residual toxicity and vaccine-induced immune protection have yet to be elucidated. Mapping the proteome of B. abortus 104 M will help to improve genome annotation quality, thereby facilitating a greater understanding of its biology.
resultsIn this study, we utilized a proteogenomic approach that combined subcellular fractionation and peptide fractionation to perform a whole-proteome analysis and genome reannotation of B. abortus 104 M using high-resolution mass spectrometry. In total, 1,729 proteins (56.3% of 3,072) including 218 hypothetical proteins were identified using the culture conditions that were employed this study. The annotations of the B. abortus 104 M genome were also refined following identification and validation by reverse transcription-PCR. In addition, 14 pivotal virulence factors and 17 known protective antigens known to be involved in residual toxicity and immune protection were confirmed at the protein level following induction by the 104 M vaccine. Moreover, a further insight into the cell biology of multichromosomal bacteria was obtained following the elucidation of differences in protein expression levels between the small and large chromosomes.
conclusionsThe work presented in this report used a proteogenomic approach to perform whole-proteome analysis and genome reannotation in B. abortus 104 M; this work helped to improve genome annotation quality. Our analysis of virulence factors, protective antigens and other protein effectors provided the basis for further research to elucidate the mechanisms of residual toxicity and immune protection induced by the 104 M vaccine. Finally, the potential link between replication dynamics, gene function, and protein expression levels in this multichromosomal bacterium was detailed.
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