Table 1.
Features of IA3902 Revealed by Muti-omics Approaches | Potential Implication for IA3902 Pathogenesis | |
---|---|---|
Comparative genomics | Unique genes in O-linked glycosylation | Flagellar modification, host cell specificity, colonization, and translocation |
Unique genes in capsule biosynthesis and modification | Serum resistance and bacteremia induction | |
fspA2 | Tissue damage | |
tetO | Antibiotics resistance and persistence | |
SNPs and indels | Global regulation of gene expression | |
Transcriptomics | ↓ Iron uptake systems | Adaptation to iron-limited condition |
↑ Energy production and conversion | Motility, colonization, and translocation | |
↑ Cell motility | ||
↑ Anaerobic respiration | Adaptation to oxygen limitation | |
↑ Serine utilization | Selective utilization of amino acid and growth in different tissues | |
↓ Proline, glutamate, aspartate, and lactate utilization | ||
Proteomics | ↓ P19 | Adaptation to iron-limited condition |
↓ CfrA | ||
↓ ChuZ | ||
↓ChuA | ||
↑ PseC | Flagellar modification and host cell specificity |
Note.—Genes with increased mRNA or protein expression in IA3902 are indicated by upward arrows and those with decreased mRNA or protein expression in IA3902 are indicated by downward arrows.