TABLE 2.

Percentages of major bacterial Orders in the fecal microbiota of human samples.

Bacterial orders likely carrying antimicrobial resistance genes are highlighted in gray and the list of genes is provided.

ST5-1mo, infant 1 month old; ST5-18mo, infant 18 months old; ST4-3mo, infant 3 months old; HS, adult human sample.

^aClass A broad-spectrum b-lactamase.

^bLincosamide nucleotidyltransferase Lnu(AN2).

^cMacrolide efflux MFS transporter.

^dCephalosporin-hydrolyzing class C b-lactamase.

^eFosfomycin resistance glutathione transferase.

^fTetracycline efflux MFS transporter.

^g23S rRNA [adenine(2058)-N(6)]-methyltransferase

^hTetracycline resistance ribosomal protection protein.

ⁱAminoglycoside 6-adenyltransferase.