Table 1.

Faithfulness of β-lactamase homolog occurrence based on indicator species analysis in selected metagenomes with varying levels of anthropogenic impact.

Environment	High probability of β -lactamase homolog
Human feces	blaEBR, cfxA, HGI, mecR
Wastewater treatment plants	bla1, blaFEZ, blaGOB, blaNPS, blaSIM, blaTEM, blaTOHO, blaZ, blm, LCR
Agricultural soils	AmpC, blaACT, blaB, blaLEN, blaLRA, blaMOX, blaNDM, blaOCH, blaSHV, blaV IM, CepS, THINB
Less anthropogenically impacted (include non-agricultural soils, glaciers, marine, and fresh water samples)	blaACC, blaCARB, blaCMY, blaCTX-M, blaDHA, blaFONA, blaGES, blaIND, blaJOHN, blaKHM, blaKLUA, blaKPC, blaMIR, blaOKP, blaOXA, blaOXY, blaPDC, blaPER, blaSME, blaSPM, blaTUS, blaV EB, CphA, L1, SRT