New microbes and new infections
TEM-15 and TEM-17, rare ESBLs re-emerging in a KPC-2-producing Klebsiella quasipneumoniae subsp. similipneumoniae ST2131 from wastewater, Brazil.
João Pedro Rueda Furlan, Giovanna Carrasco Bueno, Rubens Renato Sousa-Carmo, Renan Lourenço Oliveira Silva, Mikaela Renata Funada Barbosa, Maria Ines Zanoli Sato, Nilton Lincopan, Sergio Schenkman
Published: 202510.1016/j.nmni.2025.101673
Abstract
Open Access•A wastewater-derived KPC-2-positive K. quasipneumoniae strain carried rare ESBLs.•The Tn1331 transposon mobilized TEM-15 and TEM-17, driving AMR evolution.•First genomic data of TEM-17 in Brazil and its coexistence with TEM-15 worldwide.•Wastewater monitoring is key to tracking emerging resistance in WHO priority pathogens.