{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T17:52:36Z","timestamp":1785174756225,"version":"3.55.0"},"reference-count":100,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,1,31]],"date-time":"2022-01-31T00:00:00Z","timestamp":1643587200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Cell. Infect. Microbiol."],"abstract":"<jats:p>Carbapenem-resistant <jats:italic>Klebsiella pneumoniae<\/jats:italic> (CR-KP) represents an emerging threat to public health. CR-KP infections result in elevated morbidity and mortality. This fact, coupled with their global dissemination and increasingly limited number of therapeutic options, highlights the urgency of novel antimicrobials. Innovative strategies linking genome-wide interrogation with multi-layered metabolic data integration can accelerate the early steps of drug development, particularly target selection. Using the BioCyc ontology, we generated and manually refined a metabolic network for a CR-KP, <jats:italic>K. pneumoniae<\/jats:italic> Kp13. Converted into a reaction graph, we conducted topological-based analyses in this network to prioritize pathways exhibiting druggable features and fragile metabolic points likely exploitable to develop novel antimicrobials. Our results point to the aptness of previously recognized pathways, such as lipopolysaccharide and peptidoglycan synthesis, and casts light on the possibility of targeting less explored cellular functions. These functions include the production of lipoate, trehalose, glycine betaine, and flavin, as well as the salvaging of methionine. Energy metabolism pathways emerged as attractive targets in the context of carbapenem exposure, targeted either alone or in conjunction with current therapeutic options. These results prompt further experimental investigation aimed at controlling this highly relevant pathogen.<\/jats:p>","DOI":"10.3389\/fcimb.2022.773405","type":"journal-article","created":{"date-parts":[[2022,1,31]],"date-time":"2022-01-31T07:05:55Z","timestamp":1643612755000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["Pathway Driven Target Selection in Klebsiella pneumoniae: Insights Into Carbapenem Exposure"],"prefix":"10.3389","volume":"12","author":[{"given":"Federico","family":"Serral","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Agustin M.","family":"Pardo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ezequiel","family":"Sosa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda Mercedes","family":"Palomino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marisa F.","family":"Nicol\u00e1s","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adrian G.","family":"Turjanski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pablo Ivan P.","family":"Ramos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dar\u00edo","family":"Fern\u00e1ndez Do Porto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,1,31]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"3028290","DOI":"10.1155\/2018\/3028290","article-title":"Stress-Adaptive Responses Associated With High-Level Carbapenem Resistance in KPC-Producing","volume":"2018","author":"Adams-Sapper","year":"2018","journal-title":"J.\u00a0Pathog."},{"key":"B2","doi-asserted-by":"publisher","first-page":"508","DOI":"10.1007\/s12539-018-0299-y","article-title":"Subtractive Genomics, Molecular Docking and Molecular Dynamics Simulation Revealed LpxC as a Potential Drug Target Against Multi-Drug Resistant Klebsiella Pneumoniae","volume":"11","author":"Ahmad","year":"2019","journal-title":"Interdiscip. 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