Gram-negative bacteria generally indicate highly antibiotic-resistant strains
Is it true that gram-negative bacteria generally indicate highly antibiotic-resistant strains?
Yes. Multiple clinical and epidemiological studies demonstrate that Gram-negative bacteria frequently present with severe multidrug-resistant strains, including ESBL producers and carbapenem-resistant organisms.
Verdict: SUPPORTED · 4 sources for, 0 against · Last checked
The retrieved papers consistently document high levels of multidrug resistance, carbapenemase production, and extended-spectrum beta-lactamase (ESBL) activity among various Gram-negative pathogens. There are no papers contradicting the premise that Gram-negative bacteria are heavily associated with highly resistant strains, making SUPPORTED the appropriate verdict.
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Kallen, A. J. & Srinivasan, A. (2010). Current Epidemiology of Multidrug-Resistant Gram-Negative Bacilli in the United States. doi.org. https://doi.org/10.1086/655996
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Aiesh, B. M., Natsheh, M., Amar, M., Abutaha, S. A., Qadi, M., Abutaha, A., Sabateen, A., & Zyoud, S. H. (2024). Epidemiology and clinical characteristics of patients with healthcare-acquired multidrug-resistant Gram-negative bacilli: a retrospective study from a tertiary care hospital. doi.org. https://doi.org/10.1038/s41598-024-53596-x
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Adan, F. N., Jeele, M. O. O., & Omar, N. M. S. (2022). Epidemiology of Multidrug Resistant Non-Fermentative Gram Negative Bacilli in Patients with Hospital Acquired Pneumonia: An Alarming Report from Somalia. doi.org. https://doi.org/10.2147/IDR.S387370
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TMR, R., C, A., I, G., MT, I., P, C., E, Z., E, O., C, F., & C, I. (2026). Molecular characterization of β-lactamase genes and porin alterations in multidrug-resistant Gram-negative clinical isolates from Calabria, Southern Italy.. doi.org. https://doi.org/10.1007/s11033-026-12502-6
- Is it true that indigenous breeds of cattle are generally considered to be highly resistant to ticks? SUPPORTED
- Is it true that gram positive bacteria contain teichoic acids, whereas Gram negative bacteria do not? SUPPORTED
- Is it true that scientists combat antibiotic-resistant bacteria using combination therapies and novel bacteriophages? SUPPORTED
What does the evidence say?
The retrieved papers consistently document high levels of multidrug resistance, carbapenemase production, and extended-spectrum beta-lactamase (ESBL) activity among various Gram-negative pathogens. There are no papers contradicting the premise that Gram-negative bacteria are heavily associated with highly resistant strains, making SUPPORTED the appropriate verdict.
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