Omar Mahmud Warsi

Interspecies interaction alters the trajectory of antibiotic resistance evolution by amplifying negative fitness epistasis

Muzafar, Suraya; Nair, Ramith R.; Andersson, Dan I.; Warsi, Omar M.

Ingår i The ISME Journal, 2025

• DOI för Interspecies interaction alters the trajectory of antibiotic resistance evolution by amplifying negative fitness epistasis
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The strength of interspecies interaction in a microbial community determines its susceptibility to invasion

Muzafar, Suraya; Nair, Ramith R.; Andersson, Dan I.; Warsi, Omar M.

Ingår i PLoS biology, 2024

• DOI för The strength of interspecies interaction in a microbial community determines its susceptibility to invasion
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Antibiotic resistance begets more resistance: chromosomal resistance mutations mitigate fitness costs conferred by multi-resistant clinical plasmids

Nair, Ramith R.; Andersson, Dan I.; Warsi, Omar M.

Ingår i Microbiology Spectrum, 2024

• DOI för Antibiotic resistance begets more resistance: chromosomal resistance mutations mitigate fitness costs conferred by multi-resistant clinical plasmids
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Staphylococcus aureus mutants resistant to the feed-additive monensin show increased virulence and altered purine metabolism

Warsi, Omar M.; Upterworth, Lina M.; Breidenstein, Annika; Lustig, Ulrika et al.

Ingår i mBio, 2024

• DOI för Staphylococcus aureus mutants resistant to the feed-additive monensin show increased virulence and altered purine metabolism
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Vesicle-enriched secretomes alter bacterial competitive abilities and are drivers of evolution in microbial communities

Warsi, Omar M.; Gedda, Lars; Edwards, Katarina; Andersson, Dan I.

Ingår i FEMS Microbiology Ecology, 2023

• DOI för Vesicle-enriched secretomes alter bacterial competitive abilities and are drivers of evolution in microbial communities
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Interspecies interaction alters the trajectory of antibiotic resistance evolution by amplifying negative fitness epistasis

Muzafar, Suraya; Nair, Ramith R.; Andersson, Dan I.; Warsi, Omar M.

Ingår i The ISME Journal, 2025

• DOI för Interspecies interaction alters the trajectory of antibiotic resistance evolution by amplifying negative fitness epistasis
• Ladda ner fulltext (pdf) av Interspecies interaction alters the trajectory of antibiotic resistance evolution by amplifying negative fitness epistasis

The strength of interspecies interaction in a microbial community determines its susceptibility to invasion

Muzafar, Suraya; Nair, Ramith R.; Andersson, Dan I.; Warsi, Omar M.

Ingår i PLoS biology, 2024

• DOI för The strength of interspecies interaction in a microbial community determines its susceptibility to invasion
• Ladda ner fulltext (pdf) av The strength of interspecies interaction in a microbial community determines its susceptibility to invasion

Antibiotic resistance begets more resistance: chromosomal resistance mutations mitigate fitness costs conferred by multi-resistant clinical plasmids

Nair, Ramith R.; Andersson, Dan I.; Warsi, Omar M.

Ingår i Microbiology Spectrum, 2024

• DOI för Antibiotic resistance begets more resistance: chromosomal resistance mutations mitigate fitness costs conferred by multi-resistant clinical plasmids
• Ladda ner fulltext (pdf) av Antibiotic resistance begets more resistance: chromosomal resistance mutations mitigate fitness costs conferred by multi-resistant clinical plasmids

Staphylococcus aureus mutants resistant to the feed-additive monensin show increased virulence and altered purine metabolism

Warsi, Omar M.; Upterworth, Lina M.; Breidenstein, Annika; Lustig, Ulrika et al.

Ingår i mBio, 2024

• DOI för Staphylococcus aureus mutants resistant to the feed-additive monensin show increased virulence and altered purine metabolism
• Ladda ner fulltext (pdf) av Staphylococcus aureus mutants resistant to the feed-additive monensin show increased virulence and altered purine metabolism

Vesicle-enriched secretomes alter bacterial competitive abilities and are drivers of evolution in microbial communities

Warsi, Omar M.; Gedda, Lars; Edwards, Katarina; Andersson, Dan I.

Ingår i FEMS Microbiology Ecology, 2023

• DOI för Vesicle-enriched secretomes alter bacterial competitive abilities and are drivers of evolution in microbial communities
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Pervasive Selection for Clinically Relevant Resistance and Media Adaptive Mutations at Very Low Antibiotic Concentrations

Pereira, Catia; Warsi, Omar M.; Andersson, Dan I.

Ingår i Molecular biology and evolution, 2023

• DOI för Pervasive Selection for Clinically Relevant Resistance and Media Adaptive Mutations at Very Low Antibiotic Concentrations
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Structure and mechanism of a phage-encoded SAM lyase revises catalytic function of enzyme family

Guo, Xiaohu; Söderholm, Annika; Kanchugal Puttaswamy, Sandesh; Isaksen, Geir V et al.

Ingår i eLIFE, 2021

• DOI för Structure and mechanism of a phage-encoded SAM lyase revises catalytic function of enzyme family
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Metabolic fitness landscapes predict the evolution of antibiotic resistance

Pinheiro, Fernanda; Warsi, Omar M.; Andersson, Dan I.; Laessig, Michael

Ingår i Nature Ecology & Evolution, s. 677-687, 2021

• DOI för Metabolic fitness landscapes predict the evolution of antibiotic resistance

Evolution of a New Function by Fusion between Phage DNA and a Bacterial Gene

Warsi, Omar; Knopp, Michael; Surkov, Serhiy; Jerlström-Hultqvist, Jon et al.

Ingår i Molecular biology and evolution, s. 1329-1341, 2020

• DOI för Evolution of a New Function by Fusion between Phage DNA and a Bacterial Gene
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Mutations that increase expression of the EmrAB-TolC efflux pump confer increased resistance to nitroxoline in Escherichia coli

Puértolas-Balint, Fabiola; Warsi, Omar; Linkevicius, Marius; Tang, Po-Cheng et al.

Ingår i Journal of Antimicrobial Chemotherapy, s. 300-308, 2020

• DOI för Mutations that increase expression of the EmrAB-TolC efflux pump confer increased resistance to nitroxoline in Escherichia coli
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De Novo Emergence of Peptides That Confer Antibiotic Resistance

Knopp, Michael; Gudmundsdottir, Jonina S.; Nilsson, Tobias; Konig, Finja et al.

Ingår i mBio, 2019

• DOI för De Novo Emergence of Peptides That Confer Antibiotic Resistance
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Selection for novel metabolic capabilities in Salmonella enterica

Warsi, Omar M.; Lundin, Erik; Lustig, Ulrika; Näsvall, Joakim et al.

Ingår i Evolution, s. 990-1000, 2019

• DOI för Selection for novel metabolic capabilities in Salmonella enterica
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A bacteriophage enzyme induces bacterial metabolic perturbation that confers a novel promiscuous function

Jerlström-Hultqvist, Jon; Warsi, Omar; Söderholm, Annika; Knopp, Michael et al.

Ingår i Nature Ecology & Evolution, s. 1321-1330, 2018

• DOI för A bacteriophage enzyme induces bacterial metabolic perturbation that confers a novel promiscuous function

Different adaptive strategies in E-coli populations evolving under macronutrient limitation and metal ion limitation

Warsi, Omar M.; Andersson, Dan I; Dykhuizen, Daniel E.

Ingår i BMC Evolutionary Biology, 2018

• DOI för Different adaptive strategies in E-coli populations evolving under macronutrient limitation and metal ion limitation
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Out of the Antilles: Fossil phylogenies support reverse colonization of bats to South America

Tavares, Valeria da C.; Warsi, Omar M.; Balseiro, Fernando; Mancina, Carlos A. et al.

Ingår i Journal of Biogeography, s. 859-873, 2018

• DOI för Out of the Antilles: Fossil phylogenies support reverse colonization of bats to South America

Evolutionary implications of Liebig's law of the minimum: Selection under low concentrations of two nonsubstitutable nutrients

Warsi, Omar M.; Dykhuizen, Daniel E.

Ingår i Ecology and Evolution, s. 5296-5309, 2017

• DOI för Evolutionary implications of Liebig's law of the minimum: Selection under low concentrations of two nonsubstitutable nutrients
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Bats (Chiroptera:Noctilionoidea) Challenge a Recent Origin of Extant Neotropical Diversity

Rojas, Danny; Warsi, Omar M.; Davalos, Liliana M.

Ingår i Systematic Biology, s. 432-448, 2016

• DOI för Bats (Chiroptera:Noctilionoidea) Challenge a Recent Origin of Extant Neotropical Diversity

Experimental evolution of novel metabolic capabilities in Salmonella enterica

Warsi, Omar M.; Lundin, Erik; Lustig, Ulrika; Näsvall, Joakim et al.

Structure of a phage-encoded SAMase enzyme provides insights in substrate binding and mechanism

Guo, Xiaohu; Söderholm, Annika; Kanchugal Puttaswamy, Sandesh; Isaksen, Geir et al.

Structure of a phage-encoded SAM hydrolase enzyme provides insights in substrate binding and catalysis

Söderholm, Annika; Selmer, Maria; Guo, Xiaohu; Kanchugal Puttaswamy, Sandesh et al.