Author

Irvin Rivera

The University of Texas at San AntonioORCID 0009-0005-0647-3559Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 2 Genomics· 1

Signature Assays, Organisms & Methods

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Organism:E. coli· 3 Approach:statistical model· 2 Assay:whole-genome sequencing· 2 Research Focus:clustering· 1 Assay:DNA methylation· 1 Approach:experimental assay· 1 Research Focus:host-pathogen & immune response· 1 Research Focus:phylogenetics / evolution· 1

Frequent Co-Authors

Mark EppingeriD· 3 shared Sara S. K. Koenig· 3 shared Anwar A. Kalalah· 2 shared Armando L Rodriguez· 2 shared Joseph M. BosilevaciD· 2 shared Adeleh Arzhangi· 1 shared Ali DadvariD· 1 shared Ali Nemati· 1 shared

Activity by Year

2026-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 35 mutual co-author links

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3 shared papersMicrobiology

Mark EppingerORCID

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3 papers

Recent·Most cited

MicrobiologybioRxivPreprintSep 18, 2026

Pathogenome and Plasmid-Borne Antimicrobial Resistance Phenotypes in a Multidrug-Resistant O111:H8 Shiga Toxin-Producing Escherichia coli Strain

Irvin Rivera, Anwar A. Kalalah, Sara S. K. Koenig…·Mark Eppinger

The paper characterizes four plasmids in an O111:H8 STEC strain, showing their mobility, gene content, and resistance phenotypes, with findings on plasmid interactions and resistance mechanisms.

DOI 10.64898/2026.09.16.752176

E. coliwhole-genome sequencing

𝕏 PostBluesky

MicrobiologybioRxivPreprintSep 18, 2026

Cross-Serogroup Analysis of Representative Top-Seven Shiga toxin-producing Escherichia coli Plasmids Reveals Lineage-Specific Patterns

Ali Nemati, Irvin Rivera, Soren Mohammadi…·Mark Eppinger

The paper analyzes plasmid sequences from seven STEC serogroups to identify lineage-specific virulence and resistance patterns and mobility features.

DOI 10.64898/2026.09.16.752139

E. coliDNA methylation

𝕏 PostBluesky

GenomicsVirulencePeer-reviewedMay 15, 2026

Phylogenomic framework and virulence gene boundaries of emerging Shiga toxin producing Escherichia coli O118 informed by the comprehensive profiling of 359 O118 genomes

Irvin Rivera, Sara S. K. Koenig, Armando L Rodriguez…·Mark Eppinger

This study analyzes 359 O118 STEC genomes to characterize their phylogenetic relationships, virulence factors, and resistance traits, identifying novel pathogenicity islands and genetic diversity.

1 citation

E. coliwhole-genome sequencing

𝕏 PostBluesky