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10.1172/jci.insight.199689
1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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1Department of Medicine, Division of Nephrology, Columbia University, New York, United States of America
2Department of Medicine, Division of Infectious Diseases, Columbia University, New York, United States of America
3Department of Dermatology, Columbia University, New York, United States of America
4Center for Precision Medicine and Genomics, Columbia University, New York, United States of America
5Department of Neurology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, United States of America
6Division of Statistics and Informatics, Northwestern University Feinberg School of Medicine, Chicago, United States of America
7Center for Applied Genomics, The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, United States of America
8Department of Urology, Columbia University, New York, United States of America
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Published December 9, 2025 - More info
Urinary tract infections (UTIs) are the most common severe bacterial infections in young children, often associated with vesicoureteral reflux (VUR). To explore host genetic-microbiota interactions and their clinical implications, we analyzed the urinary microbiota (urobiota) and conducted genome-wide association studies (GWAS) for bacterial abundance traits in pediatric UTI and VUR patients from the RIVUR and CUTIE cohorts. We identified four urobiota community types based on relative abundance, characterized by the genera Enterococcus, Prevotella, Pseudomonas, and Escherichia/Shigella, and their associations with VUR, age, and toilet training. Children with VUR exhibited decreased microbial diversity and increased abundance of genera that included opportunistic pathogens, suggesting a disrupted urobiota. We detected genome-wide significant genetic associations with urinary bacterial relative abundances, in or near candidate genes including CXCL12, ABCC1, and ROBO1, which are implicated in urinary tract development and response to infection. We showed that Cxcl12 is induced 12 hours after uropathogenic bacterial infection in mouse bladder. The association with CXCL12 suggests a genetic link between UTI, VUR and cardiovascular phenotypes later in life. These findings provide the first characterization of host genetic influences on the pediatric urobiota in UTI and VUR, offering insights into the interplay between disease, host genetics and the urobiota composition.