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James Versalovic,

Houston Methodist

Areas Of Expertise

Bacterial pathogenesis Host-pathogen interactions Microbiome Genomics Proteomics Biofilms

The mucosal microbiota in a young child with severe non- Helicobacter gastritis
Preidis, GA, Luna, RA, Hollister, EB, Schady, D, Gao, C, Finegold, MJ, Versalovic, J & Shulman, RJ 2016, Therapeutic Advances in Gastroenterology, vol 9, no. 5, pp. 749-751. DOI:

Composition and function of the pediatric colonic mucosal microbiome in untreated patients with ulcerative colitis
Shah, R, Cope, JL, Nagy-Szakal, D, Dowd, S, Versalovic, J, Hollister, EB & Kellermayer, R 2016, Gut Microbes, pp. 1-13. DOI:

Transfer of viral communities between human individuals during fecal microbiota transplantation
Chehoud, C, Dryga, A, Hwang, Y, Nagy-Szakal, D, Hollister, EB, Luna, RA, Versalovic, J, Kellermayer, R & Bushman, FD 2016, mBio, vol 7, no. 2, e00322-16. DOI:

Colonic Mucosal Epigenome and Microbiome Development in Children and Adolescents
Harris, RA, Shah, R, Hollister, EB, Tronstad, RR, Hovdenak, N, Szigeti, R, Versalovic, J & Kellermayer, R 2016, Journal of Immunology Research, vol 2016, 9170162. DOI:

FolC2-mediated folate metabolism contributes to suppression of inflammation by probiotic Lactobacillus reuteri
Thomas, CM, Saulnier, DMA, Spinler, JK, Hemarajata, P, Gao, C, Jones, SE, Grimm, A, Balderas, MA, Burstein, MD, Morra, C, Roeth, D, Kalkum, M & Versalovic, J 2016, MicrobiologyOpen. DOI:

GABA-producing Bifidobacterium dentium modulates visceral sensitivity in the intestine
Pokusaeva, K, Johnson, C, Luk, B, Uribe, G, Fu, Y, Oezguen, N, Matsunami, RK, Lugo, M, Major, A, Mori-Akiyama, Y, Hollister, EB, Dann, SM, Shi, XZ, Engler, DA, Savidge, T & Versalovic, J 2016, Neurogastroenterology and Motility. DOI:

Histamine H2 receptor-mediated suppression of intestinal inflammation by probiotic lactobacillus reuteri
Gao, C, Major, A, Rendon, D, Lugo, M, Jackson, V, Shi, Z, Mori-Akiyama, Y & Versalovic, J 2015, mBio, vol 6, no. 6, e01358-15. DOI:

Randomised clinical trial: gut microbiome biomarkers are associated with clinical response to a low FODMAP diet in children with the irritable bowel syndrome
Chumpitazi, BP, Cope, JL, Hollister, EB, Tsai, CM, McMeans, AR, Luna, RA, Versalovic, J & Shulman, RJ 2015, Alimentary Pharmacology and Therapeutics, vol 42, no. 4, pp. 418-427. DOI:

The preterm placental microbiome varies in association with excess maternal gestational weight gain
Antony, KM, Ma, J, Mitchell, KB, Racusin, DA, Versalovic, J & Aagaard, K 2015, American journal of obstetrics and gynecology, vol 212, no. 5. DOI:

Serial fecal microbiota transplantation alters mucosal gene expression in pediatric ulcerative colitis
Kellermayer, R, Nagy-Szakal, D, Harris, RA, Luna, RA, Pitashny, M, Schady, D, Mir, SAV, Lopez, ME, Gilger, MA, Belmont, J, Hollister, EB & Versalovic, J 2015, American Journal of Gastroenterology, vol 110, no. 4, pp. 604-606. DOI:

Luminal conversion and immunoregulation by probiotics
Ganesh, BP & Versalovic, J 2015, Frontiers in Pharmacology, vol 6, no. NOV, 277. DOI:

The Human Microbiome of Local Body Sites and Their Unique Biology
Aagaard, K, Luna, RA & Versalovic, J 2014, . in Mandell, Douglas, and Bennetts Principles and Practice of Infectious Diseases. vol. 1, Elsevier, pp. 11-18. DOI:

Polymicrobial bloodstream infections in the neonatal intensive care unit are associated with increased mortality: A case-control study
Pammi, M, Zhong, D, Johnson, Y, Revell, P & Versalovic, J 2014, BMC Infectious Diseases, vol 14, no. 1, 390. DOI:

Lactobacillus rhamnosus L34 and Lactobacillus casei L39 suppress Clostridium difficile-induced IL-8 production by colonic epithelial cells
Boonma, P, Spinler, JK, Venable, SF, Versalovic, J & Tumwasorn, S 2014, BMC Microbiology, vol 14, no. 1, 177. DOI:

The placenta harbors a unique microbiome
Aagaard, K, Ma, J, Antony, KM, Ganu, R, Petrosino, J & Versalovic, J 2014, Science Translational Medicine, vol 6, no. 237, 237ra65. DOI:

MtDNA haplogroup and single nucleotide polymorphisms structure human microbiome communities
Ma, J, Coarfa, C, Qin, X, Bonnen, PE, Milosavljevic, A, Versalovic, J & Aagaard, K 2014, BMC Genomics, vol 15, no. 1, 257. DOI:

Identification of a proton-chloride antiporter (EriC) by Himar1 transposon mutagenesis in Lactobacillus reuteri and its role in histamine production
Hemarajata, P, Spinler, JK, Balderas, MA & Versalovic, J 2014, Antonie van Leeuwenhoek, International Journal of General and Molecular Microbiology, vol 105, no. 3, pp. 579-592. DOI:

Gut microbiota influences low fermentable substrate diet efficacy in children with irritable bowel syndrome
Chumpitazi, BP, Hollister, EB, Oezguen, N, Tsai, CM, McMeans, AR, Luna, RA, Savidge, TC, Versalovic, J & Shulman, RJ 2014, Gut microbes, vol 5, no. 2, pp. 165-175. DOI:

Gut microbiota influences low fermentable substrate diet efficacy in children with irritable bowel syndrome
Chumpitazi, BP, Hollister, EB, Oezguen, N, Tsai, CM, McMeans, AR, Luna, RA, Savidge, TC, Versalovic, J & Shulman, RJ 2014, Gut Microbes, vol 5, no. 2. DOI:

Microbioma intestinale umano e metabolismo corporeo: Implicazioni per obesità e diabete
Devaraj, S, Hemarajata, P & Versalovic, J 2014, Biochimica Clinica, vol 38, no. 6, pp. 639-650.