Medical College of Wisconsin
CTSIResearch InformaticsREDCap

Roshan Kumar PhD

Roshan Kumar PhD profile photo picture

Research Scientist I

Institution: Medical College of Wisconsin
Department: Obstetrics and Gynecology
Division: Obstetrics and Gynecology Research and Advanced Education

Publications (44)

  • Editorial: Unlocking the potential of the microbiome in cancer therapy (Kumar R, Pakbin B, Singh MR, Muruganantham B) Frontiers in Microbiology September 2026;17:1-3 SCOPUS ID: 2-s2.0-105050798759 09/04/2026    
  • Intratumoral microbiota in cancer: Spatial evidence, biological mechanisms, and translational prospects (Bhargava V, Gupta S, Yadav C, Panchal I, Mathur N, Kumar R, Khangembam CD, Lata P) Progress in Biophysics and Molecular Biology September 2026;201:327-340 SCOPUS ID: 2-s2.0-105046389657 09/01/2026    
  • Promoting Microbiology Literacy and Holistic Health: IMiLI and IMiLI-SAC Perspectives on Microbes, Diet, Lifestyle and Society-A 5-Year Journey. (Kumar A, Hira P, Sood U, Lata P, Anand S, Saxena A, Singh AK, Verma H, Negi V, Singhvi N, Dua A, Nigam A, Garg N, Jali B, Reecha, Solanki R, Singh P, Bala K, Nagar S, Gupta V, Tripathi C, Kaur J, Kaur J, Kumari R, Mahato NK, Kumar R, Verma M, Kaur P, Shukla P, Biswas SM, Dua M, Subudhi S, Kumari R, Garg G, Makhija S, Toteja R, Rawat CD, Singh R, Lal S, Ramos JL, Timmis K, Lal R) Microb Biotechnol 2026 Jun;19(6):e70400 PMID: 42290122 PMCID: PMC13266083 SCOPUS ID: 2-s2.0-105041910846 06/15/2026    
  • Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): the interplay of gut microbiome, insulin resistance, and diabetes. (Dua A, Kumari R, Singh M, Kumar R, Pradeep S, Ojesina AI, Kumar R) Front Med (Lausanne) 2025;12:1618275 PMID: 40893881 PMCID: PMC12392282 SCOPUS ID: 2-s2.0-105014515937 09/02/2025       38 Citations
  • Race-related host and microbe transcriptomic signatures in triple-negative breast cancer. (Kumar R, Duyar-Ayerdi S, Sundaresan A, Srinivasasainagendra V, Pedamallu CS, Behring M, Chandrashekar DS, Eltoum IE, Varambally S, Tiwari HK, Shrestha S, Auer PL, Chaudhary LN, Kirby JR, Yates C, Manne U, Ojesina AI) NPJ Breast Cancer 2025 Aug 08;11(1):87 PMID: 40781241 PMCID: PMC12334597 SCOPUS ID: 2-s2.0-105012896561 08/09/2025       1 Citation
  • Deciphering the divergent transcriptomic landscapes of cervical cancer cells grown in 3D and 2D cell culture systems. (Kumar R, Iden M, Tsaih SW, Schmidt R, Ojesina AI, Rader JS) Front Cell Dev Biol 2024;12:1413882 PMID: 39193365 PMCID: PMC11347336 SCOPUS ID: 2-s2.0-85202043249 08/28/2024       12 Citations
  • From Gut to Hormones: Unraveling the Role of Gut Microbiota in (Phyto)Estrogen Modulation in Health and Disease. (Kumari N, Kumari R, Dua A, Singh M, Kumar R, Singh P, Duyar-Ayerdi S, Pradeep S, Ojesina AI, Kumar R) Mol Nutr Food Res 2024 Mar;68(6):e2300688 PMID: 38342595 SCOPUS ID: 2-s2.0-85184482849 02/12/2024       100 Citations
  • Identification of a microbial sub-community from the feral chicken gut that reduces Salmonella colonization and improves gut health in a gnotobiotic chicken model. (Wongkuna S, Ambat A, Ghimire S, Mattiello SP, Maji A, Kumar R, Antony L, Chankhamhaengdecha S, Janvilisri T, Nelson E, Doerner KC, More S, Behr M, Scaria J) Microbiol Spectr 2024 Mar 05;12(3):e0162123 PMID: 38315031 PMCID: PMC10913435 SCOPUS ID: 2-s2.0-85186959327 02/05/2024       8 Citations
  • Monkeypox virus: phylogenomics, host-pathogen interactome and mutational cascade. (Kumar R, Nagar S, Haider S, Sood U, Ponnusamy K, Dhingra GG, Anand S, Dua A, Singh M, Kumar R, Sengar M, Singh IK, Lal R) Microb Genom 2023 Apr;9(4) PMID: 37043267 PMCID: PMC10210936 SCOPUS ID: 2-s2.0-85152490791 04/13/2023       10 Citations
  • Weaponising microbes for peace. (Anand S, Hallsworth JE, Timmis J, Verstraete W, Casadevall A, Ramos JL, Sood U, Kumar R, Hira P, Dogra Rawat C, Kumar A, Lal S, Lal R, Timmis K) Microb Biotechnol 2023 Jun;16(6):1091-1111 PMID: 36880421 PMCID: PMC10221547 SCOPUS ID: 2-s2.0-85148284659 03/08/2023       43 Citations
  • Editorial: Multi-omics profiling of unique niches to reveal the microbial and metabolite composition. (Kumar R, Chaudhry V, Prakash O) Front Microbiol 2022;13:997191 PMID: 36060746 PMCID: PMC9437939 SCOPUS ID: 2-s2.0-85137769537 09/06/2022       4 Citations
  • A culture-based and culture-independent approach to the study of landfill leachate bacterial and archaeal communities. (Nimonkar YS, Kajale S, Dake M, Ranade DR, Yadav KK, Kumar R, Prakash O) Anaerobe 2022 Oct;77:102626 PMID: 35977655 SCOPUS ID: 2-s2.0-85137403404 08/18/2022       20 Citations
  • Microbial Journey: Mount Everest to Mars. (Sood U, Dhingra GG, Anand S, Hira P, Kumar R, Kaur J, Verma M, Singhvi N, Lal S, Rawat CD, Singh VK, Kaur J, Verma H, Tripathi C, Singh P, Dua A, Saxena A, Phartyal R, Jayaraj P, Makhija S, Gupta R, Sahni S, Nayyar N, Abraham JS, Somasundaram S, Lata P, Solanki R, Mahato NK, Prakash O, Bala K, Kumari R, Toteja R, Kalia VC, Lal R) Indian J Microbiol 2022 Sep;62(3):323-337 PMID: 35974919 PMCID: PMC9375815 SCOPUS ID: 2-s2.0-85133289625 08/18/2022       12 Citations
  • The rising dominance of microbiology: what to expect in the next 15 years? (Kumar R, Sood U, Kaur J, Anand S, Gupta V, Patil KS, Lal R) Microb Biotechnol 2022 Jan;15(1):110-128 PMID: 34713975 PMCID: PMC8719816 SCOPUS ID: 2-s2.0-85118220406 10/30/2021       20 Citations
  • The Alphabet of the Elementary Microbiology: Revisited. (Anand S, Lal S, Sood U, Gupta V, Dhingra GG, Solanki R, Kaur J, Kumar R, Saxena A, Dua A, Tripathi C, Talwar C, Rawat CD, Kaur H, Verma H, Kaur J, Verma M, Singh M, Hira P, Singhvi N, Mahato NK, Prakash O, Malhotra J, Lal R, Kalia VC) Indian J Microbiol 2021 Dec;61(4):397-400 PMID: 34629565 PMCID: PMC8492822 SCOPUS ID: 2-s2.0-85116451978 10/12/2021       2 Citations
  • Expanding Culturomics from Gut to Extreme Environmental Settings. (Sood U, Kumar R, Hira P) mSystems 2021 Aug 31;6(4):101128msystems0084821 PMID: 34463580 PMCID: PMC12338131 SCOPUS ID: 2-s2.0-105012483969 09/01/2021       1 Citation
  • Microbial World: Recent Developments in Health, Agriculture and Environmental Sciences: An Annual Conference Organized by Association of Microbiologists of India and Indian Network for Soil Contamination Research. (Dhingra GG, Saxena A, Nigam A, Hira P, Singhvi N, Anand S, Kaur J, Kaur J, Dua A, Negi V, Gupta V, Sood U, Kumar R, Lal S, Verma H, Verma M, Singh P, Rawat CD, Tripathi C, Talwar C, Nagar S, Mahato NK, Prakash O, Singh M, Kuhad RC, Singh Y, Lal B, Pabbi S, Singh N, Kalia VC, Lal R) Indian J Microbiol 2021 Jun;61(2):111-115 PMID: 33814643 PMCID: PMC8006636 SCOPUS ID: 2-s2.0-85103390915 04/06/2021       2 Citations
  • Comparative Genomics and Integrated Network Approach Unveiled Undirected Phylogeny Patterns, Co-mutational Hot Spots, Functional Cross Talk, and Regulatory Interactions in SARS-CoV-2. (Gupta V, Haider S, Verma M, Singhvi N, Ponnusamy K, Malik MZ, Verma H, Kumar R, Sood U, Hira P, Satija S, Singh Y, Lal R) mSystems 2021 Feb 23;6(1) PMID: 33622851 PMCID: PMC8573956 02/25/2021    
  • Population Genomic Analysis of Mycoplasma bovis Elucidates Geographical Variations and Genes associated with Host-Types. (Kumar R, Register K, Christopher-Hennings J, Moroni P, Gioia G, Garcia-Fernandez N, Nelson J, Jelinski MD, Lysnyansky I, Bayles D, Alt D, Scaria J) Microorganisms 2020 Oct 10;8(10) PMID: 33050495 PMCID: PMC7650767 SCOPUS ID: 2-s2.0-85092351284 10/15/2020       27 Citations
  • Phylogenetic Relationships and Potential Functional Attributes of the Genus Parapedobacter: A Member of Family Sphingobacteriaceae. (Nagar S, Talwar C, Haider S, Puri A, Ponnusamy K, Gupta M, Sood U, Bajaj A, Lal R, Kumar R) Front Microbiol 2020;11:1725 PMID: 33013721 PMCID: PMC7500135 SCOPUS ID: 2-s2.0-85091223840 10/06/2020       10 Citations
  • Comparative Genomic Analysis of Rapidly Evolving SARS-CoV-2 Reveals Mosaic Pattern of Phylogeographical Distribution. (Kumar R, Verma H, Singhvi N, Sood U, Gupta V, Singh M, Kumari R, Hira P, Nagar S, Talwar C, Nayyar N, Anand S, Rawat CD, Verma M, Negi RK, Singh Y, Lal R) mSystems 2020 Jul 28;5(4) PMID: 32723797 PMCID: PMC7394360 07/30/2020    
  • Microbiome: A New Lease to Microbiology. (Gupta V, Sood U, Kumar R, Lal R, Kalia VC) Indian J Microbiol 2020 Mar;60(1):1 PMID: 32089568 PMCID: PMC7000565 SCOPUS ID: 2-s2.0-85077711153 02/25/2020       6 Citations
  • Chicken Gut Microbiome and Human Health: Past Scenarios, Current Perspectives, and Futuristic Applications. (Sood U, Gupta V, Kumar R, Lal S, Fawcett D, Rattan S, Poinern GEJ, Lal R) Indian J Microbiol 2020 Mar;60(1):2-11 PMID: 32089569 PMCID: PMC7000578 SCOPUS ID: 2-s2.0-85061330464 02/25/2020       40 Citations
  • Recent Advancements in the Development of Modern Probiotics for Restoring Human Gut Microbiome Dysbiosis. (Kumar R, Sood U, Gupta V, Singh M, Scaria J, Lal R) Indian J Microbiol 2020 Mar;60(1):12-25 PMID: 32089570 PMCID: PMC7000592 SCOPUS ID: 2-s2.0-85066241457 02/25/2020       118 Citations
  • Reconciling Hygiene and Cleanliness: A New Perspective from Human Microbiome. (Gupta V, Kumar R, Sood U, Singhvi N) Indian J Microbiol 2020 Mar;60(1):37-44 PMID: 32089572 PMCID: PMC7000587 SCOPUS ID: 2-s2.0-85075191801 02/25/2020       19 Citations
  • Complete genome sequence of Paracoccus sp. strain AK26: Insights into multipartite genome architecture and methylotropy. (Puri A, Bajaj A, Verma H, Kumar R, Singh Y, Lal R) Genomics 2020 May;112(3):2572-2582 PMID: 32057914 SCOPUS ID: 2-s2.0-85080079053 02/15/2020       12 Citations
  • Defining the Environmental Adaptations of Genus Devosia: Insights into its Expansive Short Peptide Transport System and Positively Selected Genes. (Talwar C, Nagar S, Kumar R, Scaria J, Lal R, Negi RK) Sci Rep 2020 Jan 24;10(1):1151 PMID: 31980727 PMCID: PMC6981132 SCOPUS ID: 2-s2.0-85078228175 01/26/2020       123 Citations
  • Enantiomer and Carbon Isotope Fractionation of α-Hexachlorocyclohexane by Sphingobium indicum Strain B90A and the Corresponding Enzymes. (Liu Y, Wu L, Kohli P, Kumar R, Stryhanyuk H, Nijenhuis I, Lal R, Richnow HH) Environ Sci Technol 2019 Aug 06;53(15):8715-8724 PMID: 31266304 SCOPUS ID: 2-s2.0-85070868407 07/04/2019       35 Citations
  • Comparative Genomic Analyses Reveal Core-Genome-Wide Genes Under Positive Selection and Major Regulatory Hubs in Outlier Strains of Pseudomonas aeruginosa. (Sood U, Hira P, Kumar R, Bajaj A, Rao DLN, Lal R, Shakarad M) Front Microbiol 2019;10:53 PMID: 30787911 PMCID: PMC6372532 SCOPUS ID: 2-s2.0-85065913909 02/23/2019       35 Citations
  • Infection and Microbiome: Impact of Tuberculosis on Human Gut Microbiome of Indian Cohort. (Sood U, Bajaj A, Kumar R, Khurana S, Kalia VC) Indian J Microbiol 2018 Mar;58(1):123-125 PMID: 29434408 PMCID: PMC5801191 SCOPUS ID: 2-s2.0-85041398498 02/13/2018       23 Citations
  • Microbial taxonomy in the era of OMICS: application of DNA sequences, computational tools and techniques. (Mahato NK, Gupta V, Singh P, Kumari R, Verma H, Tripathi C, Rani P, Sharma A, Singhvi N, Sood U, Hira P, Kohli P, Nayyar N, Puri A, Bajaj A, Kumar R, Negi V, Talwar C, Khurana H, Nagar S, Sharma M, Mishra H, Singh AK, Dhingra G, Negi RK, Shakarad M, Singh Y, Lal R) Antonie Van Leeuwenhoek 2017 Oct;110(10):1357-1371 PMID: 28831610 SCOPUS ID: 2-s2.0-85027879026 08/24/2017       53 Citations
  • Comparative Genomic Analysis Reveals Habitat-Specific Genes and Regulatory Hubs within the Genus Novosphingobium. (Kumar R, Verma H, Haider S, Bajaj A, Sood U, Ponnusamy K, Nagar S, Shakarad MN, Negi RK, Singh Y, Khurana JP, Gilbert JA, Lal R) mSystems 2017;2(3) PMID: 28567447 PMCID: PMC5443232 06/02/2017    
  • Thermus parvatiensis RL(T) sp. nov., Isolated from a Hot Water Spring, Located Atop the Himalayan Ranges at Manikaran, India. (Dwivedi V, Kumari K, Gupta SK, Kumari R, Tripathi C, Lata P, Niharika N, Singh AK, Kumar R, Nigam A, Garg N, Lal R) Indian J Microbiol 2015 Dec;55(4):357-365 PMID: 26543260 PMCID: PMC4627951 SCOPUS ID: 2-s2.0-84946484680 11/07/2015       22 Citations
  • Sphingopyxis flava sp. nov., isolated from a hexachlorocyclohexane (HCH)-contaminated soil. (Verma H, Rani P, Kumar Singh A, Kumar R, Dwivedi V, Negi V, Lal R) Int J Syst Evol Microbiol 2015 Oct;65(10):3720-3726 PMID: 26219279 SCOPUS ID: 2-s2.0-84982743947 07/30/2015       21 Citations
  • Comparative genomic analysis of nine Sphingobium strains: insights into their evolution and hexachlorocyclohexane (HCH) degradation pathways. (Verma H, Kumar R, Oldach P, Sangwan N, Khurana JP, Gilbert JA, Lal R) BMC Genomics 2014 Nov 23;15(1):1014 PMID: 25418849 PMCID: PMC4289293 SCOPUS ID: 2-s2.0-84924282943 11/25/2014       70 Citations
  • Parapedobacter indicus sp. nov., isolated from hexachlorocyclohexane-contaminated soil. (Kumar R, Dwivedi V, Nayyar N, Verma H, Singh AK, Rani P, Rao DLN, Lal R) Int J Syst Evol Microbiol 2015 Jan;65(Pt 1):129-134 PMID: 25298380 SCOPUS ID: 2-s2.0-84921452304 10/10/2014       25 Citations
  • Hexachlorocyclohexane: persistence, toxicity and decontamination. (Nayyar N, Sangwan N, Kohli P, Verma H, Kumar R, Negi V, Oldach P, Mahato NK, Gupta V, Lal R) Rev Environ Health 2014;29(1-2):49-52 PMID: 24622782 SCOPUS ID: 2-s2.0-84898653026 03/14/2014       29 Citations
  • Pontibacter indicus sp. nov., isolated from hexachlorocyclohexane-contaminated soil. (Singh AK, Garg N, Lata P, Kumar R, Negi V, Vikram S, Lal R) Int J Syst Evol Microbiol 2014 Jan;64(Pt 1):254-259 PMID: 24052629 SCOPUS ID: 2-s2.0-84891893955 09/21/2013       35 Citations
  • Draft Genome Sequence of Sphingobium sp. Strain HDIPO4, an Avid Degrader of Hexachlorocyclohexane. (Mukherjee U, Kumar R, Mahato NK, Khurana JP, Lal R) Genome Announc 2013 Sep 19;1(5) PMID: 24051321 PMCID: PMC3778204 09/21/2013    
  • Draft Genome Sequence of Sphingobium lactosutens Strain DS20T, Isolated from a Hexachlorocyclohexane Dumpsite. (Kumar R, Dwivedi V, Negi V, Khurana JP, Lal R) Genome Announc 2013 Sep 19;1(5) PMID: 24051323 PMCID: PMC3778206 09/21/2013    
  • Reconstructing an ancestral genotype of two hexachlorocyclohexane-degrading Sphingobium species using metagenomic sequence data. (Sangwan N, Verma H, Kumar R, Negi V, Lax S, Khurana P, Khurana JP, Gilbert JA, Lal R) ISME J 2014 Feb;8(2):398-408 PMID: 24030592 PMCID: PMC3906814 SCOPUS ID: 2-s2.0-84892995906 09/14/2013       48 Citations
  • Titan cells: barriers to phagocytosis. (Negi V, Kumar R, Verma H, Sangwan N, Lal R) Indian J Microbiol 2012 Sep;52(3):516 PMID: 23997351 PMCID: PMC3460107 09/03/2013    
  • Pontibacter ramchanderi sp. nov., isolated from hexachlorocyclohexane-contaminated pond sediment. (Singh AK, Garg N, Sangwan N, Negi V, Kumar R, Vikram S, Lal R) Int J Syst Evol Microbiol 2013 Aug;63(Pt 8):2829-2834 PMID: 23315403 SCOPUS ID: 2-s2.0-84881002266 01/15/2013       34 Citations
  • Nuclear imaging in a patient with praecox lymphedema. (Tsai SC, Kao CH, Lin WY, Wang SJ) Clin Nucl Med 1996 Nov;21(11):907-8 PMID: 8922869 SCOPUS ID: 2-s2.0-0029904616 11/01/1996    
    • Last update: 09/29/2026