PUBLICATIONS

2022

Vemparala, B., Parambathu, A.V., Saini, D.K. & Dixit, N.M. (2022). An evolutionary paradigm favoring crosstalk between bacterial two-component signaling systems. mSystems 7 (6) 2022. link


Article was recommended to Faculty Opinions by Prof. Ann Stock, Rutgers - Robert Wood Johnson Medical School, USA: link


Barnabas, V., Kashyap, A., Raja, R., Newar, K., Rai, D., Dixit, N.M., & Mehra, S. (2022). The Extent of Antimicrobial Resistance Due to Efflux Pump Regulration. ACS Infect Dis 8 (11), 2022. link


• Chatterjee, B., Sandhu, H. S., & Dixit, N. M. (2022). Modeling recapitulates the heterogeneous outcomes of SARS-CoV-2 infection and quantifies the differences in the innate immune and CD8 T-cell responses between patients experiencing mild and severe symptoms. PLoS Pathog 18 (6), 2374-2388, 2022. link


• James, A., & Dixit, N. M. (2022). Transmitted HIV-1 is more virulent in heterosexual individuals than men-who-have-sex-with-men. PLoS Pathog 18 (3), 2022. link 


News coverage: Healthline AJMC MedicalNewsToday Medical Xpress Galileu Outrage SciTech Daily

... and many more


Padmanabhan, P., Desikan, R., & Dixit, N. M. (2022). Modeling how antibody responses may determine the efficacy of COVID-19 vaccines. Nat Comput Sci 2 (2), 123-131. link


News coverage: News and Views - Nature Computational Science The Hindu Hindustan Times Times of India ET Health Xinhua Net Nature India Outlook India The Indian Express The Hans India ... and many more 


Popular science article Dixit, N. M. (2022). A Dynamical Systems View of the Outcomes of Viral Infections. SIAM News. Link


• Padmanabhan, P., & Dixit, N. M. (2022). Evidence of increased Cathepsin B/L and decreased TMPRSS2 usage for cell entry by the SARS-CoV-2 Omicron variant. biorXiv. link

2021

• Ansari, A. F., Reddy, Y. B. S., Raut, J. et al. (2021). An efficient and scalable top-down method for predicting structures of microbial communities. Nat Comput Sci 1, 619–628. pdf


• Garg, A. K., Mittal, S., Padmanabhan, P., Desikan, R., & Dixit, N. M. (2021). Low dose prime and delayed boost can improve COVID-19 vaccine efficacies by increasing B cell selection stringency in germinal centres. medRxiv. pdf (Update: Published in Frontiers in Immunology - link to the article)


News coverage: The Hindu 


• Chatterjee, B., Sandhu, H. S., & Dixit, N. M. (2021). The relative strength and timing of innate immune and CD8 T-cell responses underlie the heterogeneous outcomes of SARS-CoV-2 infection. medRxiv. pdf


Desikan, R., Antia, R., & Dixit, N. M. (2021). Physical ‘strength’of the multi‐protein chain connecting immune cells: Does the weakest link limit antibody affinity maturation? The weakest link in the multi‐protein chain facilitating antigen acquisition by B cells in germinal centres limits antibody affinity maturation. BioEssays, 43(4), 2000159. pdf


Padmanabhan, P., Desikan, R., & Dixit, N. M. (2021). Modelling the population-level protection conferred by COVID-19 vaccination. medRxiv. pdf (Published in Nat Comput Sci link)


Nagaraja, P., Gopalan, B. P., D’Souza, R. R., Sarkar, D., Rajnala, N., Dixit, N. M., & Shet, A. (2021). The within-host fitness of HIV-1 increases with age in ART-naïve HIV-1 subtype C infected children. Scientific reports, 11(1), 1-10. pdf

2020

Gorai, B., Sahoo, A. K., Srivastava, A., Dixit, N. M., & Maiti, P. K. (2020). Concerted interactions between multiple gp41 trimers and the target cell lipidome may be required for HIV-1 entry. Journal of Chemical Information and Modeling. pdf


Padmanabhan, P., Raja, R., & Dixit, N. M. (2020). Bistability in virus–host interaction networks underlies the success of hepatitis C treatments. In Phenotypic Switching (pp. 131-156). Academic Press.


James, A., & Dixit, N. M. (2020). Transmitted HIV-1 is more pathogenic in heterosexual individuals than homosexual men. medRxiv. pdf


Padmanabhan, P., Desikan, R., & Dixit, N. M. (2020). The quantitative landscape of the neutralizing antibody response to SARS-CoV-2. medRxiv. pdf


Desikan, R., Raja, R., & Dixit, N. M. (2020). Early exposure to broadly neutralizing antibodies may trigger a dynamical switch from progressive disease to lasting control of SHIV infection. PLoS computational biology, 16(8), e1008064. pdf


Agrawal, S., Bhandari, S., Bhattacharjee, A., Deo, A., Dixit, N. M., Harsha, P., ... & Yasodharan, S. (2020). City-Scale Agent-Based Simulators for the Study of Non-Pharmaceutical Interventions in the Context of the COVID-19 Epidemic. Journal of the Indian Institute of Science, 1-39. pdf


Saha, A., & Dixit, N. M. (2020). Pre-existing resistance in the latent reservoir can compromise VRC01 therapy during chronic HIV-1 infection. PLOS Computational Biology, 16(11), e1008434. pdf


Padmanabhan, P., Desikan, R., & Dixit, N. M. (2020). Targeting TMPRSS2 and Cathepsin B/L together may be synergistic against SARS-CoV-2 infection. PLoS computational biology, 16(12), e1008461. pdf

2019

• Ansari et al., 110th Anniversary: High-order interactions can eclipse pairwise interactions in shaping the structure of microbial communities: the case of a synthetic oral microbial community containing Actinomyces viscosus, Industrial and Engineering Chemistry Research. pdf


• Garg et al., Preferential presentation of high-affinity immune complexes in germinal centers can explain how passive immunization improves the humoral response. Cell Reports. pdf


• Sen et al., You Cannot Have Your Synergy and Efficacy Too, Trends in Pharmacological Sciences. pdf


• Baral et al., A dynamical motif comprising the interactions between antigens and CD8 T cells may underlie the outcomes of viral infections, PNAS. pdf


• Dave et al., Strand-specific affinity of host factor hnRNP C1/C2 guides positive to negative-strand ratio in Coxsackievirus B3 infection, RNA Biology. pdf


• Raja et al., Mutational pathway maps and founder effects define the within-host spectrum of hepatitis C virus mutants resistant to drugs, PLoS Pathogens. pdf


• Baral S, Raja R, Sen P, Dixit NM. Towards multiscale modeling of the CD8+ T cell response to viral infections. WIREs Syst Biol Med.  pdf

2018

• Raja R, Baral S, Dixit NM. Interferon at the cellular, individual, and population level in hepatitis C virus infection: Its role in the interferon-free treatment era. Immunol Rev. 2018; 285: 55 –71. pdf


• Venugopal V, Padmanabhan P, Raja R, Dixit NM. Modelling how responsiveness to interferon improves interferon-free treatment of hepatitis C virus infection. PLoS Comput Biol. 2018; 14: e1006335. pdf 


• Sankhe GD, Dixit NM, Saini DK. Activation of bacterial histidine kinases: insights into the kinetics of the cis autophosphorylation mechanism. mSphere. 2018; 3: e00111-18. pdf


• Baral S, Roy R, Dixit NM. Modeling how reversal of immune exhaustion elicits cure of chronic hepatitis C after the end of treatment with direct-acting antiviral agents. Immunol Cell Biol. 2018; 96: 969-980  pdf


• Gupta V, Dixit NM. Trade-off between synergy and efficacy in combinations of HIV-1 latency-reversing agents. PLOS Comput Biol. 2018; 14: e1006004. pdf

2017

• Gogoi M, Ravikumar V, Dixit NM, Chakravortty D. Salmonella escapes K63 ubiquitination mediated MHC II endosomal proteolysis via modulation of endosomal acidification in dendritic cells. Pathog Dis. 2017; doi:10.1093/femspd/ftx125


• Padmanabhan P, Dixit NM. Inhibitors of hepatitis C virus entry may be potent ingredients of optimal drug combinations. Proc Natl Acad Sci. 2017; 201704531. doi:10.1073/pnas.1704531114 - Featured in The Hindu

2016

• Shet A, Nagaraja P, Dixit NM. Viral decay dynamics and mathematical modeling of treatment response: Evidence of lower in vivo fitness of HIV-1 subtype C. J Acq Immun Def Synd 2016; 73:245-251. pdf


• Nagaraja P, Alexander HK, Bonhoeffer S, Dixit NM. Influence of recombination on acquisition and reversion of immune escape and compensatory mutations in HIV-1. Epidemics. Elsevier B.V.; 2016;14: 11–25. pdf


• Padmanabhan P, Dixit NM. Models of Viral Population Dynamics. In: Domingo E, Schuster P, editors. Quasispecies: From Theory to Experimental Systems. Cham: Springer International Publishing; 2016. pp. 277–302. doi:10.1007/82_2015_458

2015

• Nandy B, Saurabh S, Sahoo AK, Dixit NM, Maiti PK. The SPL7013 dendrimer destabilizes the HIV-1 gp120–CD4 complex. Nanoscale. Royal Society of Chemistry; 2015;7:44. pdf


• Gupta V, Dixit NM. Scaling law characterizing the dynamics of the transition of HIV-1 to error catastrophe. Phys Biol. 2015;12(5):054001. pdf - Featured in The Indian Express


• Padmanabhan P, Dixit NM. Modelling suggests a mechanism of synergy between hepatitis C virus entry inhibitors and drugs of other classes. CPT: Pharmacometrics & Systems Pharmacology 2015. pdf - Featured in The Hindu and Bangalore Mirror


• Agrawal R, Pandey A, Rajankar MP, Dixit NM, Saini DK.The Two Component Signaling Networks of Mycobacterium tuberculosis Display Extensive Crosstalk In Vitro. Biochemical Journal 2015; 469: 121-134. pdf

2014

• Padmanabhan P, Garaigorta U, Dixit NM. Emergent properties of the interferon signaling network may underlie the success of hepatitis C treatment. Nat Commun 2014; 5:3872. pdf  - Featured in IndiaBioscience and Bangalore Mirror  - F1000Prime Recommended


• Thangavelu PU, Gupta V, Dixit NM. Estimating the fraction of progeny virions that must incorporate APOBEC3G for suppression of productive HIV-1 infection. Virology 2014; 449:224-228. pdf - Featured article in Virology Highlights

2013

• Nandy B, Bindu DH, Dixit NM, Maiti PK. Simulations reveal that HIV-1 gp120-CD4 complex dissociates via complex pathways and is a potential target of the polyamidoamine (PANAM) dendrimer. J Chem Phys 2013; 139:024905. pdf

2012

• Tripathi K, Balagam R, Vishnoi NK, Dixit NM. Stochastic simulations suggest that HIV-1 survives close to its error threshold. PLoS Comput Biol 2012; 8(9):e1002684. pdf


• Dixit NM, Srivastava P, Vishnoi NK. A finite population size model of molecular evolution: theory and computation. J Comput Biol 2012; 19:1176-1202. pdf


• Krishnan SM, Dixit NM. A formula to estimate the optimal dosage of ribavirin for the treatment of chronic hepatitis C: influence of ITPA polymorphisms. Antivir Ther 2012; 17:1581-92. pdf


• Padmanabhan P, Dixit NM. Viral kinetics suggests a reconcilation of the disparate observations of the modulation of claudin-1 expression on cells exposed to hepatitis C virus. PLoS ONE 2012; 7(4):e36107. pdf

2011

• Padmanabhan P, Dixit NM. Mathematical model of viral kinetics in vitro estimates the number of E2-CD81 complexes necessary for hepatitis C virus entry. PLoS Comput Biol 2011; 7(12):e1002307. pdf


• Mulampaka SN , Dixit NM. Estimating the threshold surface density of Gp120-CCR5 complexes necessary for HIV-1 envelope-mediated cell-cell fusion. PLoS ONE 2011; 6(5):e19941. pdf


• Krishnan SM, Dixit NM. Ribavirin-induced anemia in Hepatitis C virus patients undergoing combination therapy. PLoS Comput Biol 2011; 7(2):e1001072. pdf


• Balagam R, Singh V, Sagi AR, Dixit NM. Taking multiple infections of cells and recombination into account leads to small within-host effective-population-size estimates of HIV-1. PLoS One 2011; 6(1): e14531. pdf

2010

• Gadhamsetty S, Dixit NM. Estimating frequencies of minority nevirapine resistant strains in chronically HIV-1 infected individuals naive to nevirapine using stochastic simulations and a mathematical model. J Virol 2010; 84:10230-40. pdf

2009

• Krishnan SM, Dixit NM. Estimation of red blood cell lifespan from alveolar carbon monoxide measurements. Transl Res 2009; 154(1):15-7. pdf


• Eswarappa SM, Janice J, Balasundaram SV, Dixit NM, Chakravortty D . Host-specificity of Salmonella enterica serovar Gallinarum: insights from comparative genomics. Infect Genet Evol 2009; 9(4):468-73. pdf


• Arora P and Dixit NM . Timing the emergence of resistance to anti-HIV drugs with large genetic barriers. PLoS Comput Biol 2009; 5(3):e1000305. pdf

2008

• Eswarappa SM, Janice J, Nagarajan AG, Balasundaram SV, Karnam G, Dixit NM, Chakravortty D. Differentially evolved genes of Salmonella pathogenicity islands: insights into the mechanism of host specificity in Salmonella. PLoS One 2008; 3(12):e3829. pdf


• Dixit NM . Modelling HIV infection dynamics: The role of recombination in the development of drug resistance. Future HIV Therapy 2008; 2:375-88. pdf


• Vijay N N V, Vasantika, Ajmani R, Perelson AS and Dixit NM . Recombination increases human immunodeficiency virus fitness, but not necessarily diversity. J Gen Virol 2008; 89(Pt 6):1467-77. pdf


• Mohanty U and Dixit NM . Mechanism-based model of the pharmacokinetics of enfuvirtide, an HIV fusion inhibitor. J Theor Biol 2008; 251(3):541-51. pdf


• Dixit NM , Advances in the mathematical modelling of hepatitis C virus dynamics, J Ind Inst Sci 2008, 88, 37. pdf

2007

• Suryavanshi G W and Dixit NM . Emergence of recombinant forms of HIV: dynamics and scaling. PLoS Comput Biol 2007; 3(10):2003-18. pdf


• Beauchemin C, Dixit NM, Perelson AS. Characterizing T cell movement within lymph nodes in the absence of antigen. J Immunol 2007; 178(9):5505-12. pdf

2006

• Boyd MA, Dixit NM, Siangphoe U, Buss NE, Salgo MP, Lange JM, Phanuphak P, Cooper DA, Perelson AS, Ruxrungtham K. Viral decay dynamics in HIV-infected patients receiving ritonavir-boosted saquinavir and efavirenz with or without enfuvirtide: a randomized, controlled trial (HIV-NAT 012). J Infect Dis 2006; 194(9):1319-22. pdf


• Dixit NM, Perelson AS. The metabolism, pharmacokinetics and mechanisms of antiviral activity of ribavirin against hepatitis C virus. Cell Mol Life Sci 2006; 63(7-8):832-42. pdf


• Ribeiro RM, Dixit NM, Perelson AS (2006) Modelling the in vivo growth rate of HIV: Implications for vaccination. In: Paton R, McNamara LA, editors. Multidisciplinary Approaches to Theory in Medicine. Amsterdam: Elsevier. pp. 231-246. 

2005

• Dixit NM, Perelson AS. HIV dynamics with multiple infections of target cells. Proc Natl Acad Sci USA 2005; 102(23):8198-203. pdf


• Dixit NM, Perelson AS (2005) Influence of drug pharmacokinetics on HIV pathogenesis and therapy. In: Wu H, Tan WY, editors. Deterministic and Stochastic Models on AIDS and HIV with Intervention. Singapore: World Scientific Press. pp. 287-311.

2004

• Dixit NM, Layden-Almer JE, Layden TJ, Perelson AS. Modelling how ribavirin improves interferon response rates in hepatitis C virus infection. Nature 2004; 432(7019):922-4. pdf


• Dixit NM, Perelson AS. Multiplicity of human immunodeficiency virus infections in lymphoid tissue. J Virol 2004; 78(16):8942-5. pdf


• Dixit NM, Markowitz M, Ho DD, Perelson AS. Estimates of intracellular delay and average drug efficacy from viral load data of HIV-infected individuals under antiretroviral therapy. Antivir Ther 2004; 9(2):237-46. pdf


• Dixit NM, Perelson AS. Complex patterns of viral load decay under antiretroviral therapy: influence of pharmacokinetics and intracellular delay. J Theor Biol 2004; 226(1):95-109. pdf

2003

• Powers KA, Dixit NM, Ribeiro RM, Golia P, Talal AH, Perelson AS. Modeling viral and drug kinetics: hepatitis C virus treatment with pegylated interferon alfa-2b. Semin Liver Dis 2003; 23 Suppl 1:13-8. pdf


• Zukoski CF, Kulkarni AM, and Dixit NM, Response to: On methods of determination of homogeneous nucleation rates of protein crystals, Colloid Surf 2003: A 215, 137. pdf


• Dixit NM and Zukoski CF, Pseudo-steady rates of crystal nucleation in suspensions of charged colloidal particles, J Phys Condens Matter 2003; 15, 1531. pdf


• Dixit NM, Zukoski CF. Competition between crystallization and gelation: a local description. Phys Rev E 2003, 67:061501. pdf

-Kulkarni AM, Dixit NM, Zukoski CF. Ergodic and non-ergodic phase transitions in globular protein suspensions. Faraday Discuss 2003;123:37-50. pdf

2002

• Dixit NM, Zukoski CF. Nucleation rates and induction times during colloidal crystallization: links between models and experiments. Phys Rev E 2002; 66:051602. pdf


• Dixit NM and Zukoski CF, Crystal nucleation rates for particles experiencing anisotropic interactions, J Chem Phys 2002; 117:8540-50. pdf

2001

• Dixit NM, Zukoski CF. Kinetics of crystallization in hard-sphere colloidal suspensions. Phys Rev E 2001; 64:041604. pdf


• Dixit NM, Kulkarni AM and Zukoski CF, Comparison of experimental estimates and model predictions of protein crystal nucleation rates, Colloid Surf 2001, A 190, 47. pdf

2000

• Dixit NM, Zukoski CF. Crystal Nucleation Rates for Particles Experiencing Short-Range Attractions: Applications to Proteins. J Colloid Interface Sci 2000; 228(2):359-371. pdf