Author
S. Kumar
The Francis Crick Institute
Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.
Biology Disciplines
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2017-2026 · peak 58/yrCo-Author Collaboration Network
10 top collaborators · 12 mutual co-author links233 papers
Recent·Most cited
- Cell BiologybioRxivPreprint
Differential interferon-α subtype immune signatures suppress SARS-CoV-2 infection
J. Schuhenn, T. L. Meister, D. Todt…·S. Pfaender
The paper identifies differential antiviral effects of IFN-alpha subtypes against SARS-CoV-2 and highlights IFN5's superior activity, suggesting therapeutic potential.
DOI 10.1101/2021.05.20.444757 - MicrobiologybioRxiv
Discovery of pan-ErbB inhibitors protecting from SARS-CoV-2 replication, inflammation, and lung injury by a drug repurposing screen
S. Saul, M. Karim, P.-T. Huang…·S. Einav
This study identifies lapatinib, an ErbB inhibitor, as a broad-spectrum antiviral that suppresses SARS-CoV-2 and VEEV replication, inflammation, and lung injury through ErbB-mediated mechanisms.
- MicrobiologybioRxivPreprint
SARS CoV-2 variant B.1.617.1 is highly pathogenic in hamsters than B.1 variant
P. D. Yadav, S. Mohandas, A. M. Shete…·B. Bhargava
This study compares the pathogenicity of SARS-CoV-2 variants B.1 and B.1.617.1 in hamsters, finding B.1.617.1 causes greater body weight loss, higher viral load, and more severe lung lesions.
DOI 10.1101/2021.05.05.442760 - ImmunologybioRxivPreprint
Withaferin A inhibits LFA-1-stimulated ZAP70 activity and T-cell motility
F. Mobashar Hussain Urf Turabe, C. S. Chirumamilla, C. Perez-Novo…·N. K. Verma
This study identifies that withaferin A inhibits T-cell motility by targeting ZAP70 and cytoskeletal pathways, offering potential for immune response modulation.
DOI 10.1101/2021.04.25.441369 - Cell BiologybioRxiv
eIF2α integrates proteotoxic signals both from ER and cytoplasm: Hsp70-Bag3 module regulates HRI-dependent phosphorylation of eIF2α
S. Patel, S. Kumar, A. Hesin…·M. Y. Sherman
The paper shows that JG-98, an Hsp70 inhibitor, causes cell death by activating the eIF2α phosphorylation pathway through the Hsp70-Bag3 complex, linking ER and cytoplasmic proteotoxicity.
DOI 10.1016/j.isci.2022.104282 - BioengineeringbioRxivPreprint
Recombinant binder of sperm protein1 (rec-BSP1) as a potent fertility factor mediates its effect on embryo production
S. Bag, S. Ansari, A. Alka Turuk…·D. Malakar
This study optimizes the production of rec-BSP1 and demonstrates its ability to enhance buffalo sperm motility and blastocyst production in vitro.
DOI 10.1101/2021.04.12.437362 - ImmunologybioRxiv
Immunophenotyping and transcriptional profiling of human plasmablasts in dengue.
C. Aggarwal, K. Saini, E. S. Reddy…·A. Chandele
This study characterizes plasmablasts in dengue patients from India, showing their transcriptional features, adhesion molecule expression, and differential expansion based on infection severity.
DOI 10.1128/jvi.00610-21 - Evolutionary BiologybioRxivPreprint
Phylomedicine of mutational processes in somatic cancer cell populations
S. Miura, T. Vu, J. Choi, S. Kumar
This study integrates cancer cell phylogeny with mutational signature deconvolution to track mutational process changes in lung cancer patients over time.
DOI 10.1101/2021.04.02.438268 - Evolutionary BiologybioRxiv
Data-driven speciation tree prior for better species divergence times in calibration-poor molecular phylogenies
Q. Tao, J. Barba-Montoya, S. Kumar
This paper introduces a data-driven birth-death tree prior to improve Bayesian node age estimates in calibration-poor phylogenies, reducing the need for many well-constrained calibrations.
DOI 10.1093/bioinformatics/btab307 - MicrobiologybioRxiv
Comparison of SARS-CoV-2 VOC 202012/01 (UK variant) and D614G variant transmission by different routes in Syrian hamsters
S. Mohandas, P. Yadav, D. Nyayanit…·K. Lole
This study compares the transmission efficiency of SARS-CoV-2 UK variant and D614G variant in Syrian hamsters via different routes, finding comparable transmission between the two variants.
DOI 10.1089/vbz.2021.0032 - Cell BiologybioRxivPreprint
Proteins with prion-like domains can form viscoelastic condensates that enable membrane remodeling and endocytosis
L.-P. Bergeron-Sandoval, S. Kumar, H. K. Heris…·S. W. Michnick
The paper shows that prion-like domain-containing endocytic coat proteins form viscoelastic condensates that enable actin-independent membrane remodeling and endocytosis in yeast.
DOI 10.1101/145664 - Cell BiologybioRxivPreprint
Identifying Dihydropyrimidine Dehydrogenase as a Novel Regulator of Hepatic Steatosis
K. E. Sullivan, S. Kumar, Y. Zhang…·F. Fan
This study identifies DPYD as a regulator of hepatic steatosis through in vitro experiments showing its inhibition reduces lipid accumulation and its gain-of-function mutation increases lipid burden.
DOI 10.1101/2021.03.04.433987 - BiochemistrybioRxiv
Structural basis for the hyperthermostability of an archaeal glutaminase induced by post-translational succinimide formation
A. V. Dongre, S. Das, A. Bellur…·H. Balaram
This study investigates how succinimide formation in an archaeal glutaminase enhances thermostability through structural and computational analysis.
DOI 10.1016/j.bpj.2021.07.014 - MicrobiologybioRxivPreprint
Comparison of the pathogenicity and virus shedding of SARS CoV-2 VOC 202012/01 and D614G variant in hamster model
S. Mohandas, P. D. Yadav, D. Nyayanit…·P. Abraham
This study compares the pathogenicity and virus shedding of SARS-CoV-2 VOC 202012/01 and D614G variants in hamsters, finding higher viral shedding and mild lung pathology with VOC 202012/01.
DOI 10.1101/2021.02.25.432136 - BiophysicsbioRxiv
Negative DNA supercoiling makes protein-mediated looping deterministic and ergodic within the bacterial doubling time
Y. Yan, W. Xu, S. Kumar…·L. Finzi
The paper shows that negative DNA supercoiling reduces stochasticity in protein-mediated DNA looping, making it deterministic and ergodic within bacterial doubling time.
DOI 10.1093/nar/gkab946 - MicrobiologybioRxivPreprint
Assessment of immunogenicity and protective efficacy of ZyCoV-D DNA vaccine candidates in Rhesus macaques against SARS-CoV-2 infection
P. Yadav, S. Kumar, K. Agarwal…·P. Abraham
This study evaluates two doses of ZyCoV-D DNA vaccine in rhesus macaques, finding that the 2mg dose via Needle Free Injection System provides better immune response and protection against SARS-CoV-2.
DOI 10.1101/2021.02.02.429480 - ImmunologybioRxiv
Immunogenic Potential of DNA Vaccine candidate, ZyCoV-D against SARS-CoV-2 in Animal Models
A. Dey, C. Rajanathan TM, H. Chandra…·K. Maithal
This study evaluates the immunogenic potential of the DNA vaccine ZyCoV-D against SARS-CoV-2 in animal models, showing antibody and Th-1 responses.
- EcologybioRxivPreprint
Effect of landscape heterogeneity on diurnal raptor community richness and diversity in Jammu Shiwaliks, Jammu and Kashmir
N. Sharma, S. Kumar, A. Sohil, M. Ahmed
This study assesses diurnal raptor richness and diversity across different land uses in Jammu Shiwaliks, finding higher abundance in farmlands and lower diversity overall.
DOI 10.1101/2021.01.22.427758 - ImmunologybioRxivPreprint
Systemic inflammation recruits fast-acting anti-inflammatory innate myeloid progenitors from BM into lymphatics
J. Serrano-Lopez, S. Hegde, S. Kumar…·J. Cancelas
The paper shows that systemic inflammation triggers rapid migration of specific myeloid progenitors from bone marrow to lymphatics via Ccl19/Ccr7, promoting anti-inflammatory responses and replenishment of lymph node dendritic cells.
- Plant BiologybioRxivPreprint
Osa-miR820 regulatory node primes rice plants to tolerate salt stress in an agronomically advantageous manner
N. Sharma, S. Kumar, N. Sanan-Mishra
This study identifies Osa-miR820 as a regulator of OsDRM2 that enhances salt stress tolerance in rice with agronomic benefits.
DOI 10.1101/2021.01.20.427536 - Cell BiologybioRxivPreprint
Molecular mechanisms underlying attenuation of live attenuated Japanese encephalitis virus vaccine SA14-14-2
P. Hoovina Venkatesh, S. Kumar, N. Kumar…·V. Satchidanandam
This paper identifies molecular mechanisms of attenuation in the SA14-14-2 Japanese encephalitis vaccine strain, showing loss of NS1 and envelope protein folding defects lead to enhanced immune responses.
DOI 10.1101/2021.01.14.426643 - MicrobiologybioRxiv
Immunogenicity and protective efficacy of a highly thermotolerant, trimeric SARS-CoV-2 receptor binding domain derivative
S. K. Malladi, U. R. Patel, R. S. Rajmani…·R. Varadarajan
This study designs a thermotolerant trimeric RBD vaccine candidate that elicits strong neutralizing antibodies against multiple SARS-CoV-2 variants in animal models.
- MicrobiologybioRxiv
Global transcriptome analysis of Stenotrophomonas maltophilia in response to growth at human body temperature
P. P. Patil, S. Kumar, A. Kaur…·P. B. Patil
This study identifies temperature-regulated genes in Stenotrophomonas maltophilia using transcriptome analysis, revealing adaptations for human body temperature.
DOI 10.1099/mgen.0.000600 - MicrobiologybioRxiv
RNA-protein interaction analysis of SARS-CoV-2 5'- and 3'-untranslated regions identifies an antiviral role of lysosome-associated membrane protein-2
R. Verma, S. Saha, S. Kumar…·M. Surjit
This study identifies host proteins interacting with SARS-CoV-2 5' and 3' UTRs, revealing Lamp2a's antiviral role by reducing viral RNA levels.
DOI 10.1128/msystems.00643-21 - Cancer BiologybioRxiv
Multistability and consequent phenotypic plasticity in AMPK-Akt double negative feedback loop in cancer cells
A. Chedere, K. Hari, S. Kumar…·M. K. Jolly
The paper develops a mathematical model of the AMPK-Akt feedback loop, showing it can generate multistability and phenotypic switching in cancer cells, supported by experimental and clinical data.
DOI 10.3390/jcm10030472 - ImmunologybioRxivPreprint
Plasma neutralizing antibodies in an infant with interclade HIV-1 superinfection preferentially neutralize superinfecting HIV-1 strains
N. Mishra, S. Sharma, A. Dobhal…·K. Luthra
This study examines nAb responses in an infant with interclade HIV-1 superinfection, finding that neutralizing antibodies primarily target the superinfecting strain and depend on glycans.
DOI 10.1101/2020.12.10.420703 - ImmunologybioRxiv
Cross-neutralization of SARS-CoV-2 by HIV-1 specific broadly neutralizing antibodies and polyclonal plasma
N. Mishra, S. Kumar, S. Singh…·K. Luthra
This study shows that HIV-1 broadly neutralizing antibodies and plasma from HIV-1 infected children can cross-neutralize SARS-CoV-2 by targeting conserved epitopes and glycans on the spike protein.
DOI 10.1371/journal.ppat.1009958 - MicrobiologybioRxiv
Neutralizing antibodies induced by first-generation gp41-stabilized HIV-1 envelope trimers and nanoparticles
S. Kumar, X. Lin, T. Ngo…·J. Zhu
This study isolates HIV-1 neutralizing antibodies from mice and rabbits immunized with gp41-stabilized trimers and nanoparticles, showing they target different epitopes and elicit Env-dependent breadth.
- MicrobiologybioRxiv
N6-methyladenosine modification of HIV-1 RNA evades RIG-I-mediated sensing to suppresses type-I interferon induction in monocytic cells
S. Chen, S. Kumar, N. Tirumuru…·L. Wu
This study shows that HIV-1 RNA's m6A modifications suppress type-I interferon induction in monocytic cells by evading RIG-I sensing.
DOI 10.1371/journal.ppat.1009421