Comparison of the transcriptome, lipidome, and c-di-GMP production between BCGΔBCG1419c and BCG, with Mincle- and Myd88-dependent induction of proinflammatory cytokines in murine macrophages

Flores-Valdez MA, Peterson EJ, Aceves-Sánchez MdJ, Baliga NS, Morita YS, Sparks IL, Saini DK, Yadav R, Lang R, Mata-Espinosa D, León-Contreras JC, Hernández-Pando R (2024)

Publication Type: Journal article

Publication year: 2024

Journal

Scientific Reports Nature Publishing Group: Open Access Journals - Option B

Book Volume: 14

Article Number: 11898

Journal Issue: 1

DOI: 10.1038/s41598-024-61815-8

Abstract

We have previously reported the transcriptomic and lipidomic profile of the first-generation, hygromycin-resistant (HygR) version of the BCGΔBCG1419c vaccine candidate, under biofilm conditions. We recently constructed and characterized the efficacy, safety, whole genome sequence, and proteomic profile of a second-generation version of BCGΔBCG1419c, a strain lacking the BCG1419c gene and devoid of antibiotic markers. Here, we compared the antibiotic-less BCGΔBCG1419c with BCG. We assessed their colonial and ultrastructural morphology, biofilm, c-di-GMP production in vitro, as well as their transcriptomic and lipidomic profiles, including their capacity to activate macrophages via Mincle and Myd88. Our results show that BCGΔBCG1419c colonial and ultrastructural morphology, c-di-GMP, and biofilm production differed from parental BCG, whereas we found no significant changes in its lipidomic profile either in biofilm or planktonic growth conditions. Transcriptomic profiling suggests changes in BCGΔBCG1419c cell wall and showed reduced transcription of some members of the DosR, MtrA, and ArgR regulons. Finally, induction of TNF-α, IL-6 or G-CSF by bone-marrow derived macrophages infected with either BCGΔBCG1419c or BCG required Mincle and Myd88. Our results confirm that some differences already found to occur in HygR BCGΔBCG1419c compared with BCG are maintained in the antibiotic-less version of this vaccine candidate except changes in production of PDIM. Comparison with previous characterizations conducted by OMICs show that some differences observed in BCGΔBCG1419c compared with BCG are maintained whereas others are dependent on the growth condition employed to culture them.

Authors with CRIS profile

Roland Lang Professur für Angeborene Immunität und Pathogenerkennung

Involved external institutions

Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco A.C. (CIATEJ) MX Mexico (MX) Institute for Systems Biology US United States (USA) (US) University of Massachusetts Amherst (UMass) US United States (USA) (US) Indian Institute of Science (IISc) IN India (IN) Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán MX Mexico (MX)

How to cite

APA:

Flores-Valdez, M.A., Peterson, E.J., Aceves-Sánchez, M.d.J., Baliga, N.S., Morita, Y.S., Sparks, I.L.,... Hernández-Pando, R. (2024). Comparison of the transcriptome, lipidome, and c-di-GMP production between BCGΔBCG1419c and BCG, with Mincle- and Myd88-dependent induction of proinflammatory cytokines in murine macrophages. Scientific Reports, 14(1). https://doi.org/10.1038/s41598-024-61815-8

MLA:

Flores-Valdez, Mario Alberto, et al. "Comparison of the transcriptome, lipidome, and c-di-GMP production between BCGΔBCG1419c and BCG, with Mincle- and Myd88-dependent induction of proinflammatory cytokines in murine macrophages." Scientific Reports 14.1 (2024).

BibTeX: Download