Molecular biology explores the tiny machinery inside living cells, revealing how genetic instructions are read, copied, and turned into the proteins that keep us alive. This field acts as a bridge between the static code of DNA and the dynamic processes that drive growth, disease, and life itself, offering insights into everything from cellular repair to the development of new medicines.

On Gist.Science, we track every new preprint uploaded to bioRxiv in this category to make these complex discoveries accessible to everyone. Our team processes each submission to provide both clear, plain-language explanations and detailed technical summaries, ensuring you can grasp the core findings without getting lost in dense academic jargon.

Below are the latest molecular biology papers freshly processed from bioRxiv, ready for you to explore and understand.

📄 molecular biology

A lipoprotein partner for the Escherichia coli outer membrane protein TolC

This study identifies the *E. coli* lipoprotein YbjP as a structural partner that binds to and stabilizes the outer membrane protein TolC, mimicking the lipid modifications found in homologs from other bacteria, although this interaction is not strictly required for standard efflux activity.

Horne, J., Kaplan, E., Jin, B. H., Abbott, K., Flores, V., Petsolari, E., Gradon, J. M., Ntsogo, Y., Harris, A., Hu, D. (…)2026-03-09
📄 molecular biology

In-house produced MarathonRT comparison to uMRT and Induro in tRNA sequencing library preparation

This study presents a cost-effective, in-house production and purification protocol for a redesigned MarathonRT enzyme that matches the performance of commercial alternatives (Induro and uMRT) in tRNA sequencing, while also introducing a rapid spin-column extraction method to further reduce the time and cost of library preparation.

Pedor, J. K., Gregorova, P., Radesic, M., Sarin, P.2026-03-09
📄 molecular biology

Analysis of genes co-evolved with Igf2bp RNA-Binding Proteins provides insights into post-transcriptional regulatory networks

This speculative review synthesizes the discovery and multifunctional roles of Igf2bp proteins in nervous system development and cancer, proposing a model where these RNA-binding proteins evolved to coordinate post-transcriptional regulation in neurogenesis and were later co-opted in tumorigenesis, a hypothesis supported by evolutionary analysis revealing that genes co-evolved with Igf2bps are enriched for neural functions and overlap with oncogenic targets stabilized by Igf2bp1.

Yisraeli, J. K., Izraely, S., Tabach, Y.2026-03-07
📄 molecular biology

MethylAmp One-step isothermal amplification with preservation of DNA methylation patterns

The authors developed a one-pot, isothermal MethylAmp workflow that simultaneously amplifies DNA and preserves native methylation patterns by optimizing a unified 42°C reaction condition to support both helicase-dependent amplification and DNMT1-mediated methylation, thereby enabling accurate epigenetic analysis without disrupting methylation marks.

Kong, K. W., Poh, S. E., Wong, F. T., Seow, Y., Koh, W.2026-03-07
📄 molecular biology

Chromatin tethering to the nuclear envelope enhances its accessibility to RNAPII and promotes chromatin asymmetric organization

This study demonstrates that tethering chromatin to the nuclear envelope via the LINC complex counteracts its self-attraction to prevent excessive clustering, thereby enhancing RNAPII accessibility and promoting asymmetric chromatin organization essential for efficient transcription.

Lorber, D., Azuri, I., Kumar, A., Rotkopf, R., Safran, S., Volk, T.2026-03-07
📄 molecular biology

A novel qPCR assay to detect the presence of Anopheles gambiae complex mosquitoes

This study introduces and validates a novel, highly sensitive, and specific qPCR assay using new primers and a probe to detect trace DNA of *Anopheles gambiae* complex mosquitoes in dietary and environmental samples, thereby enabling advances in mosquito ecological research and vector-control strategies.

Hemprich-Bennett, D. R., Alves, G., Bailey, A., Aboagye-Antwi, F., Lewis, O., Hackett, T. D.2026-03-04
📄 molecular biology

Myofibroblast lineage mapping and inhibiting subretinal fibrosis by targeting SMAD3 and MRTF pathways via microRNA-24 functional study

This study identifies multiple cell lineages as contributors to myofibroblast-mediated subretinal fibrosis in AMD and demonstrates that restoring downregulated miR-24 or combining SMAD3 and MRTF inhibitors effectively suppresses fibrosis by targeting key TGF-β and PAK4/LIMK2 signaling pathways.

Wu, Y., Tong, Y., Byrnes, K. G., Zhou, Q., Dong, C., Benjamin, C., Parker, E., Bao, D., Ren, Z., Anderson, C. A., Ufret- (…)2026-03-04