316 papers
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.
This study demonstrates that ATG5 drives steroid-induced osteonecrosis of the femoral head by triggering excessive autophagy and PERK-mediated endoplasmic reticulum stress leading to apoptosis, and shows that targeted ATG5 silencing effectively blocks this pathological cascade to alleviate bone damage.
This study validates shotgun metagenomics for detecting soil-transmitted helminths in faecal samples, demonstrating that mitochondrial sequence mapping combined with short-read sequencing offers the highest sensitivity and specificity, although detection remains challenging for low-intensity infections.
This study elucidates the evolutionary divergence in eukaryotic DNA replication licensing by demonstrating that *Yarrowia lipolytica* utilizes a highly plastic ORC-Cdc6 complex to recognize variable origin sequences, contrasting with the rigid sequence-specific recognition in *S. cerevisiae* and providing structural insights into the conserved yet adaptable mechanisms of origin identification across species.
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.
This study establishes the first MS2-MCP-based single-molecule RNA imaging system in *Schizosaccharomyces pombe* by systematically optimizing MCP expression and localization with tandem StayGold tags, thereby enabling quantitative analysis of RNA dynamics in this key eukaryotic model organism.
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.
This study elucidates that the circZNF827-hnRNPL/K complex transcriptionally represses NGFR and other loci enriched with H3K27me3 marks during neuronal differentiation, triggering a primary regulatory event that initiates a secondary response to further promote the differentiation process.
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.
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.
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.