183 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 paper presents a non-invasive protocol for determining the sex of various coleoid cephalopod species as early as three hours post-hatching by utilizing skin swabs and quantitative PCR.
This study reveals that in metazoans, the DNA helicase activation required for chromosome replication relies on the cooperative function of MCM10 and SLD-2/RECQL4, a mechanism whose disruption leads to synthetic lethality and is linked to human disease syndromes.
This study identifies TXNDC15 as a critical regulator of endoplasmic reticulum protein quality control that fine-tunes the E3-ubiquitin ligase MARCHF6 to selectively degrade excess membrane protein subunits while protecting ciliary proteins, thereby ensuring proper ciliogenesis and preventing Meckel-Gruber syndrome.
This study demonstrates that while ANGPTL3 inactivation lowers lipids independently of LDL receptor secretion, the proteolytic cleavage of ANGPTL3 and the presence of ANGPTL8 are essential for differentially inhibiting lipases to further reduce LDL-cholesterol, suggesting that dual-targeted therapies could offer superior cardiovascular benefits.
This study identifies DNA damage response proteins, particularly the helicase-like transcription factor HLTF, as key host factors that drive the formation of large internal deletions in HIV-1 proviruses, revealing a previously undescribed cellular defense mechanism that generates defective viral genomes.
This study demonstrates that temperature-sensitive variation in Wolbachia-induced cytoplasmic incompatibility across diverse Drosophila strains is partly driven by temperature-dependent cifB transcription levels rather than endosymbiont density, while also revealing strain-specific effects on developmental time and viral associations.
The paper introduces MS Andrea, a novel open modification search engine that directly identifies and scores combinations of up to four variable modifications per peptide at the PSM level without predefined lists, achieving superior identification rates and enhanced interpretability compared to existing tools like MSFragger and Sage.
This study demonstrates that the influenza A defective interfering particle OP7 acts as a potent prophylactic and therapeutic antiviral agent in human lung epithelial cells by enhancing type I interferon responses and directly suppressing viral replication, with the dominant mechanism shifting based on the infection dose.
This study elucidates the structural and functional mechanisms of the *Serratia marcescens* Type III CRISPR complex in detecting target RNA and synthesizing cA3 signaling molecules, demonstrating its potential as a highly specific diagnostic tool for identifying single nucleotide polymorphisms associated with sickle cell disease.
This study reveals that neural tissue vitrification induces selective transcriptomic vulnerability specifically affecting membrane-integrated and secretory pathway proteins, with the hippocampus showing greater sensitivity than the cortex, highlighting the need for transcript-level evaluation to optimize cryopreservation protocols.