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 reveals that the competitive binding of the transcription factor CLAMP over GAF at GA-repeat motifs on the Drosophila X chromosome drives mutually exclusive 3D chromatin looping patterns, thereby creating a specific environment that recruits the dosage compensation complex to upregulate active genes.
The authors introduce ApoFLARE, a genetically encoded luminescent reporter that enables the direct, scalable, and time-resolved quantification of APOBEC3A editing activity in living cells, overcoming the limitations of indirect or endpoint-based measurement methods.
This study reveals that the Top3-Sgs1 complex coordinates the transcription-coupled migration of Holliday junctions from Spo11-induced break sites to cohesin-associated regions of convergent transcription, where crossovers are preferentially resolved to ensure accurate meiotic chromosome segregation.
This study reveals that neural microexons in both humans and chickens rely on conserved, accessible RNA secondary structures within the branchpoint-to-3' splice site region to facilitate spliceosome assembly and regulate stage-specific splicing during neurodevelopment.
This study reveals that the garden dormouse cerebral cortex undergoes stage-specific transcriptional reprogramming during hibernation, characterized by extensive gene regulation during torpor progression and a rapid, coordinated reversal of these metabolic and proteostatic programs during early arousal to preserve neural integrity.
This paper elucidates the molecular mechanism by which coilin, the scaffolding protein of Cajal bodies, discriminates between mature and immature snRNPs through a bipartite C-terminal module comprising an RG-repeat RNA-binding region and a Tudor-like domain that specifically binds Sm proteins, thereby facilitating the sequestration of defective complexes.
This study utilizes large-scale mutational analysis to reveal how IStrons balance their dual functions of RNA-guided DNA cleavage and self-splicing, identifying a molecular convergence point at the transposon right end and demonstrating that guide RNA structural stability governs the trade-off between these competing pathways.
This study identifies the transcription factor MEF2A as a negative regulator of pancreatic beta cell maturation and function, demonstrating that its stress-induced upregulation during endoplasmic reticulum stress suppresses key beta cell identity genes and impairs insulin secretion, while its inhibition preserves beta cell function under metabolic stress.
This study utilizes a time-controllable CRISPR screening system to map the regulatory networks of key immunosuppressive surface molecules in cancer, identifying the membrane-trafficking factor DNAJC13 as a critical regulator whose suppression enhances T-cell-mediated tumor destruction and improves survival in pancreatic cancer models.
This study utilized DArTSeq genotyping and QTL mapping in a kenaf F2 population to identify significant and putative genetic loci controlling oil sorption capacity, thereby providing a foundation for marker-assisted selection to develop improved genotypes for oil spill remediation.