Discover, rate, and discuss biology preprints.
363,000+ bioRxiv and medRxiv preprints, including those later published in peer-reviewed journals, across 26 biological disciplines.
Recent preprints
- BiochemistrybioRxivPreprint
Engineering morphology of tetrasulfide-incorporated mesoporous silica nanoparticles for enhanced mRNA delivery
Zhe Cao, Silja Saarela, Jiajia Wang…·Wujun Xu
This study develops tetrasulfide-incorporated mesoporous silica nanoparticles to enhance mRNA delivery by optimizing morphology and chemistry, showing improved cellular uptake and mRNA stability.
DOI 10.64898/2026.11.03.763884 - BiochemistrybioRxivPreprint
Mapping the sequence determinants of constitutive activity in GPCRs
Matthew K Howard, Sara Whiteman, Patrick Rockefeller Grimes…·Willow Coyote-Maestas
The paper measures basal activity across the human GPCR family on a single scale and identifies key residues that influence constitutive signaling.
DOI 10.64898/2026.10.30.762644 - BiochemistrybioRxivPreprint
RNA accessibility sequencing reveals transcriptome-wide RBP binding and RNA structure
Yang Li, Chang Ye, Ruiqi Ge…·Chuan He
This paper introduces RAD-seq, a method to quantify RNA accessibility by protein binding, and shows it can detect RBP footprints and RNA structure changes under stress.
- BiochemistrybioRxivPreprint
Molecular insights into the regulation of coenzyme selection in NADP-specific glutamate dehydrogenase from Saccharomyces cerevisiae
Arpan Banerjee, Alankar Roy, Spandan Saha…·Prasenjit Bhaumik
This study investigates coenzyme specificity in yeast GDH3, showing how mutations alter coenzyme preference and revealing structural and evolutionary mechanisms of coenzyme regulation.
DOI 10.64898/2026.11.02.763619 - BiochemistrybioRxivPreprint
Aggregate Deep Visual Proteomics reveals selective organization of α-synuclein inclusions
Marc Oeller, Sabine Vasconez Grunauer, Cole S Sitron…·Matthias Mann
This study uses Aggregate Deep Visual Proteomics to show that α-synuclein inclusions selectively concentrate specific proteins in neurons, revealing their formation mechanisms and potential therapeutic targets.
DOI 10.64898/2026.10.30.763157 - BiochemistrybioRxivPreprint
Functional Reconstitution of Human OATP1B1 and OATP1B3 in Proteoliposomes: Effect of Bicarbonate Gradients and Substrate-specific Stimulation on Transport
Juan Carlos Mellado Tenorio, Stephen J. Butler, Bruno Stieger, Kaspar P Locher
This study reconstitutes OATP1B1 and OATP1B3 in proteoliposomes to show bicarbonate gradients drive substrate uptake, with EGCG enhancing OATP1B3 transport.
DOI 10.64898/2026.10.29.762842 - BiochemistrybioRxivPreprint
GNG2-MRAS interaction regulates SHOC2-dependent RAF activation and MAPK signaling
Govinda R. Navale, Bamidele Towolawi, Colin Christoff…·Zhihong Wang
This study identifies GNG2 as an inhibitor of the SMP complex by binding MRAS, disrupting its assembly and inhibiting MAPK signaling.
DOI 10.64898/2026.10.31.763144 - BiochemistrybioRxivPreprint
Actin filament bundling by the Arabidopsis VILLIN4 C-terminus involves the basic segment of the IDR linker and is sensitive to temperature and ionic strength
Stefan K. Clarke, William P. Pedersen, Jake S. Heins…·Serge L. Smirnov
This study shows that the basic segment of the AtVLN4 linker bundles actin filaments and is influenced by temperature and potassium ions.
DOI 10.64898/2026.11.02.763837 - BiochemistrybioRxivPreprint
Cryo-EM structures of Cereibacter sphaeroides ferrochelatase reveal an oligomeric state that occludes the substrate-binding site
Jack H Salisbury, Pu Qian, Yibo Jin…·Andrew Hitchcock
This study determines the cryo-EM structures of Cereibacter sphaeroides ferrochelatase, revealing oligomeric states that occlude the substrate-binding site.
DOI 10.64898/2026.11.02.762883 - BiochemistrybioRxivPreprint
A respiratory microdomain links ubiquinone biosynthesis to succinate dehydrogenase in an apicomplexan mitochondrion lacking Complex I
Baihetiya Baierna, Silvia N J Moreno
This study identifies a respiratory microdomain in Toxoplasma gondii that links ubiquinone biosynthesis to succinate dehydrogenase, revealing a unique mitochondrial organization lacking complex I.
DOI 10.64898/2026.10.31.763378 - BiochemistrybioRxivPreprint
Human senataxin uses distinct peripheral elements to unwind R-loops and act on RNA polymerase II
Matyas Lanicek, Katerina Sedova, Zdenka Hasanova…·Marek Sebesta
This study identifies distinct peripheral elements in senataxin that mediate R-loop unwinding and RNA polymerase II regulation through structural and biochemical analyses.
DOI 10.64898/2026.11.01.763451 - BiochemistrybioRxivPreprint
Mapping bacterial bile amidation across the bile salt hydrolase family
Anna E Skrip, Swati Shyam Prasad, Igor H Wierzbicki…·April Lukowski
The paper maps bacterial bile amidation by analyzing BSH transaminase activities and identifying BBAs in human samples.
DOI 10.64898/2026.11.01.763480 - BiochemistrybioRxivPreprint
A RecBCD-like enzyme regulates expression of bacterial defense operons in response to DNA damage
Lydia R Chmbers, Kishen M Patel, Minheng Gong…·Kevin D Corbett
The paper identifies a bacterial pathway, Cerberus, that uses DNA damage sensing to regulate defense operon expression through anti-sigma factor cleavage.
DOI 10.64898/2026.10.31.763320 - BiochemistrybioRxivPreprint
Uncovering the Multifaceted Role of the Kinetochore Scaffold 1 (KNL1) in Hepatocellular Carcinoma: Integrative Bioinformatics Analysis and CRISPR-Cas9 Experimental Study
Nermin M. Mohamed, Rania Hassan Mohamed, Mahmoud M. Elhefnawi, Nadia M Hamdy
This study identifies KNL1 as a key driver of chromosomal instability and immune evasion in HCC through integrative bioinformatics and CRISPR-Cas9 experiments.
DOI 10.64898/2026.10.31.763338 - BiochemistrybioRxivPreprint
Heterogeneous primary nucleation determines Aβ42 fibrilstructure.
E. Axell, S. Linse, D. Thacker
This study shows that heterogeneous primary nucleation at surfaces determines the fibril structure of Aβ42, with different structures formed in identical solutions depending on the surface type.
DOI 10.64898/2026.10.30.763098 - BiochemistrybioRxivPreprint
QC-espresso: Brewing quality in proteomics
Guilherme Pauperio Lanfredi, Jackson Gabriel Miyamoto
QC-espresso provides an automated quality-control workflow for DIA proteomics data, generating structured reports to assess acquisition quality and quantitative reliability.
DOI 10.64898/2026.10.29.762921 - BiochemistrybioRxivPreprint
Molecular crowding differentially regulates magnetic field-dependent fluorescence, recovery kinetics, and photostability of the magnetosensitive protein MagLOV2
Venkatesh Sridharan, Brian L Ross, Alessandro Lodesani
This study investigates how different molecular crowders affect the magnetic field-dependent fluorescence and recovery kinetics of MagLOV2 in E. coli lysate.
DOI 10.64898/2026.10.30.762980 - BiochemistrybioRxivPreprint
Selective binders of a cotranslational folding intermediate
Ohm Prakash, Tomas B Voisin, Alzbeta Roeselova…·David Balchin
The paper identifies cyclic peptides that selectively bind to a cotranslational folding intermediate of β-galactosidase, revealing a druggable pocket formed during translation.
DOI 10.64898/2026.10.30.763055 - BiochemistrybioRxivPreprint
Recognition of the centromere-binding protein Ndc10 by Scm3HJURP directs Cse4CENP-A deposition at native centromeres
Jiaxi Cai, Ziyi Wang, Lily Cheng…·Huilin Zhou
The paper shows Scm3HJURP facilitates Cse4CENP-A deposition at native centromeres by interacting with Ndc10, enhancing Cse4 assembly efficiency in yeast.
DOI 10.64898/2026.10.30.763002