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| Open AccessPathway centric analysis for single-cell RNA-seq and spatial transcriptomics data with GSDensity
Clustering-based analysis has limited power in highly dynamic single-cell data, which is a common situation in tumour samples. Here, authors introduce GSDensity, enabling pathway-centric analysis for the direct integration of data with their domain knowledge.
- Qingnan Liang
- , Yuefan Huang
- & Ken Chen
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Article
| Open AccessPotent latency reversal by Tat RNA-containing nanoparticle enables multi-omic analysis of the HIV-1 reservoir
Reactivating latent HIV reservoirs could be beneficial towards a functional cure. Here, the authors show that Tat-LNP effectively reactivates HIV while preserving the cell transcriptome. Upon reactivation, p24+ cells exhibit distinct genes and pathways potentially contributing to their persistence.
- Marion Pardons
- , Basiel Cole
- & Linos Vandekerckhove
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Article
| Open AccessWhole-genome sequencing reveals the molecular implications of the stepwise progression of lung adenocarcinoma
Current sequencing technologies can shed light on the stepwise progression of lung adenocarcinoma. Here, the authors characterize tumor progression in lung adenocarcinomas from an early stage using short and long read whole-genome sequencing, bulk and spatial transcriptomics, and epigenomics.
- Yasuhiko Haga
- , Yoshitaka Sakamoto
- & Ayako Suzuki
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Article
| Open AccessA patterned human primitive heart organoid model generated by pluripotent stem cell self-organization
Pluripotent stem cell-derived organoids can recapitulate significant hallmarks of human organ development and are becoming critical tools for human research. Here, the authors report significant technical steps for generating sophisticated synthetic human primitive heart organoids.
- Brett Volmert
- , Artem Kiselev
- & Aitor Aguirre
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Article
| Open AccessSTalign: Alignment of spatial transcriptomics data using diffeomorphic metric mapping
Spatial transcriptomics (ST) enables gene expression characterisation within tissue sections, but comparing across sections and technologies remains challenging. Here, authors develop STalign to spatially align ST data and demonstrate applications including aligning to common coordinate frameworks.
- Kalen Clifton
- , Manjari Anant
- & Jean Fan
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Article
| Open AccessSecretory GFP reconstitution labeling of neighboring cells interrogates cell–cell interactions in metastatic niches
Methodologies to study the mechanisms of cell–cell interactions in metastatic niches remain scarce. Here, the authors develop a secretory GFP reconstitution-based system to tag tissue-resident cells neighboring on cancer cells within the metastatic niche.
- Misa Minegishi
- , Takahiro Kuchimaru
- & Satoshi Nishimura
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| Open AccessSpatial transcriptomics deconvolution at single-cell resolution using Redeconve
Computational deconvolution with single-cell RNA sequencing data as a reference is pivotal for interpreting spatial transcriptomics data. Here, authors present Redeconve, which improves the resolution by more than 100-fold with higher accuracy and speed.
- Zixiang Zhou
- , Yunshan Zhong
- & Xianwen Ren
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Article
| Open AccessUtilizing river and wastewater as a SARS-CoV-2 surveillance tool in settings with limited formal sewage systems
COVID-19 has impacted health systems unequally and widespread SARS-CoV-2 testing for community surveillance has been limited globally. This work in Malawi highlights how river and wastewater can be used to detect emerging SARS-CoV-2 waves, identify variants of concern, and provide an early warning system.
- Kayla G. Barnes
- , Joshua I. Levy
- & Nicholas Feasey
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Article
| Open AccessPhenoSV: interpretable phenotype-aware model for the prioritization of genes affected by structural variants
Here, authors present PhenoSV, a phenotype-aware machine-learning model for the functional interpretation of various types of structural variants (SVs) and genes within or outside SVs, facilitating the extraction of biological insights from coding and noncoding SVs.
- Zhuoran Xu
- , Quan Li
- & Kai Wang
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Article
| Open AccessDetection of isoforms and genomic alterations by high-throughput full-length single-cell RNA sequencing in ovarian cancer
Long-read single-cell RNA sequencing is capable of detecting isoform-level gene expression and genomic alterations such as mutations and gene fusions, thereby providing cell-specific genotype-phenotype information. Here, the authors use long-read scRNA-seq on metastatic ovarian cancer samples and detect cell-type specific isoforms and gene fusions that may otherwise be misclassified in short-read data.
- Arthur Dondi
- , Ulrike Lischetti
- & Niko Beerenwinkel
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| Open AccessSPACEL: deep learning-based characterization of spatial transcriptome architectures
Spatial transcriptomics (ST) technologies detect transcript distribution in space. Here, authors present a deep learning based method SPACEL for cell type deconvolution, spatial domain identification and 3D alignment, showcasing it as a valuable toolkit for ST data analysis
- Hao Xu
- , Shuyan Wang
- & Kun Qu
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Article
| Open AccessTargetable lesions and proteomes predict therapy sensitivity through disease evolution in pediatric acute lymphoblastic leukemia
The role of clonal evolution on the actionable proteome and response to therapy in childhood acute lymphoblastic leukemia (ALL) remains unknown. Here, targeted sequencing and proteomic analysis of paired ALL diagnosis and relapsed samples revealed PARP1 as a potential therapeutic target.
- Amanda C. Lorentzian
- , Jenna Rever
- & Philipp F. Lange
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Article
| Open AccessHigh-sensitive spatially resolved T cell receptor sequencing with SPTCR-seq
Understanding T cell behaviour in cancers is vital for improving immunotherapies. Here, the authors present spatially resolved T cell receptor sequencing (SPTCR-seq), a technology that annotates T cell receptors within the tumour ecosystem.
- Jasim Kada Benotmane
- , Jan Kueckelhaus
- & Dieter Henrik Heiland
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Article
| Open AccessMucosal-associated invariant T cells contribute to suppression of inflammatory myeloid cells in immune-mediated kidney disease
Mucosal associated invariant T (MAIT) cells reside in barrier organs, but their contribution to inflammatory processes in the kidneys is not fully known. Here authors find by single cell RNA sequencing that among the different MAIT cell subtypes found at steady state, a population with MAIT17 signature is expanded in both human crescentic glomerulonephritis and its mouse model, and these cells may play protective role in the disease.
- Ann-Christin Gnirck
- , Marie-Sophie Philipp
- & Jan-Eric Turner
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Article
| Open AccessDimension-agnostic and granularity-based spatially variable gene identification using BSP
Identifying spatially variable genes (SVGs) is essential for linking molecular cell functions with tissue phenotypes. Here, authors introduce a non-parametric model that detects SVGs from two or three-dimensional spatial transcriptomics data by comparing gene expression patterns at granularities.
- Juexin Wang
- , Jinpu Li
- & Dong Xu
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Article
| Open AccessEASTR: Identifying and eliminating systematic alignment errors in multi-exon genes
The study reveals limitations in widely used RNA-seq aligners, which create 'phantom' introns in reference databases. The authors introduce EASTR, a computational tool that not only enhances alignment accuracy but also uncovers existing annotation errors. This improvement bolsters the dependability of subsequent RNA-seq analyses.
- Ida Shinder
- , Richard Hu
- & Mihaela Pertea
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Article
| Open AccessMePMe-seq: antibody-free simultaneous m6A and m5C mapping in mRNA by metabolic propargyl labeling and sequencing
Methylation is the dominant modification in mRNA and occurs at a variety of sites. Here, Hartstock et al. show that a clickable analogue of the key cosubstrate S-adenosyl-L-methionine (SAM) can be produced in cells, allowing for identification and mapping of different methylated nucleosides in mRNA.
- Katja Hartstock
- , Nadine A. Kueck
- & Andrea Rentmeister
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Article
| Open AccessIL-21R-STAT3 signalling initiates a differentiation program in uterine tissue-resident NK cells to support pregnancy
Uterine natural killer (NK) cells support tissue homeostasis in the uterus during pregnancy, but it is not fully known how they differentiate into potentially cytotoxic effector cells while avoiding tissue damage. Here authors show that Il21 receptor signalling via STAT3 activation governs their differentiation, while an apoptotic cell death program ensures that harm is limited.
- Mengwei Han
- , Luni Hu
- & Chao Zhong
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Article
| Open AccessSystematic analysis of paralogous regions in 41,755 exomes uncovers clinically relevant variation
Chameleolyser enables the accurate identification of genetic variants hidden within complex regions of the genome. Its application uncovers the disease-explanatory variant in 25 previously undiagnosed patients.
- Wouter Steyaert
- , Lonneke Haer-Wigman
- & Christian Gilissen
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Article
| Open AccessEnzymatic synthesis and nanopore sequencing of 12-letter supernumerary DNA
Unnatural base pairing xenonucleic acids (XNAs) can be used to expand life’s alphabet beyond ATGC. Here, authors show strategies for enzymatic synthesis and next-generation nanopore sequencing of XNA base pairs for reading and writing 12-letter DNA (ATGCBSPZXKJV).
- Hinako Kawabe
- , Christopher A. Thomas
- & Jorge A. Marchand
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Article
| Open AccessMass production of lumenogenic human embryoid bodies and functional cardiospheres using in-air-generated microcapsules
Current methods to generate spheroids are associated with low production throughputs, limiting clinical and industrial translation. Here the authors present a clean ultra-high-throughput in-air microfluidic platform for mass production of lumenogenic embryoid bodies and functional cardiospheres.
- Bas van Loo
- , Simone A. ten Den
- & Jeroen Leijten
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| Open AccessA spatial sequencing atlas of age-induced changes in the lung during influenza infection
Ageing is known to impair the immune response against infectious pathogens. Here, Kasmani et al. present a spatial and transcriptomic atlas of immune changes in the lungs of young and aged mice in response to influenza virus infection.
- Moujtaba Y. Kasmani
- , Paytsar Topchyan
- & Weiguo Cui
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Article
| Open AccessmRNA vaccine quality analysis using RNA sequencing
mRNA vaccines must be rigorously analysed to measure their integrity and detect contaminants, which can be time-consuming and costly. Here, authors describe a method to analyse mRNA vaccine quality using long-read sequencing and a custom bioinformatic pipeline.
- Helen M. Gunter
- , Senel Idrisoglu
- & Tim R. Mercer
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Article
| Open AccessA landscape of complex tandem repeats within individual human genomes
Haplotype-resolved long, complex tandem repeats remain largely hidden despite their potential relevance to disease. Here, the authors reveal and analyze the genome-wide landscape of these repeats using a high-precision algorithm.
- Kazuki Ichikawa
- , Riki Kawahara
- & Shinichi Morishita
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Article
| Open AccessSystematic transcriptional analysis of human cell lines for gene expression landscape and tumor representation
During preclinical drug development, the ability of cancer cell lines to faithfully model human disease is important for identifying potential therapeutic strategies. Here, using transcriptomic datasets of over 1000 cell lines, the authors evaluate how representative each line is of its cancer type and present their cell line selection tool.
- Han Jin
- , Cheng Zhang
- & Adil Mardinoglu
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Article
| Open AccessMetagenomic sequencing of post-mortem tissue samples for the identification of pathogens associated with neonatal deaths
Rapid identification of pathogens in neonatal infection, and corresponding antimicrobial susceptibility profiles, would improve patient outcomes and assist in antibiotic stewardship. In this work, the authors utilize metagenomic next-generation sequencing of post-mortem tissue samples to identify pathogens associated with neonatal deaths.
- Vicky L. Baillie
- , Shabir A. Madhi
- & Courtney P. Olwagen
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| Open AccessBarcoded multiple displacement amplification for high coverage sequencing in spatial genomics
Spatial genomics offers insights into cellular interactions within tissues. Here, the authors develop barcoded multiple displacement amplification, achieving high-coverage sequencing to map complex genomic variations within cellular landscapes.
- Jinhyun Kim
- , Sungsik Kim
- & Sunghoon Kwon
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| Open AccessProjecting RNA measurements onto single cell atlases to extract cell type-specific expression profiles using scProjection
Many expression deconvolution approaches have been developed to estimate % RNA contributions of diverse cell types to mixed RNA measurements. Here, the authors have developed a complementary approach called scProjection to recover cell type-specific expression profiles from mixed RNA measurements.
- Nelson Johansen
- , Hongru Hu
- & Gerald Quon
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Article
| Open AccessLong-read whole-genome analysis of human single cells
Here the authors introduce a new method to study DNA in single cells by long-read sequencing. Their method gives a more complete view of the genomic structure of individual cells and allows to study genetic differences at the single-cell level.
- Joanna Hård
- , Jeff E. Mold
- & Adam Ameur
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Article
| Open AccessDroplet-based high-throughput single microbe RNA sequencing by smRandom-seq
Population level transcriptomics measurements miss bacterial heterogeneity. Here the authors report smRandom-seq, a droplet-based high-throughput single-microbe RNA-seq assay, using random primers for in situ cDNA generation, droplets for single-microbe barcoding, and CRISPR-based rRNA depletion.
- Ziye Xu
- , Yuting Wang
- & Yongcheng Wang
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Article
| Open AccessSpatial transcriptomics reveal markers of histopathological changes in Duchenne muscular dystrophy mouse models
Duchenne muscular dystrophy is a fatal neuromuscular disorder affecting one in 5000 male births. To enrich our understanding of the underlying pathology, the authors apply spatial transcriptomics on dystrophic skeletal muscle to unravel markers related to histopathological changes in Duchenne mouse models.
- L.G.M. Heezen
- , T. Abdelaal
- & P. Spitali
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| Open AccessTEQUILA-seq: a versatile and low-cost method for targeted long-read RNA sequencing
The authors report TEQUILA-seq, a versatile, easy-to-implement, and low-cost method for targeted long-read RNA sequencing. TEQUILA-seq uncovers transcript isoforms and RNA mechanisms associated with human health and disease.
- Feng Wang
- , Yang Xu
- & Lan Lin
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Article
| Open AccessspinDrop: a droplet microfluidic platform to maximise single-cell sequencing information content
Droplet microfluidics enables high-throughput single-cell sequencing, but often with increased noise. Here the authors report spinDrop (sorting picoinjection inDrop) to increase gene detection and reduce noise; they use this to generate a high-quality molecular atlas of mouse brain development.
- Joachim De Jonghe
- , Tomasz S. Kaminski
- & Florian Hollfelder
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| Open AccessSONAR enables cell type deconvolution with spatially weighted Poisson-Gamma model for spatial transcriptomics
Spatial transcriptomics reveal cellular profiles with spatial context. Here the authors present SONAR, a computational model that utilizes spatial information to decipher cell types in tissues and validate on various spatial patterns and fine-mapped cell types in complex tissues.
- Zhiyuan Liu
- , Dafei Wu
- & Liang Ma
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| Open AccessMAVS signaling is required for preventing persistent chikungunya heart infection and chronic vascular tissue inflammation
Mosquito-borne viruses are serious global public health threats associated with severe atypical cardiovascular manifestations. Here, the authors dissect how chikungunya virus directly infects cardiac tissue leading to heart disease and define key host pathways involved in viral cardiac persistence and tissue damage.
- Maria G. Noval
- , Sophie N. Spector
- & Kenneth A. Stapleford
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| Open AccessThree-dimensional molecular architecture of mouse organogenesis
Qu et al. present a detailed three-dimensional spatial transcriptome atlas of all major organs in the mouse embryo at E13.5, providing a better understanding of organ development and cellular interactions during mammalian development.
- Fangfang Qu
- , Wenjia Li
- & Guangdun Peng
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Article
| Open AccessGuided construction of single cell reference for human and mouse lung
Accurate cell-type identification is vital for single-cell analysis. Here, the authors develop a computational pipeline called “LungMAP CellRef” for efficient, automated cell-type annotation of normal and disease human and mouse lung single-cell datasets.
- Minzhe Guo
- , Michael P. Morley
- & Yan Xu
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Article
| Open AccessIncreased interregional virus exchange and nucleotide diversity outline the expansion of chikungunya virus in Brazil
Chikungunya virus is endemic in Brazil and cases have been rapidly increasing in recent years. Here, the authors describe the expansion of a genomic surveillance program across the country allowing them to characterise the emergence and dispersal of two distinct subclades mainly seeded from the north eastern region.
- Joilson Xavier
- , Luiz Carlos Junior Alcantara
- & Marta Giovanetti
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Article
| Open AccessHigh throughput single cell long-read sequencing analyses of same-cell genotypes and phenotypes in human tumors
There is a need for methods that allow the analysis of single-cell long-read sequencing data without depending on known barcode lists or short-read sequencing. Here, the authors develop scNanoGPS, a tool that can independently deconvolute long reads into single cells and single molecules, and apply it on tumour and cell line data.
- Cheng-Kai Shiau
- , Lina Lu
- & Ruli Gao
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Article
| Open AccessIndividual bat virome analysis reveals co-infection and spillover among bats and virus zoonotic potential
Viral diversity and abundance in bats are incompletely understood. Here, analyzing individual bat viromes, the authors observe a high frequency of co-infection and spillover among the animals and identify viruses with the potential to infect humans or livestock.
- Jing Wang
- , Yuan-fei Pan
- & Mang Shi
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Article
| Open AccessnnSVG for the scalable identification of spatially variable genes using nearest-neighbor Gaussian processes
The identification of top spatially variable genes is a key step in the analysis of spatially-resolved transcriptomics data. Here, the authors develop a scalable method based on nearest-neighbor Gaussian processes and evaluate performance compared to existing and baseline methods.
- Lukas M. Weber
- , Arkajyoti Saha
- & Stephanie C. Hicks
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Article
| Open AccessMaternal NAT10 orchestrates oocyte meiotic cell-cycle progression and maturation in mice
Generation of mature oocytes requires tight regulation of a discontinuous meiotic cell cycle. Here they show that the acetyltransferase Nat10 mediates modification of RNAs targeted for degradation and find that this process is essential for female oocyte meiosis and maturation.
- Xue Jiang
- , Yu Cheng
- & Jianqiang Bao
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Article
| Open AccessMultiplexed ddPCR-amplicon sequencing reveals isolated Plasmodium falciparum populations amenable to local elimination in Zanzibar, Tanzania
Sequencing malaria parasites from low density infections in small amounts of dried blood is important for large-scale genomic surveillance. Here, the authors develop and validate a highly multiplexed droplet digital PCR-based amplicon deep sequencing assay and apply it to data from Zanzibar, Tanzania.
- Aurel Holzschuh
- , Anita Lerch
- & Cristian Koepfli
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Article
| Open AccessDiploid and tetraploid genomes of Acorus and the evolution of monocots
Acorales is sister to all other monocots and contains only one family with just one genus, Acorus. Here, the authors assemble the genome of the diploid Ac. gramineus and the tetraploid Ac. calamus, reconstruct an ancestral monocot karyotype and gene toolkit, and discuss the origin and evolution of the two species and other monocots.
- Liang Ma
- , Ke-Wei Liu
- & Zhong-Jian Liu
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Article
| Open AccessThe genome of Acorus deciphers insights into early monocot evolution
Monocots are one of the most diverse and dominant clades of flowering plants. Here, the authors assemble the genome of Acorus gramineus, confirm its phylogenetic position as sister to the rest of monocots and reveal the absence of tau (τ) whole-genome duplication observed in the majority of monocot clades.
- Xing Guo
- , Fang Wang
- & Huan Liu
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Comment
| Open AccessUnravelling the genetic architecture of human complex traits through whole genome sequencing
Whole genome sequencing has enabled new insights into the genetic architecture of complex traits, especially through access to low-frequency and rare variation. This Comment highlights the key contributions from this technology and discusses considerations for its use and future perspectives.
- Ozvan Bocher
- , Cristen J. Willer
- & Eleftheria Zeggini
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Article
| Open AccessA global genomic analysis of Salmonella Concord reveals lineages with high antimicrobial resistance in Ethiopia
Authors carry out a longitudinal genomic analysis of Salmonella enterica serovar Concord isolates from various geographical locations, to reconstruct population diversity, evolution and antimicrobial resistance distribution.
- Wim L. Cuypers
- , Pieter Meysman
- & Sandra Van Puyvelde
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Article
| Open AccessRare genetic variants impact muscle strength
Here, the authors provide an exome study of hand grip strength, a proxy of generalized muscle strength. They identify six exome-wide significant genes, with links to disease, and additivity of rare and common genetic variant effects on muscle strength.
- Yunfeng Huang
- , Dora Bodnar
- & Heiko Runz
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Article
| Open AccessCo-translational binding of importins to nascent proteins
Importins are known to facilitate nucleocytoplasmic transport and cytoplasmic chaperoning of some proteins. Here, the authors uncover that these proteins also act as co-translational chaperones for specific sets of proteins, for example ribonucleic acid binding factors.
- Maximilian Seidel
- , Natalie Romanov
- & Martin Beck