English
Related papers

Related papers: ViralVectors: Compact and Scalable Alignment-free …

200 papers

Applying a ML approach to the temporal variability of the Spike protein sequence enables us to identify, classify and track emerging virus variants. Our analysis is unbiased, in the sense that it does not require any prior knowledge of the…

Viral sequence classification is an important task in pathogen detection, epidemiological surveys and evolutionary studies. Statistical learning methods are widely used to classify and identify viral sequences in samples from environments.…

Machine Learning · Computer Science 2024-05-30 Amine M. Remita , Abdoulaye Baniré Diallo

Sequential Monte Carlo (SMC) samplers for reward-guided diffusion models often suffer from rapid lineage collapse: a few high-reward particles dominate the population within a handful of resampling steps, destroying diversity and degrading…

Artificial Intelligence · Computer Science 2026-05-13 Shivanshu Shekhar , Sagnik Mukherjee , Jia Yi Zhang , Tong Zhang

Recent studies reveal even the smallest genomes such as viruses evolve through complex and stochastic processes, and the assumption of independent alleles is not valid in most applications. Advances in sequencing technologies produce…

Populations and Evolution · Quantitative Biology 2017-10-30 Hyunjin Shim

Due to SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) being a novel virus, there are currently no known effective antiviral drugs capable of slowing its progress. To accelerate the discovery of potential drug candidates,…

Biomolecules · Quantitative Biology 2020-09-29 Lokesh Agrawal , Thanasis Poullikkas , Scott Eisenhower , Carlo Monsanto , Ranjith Kumar Bakku

We aim to separate the generative factors of data into two latent vectors in a variational autoencoder. One vector captures class factors relevant to target classification tasks, while the other vector captures style factors relevant to the…

Machine Learning · Computer Science 2020-03-17 Bo-Kyeong Kim , Sungjin Park , Geonmin Kim , Soo-Young Lee

Specific elements of viral genomes regulate interactions within host cells. Here, we calculated the secondary structure content of >2500 coronaviruses and computed >100000 human protein interactions with severe acute respiratory syndrome…

Biomolecules · Quantitative Biology 2020-04-30 Andrea Vandelli , Michele Monti , Edoardo Milanetti , Riccardo Delli Ponti , Gian Gaetano Tartaglia

Scalable Vector Graphics (SVG) is widely used in front-end development and UI/UX design due to its scalability, editability, and rendering efficiency. However, turning creative ideas into precise vector graphics remains a time-consuming…

Machine Learning · Computer Science 2025-08-14 Feiyu Wang , Zhiyuan Zhao , Yuandong Liu , Da Zhang , Junyu Gao , Hao Sun , Xuelong Li

Real-time viral genome detection, taxonomic classification and phylogenetic analysis are critical for efficient tracking and control of viral pandemics such as Covid-19. However, the unprecedented and still growing amounts of viral genome…

Machine Learning · Computer Science 2022-10-28 Zuher Jahshan , Can Alkan , Leonid Yavits

Summary: The CoV-Spectrum website supports the identification of new SARS-CoV-2 variants of concern and the tracking of known variants. Its flexible amino acid and nucleotide mutation search allows querying of variants before they are…

Populations and Evolution · Quantitative Biology 2021-12-28 Chaoran Chen , Sarah Nadeau , Michael Yared , Philippe Voinov , Ning Xie , Cornelius Roemer , Tanja Stadler

Protein-protein interaction (PPI) networks have been used to investigate the influence of SARS-CoV-2 viral proteins on the function of human cells, laying out a deeper understanding of COVID--19 and providing ground for drug repurposing…

Biological Physics · Physics 2020-08-25 Arsham Ghavasieh , Sebastiano Bontorin , Oriol Artime , Manlio De Domenico

The recent development of metagenomic sequencing makes it possible to sequence microbial genomes including viruses in an environmental sample. Identifying viral sequences from metagenomic data is critical for downstream virus analyses. The…

Genomics · Quantitative Biology 2018-06-21 Jie Ren , Kai Song , Chao Deng , Nathan A. Ahlgren , Jed A. Fuhrman , Yi Li , Xiaohui Xie , Fengzhu Sun

We introduce a novel sequential modeling approach which enables learning a Large Vision Model (LVM) without making use of any linguistic data. To do this, we define a common format, "visual sentences", in which we can represent raw images…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Yutong Bai , Xinyang Geng , Karttikeya Mangalam , Amir Bar , Alan Yuille , Trevor Darrell , Jitendra Malik , Alexei A Efros

A pipeline to evaluate the evolution of viral dynamics based on a new model-driven approach has been developed in the present study. The proposed methods exploit real data and the multiscale structure of the infection dynamics to provide…

Populations and Evolution · Quantitative Biology 2025-11-25 Andrea Bondesan , Antonio Piralla , Elena Ballante , Antonino Maria Guglielmo Pitrolo , Silvia Figini , Fausto Baldanti , Mattia Zanella

Genomic surveillance of infectious diseases allows monitoring circulating and emerging variants and quantifying their epidemic potential. However, due to the high costs associated with genomic sequencing, only a limited number of samples…

The aim of the study is to analyze viruses using parameters obtained from distributions of nucleotide sequences in the viral RNA. Seeking for the input data homogeneity, we analyze single-stranded RNA viruses only. Two approaches are used…

Other Quantitative Biology · Quantitative Biology 2022-04-25 Mykola Husev , Andrij Rovenchak

Accurate and reliable forecasting of emerging dominant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants enables policymakers and vaccine makers to get prepared for future waves of infections. The last three waves of…

Populations and Evolution · Quantitative Biology 2022-10-19 Jiahui Chen , Rui Wang , Yuta Hozumi , Gengzhuo Liu , Yuchi Qiu , Xiaoqi Wei , Guo-Wei Wei

CovID-19 genetics analysis is critical to determine virus type,virus variant and evaluate vaccines. In this paper, SARS-Cov-2 RNA sequence analysis relative to region or territory is investigated. A uniform framework of sequence SVM model…

Quantitative Methods · Quantitative Biology 2021-01-12 Jingwei Liu

Predicting the future evolutionary trajectory of SARS-CoV-2 remains a critical challenge, particularly due to the pivotal role of spike protein mutations. It is therefore essential to develop evolutionary models capable of continuously…

Quantitative Methods · Quantitative Biology 2025-10-06 Liaofu Luo , Jun Lv

RNA virus (e.g., SARS-CoV-2) evolves in a complex manner. Studying RNA virus evolution is vital for understanding molecular evolution and medicine development. Scientists lack, however, general frameworks to characterize the dynamics of RNA…

Populations and Evolution · Quantitative Biology 2022-04-20 Xiaofei Ge , Kaichao You , Zeren Tan , Hedong Hou , Yang Tian , Pei Sun