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Secondary contact between divergent populations or incipient species may result in the exchange and introgression of genomic material. We develop a simple DNA sequence measure, called Gmin, which is designed to identify genomic regions…

Populations and Evolution · Quantitative Biology 2017-02-08 Anthony J. Geneva , Sarah B. Kingan , Daniel Garrigan

DNA methylation is a significant driver of cell-type heterogeneity and has been implicated in various regulatory processes ranging from cell differentiation to imprinting. As the methyl group is embedded in the DNA molecule, assessing DNA…

Quantitative Methods · Quantitative Biology 2023-04-13 Aleksa Krsmanovic

Molecular and morphological characters, as important parts of biological taxonomy, are contradictory but need to be integrated. Organism's image recognition and bioinformatics are emerging and hot problems nowadays but with a gap between…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Jiewen Xiao , Wenbin Liao , Ming Zhang , Jing Wang , Jianxin Wang , Yihua Yang

We discuss two new approaches to extract relevant biological information on the Transcription Factors (and in particular to identify their binding sequences) from the statistical distribution of oligonucleotides in the upstream region of…

Biological Physics · Physics 2007-05-23 M. Caselle , F. Di Cunto , M. Pellegrino , P. Provero

Inter-and intra-observer variation in delineating regions of interest (ROIs) occurs because of differences in expertise level and preferences of the radiation oncologists. We evaluated the accuracy of a segmentation model using the U-Net…

Podocytes, specialized epithelial cells that envelop the glomerular capillaries, play a pivotal role in maintaining renal health. The current description and quantification of features on pathology slides are limited, prompting the need for…

Quantitative Methods · Quantitative Biology 2023-08-15 Jiayuan Chen , Yu Wang , Ruining Deng , Quan Liu , Can Cui , Tianyuan Yao , Yilin Liu , Jianyong Zhong , Agnes B. Fogo , Haichun Yang , Shilin Zhao , Yuankai Huo

Determining the localization of specific protein in human cells is important for understanding cellular functions and biological processes of underlying diseases. Among imaging techniques, high-throughput fluorescence microscopy imaging is…

Computer Vision and Pattern Recognition · Computer Science 2019-02-01 Yijun Tian

Geometric moment invariants (GMIs) have been widely used as basic tool in shape analysis and information retrieval. Their structure and characteristics determine efficiency and effectiveness. Two fundamental building blocks or generating…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Erbo Li , Yazhou Huang , Dong Xu , Hua Li

Portrait Stylization aims to imbue portrait photos with vivid artistic effects drawn from style examples. Despite the availability of enormous training datasets and large network weights, existing methods struggle to maintain geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Xinrui Wang , Zhuoru Li , Xiao Zhou , Yusuke Iwasawa , Yutaka Matsuo

A self-organizing approach is proposed for gene finding based on the model of codon usage for coding regions and positional preference for noncoding regions. The symmetry between the direct and reverse coding regions is adopted for reducing…

Biological Physics · Physics 2007-05-23 Fang Wu , Wei-Mou Zheng

A single gene can encode for different protein versions through a process called alternative splicing. Since proteins play major roles in cellular functions, aberrant splicing profiles can result in a variety of diseases, including cancers.…

Genomics · Quantitative Biology 2021-03-09 Alvin Chan , Anna Korsakova , Yew-Soon Ong , Fernaldo Richtia Winnerdy , Kah Wai Lim , Anh Tuan Phan

Terpene synthases (TPS) are a key family of enzymes responsible for generating the diverse terpene scaffolds that underpin many natural products, including front-line anticancer drugs such as Taxol. However, de novo TPS design through…

The accurate classification of lymphoma subtypes using hematoxylin and eosin (H&E)-stained tissue is complicated by the wide range of morphological features these cancers can exhibit. We present LymphoML - an interpretable machine learning…

The purpose was to investigate the spatial heterogeneity of prostate-specific membrane antigen (PSMA) positron emission tomography (PET) uptake within parotid glands. We aim to quantify patterns in well-defined regions to facilitate further…

Medical Physics · Physics 2024-04-25 Caleb Sample , Carlos Uribe , Arman Rahmim , François Bénard , Jonn Wu , Haley Clark

Prostate cancer is one of the most prevalent cancers worldwide. One of the key factors in reducing its mortality is based on early detection. The computer-aided diagnosis systems for this task are based on the glandular structural analysis…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Julio Silva-Rodríguez , Elena Payá-Bosch , Gabriel García , Adrián Colomer , Valery Naranjo

Statistical models for families of evolutionary related proteins have recently gained interest: in particular pairwise Potts models, as those inferred by the Direct-Coupling Analysis, have been able to extract information about the…

Biomolecules · Quantitative Biology 2019-09-25 Kai Shimagaki , Martin Weigt

The problem of detecting a binding site -- a substring of DNA where transcription factors attach -- on a long DNA sequence requires the recognition of a small pattern in a large background. For short binding sites, the matching probability…

Genomics · Quantitative Biology 2009-11-13 Daniela Bianchi , Brunello Tirozzi

This study presents a multi-faceted approach combining stereotactic biopsy with standard clinical open-craniotomy for sample collection, voxel-wise analysis of MR images, regression-based Generalized Additive Models (GAM), & whole-exome…

This paper reports about an approach to the classification of proteins' primary structures taking advantage of the Self Organizing Maps algorithm and of a numerical coding of the aminoacids based upon their physico-chemical properties.…

Biological Physics · Physics 2007-05-23 P. Sirabella , A. Giuliani , A. Colosimo

Neuropathological analyses benefit from spatially precise volumetric reconstructions that enhance anatomical delineation and improve morphometric accuracy. Our prior work has shown the feasibility of reconstructing 3D brain volumes from 2D…