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iM-Seeker: a webserver for DNA i-motifs prediction and scoring via automated machine learning

Yu, Haopeng; Li, Fan; Yang, Bibo; Qi, Yiman; Guneri, Dilek; Chen, Wenqian; Waller, Zoe AE; ... Ding, Yiliang; + view all (2024) iM-Seeker: a webserver for DNA i-motifs prediction and scoring via automated machine learning. Nucleic Acids Research 10.1093/nar/gkae315. (In press). Green open access

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Abstract

DNA, beyond its canonical B-form double helix, adopts various alternative conformations, among which the i-motif, emerging in cytosine-rich sequences under acidic conditions, holds significant biological implications in transcription modulation and telomere biology. Despite recognizing the crucial role of i-motifs, predictive software for i-motif forming sequences has been limited. Addressing this gap, we introduce 'iM-Seeker', an innovative computational platform designed for the prediction and evaluation of i-motifs. iM-Seeker exhibits the capability to identify potential i-motifs within DNA segments or entire genomes, calculating stability scores for each predicted i-motif based on parameters such as the cytosine tracts number, loop lengths, and sequence composition. Furthermore, the webserver leverages automated machine learning (AutoML) to effortlessly fine-tune the optimal i-motif scoring model, incorporating user-supplied experimental data and customised features. As an advanced, versatile approach, 'iM-Seeker' promises to advance genomic research, highlighting the potential of i-motifs in cell biology and therapeutic applications. The webserver is freely available at https://im-seeker.org.

Type: Article
Title: iM-Seeker: a webserver for DNA i-motifs prediction and scoring via automated machine learning
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1093/nar/gkae315
Publisher version: http://dx.doi.org/10.1093/nar/gkae315
Language: English
Additional information: © The Author(s) 2024. Published by Oxford University Press on behalf of Nucleic Acids Research. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/)
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy > Pharma and Bio Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/10191833
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