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Updated: May 12, 2026

Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies
Published on: August 20, 2021
ELOPER: elongation of paired-end reads as a pre-processing tool for improved de novo genome assembly
David H Silver1, Shay Ben-Elazar, Alexei Bogoslavsky
1Department of Biology, Technion-Israel Institute of Technology, Haifa, Israel.
Motivation:
Paired-end sequencing resulting in gapped short reads is commonly used for de novo genome assembly. Assembly methods use paired-end sequences in a two-step process, first treating each read-end independently, only later invoking the pairing to join the contiguous assemblies (contigs) into gapped scaffolds. Here, we present ELOPER, a pre-processing tool for pair-end sequences that produces a better read library for assembly programs.
Results:
ELOPER proceeds by simultaneously considering both ends of paired reads generating elongated reads. We show that ELOPER theoretically doubles read-lengths while halving the number of reads. We provide evidence that pre-processing read libraries using ELOPER leads to considerably improved assemblies as predicted from the Lander-Waterman model.
Availability:
http://sourceforge.net/projects/eloper
Supplementary Information:
Supplementary data are available at Bioinformatics online.
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