Related Experiment Video
Updated: Jan 1, 2026

06:40
Small-Scale Extraction of Caenorhabditis elegans Genomic DNA
Published on: June 7, 2022
5.9K
NemaFootPrinter: a web based software for the identification of conserved non-coding genome sequence regions between
Davide Rambaldi1, Alessandro Guffanti, Paolo Morandi
1IFOM-FIRC Institute of Molecular Oncology Foundation, Milan, Italy. davide.rambaldi@ifom-ieo-campus.it
BMC Bioinformatics
|December 15, 2005
Summary
NemaFootPrinter software identifies conserved non-exonic DNA segments and transcription factor binding sites in C. elegans and C. briggsae genomes. This tool aids researchers in discovering regulatory elements within rapidly evolving nematode genomes.
Area of Science:
- Genomics
- Bioinformatics
- Computational Biology
Background:
- NemaFootPrinter (Nematode Transcription Factor Scan Through Phylogenetic Footprinting) is a web-based tool.
- It focuses on identifying conserved, non-exonic DNA segments in C. elegans and C. briggsae genomes.
- The software aids in the discovery of potential transcription factor binding sites.
Purpose of the Study:
- To provide researchers with a practical and intuitive tool for identifying conserved non-exonic DNA sequences.
- To facilitate the detection of regulatory transcriptional elements between related nematode species.
- To leverage genome annotation databases and integrated web services for comparative genomics.
Main Methods:
- Automated identification of orthologous gene pairs between C. elegans and C. briggsae.
- Interactive selection of gene boundaries for pairwise sequence comparison.
- Utilizes bioinformatics tools (Blast2seq, Dotmatcher, Ssearch, rVista) for sequence similarity analysis and transcription factor binding site identification.
- Exon masking to focus on non-exonic regions.
Main Results:
- Successfully identifies orthologous genes and their surrounding DNA sequences.
- Enables graphical visualization of gene structures and sequence alignments.
- Detects conserved non-exonic segments and putative transcription factor binding sites through sequence similarity analysis.
- Automatically masks exons to highlight non-coding conserved regions.
Conclusions:
- NemaFootPrinter serves as a valuable resource for researchers studying gene regulation in nematodes.
- The conserved non-exonic sequences identified may harbor important regulatory elements.
- Demonstrates the utility of integrated genome annotation databases and web services in comparative genomics.

