SLMSuite

SLMSuite segments genomic profiles to identify copy number variants (CNVs) in human genetic studies using microarray and second-generation sequencing (SGS) data.


Key Features:

  • Shifting level models (SLM): Implements SLM algorithms to segment log-transformed genomic profiles.
  • Input data: Processes log-transformed profiles derived from microarray or SGS experiments.
  • CNV detection: Delineates boundaries of regions with increased or decreased signal intensity to detect deletions and duplications.
  • Noise handling: Operates on mathematically similar noisy genomic profiles characterized by signal intensity changes.
  • Performance: Demonstrates enhanced sensitivity and specificity and improved computational speed relative to circular binary segmentation.
  • Data applicability: Validated on synthetic and real whole genome sequencing data.

Scientific Applications:

  • Copy number variant discovery: Detection and segmentation of CNVs in human genomic studies.
  • Mendelian disorder genetics: Identification of CNVs relevant to Mendelian disorders.
  • Cancer genomics: Detection of somatic copy number alterations in cancer samples.
  • Whole-genome sequencing analysis: Segmentation of synthetic and real WGS profiles from SGS or microarray experiments.

Methodology:

SLMSuite applies shifting level models to log-transformed genomic profiles from microarray or SGS experiments to segment profiles and delineate boundaries of regions with altered signal intensity.

Topics

Details

Tool Type:
library
Operating Systems:
Linux, Windows, Mac
Programming Languages:
R, Ruby, C++, Python
Added:
5/19/2018
Last Updated:
12/10/2018

Operations

Publications

Orlandini V, Provenzano A, Giglio S, Magi A. SLMSuite: a suite of algorithms for segmenting genomic profiles. BMC Bioinformatics. 2017;18(1). doi:10.1186/s12859-017-1734-5. PMID:28659129. PMCID:PMC5490196.

PMID: 28659129
PMCID: PMC5490196
Funding: - Ministero della Salute: GR-2011-02352026

Documentation