NGS
FiNGS- A New Software providing Filters for Next Generation Sequencing

We use somatic variant callers to detect mutations in cancer samples by comparing sequencing data tumor and normal sample pairs. This is followed by some ad-hoc filtering that may produce low precision data resulting in a large number of false positives.
To overcome this issue, Wardell et al., [1] have developed a new software called FiNGS. This software filters somatic variants. It is a user-friendly tool that allows users to customize filters and thresholds. Users can also implement their own filtering strategies.
How does FiNGS work?
FiNGS takes BAM files of normal and tumor samples that are matched as input including a variants VCF file that enlists somatic mutations. It also takes another text file that mentions all filters and thresholds specified by the user. After processing, it outputs a VCF file along with other files that may be useful for the user [1].
FiNGS is platform-independent, easy to install, and written in Python3 which means it requires a minimum of Python3 version (Python 3.5 or higher) installed on your system. It can be downloaded via Bioconda, PyPi, or as a docker image. The source code is available on Github.
For more details, read here.
References
- Wardell, C.P., Ashby, C. & Bauer, M.A. (2021). FiNGS: high quality somatic mutations using filters for next generation sequencing. BMC Bioinformatics 22, 77.
NGS
[Tutorial] Trailing of paired end reads using Trimmomatic tool in GALAXY.

Trimmomatic is a read trimming tool for Illumina NGS data [1]. It is a flexible tool providing several functions to be operated on reads. These functions include trailing, leading, and several other quality control operations. In this article, we are going to perform trailing on NGS paired-end reads data using the GALAXY platform [2]. (more…)
NGS
How to extract methylation call using Bismark?

Bismark is bioinformatics to map bisulfite treated sequencing reads and to perform methylation calls [1]. In this article, we are going to extract methylation information from Bismark alignment outputs. (more…)
NGS
Installing PANDAseq on Ubuntu

PANDAseq is a bioinformatics tool that aligns paired-ends of Illumina sequences [1]. In this article, we are going to install PANDAseq on Ubuntu. (more…)
NGS
Installing Bismark on Ubuntu

Bismark is a bioinformatics tool to map bisulfite treated sequencing reads to a genome [1]. It also determines cytosine methylation sites. In this article, we will install Bismark on Ubuntu. (more…)
NGS
IonCRAM: New Tool for Ion Torrent Sequence Files Compression

One of the major next-generation sequencing (NGS) technologies that are most frequently used in medical research is Ion Torrent. Software for Ion Torrent machines provides output in BAM files that are huge in size. Additionally, their compression is also space expensive. (more…)
HTS
Assembly of high-throughput mRNA-Seq data: A review

Transcriptome represents the complete set of all expressed transcripts (RNA molecules) present in a cell or tissue at a given point of time. The transcriptome is always dynamic in nature and keeps on changing with time driven by the external and internal environment. (more…)
Meta Analysis
Predictive metagenomics profiling: why, what and how ?

What is predictive metagenomics profiling?
Recently, predictive metagenomics profiling (PMP) has been added to the microbial ecologist’s arsenal of strategies for probing microbial communities. (more…)
NGS
ALFALFA explained

High throughput sequencing has revolutionized the new world of bioinformatics research. Since everyone is aware of the Human Genome project in which the human genome has been sequenced, millions of species have been sequenced so far. Sequencing is a very important aspect of bioinformatics so new faster and better sequencing techniques are needed . New sequencing platforms produce biological sequence fragments faster and cheaper.
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