Indexcov

'Indexcov' is a bioinformatics software tool that is designed to efficiently estimate whole-genome sequencing coverage. One of its main advantages is its ability to identify samples with aberrant coverage profiles, recognize potential batch effects, reveal large-scale chromosomal anomalies, and even infer the sex of a sample.

This tool uses a supplementary linear index in the BAM and CRAM formats to facilitate rapid access to sequence alignments in arbitrary genomic regions. By comparing consecutive entries in a BAM or CRAM index, it is possible to infer the number of alignment records per genomic region. This information can then be used as a proxy of sequence depth in each genomic region.

The use of Indexcov is particularly important in whole-genome sequencing studies where coverage uniformity is an essential factor. It is useful for researchers who want to ensure that their sequencing data is of high quality and that there are no issues with the sequencing process.