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Updated: Jan 24, 2026

Amplicon Sequencing using the Long-Read Sequencing Technologies

Amplicon Sequencing using the Long-Read Sequencing Technologies

Published on: August 29, 2025

pysradb: A Python package to query next-generation sequencing metadata and data from NCBI Sequence Read Archive.

Saket Choudhary¹

¹Computational Biology and Bioinformatics, University of Southern California, Los Angeles, California, 90089, USA.

|May 23, 2019

Summary

This summary is machine-generated.

This study introduces pysradb, a Python package simplifying programmatic access to the Sequence Read Archive (SRA). It enables researchers to easily query and download valuable sequencing data and metadata for reproducibility and novel hypothesis testing.

Keywords:

GEO NCBI NGS SRA bioinformatics metadata

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Area of Science:

Bioinformatics
Genomics
Computational Biology

Background:

The NCBI Sequence Read Archive (SRA) is a crucial public repository for next-generation sequencing data.
Reproducibility and hypothesis testing are vital in scientific research, requiring accessible data.
Current programmatic access methods for SRA data are limited, hindering efficient data retrieval.

Purpose of the Study:

To introduce pysradb, a Python package designed to facilitate programmatic access to SRA metadata and raw sequencing data.
To provide researchers with efficient tools for querying and downloading SRA datasets.
To enhance the usability of public sequencing data for scientific discovery.

Main Methods:

Development of the pysradb Python package with command-line methods.
Utilization of the SRAdb project's curated metadata database.
Demonstration of pysradb's utility through various use cases for searching and downloading SRA data.

Main Results:

pysradb offers a user-friendly interface for interacting with SRA data.
The package effectively queries and downloads both metadata and raw sequencing data from SRA.
Multiple use cases showcase the practical application and efficiency of pysradb.

Conclusions:

pysradb significantly improves programmatic access to the Sequence Read Archive.
The package empowers researchers to more readily utilize public sequencing data for their studies.
pysradb promotes data reproducibility and facilitates novel research avenues by simplifying data access.