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Genome Annotation and Assembly

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.

Next-generation Sequencing

Next-generation Sequencing

The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....

Evolutionary Relationships through Genome Comparisons

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...

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Related Experiment Video

Updated: Jul 28, 2025

Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies

Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies

Published on: August 20, 2021

GAEP: a comprehensive genome assembly evaluating pipeline.

Yong Zhang¹, Hong-Wei Lu², Jue Ruan¹

¹Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, Guangdong 518120, China.

Journal of Genetics and Genomics = Yi Chuan Xue Bao

|May 28, 2023

Summary

This summary is machine-generated.

A new Genome Assembly Evaluating Pipeline (GAEP) offers comprehensive quality assessment for genome assemblies. This tool aids researchers in comparing and selecting high-quality genome data efficiently.

Keywords:

Assembly evaluation pipeline Assembly metrics Assembly quality Assembly redundancy Genome assembly Misassembly breakpoint Misassembly detection

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Last Updated: Jul 28, 2025

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Area of Science:

Genomics and Bioinformatics
Computational Biology

Background:

Advancements in third-generation sequencing technologies have led to an increase in the number and quality of genome assemblies.
Existing computational methods for genome assembly evaluation are numerous but can be arbitrarily selected, hindering fair comparisons.
There is a need for a standardized and comprehensive approach to assess genome assembly quality.

Purpose of the Study:

To develop a comprehensive pipeline for evaluating genome assembly quality.
To provide a standardized tool for assessing genome continuity, completeness, and correctness.
To introduce new functionalities for detecting misassemblies and evaluating assembly redundancy.

Main Methods:

Development of the Genome Assembly Evaluating Pipeline (GAEP).
GAEP integrates multiple evaluation perspectives: continuity, completeness, and correctness.
Incorporation of novel functions for misassembly detection and redundancy assessment.

Main Results:

GAEP provides a comprehensive assessment of genome assembly quality.
The pipeline demonstrates strong performance in detecting misassemblies and evaluating redundancy.
GAEP facilitates accurate and reliable evaluation results for genome assemblies.

Conclusions:

GAEP addresses the limitations of arbitrary and inconvenient evaluation methods.
The pipeline enables fair comparison and selection of high-quality genome assemblies.
GAEP is publicly available, promoting wider adoption and standardization in genome evaluation.