Related Experiment Video
Updated: May 17, 2026
12:08
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
KGBassembler: a karyotype-based genome assembler for Brassicaceae species.
Chuang Ma1, Hao Chen, Mingming Xin
1School of Plant Sciences, University of Arizona, Tucson, AZ 85721, USA.
Bioinformatics (Oxford, England)
|October 10, 2012
Summary
KGBassembler is a new bioinformatic tool that aids in assembling full chromosomes for Brassicaceae species. It leverages unique chromosomal block arrangements to overcome challenges in de novo genome assembly.
Area of Science:
- Genomics
- Bioinformatics
- Plant Science
Background:
- The Brassicaceae family includes the model plant Arabidopsis thaliana and important vegetable crops.
- Whole-genome sequencing is advancing for Brassicaceae species, but de novo chromosome assembly is challenging due to a lack of genetic maps.
- Brassicaceae genomes share a conserved structure of 24 chromosomal blocks, ascertainable via karyotype analysis.
Purpose of the Study:
- To develop a bioinformatic tool for finalizing de novo chromosome assembly in Brassicaceae species.
- To utilize the conserved karyotype feature of Brassicaceae for improved genome assembly.
Main Methods:
- Developed KGBassembler, a C++ bioinformatic tool with a graphical user interface.
- KGBassembler uses available Brassicaceae karyotypes to guide the assembly of contigs and scaffolds into complete chromosomes.
Main Results:
- KGBassembler automates the final stages of chromosome assembly.
- The tool is specifically designed to leverage the unique 24-block karyotype structure of Brassicaceae.
Conclusions:
- KGBassembler offers a novel solution for assembling full chromosomes in Brassicaceae species.
- The tool facilitates more accurate and complete genome assemblies for this important plant family.
Related Concept Videos
03:36Genome 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.
01:11Genome-wide Association Studies-GWAS
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
01:59Plant Breeding and Biotechnology
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
01:17Karyotyping
Overview