Related Experiment Video
Updated: Jun 9, 2026
12:33
Optimization and Comparative Analysis of Plant Organellar DNA Enrichment Methods Suitable for Next-generation Sequencing
Published on: July 28, 2017
Chloroplast genome sequences from total DNA for plant identification
Catherine J Nock1, Daniel L E Waters, Mark A Edwards
1Centre for Plant Conservation Genetics, Southern Cross University, Lismore, NSW, Australia.
Plant Biotechnology Journal
|August 28, 2010
Summary
Analyzing chloroplast DNA using massively parallel sequencing (MPS) offers a cost-effective method for plant barcoding and understanding genetic relationships. This approach may provide the single DNA barcode needed for all plant species identification.
Area of Science:
- Genomics
- Plant Science
- Bioinformatics
Background:
- Chloroplast DNA sequence data are crucial for plant identification, barcoding, and establishing genetic relationships.
- Previous methods using specific chloroplast loci have limitations in distinguishing all plant species.
- Advances in DNA sequencing technology enable large-scale genome comparisons.
Purpose of the Study:
- To propose and evaluate the analysis of chloroplast genome sequences from massively parallel sequencing (MPS) of total DNA as a simple, cost-effective method for plant barcoding.
- To analyze plant relationships and guide gene discovery for biotechnology.
- To identify a potential single-locus DNA barcode for plants.
Main Methods:
- Utilized massively parallel sequencing (MPS) of total DNA from five grass species.
- Analyzed chloroplast genome sequences derived from MPS data.
- Established phylogenetic relationships between the species based on chloroplast genome data.
Main Results:
- Successfully generated chloroplast genome sequences from MPS of total DNA for five grass species.
- Accurately established phylogenetic relationships among the studied grass species.
- Identified and corrected an error in the published rice chloroplast sequence.
Conclusions:
- Analysis of chloroplast genome sequences from MPS of total DNA is a viable and cost-effective option for plant barcoding and relationship analysis.
- The chloroplast genome shows potential as a single-locus DNA barcode for plants.
- This approach can guide gene discovery for biotechnological applications.
Related Concept Videos
02:16Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes
The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
02:54Evolutionary 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...
02:19Export of Mitochondrial and Chloroplast Genes
A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred irrespective...
01:29Non-nuclear Inheritance
Most DNA resides in the nucleus of a cell. However, some organelles in the cell cytoplasm—such as chloroplasts and mitochondria—also have their own DNA. These organelles replicate their DNA independently of the nuclear DNA of the cell in which they reside. Non-nuclear inheritance describes the inheritance of genes from structures other than the nucleus.
01:08The Anatomy of Chloroplasts
Green algae and plants, including green stems and unripe fruit, harbor specialized organelles called chloroplasts to carry out photosynthesis. They coordinate both stages of photosynthesis — the light-dependent reactions and the light-independent reactions. The light-dependent reactions use sunlight to release oxygen and produce chemical energy in the form of ATP and NADPH, and the light-independent reactions capture CO2 and use ATP and NADPH to produce sugar.
Structure of Chloroplasts
A...
Structure of Chloroplasts
A...
01:07Anatomy of Chloroplasts
Green algae and plants, including green stems and unripe fruit, harbor chloroplasts—the vital organelles where photosynthesis takes place. In plants, the highest density of chloroplasts is found in the mesophyll cells of leaves.