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Related Concept Videos

Export of Mitochondrial and Chloroplast Genes02:19

Export of Mitochondrial and Chloroplast Genes

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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...
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  11. The Complete Chloroplast Genome Sequence Of An Invasive Plant, Tragopogon Dubius Scopoli (asteraceae)

The complete chloroplast genome sequence of an invasive plant, Tragopogon dubius Scopoli (asteraceae)

Yue Huang1,2, Jingjing Cao2, Mengxin Zhao2

  • 1College of Life Science, Henan Agricultural University, Zhengzhou, China.

Mitochondrial DNA. Part B, Resources
|March 15, 2024

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Novel Sequence Discovery by Subtractive Genomics
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Optimization and Comparative Analysis of Plant Organellar DNA Enrichment Methods Suitable for Next-generation Sequencing
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Optimization and Comparative Analysis of Plant Organellar DNA Enrichment Methods Suitable for Next-generation Sequencing

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View abstract on PubMed

Summary
This summary is machine-generated.

The complete chloroplast genome of invasive *Tragopogon dubius* was sequenced, revealing its genetic makeup and relationship to *Tragopogon pratensis*. This provides key data for identifying *Tragopogon* species.

Area of Science:

  • Plant genomics
  • Invasive species biology
  • Phylogenetics

Background:

  • Tragopogon dubius is an invasive plant in China, originating from Europe and western Asia.
  • Understanding the genetic diversity of invasive species is crucial for management and control strategies.

Purpose of the Study:

  • To sequence and characterize the complete chloroplast genome of Tragopogon dubius.
  • To conduct phylogenetic analysis to determine the evolutionary relationships of T. dubius.

Main Methods:

  • High-throughput next-generation sequencing was employed to obtain the chloroplast genome.
  • Bioinformatic analyses were performed to assemble the genome and identify genes.
  • Phylogenetic analysis used concatenated chloroplast protein-coding sequences.
Keywords:
Tragopogon dubiuscomplete chloroplast genomephylogenetic analysis

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Main Results:

  • The complete chloroplast genome of T. dubius is 153,017 bp long with a GC content of 38%.
  • It comprises 130 genes: 86 protein-coding, 36 tRNA, and 8 rRNA genes.
  • Phylogenetic analysis indicated that T. dubius is most closely related to Tragopogon pratensis.

Conclusions:

  • The study provides the first complete chloroplast genome sequence for T. dubius.
  • This genetic data is valuable for future phylogenetic studies and molecular identification within the Tragopogon genus.
  • The findings contribute to understanding the genetic basis of T. dubius and its relatives.