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Related Concept Videos

DNA Isolation01:24

DNA Isolation

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DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
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Evolutionary Relationships through Genome Comparisons02:54

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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 12, 2025

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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Comparing DNA isolation methods for forest trees: quality, plastic footprint, and time-efficiency.

Laura Guillardín1, John J MacKay2

  • 1Department of Biology, University of Oxford, South Parks Road, Oxford, OX1 3RB, United Kingdom. laura.guillardin@biology.ox.ac.uk.

Plant Methods
|October 20, 2023
PubMed
Summary

A new DNA isolation method, MicroGEM, offers a more sustainable and efficient alternative to traditional kits for conifer species. It significantly reduces plastic waste and processing time while yielding high-quality DNA for genetic analyses.

Keywords:
DNA BarcodingDNA isolationDNA qualityForest TreesPlastic footprintSustainabilityTime-efficient

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Last Updated: Jul 12, 2025

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Area of Science:

  • Molecular Ecology
  • Conservation Genetics
  • Forestry Science

Background:

  • Increasing sample sizes in genetic studies necessitate efficient nucleic acid isolation.
  • Environmental concerns drive the need for sustainable molecular techniques.
  • Conifer species like Pseudotsuga menziesii, Tsuga heterophylla, and Thuja plicata are crucial for ecological research.

Purpose of the Study:

  • To compare the efficiency and environmental impact of two DNA isolation methods.
  • To assess DNA yield, quality, plastic footprint, and time efficiency for conifer species.
  • To identify optimal methods for genetic and genomic studies in forestry.

Main Methods:

  • Comparison of QIAGEN DNeasy plant mini kit and MicroGEM Plant DNA Extraction.
  • Optimization of DNA isolation protocols for three conifer species.
  • Assessment of DNA quantity, quality (via DNA barcoding), plastic usage, and processing time.

Main Results:

  • Both QIAGEN and MicroGEM methods yielded sufficient DNA for downstream applications.
  • QIAGEN showed higher DNA yield in Pseudotsuga menziesii and Tsuga heterophylla.
  • MicroGEM demonstrated a 52.64% lower plastic footprint and was 51.8% faster than QIAGEN, with comparable DNA quality.

Conclusions:

  • MicroGEM provides sufficient and reliable DNA for PCR and sequencing, comparable to QIAGEN.
  • MicroGEM offers significant advantages in reducing plastic waste and improving time efficiency.
  • Developing sustainable molecular methods is crucial for minimizing the environmental footprint of research.