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DNA Isolation

DNA Isolation

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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Related Experiment Video

Updated: May 3, 2026

Filtration Isolation of Nucleic Acids: A Simple and Rapid DNA Extraction Method

Filtration Isolation of Nucleic Acids: A Simple and Rapid DNA Extraction Method

Published on: August 6, 2016

A rapid DNA extraction method suitable for human papillomavirus detection.

Brian Brestovac¹, Michelle E Wong, Paul S Costantino

¹School of Biomedical Sciences, CHIRI Biosciences Research Precinct, Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia.

Journal of Medical Virology

|January 21, 2014

Summary

The XytXtract Tissue kit efficiently extracts human papillomavirus (HPV) DNA from cervical samples, proving more sensitive than the QIAamp method for HPV detection in screening protocols.

Keywords:

XytXtract cervical cancer human papillomavirus liquid based cytology

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Last Updated: May 3, 2026

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Published on: August 6, 2016

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Published on: March 11, 2014

Area of Science:

Molecular Biology
Virology
Gynecologic Oncology

Background:

Oncogenic human papillomavirus (HPV) infection is essential for cervical cancer development.
HPV DNA testing complements traditional cervical cytology screening.
Accurate HPV DNA detection requires sensitive extraction methods for viral load, genotyping, and prevalence studies.

Purpose of the Study:

To evaluate the XytXtract Tissue kit for extracting HPV DNA.
To compare the sensitivity and efficiency of XytXtract against a standard DNA extraction method.

Main Methods:

DNA extraction from HPV-infected cell lines (HeLa, Caski) and liquid-based cervical samples using XytXtract Tissue kit.
Comparison of DNA extraction with QIAamp DNA mini kit.
HPV Polymerase Chain Reaction (PCR) assay on serially diluted DNA extracts.

Main Results:

Successful HPV DNA detection in cell lines and cervical samples using XytXtract.
XytXtract demonstrated higher sensitivity than QIAamp, confirmed by serial dilution assays.
XytXtract is a closed system, potentially avoiding DNA loss associated with spin column methods.

Conclusions:

The XytXtract Tissue kit is a suitable, sensitive, and efficient method for HPV DNA extraction.
Its rapid and cost-effective nature makes it valuable for HPV testing in cervical cancer screening.
XytXtract offers an advantage over spin column methods by potentially minimizing DNA loss.