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Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
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Related Experiment Video

Updated: May 5, 2026

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Tolerability and Feasibility of Minimally Invasive Canine Skin Sampling: Excellent Tolerability Meets Transcriptomic

Ina Herrmann1, Lisa B Mamo1, Allison N Dickey2

  • 1Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.

Veterinary Dermatology
|January 4, 2026
PubMed
Summary
This summary is machine-generated.

Tape-stripping (TS) offers potential for canine skin transcriptomics, but RNA quality and consistency require improvement for reliable veterinary research. Further optimization of sampling and processing is crucial.

Keywords:
D‐squameRNA sequencingmicrobiopsyskin‐scrapingtape‐stripping

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Area of Science:

  • Veterinary Dermatology
  • Molecular Biology
  • Transcriptomics

Background:

  • Transcriptomic studies require minimally invasive, high-yield skin sampling methods for companion animals, especially for inflammatory skin diseases.
  • Current methods need evaluation for reproducibility and efficacy in clinical settings.

Purpose of the Study:

  • To assess the tolerability and feasibility of three minimally invasive skin sampling techniques in dogs.
  • To evaluate RNA quantity and quality obtained from each sampling method for transcriptomic applications.

Main Methods:

  • Compared microbiopsy (MB), skin-scraping (SS), and tape-stripping (TS) in nine privately-owned dogs (healthy and with atopic dermatitis).
  • Assessed sample tolerability, feasibility, RNA yield, RNA integrity number (RIN), and downstream sequencing quality.
  • Investigated potential contamination and degradation in tape-stripping samples.

Main Results:

  • All tested methods were well-tolerated and feasible in a clinical setting.
  • Microbiopsy and skin-scraping yielded low RNA quantities with poor integrity.
  • Tape-stripping provided the highest RNA concentration and integrity (RIN 3.4-7.1) but showed variability and limitations due to degradation and potential DNA contamination.

Conclusions:

  • Minimally invasive skin sampling techniques are feasible and well-tolerated in dogs.
  • Tape-stripping shows promise for canine skin transcriptomics but requires further refinement.
  • Improving RNA quality, consistency, and sample processing is essential for reliable veterinary dermatological research.