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Updated: Mar 28, 2026

Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians
Published on: June 17, 2025
Four Neotropical frog species exhibit shared and distinct skin bacterial communities in a laboratory setting
Viraj Jansari1, Daniela A Castro-Martinez1, Melody J Dailey1
1BIO161 Organismal Biology Lab, Stanford University, Stanford, California, United States.
Abstract:
Amphibian skin microbiomes are an essential part of host physiology and pathogen defense. In this study, we identified common and distinct microbiota across four Neotropical frog species in laboratory conditions. Across frogs, we found communities dominated by Pseudomonas and Chryseobacterium . However, each frog species had a unique bacterial profile with at least one unique bacterial genus, highlighting the variability of naturally occurring amphibian skin microbiomes. These experiments were conducted by undergraduate students in an upper-division laboratory course, demonstrating how curiosity-based science education can lead to practical research experiences and new scientific insights.
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