Successful storage of Trichomonas gallinae on Whatman FTA cards following culture

Thomas, Rebecca C, Dunn, Jenny, Orsman, Chris J , Morris, Antony J, Hipperson, Helen, Grice, Philip V, Hamer, Keith C and Goodman, Simon J (2022) Successful storage of Trichomonas gallinae on Whatman FTA cards following culture. Conservation Genetics Resources . ISSN 1877-7252

Full content URL: https://doi.org/10.1007/s12686-022-01263-6

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Successful storage of Trichomonas gallinae on Whatman FTA cards following culture
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Abstract

Logistical constraints concerning parasite sample storage can hinder progress with the discovery of genetic variation on a global scale. New storage methods are being developed to address this, but require testing in order to understand how widely applicable these methods are. Whatman FTA cards have been tested previously under laboratory conditions for storing low-concentration Trichomonas gallinae isolates with the conclusion that they are not suitable, but have not been tested under field conditions. Here, we conducted a field-test, comparing FTA cards with storage in ethanol for T. gallinae samples collected and cultured from wild Columbiformes in Africa using standard field methods, before transportation to the UK. After 6 months storage, both methods resulted in an overall prevalence of 100% following PCR amplification (n=59), suggesting that FTA cards are suitable for estimation of T. gallinae prevalence. However, samples stored in ethanol produced more, and longer, sequences than those stored on FTA cards. These data suggest storage in ethanol is preferable for the acquisition of high quality genetic strain data, but that FTA cards can be used successfully to ascertain infection prevalence and identify parasite strains under field conditions

Keywords:Trichomonas gallinae, Whatman FTA cards, ethanol, storage, genetic variation
Subjects:C Biological Sciences > C400 Genetics
C Biological Sciences > C111 Parasitology
C Biological Sciences > C432 Veterinary Genetics
C Biological Sciences > C100 Biology
Divisions:College of Science > School of Life Sciences
ID Code:48826
Deposited On:11 Apr 2022 13:53

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