Evidence of Immune Modulators in the Secretome of the Equine Tapeworm Anoplocephala perfoliata

Boontarikaan Wititkornkul, Benjamin J. Hulme, John J. Tomes, Nathan R. Allen, Chelsea N. Davis, Sarah D. Davey, Alan R. Cookson, Helen C. Phillips, Matthew J. Hegarty, Martin T. Swain, Peter M. Brophy, Ruth E. Wonfor*, Russell M. Morphew*

*Awdur cyfatebol y gwaith hwn

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

8 Dyfyniadau (Scopus)
146 Wedi eu Llwytho i Lawr (Pure)


Anoplocephala perfoliata is a neglected gastro-intestinal tapeworm, commonly infecting horses worldwide. Molecular investigation of A. perfoliata is hampered by a lack of tools to better understand the host–parasite interface. This interface is likely influenced by parasite derived immune modulators released in the secretome as free proteins or components of extracellular vesicles (EVs). Therefore, adult RNA was sequenced and de novo assembled to generate the first A. perfoliata transcriptome. In addition, excretory secretory products (ESP) from adult A. perfoliata were collected and EVs isolated using size exclusion chromatography, prior to proteomic analysis of the EVs, the EV surface and EV depleted ESP. Transcriptome analysis revealed 454 sequences homologous to known helminth immune modulators including two novel Sigma class GSTs, five α-HSP90s, and three α-enolases with isoforms of all three observed within the proteomic analysis of the secretome. Furthermore, secretome proteomics identified common helminth proteins across each sample with known EV markers, such as annexins and tetraspanins, observed in EV fractions. Importantly, 49 of the 454 putative immune modulators were identified across the secretome proteomics contained within and on the surface of EVs in addition to those identified in free ESP. This work provides the molecular tools for A. perfoliata to reveal key players in the host–parasite interaction within the horse host.
Iaith wreiddiolSaesneg
Rhif yr erthygle912
Nifer y tudalennau30
Rhif cyhoeddi7
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 20 Gorff 2021

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