Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus

© 2017 Australian Society for Parasitology. The Australian paralysis tick (Ixodes holocyclus) secretes neuropathic toxins into saliva that induce host paralysis. Salivary glands and viscera were dissected from fully engorged female I. holocyclus ticks collected from dogs and cats with paralysis symp...

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Main Authors: Rodriguez-Valle, M., Moolhuijzen, Paula, Barrero, R., Ong, C., Busch, G., Karbanowicz, T., Booth, M., Clark, R., Koehbach, J., Ijaz, H., Broady, K., Agnew, K., Knowles, A., Bellgard, M., Tabor, A.
Format: Journal Article
Published: Elsevier 2017
Online Access:http://hdl.handle.net/20.500.11937/58758
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author Rodriguez-Valle, M.
Moolhuijzen, Paula
Barrero, R.
Ong, C.
Busch, G.
Karbanowicz, T.
Booth, M.
Clark, R.
Koehbach, J.
Ijaz, H.
Broady, K.
Agnew, K.
Knowles, A.
Bellgard, M.
Tabor, A.
author_facet Rodriguez-Valle, M.
Moolhuijzen, Paula
Barrero, R.
Ong, C.
Busch, G.
Karbanowicz, T.
Booth, M.
Clark, R.
Koehbach, J.
Ijaz, H.
Broady, K.
Agnew, K.
Knowles, A.
Bellgard, M.
Tabor, A.
author_sort Rodriguez-Valle, M.
building Curtin Institutional Repository
collection Online Access
description © 2017 Australian Society for Parasitology. The Australian paralysis tick (Ixodes holocyclus) secretes neuropathic toxins into saliva that induce host paralysis. Salivary glands and viscera were dissected from fully engorged female I. holocyclus ticks collected from dogs and cats with paralysis symptoms. cDNA from both tissue samples were sequenced using Illumina HiSeq 100bp pair end read technologies. Unique and non-redundant holocyclotoxin sequences were designated as HT2-HT19, as none were identical to the previously described HT1. Specific binding to rat synaptosomes was determined for synthetic HTs, and their neurotoxic capacity was determined by neonatal mouse assay. They induced a powerful paralysis in neonatal mice, particularly HT4 which produced rapid and strong respiratory distress in all animals tested. This is the first known genomic database developed for the Australian paralysis tick. The database contributed to the identification and subsequent characterization of the holocyclotoxin family that will inform the development of novel anti-paralysis control methods.
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institution Curtin University Malaysia
institution_category Local University
last_indexed 2025-11-14T10:14:06Z
publishDate 2017
publisher Elsevier
recordtype eprints
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spelling curtin-20.500.11937-587582017-11-28T06:36:50Z Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus Rodriguez-Valle, M. Moolhuijzen, Paula Barrero, R. Ong, C. Busch, G. Karbanowicz, T. Booth, M. Clark, R. Koehbach, J. Ijaz, H. Broady, K. Agnew, K. Knowles, A. Bellgard, M. Tabor, A. © 2017 Australian Society for Parasitology. The Australian paralysis tick (Ixodes holocyclus) secretes neuropathic toxins into saliva that induce host paralysis. Salivary glands and viscera were dissected from fully engorged female I. holocyclus ticks collected from dogs and cats with paralysis symptoms. cDNA from both tissue samples were sequenced using Illumina HiSeq 100bp pair end read technologies. Unique and non-redundant holocyclotoxin sequences were designated as HT2-HT19, as none were identical to the previously described HT1. Specific binding to rat synaptosomes was determined for synthetic HTs, and their neurotoxic capacity was determined by neonatal mouse assay. They induced a powerful paralysis in neonatal mice, particularly HT4 which produced rapid and strong respiratory distress in all animals tested. This is the first known genomic database developed for the Australian paralysis tick. The database contributed to the identification and subsequent characterization of the holocyclotoxin family that will inform the development of novel anti-paralysis control methods. 2017 Journal Article http://hdl.handle.net/20.500.11937/58758 10.1016/j.ijpara.2017.07.007 Elsevier restricted
spellingShingle Rodriguez-Valle, M.
Moolhuijzen, Paula
Barrero, R.
Ong, C.
Busch, G.
Karbanowicz, T.
Booth, M.
Clark, R.
Koehbach, J.
Ijaz, H.
Broady, K.
Agnew, K.
Knowles, A.
Bellgard, M.
Tabor, A.
Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus
title Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus
title_full Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus
title_fullStr Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus
title_full_unstemmed Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus
title_short Transcriptome and toxin family analysis of the paralysis tick, Ixodes holocyclus
title_sort transcriptome and toxin family analysis of the paralysis tick, ixodes holocyclus
url http://hdl.handle.net/20.500.11937/58758