An approach to revealing blood fluke life cycles, taxonomy, and diversity: Provision of key reference data including DNA sequence from single life cycle stages

Brant, Sara V., Morgan, Jess A. T., Mkoji, Gerald M., Snyder, Scott D., Rajapakse, R. P V. Jayanthe and Loker, Eric S. (2006) An approach to revealing blood fluke life cycles, taxonomy, and diversity: Provision of key reference data including DNA sequence from single life cycle stages. Journal of Parasitology, 92 1: 77-88.


Author Brant, Sara V.
Morgan, Jess A. T.
Mkoji, Gerald M.
Snyder, Scott D.
Rajapakse, R. P V. Jayanthe
Loker, Eric S.
Title An approach to revealing blood fluke life cycles, taxonomy, and diversity: Provision of key reference data including DNA sequence from single life cycle stages
Journal name Journal of Parasitology   Check publisher's open access policy
ISSN 0022-3395
1937-2345
Publication date 2006-02
Sub-type Article (original research)
DOI 10.1645/GE-3515.1
Volume 92
Issue 1
Start page 77
End page 88
Total pages 12
Place of publication Lincoln, NE, United States
Publisher American Society of Parasitologists
Language eng
Formatted abstract Revealing diversity among extant blood flukes, and the patterns of relationships among them, has been hindered by the difficulty of determining if specimens described from different life cycle stages, hosts, geographic localities, and times represent the same or different species. Persistent collection of all available life cycle stages and provision of exact collection localities, host identification, reference DNA sequences for the parasite, and voucher specimens eventually will provide the framework needed to piece together individual life cycles and facilitate reconciliation with classical taxonomic descriptions, including those based on single life cycle stages. It also provides a means to document unique or rare species that might only ever be recovered from a single life cycle stage. With an emphasis on the value of new information from field collections of any available life cycle stages, here we provide data for several blood fluke cercariae from freshwater snails from Kenya, Uganda, and Australia. Similar data are provided for adult worms of Macrobilharzia macrobilharzia and miracidia of Bivitellobilharzia nairi. Some schistosome and sanguinicolid cercariae that we recovered have peculiar morphological features, and our phylogenetic analyses (18S and 28S rDNA and mtDNA CO1) suggest that 2 of the new schistosome specimens likely represent previously unknown lineages. Our results also provide new insights into 2 of the 4 remaining schistosome genera yet to be extensively characterized with respect to their position in molecular phylogenies, Macrobilharzia and Bivitellobilharzia. The accessibility of each life cycle stage is likely to vary dramatically from one parasite species to the next, and our examples validate the potential usefulness of information gleaned from even one such stage, whatever it might be.
Keyword Schistosomatidae
Digenea
Spirorchiidae
Trematoda
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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