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Article: Isotopic labeling and antifungal resistance as tracers of gut passage of the sea fan pathogen Aspergillus sydowii

TitleIsotopic labeling and antifungal resistance as tracers of gut passage of the sea fan pathogen Aspergillus sydowii
Authors
Issue Date2009
PublisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/dao/index.html
Citation
Diseases Of Aquatic Organisms, 2009, v. 86 n. 1, p. 1-7 How to Cite?
AbstractVectors play a critical role in the ecology of infectious disease by facilitating between- host transmission, emphasizing the multi-species nature of disease. Corals are suffering an onslaught of infectious diseases, yet we know little about the role of vector species in the ecology of these epizootics. The infection of octocorals by the fungus Aspergillus sydowii is a widespread Caribbean coral disease. The snail Cyphoma gibbosum is a likely vector species because it is a specialist predator of octocorals, moves regularly among coral colonies, and aggregates on diseased corals. We used a novel application of stable isotope techniques and antifungal-resistant strains of A. sydowii to identify the potential for this snail to vector disease. The use of both isotopically labeled and hygromycin- resistant fungus was successful in definitively tracing A. sydowii through the guts of C. gibbosum from ingestion to feces. Further, we demonstrated in laboratory experiments that snails fed antifun- gal-resistant A. sydowii excrete viable spores and hyphae in their feces. Overall, this study demonstrates the usefulness of isotopic labeling and antifungal-resistant fungi to trace the movement of pathogen propagules in microbially diverse environments, and suggests that C. gibbosum may be able to spread aspergillosis between octocoral hosts. © Inter-Research 2009.
Persistent Identifierhttp://hdl.handle.net/10722/180735
ISSN
2015 Impact Factor: 1.77
2015 SCImago Journal Rankings: 0.964
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorRypien, KLen_US
dc.contributor.authorBaker, DMen_US
dc.date.accessioned2013-01-28T01:42:07Z-
dc.date.available2013-01-28T01:42:07Z-
dc.date.issued2009en_US
dc.identifier.citationDiseases Of Aquatic Organisms, 2009, v. 86 n. 1, p. 1-7en_US
dc.identifier.issn0177-5103en_US
dc.identifier.urihttp://hdl.handle.net/10722/180735-
dc.description.abstractVectors play a critical role in the ecology of infectious disease by facilitating between- host transmission, emphasizing the multi-species nature of disease. Corals are suffering an onslaught of infectious diseases, yet we know little about the role of vector species in the ecology of these epizootics. The infection of octocorals by the fungus Aspergillus sydowii is a widespread Caribbean coral disease. The snail Cyphoma gibbosum is a likely vector species because it is a specialist predator of octocorals, moves regularly among coral colonies, and aggregates on diseased corals. We used a novel application of stable isotope techniques and antifungal-resistant strains of A. sydowii to identify the potential for this snail to vector disease. The use of both isotopically labeled and hygromycin- resistant fungus was successful in definitively tracing A. sydowii through the guts of C. gibbosum from ingestion to feces. Further, we demonstrated in laboratory experiments that snails fed antifun- gal-resistant A. sydowii excrete viable spores and hyphae in their feces. Overall, this study demonstrates the usefulness of isotopic labeling and antifungal-resistant fungi to trace the movement of pathogen propagules in microbially diverse environments, and suggests that C. gibbosum may be able to spread aspergillosis between octocoral hosts. © Inter-Research 2009.en_US
dc.languageengen_US
dc.publisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/dao/index.htmlen_US
dc.relation.ispartofDiseases of Aquatic Organismsen_US
dc.subject.meshAnimalsen_US
dc.subject.meshAnthozoa - Microbiologyen_US
dc.subject.meshAspergillus - Physiologyen_US
dc.subject.meshCarbon Isotopes - Analysisen_US
dc.subject.meshDrug Resistance, Fungal - Physiologyen_US
dc.subject.meshFeces - Microbiologyen_US
dc.subject.meshFood Preferencesen_US
dc.subject.meshIntestines - Microbiologyen_US
dc.subject.meshNitrogen Isotopes - Analysisen_US
dc.subject.meshSnails - Microbiologyen_US
dc.titleIsotopic labeling and antifungal resistance as tracers of gut passage of the sea fan pathogen Aspergillus sydowiien_US
dc.typeArticleen_US
dc.identifier.emailBaker, DM: dmbaker@hku.hken_US
dc.identifier.authorityBaker, DM=rp01712en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.3354/dao02106en_US
dc.identifier.pmid19899343-
dc.identifier.scopuseid_2-s2.0-70349464529en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70349464529&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume86en_US
dc.identifier.issue1en_US
dc.identifier.spage1en_US
dc.identifier.epage7en_US
dc.identifier.isiWOS:000270802000001-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridRypien, KL=13204566100en_US
dc.identifier.scopusauthoridBaker, DM=55449577100en_US

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