Mycobiota as acute and chronic cloacal contaminants of female sea turtles

Phillott, A.D., Parmenter, C.J., Limpus, C.J., and Harrower, K.M. (2002) Mycobiota as acute and chronic cloacal contaminants of female sea turtles. Australian Journal of Zoology, 50. pp. 687-695.

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To determine the potential for intra-oviductal contamination of sea turtle eggs with fungi accumulated during nesting, turtles were sampled for cloacal fungi. Pre-gravid females had a low incidence (17%) of cloacal fungi (Acremonium, Cladosporium, Penicillium). A higher occurrence (30%) of these same fungi in courting animals, that had not bred for ≥2 years, was probably the result of transfer during intromission. Nesting (75%) and inter-nesting (100%) turtles had the greatest occurrence and diversity of cloacal fungi (Acremonium, Aspergillus, Chrysosporium, Fusarium, Mucor, Penicillium, Phialophora, Sporothrix, Stachybotrys). The incidence of cloacal fungi rapidly decreased after nesting, to 28% within one year (Acremonium, Penicillium) and 13% in animals that bred at least two years earlier (Acremonium, Cladosporium, Penicillium). The other species of fungi are probably lost during defaecation. If fungal spores can be transported and maintained in the sea turtle oviduct by the same mechanisms as for spermatozoa, acute intra-seasonal contamination of eggs by fungi may be possible. The potential for chronic inter-seasonal contamination of the oviduct appears to be low.

Item ID: 5384
Item Type: Article (Research - C1)
ISSN: 1446-5698
Date Deposited: 13 Oct 2009 03:11
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070707 Veterinary Microbiology (excl Virology) @ 100%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960808 Marine Flora, Fauna and Biodiversity @ 100%
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