Abstract:
:In the present study, it was sought to compare yeast microbiota of wild and captive Macrobrachium amazonicum and evaluate the antifungal susceptibility and production of virulence factors by the recovered isolates of Candida spp. Additionally, cultivation water was monitored for the presence of fungi. Overall, 26 yeast isolates belonging to three genera and seven species were obtained, out of which 24 were Candida spp., with Candida famata as the most prevalent species for both wild and captive prawns. From cultivation water, 28 isolates of filamentous fungi were obtained, with Penicillium spp., Cladosporium spp. and Aspergillus spp. as the most frequent genera. Eight out of 24 Candida spp. isolates were resistant to azole derivatives, out of which four were recovered from wild-harvested prawns. As for production of virulence factors, three (12.5%) and eight (33.3%) isolates presented phospholipase and protease activity, respectively. This is the first comparative study between wild and captive prawns and the first report on yeast microbiota of M. amazonicum. The most relevant finding was the high percentage of resistant Candida spp., including from wild individuals, which suggests the occurrence of an environmental imbalance in the area where these prawns were captured.
journal_name
FEMS Microbiol Ecoljournal_title
FEMS microbiology ecologyauthors
Brilhante RS,Paiva MA,Sampaio CM,Teixeira CE,Castelo-Branco DS,Leite JJ,Moreira CA,Silva LP,Cordeiro RA,Monteiro AJ,Sidrim JJ,Rocha MFdoi
10.1111/j.1574-6941.2011.01050.xsubject
Has Abstractpub_date
2011-05-01 00:00:00pages
268-77issue
2eissn
0168-6496issn
1574-6941journal_volume
76pub_type
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