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Hagler AN, Mendonça-Hagler LC. Yeasts from marine and estuarine waters with different levels of pollution in the state of rio de janeiro, Brazil. Appl Environ Microbiol. 1981;41(1):173-8doi: 10.1128/aem.41.1.173-178.1981.
Hagler, A. N., & Mendonça-Hagler, L. C. (1981). Yeasts from marine and estuarine waters with different levels of pollution in the state of rio de janeiro, Brazil. Applied and environmental microbiology, 41(1), 173-8. https://doi.org/10.1128/aem.41.1.173-178.1981
Hagler, A N, and Mendonça-Hagler, L C. "Yeasts from marine and estuarine waters with different levels of pollution in the state of rio de janeiro, Brazil." Applied and environmental microbiology vol. 41,1 (1981): 173-8. doi: https://doi.org/10.1128/aem.41.1.173-178.1981
Hagler AN, Mendonça-Hagler LC. Yeasts from marine and estuarine waters with different levels of pollution in the state of rio de janeiro, Brazil. Appl Environ Microbiol. 1981 Jan;41(1):173-8. doi: 10.1128/aem.41.1.173-178.1981. PMID: 16345683; PMCID: PMC243658.
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Appl Environ Microbiol. 1981 Jan;41(1):173-8. doi: 10.1128/aem.41.1.173-178.1981.

Yeasts from marine and estuarine waters with different levels of pollution in the state of rio de janeiro, Brazil.

Applied and environmental microbiology

A N Hagler, L C Mendonça-Hagler

Affiliations

  1. Departamento de Microbiologia Geral, Instituto de Microbiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

PMID: 16345683 PMCID: PMC243658 DOI: 10.1128/aem.41.1.173-178.1981

Abstract

Yeast counts were made at 24 marine and estuarine sites in the vicinity of Rio de Janeiro, Brazil. Mean salinities of estuarine sites ranged from 14.2 to 27.4 per thousand, and mean temperatures ranged from 25 to 28 degrees C. Total coliform counts varied from 80% above 100,000 colony-forming units (CFU)/100 ml at heavily polluted sites to 100% below 100 CFU/100 ml at unpolluted sites. Total yeast counts above 100 CFU/100 ml were typical of heavily and moderately polluted water but atypical of lightly polluted and unpolluted water. Mean total yeast counts were 2,880 CFU/100 ml for heavily polluted sites, 202 CFU/100 ml for moderately polluted sites, and 3 CFU/100 ml for lightly polluted and unpolluted sites. Total yeast counts had a positive response to increased pollution levels, and Candida krusei and phenotypically similar yeasts as a group were prevalent in polluted estuarine water but rare in unpolluted seawater. The 549 strains of yeasts and yeast-like organisms isolated were grouped into 67 species, of which the 21 most prevalent made up 86% of the total yeast population. The prevalent genera in the polluted estuary were Candida, Rhodotorula, Torulopsis, Hanseniaspora, Debaryomyces, and Trichosporon.

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