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Titolo:
ECOLOGICAL RELATIONSHIP BETWEEN AEROMONAS AND VIBRIO SPP AND PLANKTONIC COPEPODS IN THE COASTAL MARINE-ENVIRONMENT IN SOUTHERN ITALY
Autore:
DUMONTET S; KROVACEK K; BALODA SB; GROTTOLI R; PASQUALE V; VANUCCI S;
Indirizzi:
UNIV BASILICATA,FAC AGR SCI I-85100 POTENZA ITALY SWEDISH UNIV AGR SCI,CTR BIOMED,DEPT VET MICROBIOL UPPSALA SWEDEN IST SPERIMENTALE TALASSOGR A CERRUTI TARANTO ITALY UNIV MESSINA,DEPT ANIM BIOL & MARINE ECOL MESSINA ITALY
Titolo Testata:
Comparative immunology, microbiology and infectious diseases
fascicolo: 3, volume: 19, anno: 1996,
pagine: 245 - 254
SICI:
0147-9571(1996)19:3<245:ERBAAV>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHOLERAE; WATERS; PARAHAEMOLYTICUS;
Keywords:
COPEPODS; BACTERIAL ATTACHMENT; AEROMONAS HYDROPHILA; VIBRIO CHOLERAE NON-O1;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
23
Recensione:
Indirizzi per estratti:
Citazione:
S. Dumontet et al., "ECOLOGICAL RELATIONSHIP BETWEEN AEROMONAS AND VIBRIO SPP AND PLANKTONIC COPEPODS IN THE COASTAL MARINE-ENVIRONMENT IN SOUTHERN ITALY", Comparative immunology, microbiology and infectious diseases, 19(3), 1996, pp. 245-254

Abstract

The colonisation of planktonic copepod integument by bacteria belonging to the family of Vibrionaceae is a well described phenomenon. In this study, besides reporting on the occurrence of Vibrionaceae and other enteropathogens, we further report on the bacterial attachment to the Estuarine copepod Acartia margalefi in a faecal polluted coastal lagoon near Naples, Southern Italy. In addition, we also performed a laboratory experiment to study the ability of 7 bacterial strains (Vibrio cholerae non-Ol, V. mimicus, V. parahaemolyticus, V. alginolyticus, Aeromonas hydrophila, Escherichia coli and Pseudomonas sp.) to colonise the copepod integument. For this laboratory study, 4 different speciesof copepods, namely Temora stylifera, A. clausi, Centropages typicus and Paracalanus parvus sampled from the Gulf of Naples (Southern Italy) were used. Scanning electron microscope (SEM) studies on the copepods sampled from the lagoon indicated that the bacterial attachment on the integument of Acartia margalefi was mainly on the ventro-lateral body region of the host and in the joints of the thoracic segments, as well as on the swimming and feeding appendages. This infestation, made by rod-like bacteria, was absent in winter but reached peak values of 70% frequency in June. The laboratory studies showed that while V. cholerae non-Ol and A. hydrophila attached on live and dead copepods, respectively, the V. parahaemolyticus, V. alginolyticus, V. mimicus, E. coli and Pseudomonas sp. failed to colonise either live or dead copepods. Thus, this study provides further valuable information about the ecological relationship between different microorganisms (pathogens) andcopepods in the coastal marine environment in Southern Italy. Copyright (C) 1996 Elsevier Science Ltd

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Documento generato il 28/11/20 alle ore 15:35:51