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Titolo:
THE EFFECT OF TEMPERATURE, PH AND SODIUM-CHLORIDE ON THE GROWTH-RATE OF CAMPYLOBACTER-JEJUNI AND CAMPYLOBACTER-COLI ISOLATED IN LAGOS, NIGERIA
Autore:
EBIGWEI SI; OBI CL; COKER AO;
Indirizzi:
NATL INST MED RES,PMB 2013 LAGOS NIGERIA
Titolo Testata:
Discovery and innovation
fascicolo: 1, volume: 5, anno: 1993,
pagine: 41 - 43
SICI:
1015-079X(1993)5:1<41:TEOTPA>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Keywords:
C-JEJUNI; CAMPYLOBACTER-COLI; TEMPERATURE; PH; NACL; GROWTH RATE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
NO
Recensione:
Indirizzi per estratti:
Citazione:
S.I. Ebigwei et al., "THE EFFECT OF TEMPERATURE, PH AND SODIUM-CHLORIDE ON THE GROWTH-RATE OF CAMPYLOBACTER-JEJUNI AND CAMPYLOBACTER-COLI ISOLATED IN LAGOS, NIGERIA", Discovery and innovation, 5(1), 1993, pp. 41-43

Abstract

The effects of temperature, pH and sodium chloride on the growth rateand survival of two strains of Camphylobacter jejuni and two strains of Camphylobacter coli were investigated. Standard inocula of the organisms were placed on media adjusted to pH values ranging from 1.0-7.5 in the presence of sodium chloride concentrations ranging from 1.0-5.0%. Incubation was carried out at different temperatures after appropriate dilutions. None of the strains grew at pH values from 1 - 4, in 5%sodium chloride concentration, or at temperatures above 47-degrees-C. The optimum pH and temperature for growth were 6.2 and 42-degrees-C, respectively. Although growth was enhanced by the addition of 1% sodium chloride, all strains grew poorly in the absence of the salt. At 4-degrees-C, C. coli grew in the presence of 3.5 - 4.0% sodium chloride unlike C. jejuni. For the maximum isolation of C. jejuni and C. coli inour environment, optimum pH value of 6.2, temperature of 42-degrees-Cand the presence of 1% sodium chloride in the medium are recommended.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/08/20 alle ore 15:45:54