Isolation of Vibrio cholerae O139 synonym Bengal from the aquatic environment in Bangladesh: implications for disease transmission

Islam, Mohammad Shafiqul; Hasan, M K; Miah, Mojnu; Yunus, Mohammad; Zaman, Khalequ; Albert, M. John

doi:10.1128/aem.60.5.1684-1686.1994

Cited by 58 publications

(18 citation statements)

References 18 publications

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“…Serogroup O1 is less abundant in the intestine samples than non-O1 strains, and thus, its presence may have been masked by the non-O1 isolates, or the O1 strains may have entered the viable but non-culturable (VBNC) state [25]. V. cholerae O1 and O139 are rarely isolated from aquatic environments even in cholera-endemic areas like Kolkata and Bangladesh [25,26]. Senoh et al [27] suggested that this phenomenon can be explained by the fact that V. cholerae O1 and O139 enter the VBNC state.…”

Section: Discussionmentioning

confidence: 99%

Wild waterfowl as potential vectors of Vibrio cholerae and Aeromonas species

Laviad-Shitrit

Izhaki

Arakawa

et al. 2018

Tropical Med Int Health

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Section: Discussionmentioning

confidence: 99%

Wild waterfowl as potential vectors of Vibrio cholerae and Aeromonas species

Laviad-Shitrit

Izhaki

Arakawa

et al. 2018

Tropical Med Int Health

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“…Some non-01 serogroup strains produce toxin and have caused sporadic cases of cholera and small outbreaks of diarrheal disease without causing widespread epidemics (1). The recently discovered serogroup 0139 is an exception, because it has caused epidemics in India (2) and Bangladesh (3).…”

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confidence: 99%

Ecology of Vibrio cholerae serogroup 01 in aquatic environments

Borroto¹

1997

Rev Panam Salud Publica

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The endemic and seasonal nature of cholera depends upon the survival of Vibrio cholerae 01 in a viable but not necessarily culturable state in ecologic niches in aquatic environments during interepidemic periods. To understand the ecology of V. cholerae it is necessary to know which aquatic ecosystems can harbor it and thus contribute to the endemic presence of cholera in Latin America. This article summarizes knowledge about the ecology of V. cholerae 01, specifically, the abiotic and biotic factors that are relevant to the microbe's survival in aquatic environments. This pathogen finds favorable conditions in waters characterized by moderate salinity, high nutrient content, warm temperature, neutral or slightly alkaline pH, and the presence of aquatic macrophytes, phytoplankton, zooplankton, fish, mollusks, and crustaceans. These ecologic conditions are typical of estuaries and coastal swamps, and toxigenic V. cholerae 01 is now considered an autochthonous member of the microbial flora of these environments. The microorganism has also shown the ability to colonize freshwater ecosystems in its viable but not necessarily culturable form, if organic or inorganic substrates that favor its survival are available. ABSTRACTVibrio cholerae serogroup 01 consists of the classic and El Tor biotypes, the latter of which is responsible for the seventh cholera pandemic, which is now in progress. These two biotypes comprise the Inaba, Ogawa, and Hikojima serotypes. Epidemic cholera is caused by strains of V. cholerae that produce enterotoxin; strains that do not produce the toxin are identified as nonepidemic, although they may cause diarrhea. Vibrios that do not agglutinate serogroup 01 antiserum,

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“…This organism continues to be a cause of epidemic and endemic cholera in the subcontinent and other parts of Asia (Bhattacharya et al 1993;Cholera Working Group 1993;Chongsa-Nguan et al 1993;Fisher-Hoch et al 1993). Studies have shown that this organism is likely to be a single clone, with all known strains having the same serotype and biochemical and toxin-producing properties (Islam et al 1994). In Tamil Nadu a resurgence of cases in July 1994 affected several towns including the one reported on here.…”

Section: Discussionmentioning

confidence: 78%

“…Since then, serotype 01 and 0 1 3 9 have both been isolated with similar frequency from sporadic cases. Islam et al (1994) have isolated this organism from surface waters of tanks, ponds and lakes. The organism has not previously been directly demonstrated in the drinking water supply.…”

Section: Introductionmentioning

confidence: 99%

Isolation of Vibrio cholerae O139 from the drinking water supply during an epidemic of cholera

Ramakrishna

Kang

Rajan

et al. 1996

Tropical Med Int Health

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In mid-1994, the public water supply was investigated in a medium-sized town in south India during an epidemic of cholera due to Vibrio cholerae 0 1 3 9 . Vibrio cholerae 0 1 3 9 was isolated from the public water supply including one of the wells supplying the town, the central overhead tank, and domestic taps connected to the public supply. Following chlorination, the organism was no longer isolated from the water supply and the epidemic subsided. This demonstration of V. cholerae 0 1 3 9 in the drinking water supply of a town underlines the need for adequate treatment of the water supply. keywords cholera, Vibrio cholerae 0 1 3 9

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Isolation of Vibrio cholerae O139 synonym Bengal from the aquatic environment in Bangladesh: implications for disease transmission

Cited by 58 publications

References 18 publications

Wild waterfowl as potential vectors of Vibrio cholerae and Aeromonas species

Wild waterfowl as potential vectors of Vibrio cholerae and Aeromonas species

Ecology of Vibrio cholerae serogroup 01 in aquatic environments

Isolation of Vibrio cholerae O139 from the drinking water supply during an epidemic of cholera

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