Growth capacity of thermotolerant campylobacters in culture media supplemented with pig and cow blood

Tresierra-Ayala, Álvaro; Navas, Manuel Fernández; Flores, Josué; Perea, Ramsés Salomón Perea; Huanaquiri, Juan; Bendayán, María; Fernández, Heriberto

doi:10.1590/s1516-89132010000500011

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…The available hosts for sand flies of the human dwellings (Parvaneh village) were pigeons, sheep, and or humans, whereas available hosts for sand flies trapped from rodent’s colony and the cattle farm were rodent and cow, respectively. The effect of blood meal components on the growth and persistence of some microbes has been proven [ 75 , 76 ]. Other factors such as intestine-specific structure, pH, redox, digestive enzymes, and food sources are determinants of microbial colonization in insect guts [ 34 , 77 , 78 ].…”

Section: Discussionmentioning

confidence: 99%

Aerobic bacterial flora of biotic and abiotic compartments of a hyperendemic Zoonotic Cutaneous Leishmaniasis (ZCL) focus

et al. 2015

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BackgroundIdentification of the microflora of the sand fly gut and the environmental distribution of these bacteria are important components for paratransgenic control of Leishmania transmission by sand flies.MethodsBiotic and abiotic bacterial communities of four compartments of a hyper-endemic focus of Zoonotic Cutaneous Leishmaniasis (ZCL) were investigated using 16S ribosomal DNA sequencing and phylogenetic tree construction. These compartments include Phlebotomus papatasi’s gut, skin and intestinal tract of great gerbil Rhombomys opimus, the gerbil nest supplies, and plant food sources of the vectors and reservoirs.ResultsSequence homology analysis using nine available 16S rDNA data bases revealed 40, 24, 15 and 14 aerobic bacterial species from the vector guts, the gerbil bodies, the gerbil nests, and the plants, respectively. The isolated bacteria belong to wide ranges including aerobic to facultative anaerobic, pathogen to commensals, sand fly oviposition inducers, land to air and ocean habitats, animal and human probiotics, and plant growth-promoting rhizobacteria. Matching data analysis suggested that the adult P. papatasi gut bacteria could be acquired from three routes, adult sugar feeding on the plant saps, adult blood feeding on the animal host, and larval feeding from nest supplies. However, our laboratory experiment showed that none of the bacteria of the reservoir skin was transmitted to female sand fly guts via blood feeding. The microflora of sand fly guts were associated with the sand fly environment in which the predominant bacteria were Microbacterium, Pseudomonas, and Staphylococcus in human dwellings, cattle farms, and rodent colonies, respectively. Staphylococcus aureus was the most common bacterium in sand fly guts. Presence of some sand fly ovipoisition inducers such Bacillus spp. and Staphylococcus saprophyticus support association between gut flora and oviposition induction.ConclusionsResults of this study showed that Bacillus subtilis and Enterobacter cloacae particularly subsp. dissolvens are circulated among the sand fly guts, the plants, and the sand fly larval breeding places and hence are possible candidates for a paratransgenic approach to reduce Leishmania transmission.

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Section: Discussionmentioning

confidence: 99%

Aerobic bacterial flora of biotic and abiotic compartments of a hyperendemic Zoonotic Cutaneous Leishmaniasis (ZCL) focus

et al. 2015

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Campylobacter y campylobacteriosis: una mirada desde América del Sur

Fernández¹

2011

Rev Peru Med Exp Salud Publica

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RESUMENLas especies termotolerantes de Campylobacter han adquirido gran importancia en la salud pública, por ser considerados agentes de diarrea infecciosa para el ser humano. En esta breve revisión se presenta información sobre aspectos epidemiológicos, clínicos y bacteriológicos de campylobacteriosis en América del Sur. Asimismo, se señalan algunas diferencias con relación a su presentación en países industrializados.Palabras clave : Campylobacter, Infecciones por Campylobacter, Diarrea, Epidemiología, Zoonosis (fuente: DeCS BIREME) Campylobacter AND CAMPYLOBACTERIOSIS:A VIEW FROM SOUTH AMERICA ABSTRACTThe thermotolerant species of Campylobacter have become very important in public health, especially as agents of infectious diarrhea in human beings. In this brief revision we present part of the available information generated in South America about epidemiological, clinical and bacteriological aspects of campylobacteriosis and we identify some differences between the observed and documented campylobacteriosis in South America compared to those described in industrialized countries.

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Growth capacity of thermotolerant campylobacters in culture media supplemented with pig and cow blood

Abstract: In this work 60 thermotolerant Campylobacter strains (37 C. jejuni and 23 C. coli)

Cited by 2 publications

References 13 publications

Aerobic bacterial flora of biotic and abiotic compartments of a hyperendemic Zoonotic Cutaneous Leishmaniasis (ZCL) focus

Aerobic bacterial flora of biotic and abiotic compartments of a hyperendemic Zoonotic Cutaneous Leishmaniasis (ZCL) focus

Campylobacter y campylobacteriosis: una mirada desde América del Sur

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