Dataset Information

Draft Genome Sequence of Rhodococcus rhodnii Strain LMG5362, a Symbiont of Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae), the Principle Vector of Trypanosoma cruzi.

ABSTRACT: We report the 4,385,577-bp high-quality draft assembly of the bacterial symbiont Rhodococcus rhodnii strain LMG5362, isolated from the gut of Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae), the principle vector of the protozoan Trypanosoma cruzi, the etiological agent of Chagas disease. This sequence might provide useful information for subsequent studies of the symbiotic relationship between Rd. prolixus and Rc. rhodnii, while also providing a starting point for the development of biotechnological applications for the control of Rd. prolixus.

SUBMITTER: Pachebat JA

PROVIDER: S-EPMC3707589 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Publications

Draft Genome Sequence of Rhodococcus rhodnii Strain LMG5362, a Symbiont of Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae), the Principle Vector of Trypanosoma cruzi.

Pachebat Justin A JA van Keulen Geertje G Whitten Miranda M A MM Girdwood Susan S Del Sol Ricardo R Dyson Paul J PJ Facey Paul D PD

Genome announcements 20130620 3

We report the 4,385,577-bp high-quality draft assembly of the bacterial symbiont Rhodococcus rhodnii strain LMG5362, isolated from the gut of Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae), the principle vector of the protozoan Trypanosoma cruzi, the etiological agent of Chagas disease. This sequence might provide useful information for subsequent studies of the symbiotic relationship between Rd. prolixus and Rc. rhodnii, while also providing a starting point for the development of biote ...[more]

PMID: 23788540

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Project description:BackgroundChagas disease, affecting approximately eight million individuals in tropical regions, is primarily transmitted by vectors. Rhodnius prolixus, a triatomine vector, commonly inhabits in ecotopes with diverse palm tree species, creating optimal conditions for vector proliferation. This study aims to explore the transmission ecology of Trypanosoma cruzi, the causative parasite of Chagas disease, by investigating the feeding patterns and natural infection rates of R. prolixus specimens collected from various wild palm species in the Colombian Orinoco region.Materials and methodsTo achieve this objective, we sampled 35 individuals from three palm species (Attalea butyracea, Acrocomia aculeata, and Mauritia flexuosa) in a riparian forest in the Casanare department of eastern Colombia, totaling 105 sampled palm trees. DNA was extracted and analyzed from 115 R. prolixus specimens at different developmental stages using quantitative PCR (qPCR) for T. cruzi detection and identification of discrete typing units. Feeding preferences were determined by sequencing the 12S rRNA gene amplicon through next-generation sequencing.ResultsA total of 676 R. prolixus specimens were collected from the sampled palms. The study revealed variation in population densities and developmental stages of R. prolixus among palm tree species, with higher densities observed in A. butyracea and lower densities in M. flexuosa. TcI was the exclusive T. cruzi discrete typing unit (DTU) found, with infection frequency positively correlated with R. prolixus abundance. Insects captured in A. butyracea exhibited higher abundance and infection rates than those from other palm species. The feeding sources comprised 13 mammal species, showing no significant differences between palm species in terms of blood sources. However, Didelphis marsupialis and Homo sapiens were present in all examined R. prolixus, and Dasypus novemcinctus was found in 89.47% of the insects.ConclusionThis study highlights the significance of wild palms, particularly A. butyracea, as a substantial risk factor for T. cruzi transmission to humans in these environments. High population densities and infection rates of R. prolixus were observed in each examined palm tree species.

Dataset Information

Draft Genome Sequence of Rhodococcus rhodnii Strain LMG5362, a Symbiont of Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae), the Principle Vector of Trypanosoma cruzi.

Publications

Draft Genome Sequence of Rhodococcus rhodnii Strain LMG5362, a Symbiont of Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae), the Principle Vector of Trypanosoma cruzi.

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