Presence of Wolbachia endosymbionts in microfilariae of Wuchereria bancrofti (Spirurida: Onchocercidae) from different geographical regions in India

Hoti, S.L.; Sridhar, Akila; Das, PK

doi:10.1590/s0074-02762003000800006

Cited by 10 publications

(5 citation statements)

References 11 publications

(12 reference statements)

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“…Wolbachia endosymbionts are found in many filarial species infecting animals and humans, including W. bancrofti. 3 They have been detected in W. bancrofti microfilariae from 2 individuals in Papua New Guinea, 2 in Sri Lanka, 1,14 20 from different filarial-endemic locations in India, 15 as well in 93 patients in a therapeutic trial in 6 villages in western Ghana. 16 In these areas, a nocturnally periodic form of Bancroftian lymphatic filariasis was studied.…”

Section: Discussionmentioning

confidence: 99%

“…13 Wolbachia was previously detected in nocturnally periodic W. bancrofti microfilariae. 1,[14][15][16] The presence of Wolbachia in the diurnally subperiodic Polynesian strain of filarial W. bancrofti variety pacifica, 17,18 has not been described. Before we can plan a therapeutic trial targeting Wolbachia with a tetracycline class antibiotic treatment, we need to assess the prevalence of Wolbachia endosymbionts in microfilariae from infected patients in French Polynesia.…”

Section: Introductionmentioning

confidence: 99%

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Detection and Characterization of Wolbachia Infections in Wuchereria Bancrofti (Spirurida: Onchocercidae) Var. Pacifica and Aedes (Stegomyia) Polynesiensis (Diptera: Culicidae)

Plichart

Legrand

2005

The American Journal of Tropical Medicine and Hygiene

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Despite control programs based on mass drug administration (MDA) of microfilaricidal compounds, Bancroftian lymphatic filariasis remains a problem in French Polynesia. For an alternative strategy to MDA, we investigated the potential role of Wolbachia to control filarial transmission. Wolbachia are intracellular alpha-proteobacteria endosymbionts that infect a broad range of insects and nematodes. These bacteria have a suspected role in the pathogenesis of filariasis. They also may be useful in mosquito control through cytoplasmic incompatibility. To detect and characterize these bacteria in the filarial and mosquito-vectors in French Polynesia, a survey was conducted on field-collected mosquitoes and microfilariae from infected people. Samples were analyzed by a polymerase chain reaction and gene sequencing. The results indicate that these bacteria are widespread. Sequence analysis of the wsp and ftsZ genes positioned the Aedes polynesiensis Wolbachia in cluster A and Wuchereria bancrofti var. pacifica Wolbachia in cluster D. The implications for possible improved treatment and vector control are discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Detection and Characterization of Wolbachia Infections in Wuchereria Bancrofti (Spirurida: Onchocercidae) Var. Pacifica and Aedes (Stegomyia) Polynesiensis (Diptera: Culicidae)

Plichart

Legrand

2005

The American Journal of Tropical Medicine and Hygiene

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“…To identify the single colony, the prepared genomic DNA was used as a template to amplify the bacterial 16S rDNA by PCR (TC-512, Techne, UK) which was performed with universal bacterial primers: forward primer 27f (5′-GAGATTTGATCCTGGCTCAG-3′) (Parlapani et al, 2013) and reverse primer 1495r (5′-CTACGGCTACCTTGTTACGA-3′) (Hoti et al, 2003). The primers were obtained from Bomad Biological Technology Co., Ltd. (Beijing, China; BBT).…”

Section: Identification Of Bacteriamentioning

confidence: 99%

Microbial succession of grass carp (Ctenopharyngodon idellus) filets during storage at 4°C and its contribution to biogenic amines' formation

Wang

Luo

Huang

et al. 2014

International Journal of Food Microbiology

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“…In contrast to the 90/120-day oral administration of the drug, the treatment schedule using the liposomized form of the drug was reduced to 12 alternate days with better efficacy of the treatment (Bajpai et al 2005). Preliminary studies undertaken in India, to assess the symbiosis of Wolbachia in W. bancrofti microfilariae (mff), have indicated its presence from wider geographical locations (Hoti et al 2003;Gayen et al 2010). Besides, Wolbachia has been detected only in W. bancrofti mff from Kimuta Island, Papua New Guinea, and Sri Lanka (Taylor and Hoerauf 1999;Bazzocchi et al 2000).…”

Section: Implications Of Endosymbiont Wolbachiamentioning

confidence: 99%

Diurnally subperiodic filariasis in India—prospects of elimination: precept to action?

Shriram

Krishnamoorthy

Saha³

et al. 2011

Parasitol Res

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The elimination of lymphatic filariasis in the Andaman and Nicobar Islands provides unique opportunities and challenges at the same time. Since these islands are remote, are sparsely populated, and have poor transport networks, mass drug administration programs are likely to be difficult to implement. Diurnally subperiodic Wuchereria bancrofti vectored by Downsiomyia nivea was considered for the scope of vector control options. Considering the bioecology of this mosquito, vector control including personal protection measures may not be feasible. However, since these islands are covered by separate administrative machinery which also plays an important role in regulating the food supply, the use of diethylcarbamazine (DEC)-fortified salt as a tool for the interruption of transmission is appealing. DEC-fortified salt has been successfully pilot tested in India and elsewhere, operationally used by China for eliminating lymphatic filariasis. Administration of DEC-fortified salt though simple, rapid, safe, and cost-effective, challenges are to be tackled for translating this precept into action by evolving operationally feasible strategy. Although the use of DEC-fortified salt is conceptually simple, it requires commitment of all sections of the society, an elaborate distribution mechanism that ensures the use of DEC-fortified salt only in the endemic communities, and a vigorous monitoring mechanism. Here, we examine the inbuilt administrative mechanisms to serve the tribal people, health infrastructure, and public distribution system and discuss the prospects of putting in place an operationally feasible strategy for its elimination.

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Presence of Wolbachia endosymbionts in microfilariae of Wuchereria bancrofti (Spirurida: Onchocercidae) from different geographical regions in India

Cited by 10 publications

References 11 publications

Detection and Characterization of Wolbachia Infections in Wuchereria Bancrofti (Spirurida: Onchocercidae) Var. Pacifica and Aedes (Stegomyia) Polynesiensis (Diptera: Culicidae)

Detection and Characterization of Wolbachia Infections in Wuchereria Bancrofti (Spirurida: Onchocercidae) Var. Pacifica and Aedes (Stegomyia) Polynesiensis (Diptera: Culicidae)

Microbial succession of grass carp (Ctenopharyngodon idellus) filets during storage at 4°C and its contribution to biogenic amines' formation

Diurnally subperiodic filariasis in India—prospects of elimination: precept to action?

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