Studies on Anopheles sinensis, the vector species of vivax malaria in Korea

Ree, Han-Il

doi:10.3347/kjp.2005.43.3.75

Cited by 62 publications

(64 citation statements)

References 17 publications

(18 reference statements)

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“…7b, showing that the factor limiting the growth of A. sinensis was the thermal resources. This finding agrees well with the observation that hibernating A. sinensis mosquitoes flew out from the grass within a few minutes when the temperature increased by 15°C (Ree 2005). On the other hand, although T w,k and W k /W* of the habitat of A. minimus changed seasonally, the species can grow during most periods.…”

Section: Factors Limiting the Distribution Of Eachsupporting

confidence: 81%

Effect of climate on malarial vector distribution in Monsoon Asia: coupled model for Ecophysiological and Climatological Distribution of mosquito generations (ECD-mg)

Ohta¹,

Kaga²

2012

Clim. Res.

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ABSTRACT:The relationship between the life cycle and climate conditions of the malaria vector mosquito Anopheles was modeled in order to describe its temporal and geographic distribution at a fine resolution. Since the mosquito grows through immature life stages in an aquatic environment, the model was designed to express the surface moisture conditions conducive to the mosquito's growth. The development of the mosquito was estimated using either air or water temperature, depending on the developmental stage of the mosquito's life cycle. To achieve this, the previous model was modified in order to improve the estimation of the water conditions of its habitat. As a result, the modified model was able to predict seasonal patterns of occurrence of Anopheles at representative sites with a more reasonable degree of accuracy than the previous model. This model was then applied using simple climate data in order to obtain the geographic distribution of the occurrence of various species of Anopheles in Monsoon Asia. The most notable results of the simulated spatio-temporal emergence of the Anopheles mosquito is that although the modified model did not include unique parameters of each species, distribution was clearly divided into sub-regions for each dominant species that corresponded to the climate conditions.

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Section: Factors Limiting the Distribution Of Eachsupporting

confidence: 81%

Effect of climate on malarial vector distribution in Monsoon Asia: coupled model for Ecophysiological and Climatological Distribution of mosquito generations (ECD-mg)

Ohta¹,

Kaga²

2012

Clim. Res.

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“…However, the 2 alleles of South Korean isolates were clearly distinguishable from previously reported genotypes [16]. The low genetic diversity of Korean isolates may be due to the low transmission intensity in domestic areas with limited seasonal prevalence of malaria or to suboptimal conditions for the transmission of the mosquito [44]. In other global endemic areas, commonly known PvMSP-1 diversities, such as ICB2-ICB4 and ICB8-ICB10, have been indexed [45,46].…”

Section: Msp-1mentioning

confidence: 86%

Genetic Characteristics of Polymorphic Antigenic Markers among Korean Isolates of Plasmodium vivax

2009

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The high levels of antigenic polymorphism found in most P. vivax parasites indicate the development of sophisticated evasion of the human immune system [8]. Detailed knowledge of this genetic variation and comparisons of inter-and intra-speciesspecific levels of gene variation will both resolve epidemiological questions about parasite origin and provide tools with which to design an effective vaccine. Polymorphic repetitive sequences, Genetic Characteristics of Polymorphic Antigenic Markers among Korean Isolates of Plasmodium vivaxKorean J Parasitol. Vol. 47, Supplement: S51-S58, October 2009 DOI: 10.3347/kjp.2009 Abstract: Plasmodium vivax, a protozoan malaria parasite of humans, represents a major public health concern in the Republic of Korea (= South Korea). However, little is known about the genetic properties and population structures of the P. vivax isolates circulating in South Korea. This article reviews known polymorphic genetic markers in South Korean isolates of P. vivax and briefly summarizes the current issues surrounding the gene and population structures of this parasite. The critical genetic characteristics of major antigens of the parasite, such as circumsporozoite protein (CSP), merozoite surface protein 1 (MSP-1) and MSP-3, Duffy binding protein (DBP), apical membrane antigen 1 (AMA-1), and GAM-1, are also discussed.

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“…sinensis, and the frequency was assumed to be governed by a Poisson distribution. The gonotrophic cycle was fixed at 3 days [22].…”

Section: Frequency Of Mosquito Bitesmentioning

confidence: 99%

Risk analysis of the re-emergence of Plasmodium vivax malaria in Japan using a stochastic transmission model

Bitoh

Fueda

Ohmae

et al. 2010

Environ Health Prev Med

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Objectives This study analyzed the risk of infection with Plasmodium vivax in local residents through a stochastic simulation in which an infected tourist, local resident, or immigrants from an endemic area would visit Himi-shi, Toyama prefecture, which is a formerly endemic area in Japan. Methods In Toyama, the habitats of Anopheles sinensis, which can transmit P. vivax, have been examined previously. We constructed a stochastic model of P. vivax transmission that can handle small numbers of infected persons and infected mosquitoes. The seasonal fluctuation in the numbers of captured An. sinensis was taken into account in the model. Results Ten thousand trial simulations were carried out stochastically with a range of human blood indexes (HBI) of 1-10% for a range of months (June-September). The simulation results for a realistic assumption of a 1% HBI showed that the risk of infection for local residents was low (below 1%) except for the immigrants scenario. Conclusions The risk of infection among local residents (second cycle) was estimated to be very low for all situations. Therefore, there is little possibility for P. vivax infection to become established in this area of Japan.

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Studies on Anopheles sinensis, the vector species of vivax malaria in Korea

Cited by 62 publications

References 17 publications

Effect of climate on malarial vector distribution in Monsoon Asia: coupled model for Ecophysiological and Climatological Distribution of mosquito generations (ECD-mg)

Effect of climate on malarial vector distribution in Monsoon Asia: coupled model for Ecophysiological and Climatological Distribution of mosquito generations (ECD-mg)

Genetic Characteristics of Polymorphic Antigenic Markers among Korean Isolates of Plasmodium vivax

Risk analysis of the re-emergence of Plasmodium vivax malaria in Japan using a stochastic transmission model

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