Y. Higa

Publications113
h-index21
Citations1,509
Highly Influential Citations80
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Widespread Distribution of a Newly Found Point Mutation in Voltage-Gated Sodium Channel in Pyrethroid-Resistant Aedes aegypti Populations in Vietnam
TLDR
The overall percentage of homozygous F1269C seems to remain low (7.4%) in the present situation, however, extensive and uncontrolled frequent use of photostable pyrethroids might be a strong selection pressure for this mutation to cause serious problems in the control of dengue fever in Vietnam.
Dengue Vectors and their Spatial Distribution
  • Y. Higa
  • Environmental Science
    Tropical medicine and health
  • 25 August 2011
The distribution of dengue vectors, Ae. aegypti and Ae. albopictus, is affected by climatic factors. In addition, since their life cycles are well adapted to the human environment, environmental…
Discovery of Point Mutations in the Voltage-Gated Sodium Channel from African Aedes aegypti Populations: Potential Phylogenetic Reasons for Gene Introgression
TLDR
The worldwide eradication programs in 1940s and 1950s might have caused high selection pressure on the mosquito populations and expanded the distribution of insecticide-resistant Ae.
Prevalence of avian malaria parasite in mosquitoes collected at a zoological garden in Japan
TLDR
The results suggest that C. pipiens group and L. vorax could be incriminated vectors of avian malaria parasite transmitting in captive birds kept in the zoological garden in Japan.
Geographic Distribution of Aedes aegypti and Aedes albopictus Collected from Used Tires in Vietnam
TLDR
Larval collection from used tires may be suitable to assess rapidly the current distribution of dengue mosquitoes for estimating health risks and implementing vector control measures.
Evidence for a new sibling species of Anopheles minimus from the Ryukyu Archipelago, Japan.
TLDR
The morphological, cytogenetic, molecular, and hybridization evidence together suggest the existence of another sibling species of the An.
Host-Feeding Habits of Culex pipiens and Aedes albopictus (Diptera: Culicidae) Collected at the Urban and Suburban Residential Areas of Japan
ABSTRACT To evaluate the vectorial capacity of mosquitoes for viruses in Japan, the host-feeding habits of the mosquitoes were analyzed by sequencing polymerase chain reaction-amplified fragments of…
Effects of temperature and diet on development and interspecies competition in Aedes aegypti and Aedes albopictus
TLDR
The effects of temperature, diet and the presence of congeneric species on the performance of immature stages of these two aedine species in the laboratory help to explain the latitudinal distribution of the mosquitoes and degree of species dominance where they are sympatric.
Improvement of glycosylation structure by suppression of β-N-acetylglucosaminidases in silkworm.
PCR-based identification of Culex pipiens complex collected in Japan.
TLDR
This improved method allows the evaluation of vector competence of Cx.
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