Results 181 to 190 of about 544,512 (208)

kdr: can a single mutation produce an entire insecticide resistance phenotype?

Transactions of the Royal Society of Tropical Medicine and Hygiene, 2008
Knockdown resistance (kdr) is closely associated with DDT and pyrethroid resistance in the major malaria vector Anopheles gambiae and is considered to be causative of the resistance phenotype. The same association does not apply to Sudanese populations of the closely related malaria vector A. arabiensis.
Basil Brooke
exaly   +3 more sources

Toxicological and molecular characterization of pyrethroid-resistant horn flies, Haematobia irritans: identification of kdr and super-kdr point mutations

Insect Biochemistry and Molecular Biology, 1997
Two pyrethroid-resistant strains of horn flies were found to be 17- and 688-fold more resistant to permethrin and 17- and 11,300-fold more resistant to cyhalothrin than a susceptible control strain. Synergism experiments with piperonyl butoxide showed that both target site insensitivity and metabolic resistance mechanisms were present in the Super ...
F D, Guerrero, R C, Jamroz, D, Kammlah, S E, Kunz   +3 more
openaire   +2 more sources

First report of L1014F kdr mutation inCulex quinquefasciatusin Mexico

Insect Science, 2015
AbstractThe L1014F mutation in the voltage‐sodium channel gene has been associated with resistance to DDT and pyrethroids in various arthropod species including mosquitoes. We determined the frequency of the L1014F kdr mutation in 16 field populations ofCulex quinquefasciatusfrom Northeastern Mexico collected between 2008 and 2013.
Gustavo, Ponce, Iram P, Sanchez, Selene M, García, Jose M, Torrado, Saúl, Lozano-Fuentes, Beatriz, Lopez-Monroy, Adriana E, Flores   +6 more
openaire   +2 more sources

REDUCED SUSCEPTIBILITY TO DELTAMETHRIN AND KDR MUTATION IN ANOPHELES STEPHENSI LISTON, A MALARIA VECTOR IN INDIA

Journal of the American Mosquito Control Association, 2006
The Indian urban malaria vector Anopheles stephensi Liston was selected for deltamethrin resistance for 25 generations (F25) at larval and adult stages separately in the laboratory. There was roughly a 151-fold increase in the lethal concentration (LC)50 and a 99-fold increase in the LC90 in larval selection, when the F25 was compared with the parent ...
P Balakrishna Murthy
exaly   +3 more sources

The Knockdown Resistance (kdr) Mutation in Pyrethroid-Resistant German Cockroaches

Pesticide Biochemistry and Physiology, 1998
Abstract A point mutation in thepara-homologous sodium channel gene has been shown to be associated with knockdown resistance (kdr) in several insect species including the German cockroach. In this study, we analyzed the genomic organization of the region where thekdrmutation resides and then performed polymerase chain reaction (PCR) and sequencing ...
Ke Dong, Steven M. Valles, Mike E. Scharf, Brian Zeichner, Gary W. Bennett   +4 more
openaire   +1 more source

Cross resistance to brevetoxin-3 by kdr and super-kdr mutations in house flies

Pesticide Biochemistry and Physiology
The dinoflagellate Karenia brevis is a causative agent of red tides in the Gulf of Mexico and generates a potent family of structurally related brevetoxins that act via the voltage-sensitive Na+ channel. This project was undertaken to better understand the neurotoxicology and kdr cross-resistance to brevetoxins in house flies by comparing the ...
Daniel R, Swale, Jeffrey R, Bloomquist, Sarah E, McComic, Edwin R, Burgess   +3 more
openaire   +2 more sources

First detection of kdr, kdr-his, and super-kdr type mutations in Musca domestica (Diptera: Muscidae) from Argentina

Journal of Economic Entomology
Abstract The house fly, Musca domestica L. (Diptera: Muscidae), is a cosmopolitan pest that poses health risks to humans and domesticated animals. Pyrethroid insecticides target the insect voltage-sensitive sodium channel (VSSC) and have been widely used to control house flies in poultry farms in Argentina for more than 3 decades.
Romina V Piccinali, Roca-Acevedo Gonzalo, Paredes Viviana, Ariel C Toloza   +3 more
openaire   +2 more sources

Detection and Distribution of V1016IkdrMutation in the Voltage-Gated Sodium Channel Gene inAedes aegypti(Diptera: Culicidae) Populations From Sergipe State, Northeast Brazil

Journal of Medical Entomology, 2016
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)CAPES: CAPES/FAPITEC 2345/2012Aedes aegypti (L.) resistance to pyrethroids was recorded in Brazil few years after its ...
Silvio Santana Dolabella, Ademir Martins, Sona Jain   +2 more
exaly   +2 more sources

Insecticide resistance in Trialeurodes vaporariorum populations and novel diagnostics for kdr mutations

Pest Management Science, 2017
AbstractBACKGROUNDNeonicotinoids, pyrethroids and ketoenols are currently used for the control of Trialeurodes vaporariorum (Hemiptera: Aleyrodidae). In this study, insecticide resistance status and mechanisms were investigated using classical bioassays and molecular techniques.RESULTSDose–response bioassays were performed on 19 Greek populations ...
Despoina E Kapantaidaki, Eldem Sadikoglou, Dimitra Tsakireli, Vasileios Kampanis, Marianna Stavrakaki, Corinna Schorn, Aris Ilias, Maria Riga, George Tsiamis, Ralf Nauen, George Skavdis, John Vontas, Anastasia Tsagkarakou   +12 more
openaire   +2 more sources

Distribution and frequency of ace-1 and kdr mutations of Culex pipiens subgroup in the Republic of Korea

Acta Tropica
Mosquitoes in the Culex pipiens subgroup are the primary vectors of the West Nile virus. Two members, Culex pallens and Culex pipiens f. molestus, are present in the Republic of Korea (ROK). Because the Culex pipiens subgroup occurs in large amounts, often near human habitation, it is frequently exposed to various insecticides, which is probably ...
Jiseung Jeon, Jihun Ryu, Kwang Shik Choi
openaire   +2 more sources