Synergists action of piperonyl butoxide and S,S,S-tributyl phosphorotrithioate on toxicity of carbamate insecticides against  Blattella germanica

Sanei-Dehkordi, Alireza; Abadi, Yaser Salim; Nasirian, Hassan; Hazratian, Teimour; Gorouhi, Mohammad Amin; Yousefi, Saideh; Paksa, Azim

doi:10.1016/j.apjtm.2017.09.010

Cited by 24 publications

(12 citation statements)

References 34 publications

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“…This may be attributable to the application protocol utilized in this study or to the concentration at which PBO was applied. Numerous studies have shown that the efficacy of PBO as a synergist is dependent on the concentration at which it is applied (Hewlett, 1969;Guglielmone et al, 1999;Dehkordi et al, 2017;Nikpour et al, 2017). This is further evidenced by the inability of PBO to increase the toxicity of both type II pyrethroids screened in this study (deltamethrin and -cyfluthrin).…”

Section: Discussionmentioning

confidence: 99%

Plant essential oils synergize various pyrethroid insecticides and antagonize malathion in Aedes aegypti

Norris

Gross

Coats

2019

Medical Vet Entomology

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Abstract.Pyrethroid resistance is a significant threat to agricultural, urban and public health pest control activities. Because economic incentives for the production of novel active ingredients for the control of public health pests are lacking, this field is particularly affected by the potential failure of pyrethroid‐based insecticides brought about by increasing pyrethroid resistance. As a result, innovative approaches are desperately needed to overcome insecticide resistance, particularly in mosquitoes that transmit deadly and debilitating pathogens. Numerous studies have demonstrated the potential of plant essential oils to enhance the efficacy of pyrethroids. The toxicity of pyrethroids combined with plant oils is significantly greater than the baseline toxicity of either oils or pyrethroids applied alone, which suggests there are synergistic interactions between components of these mixtures. The present study examined the potential of eight plant essential oils applied in one of two concentrations (1% and 5%) to enhance the toxicity of various pyrethroids (permethrin, natural pyrethrins, deltamethrin and β‐cyfluthrin). The various plant essential oils enhanced the pyrethroids to differing degrees. The levels of enhancement provided by combinations of plant essential oils and pyrethroids in comparison with pyrethroids alone were calculated and synergistic outcomes characterized. Numerous plant essential oils significantly synergized a variety of pyrethroids; type I pyrethroids were synergized to a greater degree than type II pyrethroids. Eight plant essential oils significantly enhanced 24‐h mortality rates provided by permethrin and six plant essential oils enhanced 24‐h mortality rates obtained with natural pyrethrins. By contrast, only three plant essential plants significantly enhanced the toxicity of deltamethrin and β‐cyfluthrin. Of the plant essential oils that enhanced the toxicity of these pyrethroids, some produced varying levels of synergism and antagonism. Geranium, patchouli and Texas cedarwood oils produced the highest levels of synergism, displaying co‐toxicity factors of > 100 in some combinations. To assess the levels of enhancement and synergism of other classes of insecticide, malathion was also applied in combination with the plant oils. Significant antagonism was provided by a majority of the plant essential oils applied in combination with this insecticide, which suggests that plant essential oils may act to inhibit the oxidative activation processes within exposed adult mosquitoes.

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Section: Discussionmentioning

confidence: 99%

Plant essential oils synergize various pyrethroid insecticides and antagonize malathion in Aedes aegypti

Norris

Gross

Coats

2019

Medical Vet Entomology

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“…Эти данные указывают на участие MO в формировании толерантности к изученным карбаматам. В то же время ППБ не устраняет резистентность, что указывает на наличие других механизмов резистентности, таких как снижение проницаемости кутикулы для инсектицидов и нечувствительность ацетилхолинэстеразы [31]. Со-гласно нашим данным наиболее активным синергистом пропоксура оказался ТБТФ, однако величины КСД были значительно меньшими, чем в случае с хлорпирифосом.…”

Section: Discussionunclassified

Resistance Mechanisms to Chlorpyrifos and Propoxur in German Cockroach Blattella Germanica (L.) (Blattodea: Ectobiidae)

Eremina¹,

Olifer²,

Lopatina³

2019

Med Parazitol

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Тараканы Blattella germanica (L.) из Москвы (линия Bg-М1), Обнинска (Bg-ОБН) и Екатеринбурга (Bg-У1) проявляли среднюю резистентность к ФОС (показатель резистентности (ПР) к хлорпирифосу Bg-М1-13×, Bg-ОБН-15×, Bg-У1-18×) и чувствительность или слабую толерантность (ПР к пропоксуру-1,8×, 0,7×, 0,8×, соответственно). Механизмы резистентности исследовали топикальным методом с помощью ингибиторов различных систем детоксикации-монооксигеназ (ППБ), эстераз (ТБТФ), глутатион-S-трансфераз (ДЭМ) и АВС-транспортеров (верапамил)-в сочетании с 5-7 концентрациями инсектицидов. Устойчивость к ФОС и карбаматам была значительно снижена с помощью ТБТФ, что свидетельствует о значитеольном вкладе эстераз в резистентность тараканов к хлорпирифосу (коэффициент сиренгического действия (КСД) 38-146) и пропоксуру (КСД 2.5-8.0). Вклад других ферментных систем-монооксигеназ и глутатион-S-трансфераз, а также АВС-транспортеров был менее выражен.

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“…Cockroaches have been adapted with the human life environments including hospitals [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] . They can pose some risks to humans such as transfer of pathogens to humans which may cause serious illness.…”

Section: Introductionmentioning

confidence: 99%

Recent cockroach bacterial contamination trend in the human dwelling environments: A systematic review and meta-analysis

Nasirian

2019

Bangladesh J Med Sci

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Background: Cockroaches have been compromised with the human environment posing some risks to humans. Objective: A systematic review and meta-analysis study about the bacterial contamination of cockroaches in the human dwelling environmentswere investigated. Methodology: Relevant topics about bacterial contamination of cockroaches were collected from scientific websites between January 2016 and January 2017. After a preliminary review 32 of the collected topics were selected to become part of the detailed synthesis meta-analysis review. Results: Results showed that the global mean bacterial contamination trend of cockroaches and Periplaneta americana ranged 45.0-80.0 and 55.0-75.0 %, respectively which were increased while it were 90.0-50.0 % for Blattella germanica which decreased in recent years. The global mean bacterial contamination of cockroaches, P. americana and B. germanica was also 67.9, 72.9 and 62.9 %, respectively which P. Americana had the most global mean bacterial contamination. Statistical analysis didn’t show any significant differences between any combination of bacterial contamination of the cockroaches, and P. americana and B. germanica surfaces such as totalexternal, total-internal and external-internal; any type environment of cockroaches, P. americana and B. germanica including households, hospitals and miscellaneous; any combination of bacterial contamination such as between total-total, external-external and internal-internal surfaces of the P. americana and B. germanica; and P. americana and B. germanica in combination environments of households-households, hospitals-hospitals and miscellaneous-miscellaneous (P > 0.05). Conclusions: The external and internal surfaces of any type cockroach have equal importance ofbacterial contamination and they threaten human health in the any type environment. Bangladesh Journal of Medical Science Vol.18(3) 2019 p.540-545

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Synergists action of piperonyl butoxide and S,S,S-tributyl phosphorotrithioate on toxicity of carbamate insecticides against Blattella germanica

Cited by 24 publications

References 34 publications

Plant essential oils synergize various pyrethroid insecticides and antagonize malathion in Aedes aegypti

Plant essential oils synergize various pyrethroid insecticides and antagonize malathion in Aedes aegypti

Resistance Mechanisms to Chlorpyrifos and Propoxur in German Cockroach Blattella Germanica (L.) (Blattodea: Ectobiidae)

Recent cockroach bacterial contamination trend in the human dwelling environments: A systematic review and meta-analysis

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