Bacillus amyloliquefaciens AG1 biosurfactant: Putative receptor diversity and histopathological effects on Tuta absoluta midgut

Khedher, Saoussen Ben; Boukedi, Hanen; Kilani-Feki, Olfa; Chaib, Ikbel; Laârif, Asma; Abdelkefi-Mesrati, Lobna; Tounsi, Slim

doi:10.1016/j.jip.2015.08.010

Cited by 37 publications

(18 citation statements)

References 47 publications

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“…As a result, they cause adverse effects on the environment and humans. Alternatively, different bacterial and fungal species have recently been reported to produce biosurfactants [16,17,20,21]. These biosurfactants have well known applications in the food industry and bioremediation of toxic pollutants, and therefore, have recently received attention in the pesticide industry and pest control [18,[22][23][24].…”

Section: History Of Biosurfactants As Biopesticidesmentioning

confidence: 99%

“…Surfactin produced by Bacillus amyloliquefaciens G1 showed insecticidal potency against the green peach aphid, Myzus persicae, by affecting the aphid cuticles and inducing significant dehydration of the cuticle membrane to cause death [77]. Moreover, Khedher et al (2015) [16] have reported the potential of B. amyloliquefaciens AG1 biosurfactant to control the Tuta absoluta larvae. The biosurfactant from this bacterium consists of lipopeptides and polyketides.…”

Section: Application Of Biosurfactants In Insect Pest Controlmentioning

confidence: 99%

“…Owing to their safe properties such as, low toxicity [10], high degree of biodegradability [11], high foaming capacity [12], and optimal activity at extreme environmental conditions [13], biosurfactants have recently received attention for their different applications in various fields (food industry, removal of oil and petroleum contamination, bioremediation of toxic pollutants and biopesticides). Currently, the interest in the use of biosurfactants as biopesticides has been growing fast [14][15][16][17] because of their environment-friendly characteristics and high degree of degradability. Thus, to reduce the adverse effects of synthetic pesticides on the environment and human health, biosurfactants could be one of the promising alternative options in the management of agricultural pests.…”

Section: Introductionmentioning

confidence: 99%

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Biosurfactants: Production and potential application in insect pest management

Edosa¹,

Keshavarz²,

Han³

et al. 2018

Trends in Entomology

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Biosurfactants are amphipathic surface-active molecules produced by bacteria, fungi, and yeast. Owing to their low toxicity, high degree of biodegradability, optimal activity at extreme environmental conditions, and environmental friendly nature, biosurfactants have received attention in pest management. Most recently, the insecticidal activities of the biosurfactants obtained from different bacterial species have been reported. Therefore, considering the role of biosurfactants in novel insecticide production and environmentally safe insect pest management, we reviewed the isolation and identification of the biosurfactant-producing bacteria, the production methods of biosurfactants, and their potential applications in insect pest management, as well as delineated the possible future research areas. Finally, we concluded that, in the near future, biosurfactants will be the green pesticides that will replace the synthetic pesticides, and thus, for the discovery of novel insecticides, biochemical and molecular approaches, such as genomic and transcriptomic studies, are appreciable.

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Section: History Of Biosurfactants As Biopesticidesmentioning

confidence: 99%

Section: Application Of Biosurfactants In Insect Pest Controlmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biosurfactants: Production and potential application in insect pest management

Edosa¹,

Keshavarz²,

Han³

et al. 2018

Trends in Entomology

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“…Moreover, these insecticides also negatively impact the natural enemy populations of T. absoluta (Arnó and Gabarra 2011;Biondi et al 2013;Abbes et al 2015) owing to multiple potential side effects as described by Desneux et al (2007) in a review. The effectiveness of biological control using entomopathogenic organisms (González-Cabrera et al 2011;Ben Khedher et al 2015) beneficial insects (Ferracini et al 2012;Chailleux et al 2012;Chailleux et al 2013;Öztemiz 2013;Salehi et al 2016) present valuable alternative methods to synthetic pesticides. For example, the use of certain Miridae as Macrolophus pygmaeus Rambur or Dicyphus maroccanus Wagner appears to be a reliable biological alternative for the control of T. absoluta (Urbaneja et al 2013;Abbas et al 2014;Jaworski et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Oviposition deterrent activity of basil plants and their essentials oils against Tuta absoluta (Lepidoptera: Gelechiidae)

Yarou

Bawin

Boullis

et al. 2017

Environ Sci Pollut Res

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The leafminer Tuta absoluta Meyrick (Lepidoptera: Gelechiidae) is one of the most important pests of tomato, reducing crop yields by up to 100% in greenhouses and fields, in several countries globally. Because synthetic insecticides lead to resistance and have adverse effects on natural enemies and the health of producers, alternative control methods are needed. In this study, we assessed the oviposition-deterring effect of basil plants, Ocimum gratissimum L. and O. basilicum L. (Lamiaceae), using dual-choice behavioural assays performed in flight tunnels. We found that both plants significantly reduced T. absoluta oviposition behaviour on a tomato plant located nearby. To evaluate the potential effect of basil volatile organic compounds, we formulated essential oils of both plant species in paraffin oil, and observed a similar oviposition-deterring effect. Gas chromatography analyses detected 18 constituents in these essential oils which the major constituents included thymol (33.3%), p-cymene (20.4%), γ-terpinene (16.9%), myrcene (3.9%) in O. gratissimum and estragol (73.8%), linalool (8.6%), β-elemene (2.9%) and E-β-ocimene (2.6%) in O. basilicum. Twenty and 33 compounds were identified of the volatiles collected on O. gratissimum and O. basilicum plants, respectively. The main components include the following: p-cymene (33.5%), γ-terpinene (23.6%), α-terpinene (7.2%), α-thujene (6.7%) and E-α-bergamotene (38.9%) in O. gratissimum, and methyl eugenol (26.1%), E-β-ocimene (17.7%), and linalool (9.4%) in O. basilicum. Four compounds (α-pinene, β-pinene, Myrcene, Limonene) were common in essential oils and plants. Our results suggest the valuable potential of basil and associated essential oils as a component of integrated management strategies against the tomato leafminer.

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“…Control of both T. absoluta and P. operculella is essential. Several biological control agents have been reported as candidates for integrated pest management programs: in addition to the use of parasitoids, entomopathogenic microbial agents such as fungi, bacteria and viruses, can be applied as control methods (Ben Khedher et al., ; Biondi, Desneux, Amiens‐Desneux, Siscaro, & Zappala, ; Chailleux, Biondi, Han, Tabone, & Desneux, ; Contreras et al., ; Gómez Valderrama et al., ; Pires et al., ). Phthorimaea operculella granulovirus (PhopGV) infects larvae of both T. absoluta and P. operculella and is hence considered as a potential agent for biological control of both pest insects (Gómez Valderrama et al., ; Mascarin et al., ).…”

Section: Introductionmentioning

confidence: 99%

The potential of novel African isolates of Phthorimaea operculella granulovirus for the control of Tuta absoluta

Tiba

Larem

Laârif

et al. 2018

J Applied Entomology

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Phthorimaea operculella granulovirus (PhopGV) is infectious for larvae of different Gelechiidae insect species, including Tuta absoluta and Phthorimaea operculella. As these are major economic pests in North and sub‐Saharan Africa as well as in the Mediterranean area, the development of locally suitable biocontrol agents is essential. We have studied five isolates of PhopGV from Tunisia (Tns16, Tu1.11 and Tu2.11), Kenya (Ken13) and Yemen (Ym14) for their biological activity and the sequence polymorphism of their granulin and ecdysteroid UDP‐glucosyltransferase (egt) genes and allocated the isolates to two different egt types. Infection experiments with neonate larvae of T. absoluta and P. operculella demonstrated their pathogenicity to both host species. The isolate PhopGV Tu1.11 was the most virulent one for T. absoluta but had a relatively low infectivity to two P. operculella populations originating from Italy and Tunisia.

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Bacillus amyloliquefaciens AG1 biosurfactant: Putative receptor diversity and histopathological effects on Tuta absoluta midgut

Cited by 37 publications

References 47 publications

Biosurfactants: Production and potential application in insect pest management

Biosurfactants: Production and potential application in insect pest management

Oviposition deterrent activity of basil plants and their essentials oils against Tuta absoluta (Lepidoptera: Gelechiidae)

The potential of novel African isolates of Phthorimaea operculella granulovirus for the control of Tuta absoluta

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