Myco-synthesis of silver nanoparticles using Metarhizium anisopliae against the rural malaria vector Anopheles culicifacies Giles (Diptera: Culicidae)

Abstract

Each year, mosquito-borne diseases infect nearly 700 million people, resulting more than one million deaths. In this study, we proposed a Metarhizium anisopliae-based method of green synthesis of silver nanoparticles to control the rural malaria vector Anopheles culicifacies. Silver nanoparticles were characterized by UV–Vis spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray analysis, and X-ray diffraction. In acute toxicity experiments, larvae (I–IV instar) and pupae of A. culicifacies were exposed to M. anisopliae-synthesized silver nanoparticles (15, 30, 45, 60, and 75 ppm). LC50 of silver nanoparticles was 32.8 ppm (I), 39.8 ppm (II), 45.9 ppm (III), 51.9 (IV), and 60.0 ppm (pupa). Lower dosages of myco-synthesized silver nanoparticles have detrimental effects on larval and pupal development of A. culicifacies. EI50 was 14.9 ppm. Overall, this research highlighted that myco-synthesized silver nanoparticles can be proposed as effective tools for eco-friendly control of the rural malaria vector A. culicifacies

Do Chenopodium ambrosioides-Synthesized Silver Nanoparticles Impact Oryzias melastigma Predation Against Aedes albopictus Larvae?

“…4). The present finding corroborates previous reports on AgNP biosynthesis using botanical and microbial products [3,43,[50][51][52]67]. XRD patterns showed intense peaks corresponding to the (111), (200), (220), (311) and (222) sets of lattice planes (Fig.…”

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Seaweed-synthesized silver nanoparticles: an eco-friendly tool in the fight against Plasmodium falciparum and its vector Anopheles stephensi?

“…The plant-mediated biosynthesis (i.e., Bgreen synthesis^) of nanoparticles is advantageous over chemical and physical methods, since it is cheap, single-step, does not require high pressure, energy, temperature, and the use of highly toxic chemicals (Sinha et al 2009). In particular, a growing number of plants and fungi have proposed for efficient and rapid extracellular synthesis of silver and gold nanoparticles (see Benelli 2015c for a recent review), which showed excellent mosquitocidal properties, also in field conditions (e.g., Arjunan et al 2012;Roni et al 2013;Amerasan et al 2015;Dinesh et al 2015;Murugan et al 2015a, b, c, d;Sujitha et al 2015;Suresh et al 2015).…”

Plant-borne ovicides in the fight against mosquito vectors of medical and veterinary importance: a systematic review

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