Biomimetic approach for multifarious synthesis of nanoparticles using metal tolerant fungi: A mechanistic perspective

• Published in: Materials science & engineering. B, Solid-state materials for advanced technology Vol. 262; p. 114771
• Main Authors: Pareek, Vikram, Bhargava, Arpit, Panwar, Jitendra
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 01.12.2020; Elsevier BV
• Subjects: Biomimetics; Fungal secretome; Fungi; Gold; Gold (Au) nanoparticles; Metal tolerance; Multifarious synthesis; Nanoparticles; Penicillium janthinellum DJP06; Proteins; Silver; Silver (Ag) nanoparticles; Synthesis; Gold (Au) nanoparticles; Fungal secretome; Multifarious synthesis; Penicillium janthinellum DJP06; Metal tolerance; Silver (Ag) nanoparticles
• ISSN: 0921-5107; 1873-4944
• DOI: 10.1016/j.mseb.2020.114771

•Gold and silver metal tolerance ability of fungi isolated from metal mine.•Penicillium janthinellum DJP06 was found to synthesize multifarious nanoparticles.•Proteins were found to be involved in the synthesis of NPs.•More than one protein are involved in an interactive manner for synthesis of NPs. In present study, fungi isolated from metal rich site were explored for metal tolerance capacity and potential of multifarious synthesis of metal nanoparticles (NPs). Total 9 different fungi were isolated from rhizospeheric soils and molecularly characterized. Penicillium janthinellum DJP06 showed maximum metal tolerance capacity and synthesized gold and silver NPs. Detailed characterization confirmed the synthesis of protein capped, crystalline natured, spherical shaped gold and silver NPs. Mechanistic studies suggested involvement of fungal secretome proteins in the NPs synthesis. To find out the active protein(s) responsible for multifarious synthesis of NPs, the dialyzed proteins were fractionated by chromatography technique. Individual protein fractions were separately checked for their ability to synthesize NPs. Results suggested involvement of multiple proteins in an interactive manner for NPs synthesis. Testing the ability of these proteins for multifarious synthesis of other commercially important NPs will be an exciting future possibility.