alexa In vitro Potential of Endophytic Fungus Aspergillus ter
ISSN: 0974-8369

Biology and Medicine
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Research Article

In vitro Potential of Endophytic Fungus Aspergillus terreus (JAS-2) Associated with Achyranthus aspera and Study on its Culture Conditions

Jyoti Goutam1*, Shweta Singh1, Ravindra Nath Kharwar1 and Vijayakumar Ramaraj2

1Laborotary of Mycopathology, Department of Botany, Centre of advance study in Botany, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India

2Department of Microbiology, Sri Ramachandra Medical College & Research Institute, Porur, Chennai, Tamil Nadu 600116, India

*Corresponding Author:
Jyoti Goutam Centre of advance study in botany
Banaras Hindu University, Varanasi
Uttar Pradesh 221005, India
Tel: 919452917944
E-mail: [email protected]

Received date August 30, 2016; Accepted date: October 10, 2016; Published date: October 17, 2016

Citation: Goutam J, Singh S, Kharwar RN, Ramaraj V (2016) In vitro Potential of Endophytic Fungus Aspergillus terreus (JAS-2) Associated with Achyranthus aspera and Study on its Culture Conditions. Biol Med (Aligarh) 8:349. doi:10.4172/0974-8369.1000349

Copyright: © 2016 Goutam J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.



The present study explores the efficacy of an endophytic fungus from plant Achyranthus aspera, an herb of medicinal importance. Considering limitation of secreted fungal metabolites in terms of biologically active molecules; an endeavour was made to increase the amount of secreted active product. Enhanced secretion of active compound was observed by optimizing different parameters of culture conditions. The fungal culture was isolated from stem of Achyranthus aspera and taxonomically identified as Aspergillus terreus. While analysing it’s different in vitro potential, culture metabolites showed antibacterial, antifungal and anti-oxidant activity. In order to increase the yield of crude compounds, culture was optimized for different parameters such as carbon and nitrogen sources and extracting solvent. All the optimization was performed based on % inhibition of bacterial growth when challenged with 10 μg/μl metabolite concentration. Among different media used, potato dextrose broth (PDB) and sabouraud's dextrose broth (SDB) proven to be better media for growth of fungus as well as metabolites production. 1% yeast extract and 4% dextrose resulted in higher cell inhibition. Ethyl acetate served as good extracting solvent.


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