alexa An Endophytic Nodulisporium sp. Producing Volatile Organic Compounds Having Bioactivity and Fuel Potential
ISSN:2157-7463

Journal of Petroleum & Environmental Biotechnology
Open Access

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Research Article

An Endophytic Nodulisporium sp. Producing Volatile Organic Compounds Having Bioactivity and Fuel Potential

Morgan Tess Mends1#, Eizadora Yu2#, Gary A Strobel1*, Syed Riyaz-Ul-Hassan1+, Eric Booth1, Brad Geary3, Joe Sears4, Craig A Taatjes5 and Masood Z Hadi2,6
1Department of Plant Sciences, Montana State University, Bozeman, Montana, 59717, USA
2Biomass Conversion Technologies, Sandia National Laboratories, Livermore, California, 94551, USA
3Department of Plant and Wildlife Sciences, Brigham Young University, Provo, Utah, 84602, USA
4Center for Lab Services/RJ Lee Group, 2710 North 20th Ave., Pasco, Washington, 99301, USA
5Combustion Research Facility, Sandia National Laboratories, Livermore, California, 94551, USA
6Joint BioEnergy Institute, Emeryville, California, 94608, USA
#These authors contributed equally to the work completed on this project
+Microbial Biotechnology Division, Indian Institute of Integrative Medicine (CSIR), Canal Road, Jammu-180 001, India
Corresponding Author : Gary A Strobel
Department of Plant Sciences
Montana State University, Bozeman, Montana, 59717, USA
Tel: 1 406 994 5148
Fax: 1 406 994 7600
E-mail: [email protected]
Received February 15, 2012; Accepted March 08, 2012; Published March 10, 2012
Citation: Mends MT, Yu E, Strobel GA, Riyaz-Ul-Hassan S, Booth E, et al. (2012) An Endophytic Nodulisporium sp. Producing Volatile Organic Compounds Having Bioactivity and Fuel Potential. J Phylogenetics Evol Biol 3:117. doi:10.4172/2157-7463.1000117
Copyright: © 2012 Mends MT, 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.
 

Abstract

Nodulisporium sp. has been isolated as an endophyte of Myroxylon balsamum found in the upper Napo region of the Ecuadorian Amazon. This organism produces volatile organic compounds (VOCs) that have both fuel and biological potential. Under microaerophilic growth environments, the organism produces 1, 4-cyclohexadiene, 1-methyl- , 1-4 pentadiene and cyclohexene, 1-methyl-4-(1-methylethenyl)- along with some alcohols and terpenoids of interest as potential fuels. The fungus was scaled up in an aerated large fermentation flask, and the VOCs trapped by Carbotrap technology and analyzed by headspace solid –phase microextraction (SPME) fiber-GC/MS. Under these conditions, Nodulisporium sp. produces a series of alkyl alcohols starting with 1-butanol-3-methyl, 1- propanol-2-methyl, 1- pentanol, 1-hexanol, 1-heptanol, 1- octanol, 1-nonanol along with phenylethyl alcohol. The organism also produces secondary alkyl alcohols, esters, ketones, benzene derivatives, a few terpenoids, and some hydrocarbons. It appears that many of the products have fuel potential. Furthermore, the VOCs of Nodulisporium sp. were active against a number of pathogens causing death to both Aspergillus fumigatus and Rhizoctonia solani and severe growth inhibition produced in Phytophthora cinnamomi and Sclerotinia sclerotiorum within 48 hr of exposure. The Carbotrapped materials somewhat mimicked the bioactivities of the culture itself when certain test organisms were exposed to these VOCs. A brief discussion on the relationship of these fungal VOCs to those compounds found in transportation fuels is presented.

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