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Ion beam mutagenesis in Arthrobotrys oligospora enhances nematode-trapping ability.

Authors
  • Wang, Jun1
  • Wang, Rui
  • Yang, Xiaoye
  • 1 College of Life Science, Inner Mongolia University, Hohhot 010021, China. [email protected] , (China)
Type
Published Article
Journal
Current microbiology
Publication Date
Jun 01, 2013
Volume
66
Issue
6
Pages
594–598
Identifiers
DOI: 10.1007/s00284-013-0322-9
PMID: 23370734
Source
Medline
License
Unknown

Abstract

The nematode-trapping fungus Arthrobotrys oligospora is able to produce extracellular protease that degrades the body walls of parasitic nematode larvae found in livestock and immobilizes the nematodes. Our aim was to obtain a strain of A. oligospora with a strong ability to trap nematodes by production of high levels of extracellular protease. A wild type strain of A. oligospora was subjected to mutagenic treatments involving low-energy ion beam implantation to generate mutants. Among these mutants, A. oligospora N showed high efficiency in trapping nematodes and was also able to secrete more extracellular protease, helping it to penetrate and digest the body walls of larvae. This work represents the first application of low-energy ion beams to generate mutations in a nematode-trapping fungus, and provides a new method of obtaining a fungus with high potential application.

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