1. The effect of carbon source on trap formation by Arthrobotrys conoides
- Author
-
A. W. James and R. J. Nowakowski
- Subjects
Glycerol ,Hypha ,Nematoda ,Starch ,Immunology ,Pentoses ,Carbohydrates ,Fungus ,Applied Microbiology and Biotechnology ,Microbiology ,chemistry.chemical_compound ,Valine ,Carbon source ,Botany ,Genetics ,Molecular Biology ,Hexoses ,chemistry.chemical_classification ,biology ,Conoides ,Cell Differentiation ,General Medicine ,Carbohydrate ,biology.organism_classification ,Amino acid ,chemistry ,Mitosporic Fungi - Abstract
The nematode-trapping fungus Arthrobotrys conoides grows as typical vegetative hyphae on laboratory media containing glucose or starch as sole carbon source. However, in the presence of nematodes, "nemin", and several of the aliphatic amino acids (such as valine), this predacious fungus forms traps which are composed of sticky loops. The present studies show that, when A. conoides is grown on a semisynthetic medium in which various carbohydrates are substituted for glucose as the carbon source available for growth, the nature of the carbohydrate exerts a major effect on the induction of trap formation.
- Published
- 1968