Using Lindenmayer Systems to Investigate How Filamentous Fungi May Produce Round Colonies

		/vol02/f_soddel/	© Copyright 1995
		Volume 02	Received: Accepted:	---- ----

Using Lindenmayer Systems to Investigate How Filamentous Fungi May Produce Round Colonies Fran Soddell, Robert Seviour, Jacques Soddell
Abstract
	L systems are string rewriting mechanisms used to create images of complex organisms from a simple set of an axiom and production rules. This study used L systems to investigate how filamentous fungi may form circular colonies. Deterministic, stochastic, and parametric 0L systems were designed using rules based on known characteristics of growth and development of these organisms. Realistic two-dimensional images simulating fungi-forming circular colonies on solid media were generated. Published data on Mucor hiemalis were incorporated into L systems rules, and preliminary results of a current investigation of Mucor M41 are presented. The data suggest that branching angles of in the early stages of growth, and changes in direction of growing hyphae may be significant. These have not been considered before as mechanisms for producing circular colonies. It was found that L systems are not only alternatives to conventional models but also excellent experimental tools.

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