Culture analysis and external interaction models of mycelial growth

To investigate morphogenesis and in particular circularization mechanisms in young mycelia, we observe cultures of the zygomyceteMucor spinosus and develop discrete models of two-dimensional filamental branching growth. The models are based on the hypothesis that the fungus secretes a regulatory substance that diffuses into the surrounding medium and is detected by the growing hyphae. We also present a simple Markovian growth model without such a feedback, but yielding to analytical computations.

[1]  M. Coster,et al.  Précis d'analyse d'images , 1989 .

[2]  A P Trinci,et al.  A model for hyphal growth and branching. , 1979, Journal of general microbiology.

[3]  DAN COHEN,et al.  Computer Simulation of Biological Pattern Generation Processes , 1967, Nature.

[4]  M. Jaeger.  Représentation et simulation de croissance des végétaux , 1987 .

[5]  Frederic Blaise.  Simulation du parallelisme dans la croissance des plantes et applications , 1991 .

[6]  G. Werner,et al.  [Analysis of chemotropism in fungi, especially in Saprolegniaceae]. , 1955, Hoppe-Seyler´s Zeitschrift für physiologische Chemie.

[7]  A. Bell.  The simulation of branching patterns in modular organisms , 1986 .

[8]  H. Honda,et al.  COMPUTER SIMULATION OF BRANCH INTERACTION AND REGULATION BY UNEQUAL FLOW RATES IN BOTANICAL TREES , 1981 .

[9]  A. Bell,et al.  Branching patterns: the simulation of plant architecture. , 1979, Journal of theoretical biology.

[10]  Marc Jaeger,et al.  Plant models faithful to botanical structure and development , 1988, SIGGRAPH.

[11]  E D Gilles,et al.  Measurement and simulation of the morphological development of filamentous microorganisms , 1992, Biotechnology and bioengineering.

[12]  Paulien Hogeweg,et al.  A model study on biomorphological description , 1974, Pattern Recognit..

[13]  R. Walde,et al.  L-system computer simulations of branching divergence in some dorsiventral members of the tribe Polysiphonieae (Rhodomelaceae, Rhodophyta) , 1992 .

[14]  G. Bard Ermentrout,et al.  Models for branching networks in two dimensions , 1989 .

[15]  G. M. Butler.  Growth of Hyphal Branching Systems in Coprinus disseminatus , 1961 .

[16]  K. R. Clarke,et al.  Control of hyphal orientation in colonies of Mucor hiemalis , 1980 .

[17]  Karl J. Niklas,et al.  Mechanical and photosynthetic constraints on the evolution of plant shape , 1984, Paleobiology.

[18]  E. Gilles,et al.  Mathematical model for apical growth, septation, and branching of mycelial microorganisms , 1992, Biotechnology and bioengineering.

[19]  P. Robinson.  Practical fungal physiology. , 1979 .

[20]  Leah Edelstein,et al.  The propagation of fungal colonies: a model for tissue growth , 1982 .

[21]  E. Renshaw,et al.  Morphology of the Structural Root System of Sitka Spruce 2. Computer Simulation of Rooting Patterns , 1983 .

[22]  Lee A. Segel,et al.  Growth and metabolism in mycelial fungi , 1983 .

[23]  Nils Fries.  Untersuchungen über Sporenkeimung und Mycelentwicklung bodenbewohnender Hymenomyceten , 1943 .