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Sexual Development and Ascospore Discharge in Fusarium graminearum

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Published on: March 29, 2012

Perithecium morphogenesis in Sordaria macrospora.

Kathryn M Lord¹, Nick D Read

¹Fungal Cell Biology Group, Institute of Cell Biology, University of Edinburgh, Rutherford Building, Edinburgh EH93JH, UK.

Fungal Genetics and Biology : FG & B

|December 8, 2010

Summary

This summary is machine-generated.

Sordaria macrospora

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Area of Science:

Mycology
Developmental Biology
Cell Biology

Background:

The self-fertile ascomycete Sordaria macrospora's perithecium is a model for fungal multicellular development.
Fungal multicellular structures form via hyphal aggregation, adhesion, specialization, and septation.

Purpose of the Study:

To analyze perithecium morphogenesis in Sordaria macrospora wild type and developmental mutants.
To detail cell-type involvement and developmental stages.

Main Methods:

Correlative microscopy techniques were employed.
Analysis focused on wild-type and eight developmental mutants of S. macrospora.

Main Results:

Perithecial morphogenesis involves three stages: ascogonial, protoperithecial, and perithecial.
At least 13 specialized cell types, including hyphae, conglutinate cells, and spores, are involved.
Hypha-conglutinate cell transitions are crucial for perithecial wall and neck development.

Conclusions:

Sordaria macrospora perithecium development involves complex cell-type interactions and transitions.
Understanding these processes offers insights into fungal multicellularity.