Related Experiment Video
Updated: Aug 5, 2026

08:20
Sexual Development and Ascospore Discharge in Fusarium graminearum
Published on: March 29, 2012
Tissue-Specific Transcriptomic Programs Coordinate Fruiting Body Formation and Development in Grifola frondosa
Meiyan Zhang1, Qiaozhen Li1, Zhen Xu1
1Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, National Engineering Research Center of Edible Fungi, Shanghai 201403, China.
Journal of Fungi (Basel, Switzerland)
|July 27, 2026
Summary
This study reveals molecular insights into edible mushroom (Grifola frondosa) development. Different tissues show unique gene expression, aiding understanding of fruiting body formation and spore production.
Area of Science:
- Mycology
- Molecular Biology
- Developmental Biology
Background:
- Grifola frondosa is an economically significant edible mushroom.
- Molecular mechanisms of its fruiting body development are not well understood.
Purpose of the Study:
- To investigate tissue-specific characteristics and roles during G. frondosa fruiting body formation.
- To provide a molecular resource for understanding its development.
Main Methods:
- Integrated transcriptomic, biochemical, and morphological analyses.
- Collected five sample types representing developmental stages: spawn (S), white mycelial film (WM), gray mycelial mat (GM), fruiting body base (B), and pileus (P).
Main Results:
- Spawn (S) showed high cellulase activity for carbon supply.
- White mycelial film (WM) exhibited active metabolism and surface protection genes.
- Gray mycelial mat (GM) displayed primordium initiation-related genes.
- Fruiting body base (B) and pileus (P) upregulated meiosis genes for spore production.
Conclusions:
- Distinct molecular programs govern tissue-specific development in G. frondosa.
- Identified candidate genes for future functional validation in mushroom development.
Related Concept Videos
Fruit Development, Structure, and Function
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
Gene Regulation During Sporulation
Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
Fungal Group Zygomycota
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
Overview of Fungi
Fungi are a diverse group of eukaryotes more closely related to animals than other eukaryotes. Fungal cell walls comprise chitin, a polysaccharide that provides structural strength, and glucans, which contribute to flexibility and integrity. Other polysaccharides, such as mannans and galactosans, may supplement or replace chitin in some fungi. These adaptations, along with their preference for acidic environments and tolerance for high osmotic pressure, enable fungi to thrive in various...
Plant Tissues
Plants are multicellular eukaryotes with tissue systems made of various cell types that carry out specific functions. Different tissues work together to perform a unique function and form an organ. Organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system and a root system. The shoot system consists of two portions: the vegetative (non-reproductive) parts of the plant, such as the leaves and the stems, and the reproductive parts of the plant,...
Transgenic Plants
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...

