Related Experiment Video
Updated: Jul 24, 2026

10:59
Recording Multicellular Behavior in Myxococcus xanthus Biofilms using Time-lapse Microcinematography
Published on: August 6, 2010
Pattern formation: fruiting body morphogenesis in Myxococcus xanthus
L Jelsbak1, L Søgaard-Andersen
1Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark.
Current Opinion in Microbiology
|December 21, 2000
Summary
Starvation triggers Myxococcus xanthus cells to stop swarming and form fruiting bodies. Researchers identified the C-signal as key to this aggregation, revealing how it guides pattern formation.
Area of Science:
- Microbiology
- Developmental Biology
- Cellular Biology
Background:
- Myxococcus xanthus exhibits complex social behaviors, including multicellular development.
- Starvation induces a transition from individual cell motility to the formation of multicellular structures called fruiting bodies.
Purpose of the Study:
- To elucidate the molecular mechanisms underlying starvation-induced aggregation in Myxococcus xanthus.
- To understand the role of the cell-surface-associated C-signal in modulating cell behavior and pattern formation.
Main Methods:
- Behavioral analyses of Myxococcus xanthus.
- Identification of components within the C-signal transduction pathway.
Main Results:
- The C-signal is identified as the primary inducer of cell aggregation.
- Key components of the C-signal transduction pathway have been elucidated.
- The C-signal's influence on cell behavior and developmental patterning is being revealed.
Conclusions:
- The C-signal acts as a cell-surface-associated morphogen.
- These findings establish a framework for understanding how extracellular signals drive pattern formation in Myxococcus xanthus development.
Related Concept Videos
Morphogenesis
Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
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.
Microbial Morphologies
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
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...
Diversity of Protists IV
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...

