Related Experiment Video
Updated: Jun 6, 2026
06:39
Double-Staining Method to Detect Pectin in Plant-Fungus Interaction
Published on: February 4, 2022
Synchytrium solstitiale sp. nov. causing a false rust on Centaurea solstitialis in France
1European Biological Control Laboratory, U.S.D.A. Agricultural Research Service, Campus International de Baillarguet, CS 90013, Montferrier sur Lez, 34988 St. Gely du Fesc CEDEX, France.
Mycologia
|December 15, 2010
Summary
A new plant pathogen, Synchytrium solstitiale, has been identified infecting Common Star-thistle in France. This fungus causes distinctive galls on plant leaves and petioles.
Area of Science:
- Plant Pathology
- Mycology
- Botany
Background:
- Plant diseases caused by fungi impact agriculture and ecosystems.
- Accurate identification of pathogens is crucial for disease management.
- The genus Synchytrium comprises obligate plant parasites with unique life cycles.
Purpose of the Study:
- To describe and illustrate a newly discovered species of Synchytrium.
- To differentiate the new species from known Synchytrium species based on morphological characteristics.
Main Methods:
- Morphological analysis of the pathogen infecting Centaurea solstitialis.
- Microscopic examination of sporangia, zoospores, and resting spores.
- Comparative analysis with existing Synchytrium species descriptions.
Main Results:
- A new species, Synchytrium solstitiale, was identified infecting Centaurea solstitialis in France.
- The pathogen induces characteristic orange to red galls on leaves and petioles.
- S. solstitiale is distinguished by larger sporangia and zoospores, and a unique resting spore formation without an evanescent prosoral stage.
Conclusions:
- Synchytrium solstitiale represents a novel fungal species.
- The distinct morphological features of S. solstitiale warrant its classification as a new species.
- This discovery contributes to the understanding of fungal biodiversity and plant-pathogen interactions.
Related Concept Videos
01:30Bacterial Phylum Spirochaetes
Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased by a...
01:26Rocky Mountain Spotted Fever
Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
01:28Fungal Phylum Microsporidia
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
01:29The Photochemical Reaction Center
Reaction centers are pigment-protein complexes that initiate energy conversion from photons to chemical entities. Therefore, photochemical reaction center is a more appropriate term that describes these complexes. The Nobel laureates Robert Emerson and William Arnold provided the first experimental evidence of photochemical reaction centers by demonstrating the participation of nearly 2,500 chlorophyll molecules for the release of just one molecule of oxygen. Despite thousands of photosynthetic...
02:25Centrosome Duplication
The primary microtubule organizing center (MTOC) in animal cells is the centrosome. A centrosome has two cylindrical centrioles at its core. Each centriole consists of nine sets of three microtubules held together by proteins. The centrioles are positioned at right angles to each other and surrounded by a shapeless protein cloud called the pericentriolar matrix, or pericentriolar material (PCM).
To ensure that each daughter cell receives a centrosome after cell division, centrosome duplication...
To ensure that each daughter cell receives a centrosome after cell division, centrosome duplication...
03:45Formation of Complex Ions
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...