Les densovirus : une « massive attaque » chez les arthropodes.
Anne-Sophie Gosselin Grenet1, Fanny Salasc2, Sarah Francois1
1Université de Montpellier, UMR 1333 DGIMI « Diversité, Génomes et Interactions Microorganismes-Insectes », place Eugène-Bataillon, 34095 Montpellier cedex 5, France, INRA, UMR 1333 DGIMI, 34000 Montpellier, France.
Virologie (Montrouge, France)
|October 17, 2020
Summary
Densoviruses (DVs) are diverse parvoviruses infecting arthropods. This review explores their biology, host interactions, and potential as biocontrol agents for insect pests.
Area of Science:
- Virology
- Arthropod biology
- Evolutionary biology
Background:
- Densoviruses (DVs) are parvoviruses infecting arthropods, causing natural epizootics in insect and crustacean populations.
- Despite structural simplicity, DVs exhibit remarkable genomic diversity across various invertebrate hosts, including insects, crustaceans, and echinoderms.
- Their ubiquity and diversity suggest DVs are significant, yet understudied, components of the environment.
Purpose of the Study:
- To review current knowledge on densovirus biology, encompassing mechanistic and global approaches.
- To highlight the evolutionary significance of DVs in virus-host interactions.
- To explore the potential applications of densoviruses in biological pest and disease vector control.
Main Methods:
- Literature review of mechanistic studies on densovirus biology.
- Analysis of global approaches investigating densovirus diversity and evolution.
- Synthesis of research on densovirus applications in biological control.
Main Results:
- Densoviruses are highly diverse in their genomes, structures, and organizations.
- They infect a wide range of invertebrates, indicating broad ecological roles.
- Mechanistic and global studies reveal complex virus-host interactions and evolutionary dynamics.
Conclusions:
- Densoviruses represent a valuable model for studying virus-host interactions and evolution.
- Their diversity and ecological impact are significant but not fully understood.
- DVs hold promise as eco-friendly biological control agents against agricultural pests and disease vectors.
Related Concept Videos
01:29Viruses of Archaea
334
Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...
334
01:10Intracellular Movement of Viruses and Bacteria
3.3K
Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a...
3.3K
00:57Viral Recombination
24.6K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
24.6K