Wolbachia Germline Transmission
Wolbachia Germline Transmission - Related Videos
09:23
Maintaining Aedes aegypti Mosquitoes Infected with Wolbachia
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Cited by 46 •
2017
Aedes aegypti mosquitoes infected with Wolbachia are being released into natural populations to suppress the transmission of arboviruses. We describe methods to rear Ae. aegypti with Wolbachia infections in the laboratory for experiments and field release, taking precautions to minimize laboratory adaptation and selection.
09:46
Wolbachia Bacterial Infection in Drosophila
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Cited by 4 •
2007
10:37
CRISPR/Cas9-mediated Endogenous Fluorescent Tagging of Germline-specific Genes in Caenorhabditis elegans
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2026
A CRISPR/Cas9 microinjection workflow for endogenous fluorescent tagging in the Caenorhabditis elegans germline to obtain homozygous knock-in lines for in vivo protein localization analysis.
10:55
Comprehensive Assessment of Germline Chemical Toxicity Using the Nematode Caenorhabditis elegans
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Cited by 11 •
2015
We describe the detailed steps of a high-throughput chemical assay in the nematode Caenorhabditis elegans used to assess germline toxicity. In this assay, disruption of germline function following chemical exposure is monitored using a fluorescent reporter specific to aneuploid embryos.
03:59
Gonad Microinjection: A Method of Compound Delivery Directly into the Germline of C. elegans
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2023
This video describes microinjection, a common method of creating transgenic C. elegans strains. In the example, we will see microinjection used to introduce a ribonucleoprotein (RNP) complex for CRISPR-bases gene editing.
FAQs
Transmission persists across generations when Wolbachia remains associated with the developing germline and enters oocytes as they form. The bacteria then multiply within that lineage, preserving an intracellular source for infection in offspring. This timing matters because successful passage is not simply parental infection; it depends on bacterial presence in reproductive cells during germline development.
The strong maternal bias reflects cellular location: Wolbachia can enter the egg cytoplasm, whereas the bacteria are generally absent from mature sperm. Consequently, egg formation provides a direct route into the embryo, while sperm usually does not. This distinction helps explain why inheritance patterns are followed through infected mothers and their descendants.
Cytoplasmic incompatibility can increase the representation of Wolbachia in a population by favoring compatible matings. Infected males produce embryos that develop successfully mainly when the eggs also carry compatible Wolbachia. Embryonic success therefore links bacterial compatibility to reproductive output, helping the infection persist and potentially spread through successive generations within a host population.
To examine Wolbachia germline transmission, investigators can follow the infection across the relevant reproductive stages: infected parents, developing oocytes, mature sperm, embryos, and offspring over successive generations. Comparing where bacteria are present and whether embryos develop successfully connects cellular localization with inheritance. This framework also distinguishes ordinary passage through eggs from reproductive effects associated with incompatibility.
In population biology, the process provides a way to study how an intracellular microbe becomes maintained or redistributed among hosts. Maternal passage preserves infection across generations, while cytoplasmic incompatibility can alter which crosses produce embryos that develop successfully. Together, these features connect cellular inheritance to changes in infection frequency and make the system useful for examining population-level dynamics.
In disease-vector control, understanding this inheritance is relevant because Wolbachia-associated traits can be transmitted through host populations rather than remaining confined to one generation. The same principle supports research on spreading beneficial Wolbachia traits. Its practical importance depends on reproductive transmission and compatibility patterns, which determine whether the association persists as populations reproduce.
Biologically, the system links host reproduction with microbial persistence, making it a model for host-microbe coevolution. The host supplies germline and egg-based transmission routes, while Wolbachia influences reproductive compatibility. Studying both sides reveals how an intracellular bacterium can affect inheritance and how host reproductive biology can shape the microbe’s distribution across generations.