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Examining Wolbachia-Induced Parthenogenesis in Hymenoptera

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Specialty Molecular Biology
Date 2023 Nov 25
PMID 38006545
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Abstract

The maternally transmitted reproductive manipulator Wolbachia can impact sex ratios of its arthropod host by different mechanisms, ultimately promoting the spread of infection across a population. One of these reproductive phenotypes, parthenogenesis induction (PI), is characterized by the asexual production of female offspring, which in many cases results in an entirely female population. Cases of Wolbachia-mediated PI are most common in the order Hymenoptera, specifically in parasitoid wasps. The complex sex determination pathways of hymenopterans, their diverse life histories, the multiple cytogenetic mechanisms of PI, and the lack of males make functional studies of parthenogenesis induction challenging. Here, we describe the mechanisms of PI, outline methods to recognize and cure PI-Wolbachia infection, and note possible complications when working with PI-Wolbachia strains and their parthenogenetic hosts.

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