Reveals mechanisms of bacteriome-associated symbiont transmission in cicadas, suggesting pathways for further research.
Two Hyalessa maculaticollis individuals rest on the branch of their host plant Populus tomentosa . Our study reveals that obligate endosymbionts are released from the bacteriomes to the hemolymph shortly after the adult emergence of host cicadas, which then infect the maturing oocytes around 60 h after the adult emergence. This research highlights how the upregulation of genes related to cytoskeleton organization, endocytosis, amino acid transport, and lipid synthesis, along with the mTOR and insulin signaling pathways, underlies the vertical transmission of bacteriome‐associated symbionts (see pages 1081–1096). Image provided by Jinrui Zhou.
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