Ardhiani Kurnia Hidayanti, Takafumi N. Sugimoto, Achmad Gazali, Yohsuke Tagami
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Effect of quorum sensing inducers and inhibitors on male-killing Wolbachia, the endosymbiont of the adzuki bean borer, Ostrinia scapulalis (Lepidoptera: Crambidae)
Ostrinia scapulalis (Walker) (Lepidoptera: Crambidae), the adzuki bean borer, is a serious pest in adzuki bean plants and other dicotyledons. Wolbachia, the insect symbiont that infects O. scapulalis, causes male-killing during the embryonic and larval stages in the insect host. Previous studies have reported an association between Wolbachia density dynamics and the sex phenotype of offspring. In this study, we treated O. scapulalis at the adult and larval stages using 3O-C12-HSL as a quorum sensing (QS) inducer and 4-phenylbutanol as a QS inhibitor. QS inducer treatment in the adult stage increased the density of Wolbachia in O.scapulalis, and there was a strong positive correlation between Wolbachia density and female proportion in the adult stage after QS inhibitor treatment. QS inducer and inhibitor treatments in the larval stage stabilize Wolbachia density in O. scapulalis.
期刊介绍：
Applied Entomology and Zoology publishes articles concerned with applied entomology, applied zoology, agricultural chemicals and pest control in English. Contributions of a basic and fundamental nature may be accepted at the discretion of the Editor. Manuscripts of original research papers, technical notes and reviews are accepted for consideration. No manuscript that has been published elsewhere will be accepted for publication.
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