Understanding regulation of the host-mediated gut symbiont population and the symbiont-mediated host immunity in the Riptortus-Burkholderia symbiosis system

Developmental and Comparative Immunology
Jiyeun Kate KimBok Luel Lee

Abstract

Valuable insect models have tremendously contributed to our understanding of innate immunity and symbiosis. Bean bug, Riptortus pedestris, is a useful insect symbiosis model due to harboring cultivable monospecific gut symbiont, genus Burkholderia. Bean bug is a hemimetabolous insect whose immunity is not well-understood. However, we recently identified three major antimicrobial peptides of Riptortus and examined the relationship between gut symbiosis and host immunity. We found that the presence of Burkholderia gut symbiont positively affects Riptortus immunity. From studying host regulation mechanisms of symbiont population, we revealed that the symbiotic Burkholderia cells are much more susceptible to Riptortus immune responses than the cultured cells. We further elucidated that the immune-susceptibility of the Burkholderia gut symbionts is due to the drastic change of bacterial cell envelope. Finally, we show that the immune-susceptible Burkholderia symbionts are able to prosper in host owing to the suppression of immune responses of the symbiotic midgut.

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Jun 12, 2013·Applied and Environmental Microbiology·Jiyeun Kate KimBok Luel Lee
Jun 13, 2013·Proceedings of the National Academy of Sciences of the United States of America·Jiyeun Kate KimBok Luel Lee
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Citations

May 11, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Nichole A Broderick
Apr 28, 2019·Applied and Environmental Microbiology·Thomas Ogao Onchuru, Martin Kaltenpoth
Oct 9, 2019·Annual Review of Entomology·Martin Kaltenpoth, Laura V Flórez
Jun 17, 2020·Journal of Chemical Ecology·Charles J Mason
May 16, 2019·Journal of Morphology·James B NardiCharles Mark Bee
Jan 6, 2021·Evolution & Development·Scott F Gilbert
Sep 19, 2017·Developmental and Comparative Immunology·Kyoung-Eun ParkBok Luel Lee
Jun 14, 2019·Developmental and Comparative Immunology·Junbeom LeeBok Luel Lee
Nov 28, 2017·Developmental and Comparative Immunology·Seung Ah LeeBok Luel Lee
Jun 2, 2021·BMC Genomics·Miguel Medina MunozRita V M Rio

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