第14回共生進化機構国際セミナー

講師: Dr. Hassan Salem（Max-Planck Institute for Biology, Germany）
演題: Microbial determinants of folivory in beetles
日時: 2022年5月9日（月）16:00 (JST)～

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Abstract： My group is interested in the evolutionary processes that shape mutually beneficial species interactions, with emphasis on why they form and how they facilitate adaptation in insects. Using tortoise beetles (Coleoptera: Chrysomelidea: Cassidinae) as a model, my talk will outline the mechanisms by which these insects house and transmit their obligate bacterial and fungal symbionts. I will also discuss the physiological and evolutionary consequences of engaging with a single clade of microbes for an upward of 80 million years. Leveraging data from genomic and transcriptomic sequencing, microscopy and bioassays, I will address (i) the metabolic factors defining nutritional and defensive symbioses within the Cassidinae, (ii) how variation in these factors drastically shapes beetle physiology and host-plant use, (iii) the trade-offs governing symbiont localisation and transmission, and, finally, (iv) the ubiquity of obligate beetle-bacterial symbioses within the Chrysomelidae. Collectively, our findings highlight the key role of symbiosis in facilitating folivory across a highly speciose insect clade, the leaf beetles.

関心ある方々の参加を歓迎いたします。
連絡先: 深津 武馬（生物プロセス研究部門首席研究員、t-fukatsu@aist.go.jp)
ERATO深津共生進化機構プロジェクト
参照記事: https://www.jst.go.jp/erato/fukatsu/news/2022/220509.html