HiSEP特別セミナーを1月20日(木)に開催します。今回はタイ?カセサート大学理学部遺伝学科からA. Sirikhachornkitさんに生物系のお話を英語でしていただきます。対面セミナ-ですがZOOMでの参加も歓迎します。

日時 1月20日(木)3限 13:30-14:50
会場 理学部講義実験棟1番教室
Zoom参加希望の方は、hisep.saitama@gmail.com まで連絡ください。
タイトル 『Acclimation to high temperature in green microalgae』(緑藻の高温順応)
講師 Anchalee Sirikhachornkit 博士
Department of Genetics, Faculty of Science, Kasetsart University, Bangkok
概要 Heat stress is a major environmental factor that has negative effects on plant growth and development, leading to great yield loss. Due to global warming, both daily temperatures and the occurrences of heat waves are on the rise. To be able to survive, plants must be able to adjust to a new environment through changes in various pathways. Evidence have shown that plants do exhibit acclimation or acquired tolerance to heat stress, the ability to survive under otherwise lethal temperature if they have experienced a higher non-lethal temperature beforehand. Moreover, during the process of acclimation, reactive oxygen species (ROS) are expected to be involved as general stress signals, but specific and unknown signals/mechanisms for heat acclimation are still yet to be discovered. Attempts have been made to identify these unknown signals/mechanisms using the plant model Arabidopsis thaliana, but due to complication with changes of heat acclimation phenotype at different growth stages, no new components were identified. The unicellular haploid green alga Chlamydomonas reinhardtii is a great model organism to study heat acclimation response including ROS signaling, and to identify unknown signals/mechanisms. Results showed that this alga does exhibit heat acclimation response similar to plants. This lecture will give an overview on the model organism Chlamydomonas and how it could be used for studying various pathways including acclimation response. 
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