The 48th Annual Meeting of the Molecular Biology Society of Japan
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Session Details

Symposium

[3PS-11]【J】The Molecular Mechanisms of the Extended Phenotype: The Cutting Edge of Effector Research Supporting Interactions Between Heterospecific Organisms

Fri. Dec 5, 2025 2:20 PM - 4:20 PM JST
Fri. Dec 5, 2025 5:20 AM - 7:20 AM UTC
Room 11(Pacifico Yokohama Conference Center 4F, 414+415)
Organizer: Ryusuke Niwa (University of Tsukuba), Toshiyuki Harumoto (National Institute of Advanced Industrial Science and Technology (AIST))
In nature, phenomena where the genetic information of one organism is interpreted to be expressed as the phenotype of another species are universally observed, especially in close biological interactions such as parasitism and endosymbiosis. These phenomena are typical examples of the "extended phenotype" proposed by Dawkins (1982). However, little progress has been made in understanding the specific molecular mechanisms behind these phenomena. This symposium aims to introduce the forefront of research using various organisms on the molecular mechanisms of the "extended phenotype".
2:20 PM - 2:22 PM JST(5:20 AM - 5:22 AM UTC)

Introduction

2:22 PM - 2:45 PM JST(5:22 AM - 5:45 AM UTC)

[3PS-11-01]Dual function of strigolactones as plant hormones to control growth and as signaling molecules to induce symbiosis: its origin and evolution

○Junko Kyozuka1 (1. Tohoku University)
Comment()
2:45 PM - 3:03 PM JST(5:45 AM - 6:03 AM UTC)

[3PS-11-02]Molecular mechanism and evolution of massive horizontal gene transfer in parasitic nematomorphs from their hosts

○Tappei Mishina1, Shotaro Tani2, Satoko Iida2, Chiu Ming-Chung3, Akito Inotsuka4, Mitsutaka Kadota5, Shigehiro Kuraku6, Takuya Sato2 (1. Kyushu Univ., 2. Kyoto Univ., 3. National Taiwan Univ., 4. Takara Bio Inc., 5. RIKEN BDR, 6. National Institute of Genetics)
Comment()
3:03 PM - 3:21 PM JST(6:03 AM - 6:21 AM UTC)

[3PS-11-03]Molecular structural basis for manipulation of flower morphology in plants by phytoplasma effectors

○Nozomu Iwabuchi1 (1. The University of Tokyo)
Comment()
3:21 PM - 3:39 PM JST(6:21 AM - 6:39 AM UTC)

[3PS-11-04]The diversity of C-type lectins among different species of Drosophila and its potential impact on the susceptibility to parasitoid wasp infection

○Takumi Takumi1, Hitoha Mori2, Yuko Shimada1, Ryusuke Niwa1 (1. Univ. of Tsukuba, TARA, 2. Master's and Doctoral Program in Biol. Univ. of Tsukuba)
Comment()
3:39 PM - 3:57 PM JST(6:39 AM - 6:57 AM UTC)

[3PS-11-05]Insights into plant tissue remodeling by plant-parasitic nematodes

○Mina Ohtsu1 (1. NAIST)
Comment()
3:57 PM - 4:15 PM JST(6:57 AM - 7:15 AM UTC)

[3PS-11-06]Investigating the mechanism of a male-killing factor in an insect symbiont

○Toshiyuki Harumoto1 (1. University of Tsukuba)
Comment()
4:15 PM - 4:20 PM JST(7:15 AM - 7:20 AM UTC)

General Discussion

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