Allorecognition behaviors in Myxomycetes respond to intraspecies factors

Author:

Masui Mana12ORCID,Yamamoto Phillip K.23ORCID,Kono Nobuaki123ORCID

Affiliation:

1. Keio University 1 Faculty of Environment and Information Studies , , Fujisawa, Kanagawa, 252-0882 , Japan

2. Institute for Advanced Biosciences, Keio University 2 , Tsuruoka, Yamagata, 997-0017 , Japan

3. Graduate School of Media and Governance, Keio University 3 , Fujisawa, Kanagawa 252-0882 , Japan

Abstract

ABSTRACT Myxomycetes are multinucleate unicellular organisms. They form a Plasmodium that moves by protoplasmic flow and prey on microorganisms. When encountering intraspecifics, the plasmodium has the capacity for ‘fusion’, actively approaching and fusing its cells, or ‘avoidance’, altering its direction to avoid the other individual. This is an allorecognition ability. However, it remains unclear whether the range of allorecognition extends to other species, and its ecological significance is also obscure. Here, we conducted a quantitative evaluation of contact responses from closely related species of plasmodium to clarify the range of allorecognition behaviors in Myxomycetes. Behavioral assays demonstrated that allorecognition behaviors are specifically observed within individuals of the same species, indicating that these behaviors are a phenomenon unique to intraspecies interactions. Myxomycetes allorecognition is an extremely narrow and inward-focused behavior, suggesting a highly specialized mechanism.

Funder

Masason Foundation

Hokuto Foundation for Bioscience

Yamagata Prefecture

Tsuruoka City

Keio University Academic Development Funds

Publisher

The Company of Biologists

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. First person – Mana Masui;Biology Open;2024-07-15

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