模式动物线虫的学习与学习抉择行为(英文)

Learning and learning choice in the nematode Caenorhabditis elegans

线虫因为其简单的体系和对于诸如接触、味道、气味和温度等外界刺激的敏感反映能力,日益成为受人瞩目的研究行为可塑性的模式动物。目前认为,线虫中的学习包括非联想与联想学习两大类,且存在至少6种形式化学趋向性介导的联想学习。同时,三种研究体系已经被开发出来用于学习抉择的研究。本文讨论了线虫中学习与学习抉择的形式、研究模型及其遗传与分子调控机制。

The nematode Caenorhabditis elegans is an attractive model organism to study the behavioral plasticity for its simple system and ability to respond to diverse environmental stimuli, such as touch, smell, taste and temperature. Learning in C. elegans encompasses both non-associative learning and associative learning. Till now, themotaxis and chemotaxis are two major paradigms for associative learning and there are at least 6 forms of chemotaxis-mediated associative learning. Three research systems have also been explored to study the mechanism of learning choice in worms. This review will discuss the forms, research models, genetic and molecular regulation of learning and learning choice in C. elegans.