Task specialization of worker polyethism in honeybee colony

为了分析蜜蜂工作者从蜜蜂的遗传和行为背景的任务的专业化。我们的假设是，如果遗传背景参与了专业化，所有的工人在特定的任务应该在一个父系群体，如果行为背景，他们表现出类似的民族或行为模式。由于样本量太小，DNA标记的亲缘关系分析不明确，我们不能揭示遗传背景对特化的贡献。而从事专业化作业的工人与只从事一般性作业的工人在行为内容的排列和各内容的执行频率上存在显著差异。专业化工蜂对外界刺激也表现出高度敏感的反应。只有1%的工蜂表现出专业化，因此专业化被认为受到遗传背景的影响，而不是表明来自（几个）亲属群体的一部分工蜂对反应的阈值较低，它们是潜在的专业化工蜂。有必要使用DNA标记敏感性更高的方法，为此，我们引入了序列凝胶电泳。此外，我们需要另一个专门的任务，可以在普通的s-zed群体中观察，因为观察蜂巢基地抽样可以限制专家样本的大小。

To analyze the specialization on tasks by a honeybee workers from both genetic and behavioral backgrounds of the bee are determined. Our hypothesis is if genetic background takes part in the specialization, all workers in particular task should be in one patriline group and if behavioral background does, they show similar ethograms or behavioral patterns.As a specialist task we observed "undertaking" behavior. Because of the sample size was too small and kin-analysis using DNA-markers was not so clear, we could not unveil the contribution of genetic background on the specialization. Whereas, there were significant differences of lineup of behavioral contents and performance frequency of each content between workers that took specialized task and ones took only general tasks. Also specialized workers showed hypersensitive response against exogenous stimuli.Only 1 % of worker bees showed specialization, so specialization is thought to be subjected genetic background, rather it suggests that a portion of workers from (several) kin group (s) has set lower threshold to response and they are the potential specialists.It is necessary to use methods with higher sensitivity on DNA markers, and for this purpose we have introduced sequence-gel electrophoresis. Further we need another specialized task which can be observed in ordinary s-zed colony because the observation hive base sampling can limited the size of specialist samples.