Variation and Variability in Drosophila Grooming Behavior.
Variation and Variability in Drosophila Grooming Behavior.
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DOI：
10.3389/fnbeh.2021.769372
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发表时间：
2021
影响因子：
3
通讯作者：
Simpson JH
中科院分区：
文献类型：
--
作者：
Mueller JM;Zhang N;Carlson JM;Simpson JH
行为差异可以在物种或种群之间（变异）或遗传相似种群中的个体之间（变异性）观察到。在这里，我们调查遗传差异作为一个可能的来源的变化和变异果蝇梳理。理毛可以带来生存和社会利益。本文分析了五种果蝇暴露于粉尘刺激物后的理毛特征。梳理行为的各个方面，如前向后的进展，是保守的物种之间和物种内。然而，显着差异的活动水平，在不同的清洁运动所花费的时间比例，梳理语法之间的物种。测试的所有种属在作用序列的顺序和持续时间方面均表现出个体变异性。没有发现遗传多样性与梳理变异的物种内：黑腹果蝇繁殖增加或减少遗传异质性表现出类似的变异梳理语法。连续几天观察到的个别苍蝇也表现出梳理序列的变异性。使用光遗传学的感觉输入标准化减少但没有消除这种可变性。总的来说，这些数据表明，序列变异性可能是一个保守的梳理行为本身的功能。这些结果还表明，大的遗传差异导致可区分的理毛表型（变异），但种群内的遗传异质性并不一定对应于理毛行为（变异性）范围的增加。
Behavioral differences can be observed between species or populations (variation) or between individuals in a genetically similar population (variability). Here, we investigate genetic differences as a possible source of variation and variability in Drosophila grooming. Grooming confers survival and social benefits. Grooming features of five Drosophila species exposed to a dust irritant were analyzed. Aspects of grooming behavior, such as anterior to posterior progression, were conserved between and within species. However, significant differences in activity levels, proportion of time spent in different cleaning movements, and grooming syntax were identified between species. All species tested showed individual variability in the order and duration of action sequences. Genetic diversity was not found to correlate with grooming variability within a species: melanogaster flies bred to increase or decrease genetic heterogeneity exhibited similar variability in grooming syntax. Individual flies observed on consecutive days also showed grooming sequence variability. Standardization of sensory input using optogenetics reduced but did not eliminate this variability. In aggregate, these data suggest that sequence variability may be a conserved feature of grooming behavior itself. These results also demonstrate that large genetic differences result in distinguishable grooming phenotypes (variation), but that genetic heterogeneity within a population does not necessarily correspond to an increase in the range of grooming behavior (variability).
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DOI：
10.1073/pnas.1500804112
发表时间：
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影响因子：
11.1
作者：
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发表时间：
2020-09-22
影响因子：
11.1
作者：
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通讯作者：
de Bivort, Benjamin L.
影响因子：
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