A model-based analysis of chemical and temporal patterns of cuticular hydrocarbons in male Drosophila melanogaster.

A model-based analysis of chemical and temporal patterns of cuticular hydrocarbons in male Drosophila melanogaster.
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基于模型的雄性果蝇中表皮烃的化学和时间模式。

DOI:
10.1371/journal.pone.0000962
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发表时间:
2007-09-26
期刊:
影响因子:
3.7
通讯作者:
Levine, Joel
Levine, Joel
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Kent, Clement;Azanchi, Reza;Smith, Ben;Chu, Adrienne;Levine, Joel

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果蝇角质碳氢化合物(CH)影响求偶行为、交配、聚集、产卵和对干燥的抗性。在不同的环境(LD/DD)条件下,我们每小时测量24种不同CH化合物的水平。使用基于模型的CH变化分析,我们开发了一种改进的CH数据归一化方法,并表明CH化合物具有可重复的日内循环表达模式,这在LD和DD条件下不同。表达模式的多变量聚类确定了5个具有共同化学特征的共表达化合物簇。周转率估计表明,甲烷的生产可能是一项重要的代谢成本。雄性角质层碳氢化合物的表达是一种受光照和时间影响的动态特征;由于丰富的碳氢化合物影响雄性性行为,雄性在不同的时间和不同的条件下可能会呈现不同的信息素谱。
Drosophila Cuticular Hydrocarbons (CH) influence courtship behaviour, mating, aggregation, oviposition, and resistance to desiccation. We measured levels of 24 different CH compounds of individual male D. melanogaster hourly under a variety of environmental (LD/DD) conditions. Using a model-based analysis of CH variation, we developed an improved normalization method for CH data, and show that CH compounds have reproducible cyclic within-day temporal patterns of expression which differ between LD and DD conditions. Multivariate clustering of expression patterns identified 5 clusters of co-expressed compounds with common chemical characteristics. Turnover rate estimates suggest CH production may be a significant metabolic cost. Male cuticular hydrocarbon expression is a dynamic trait influenced by light and time of day; since abundant hydrocarbons affect male sexual behavior, males may present different pheromonal profiles at different times and under different conditions.
DOI: 10.1073/pnas.0608142104
发表时间: 2007-03-13
影响因子: 11.1
作者:
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期刊: ANIMAL BEHAVIOUR
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