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首页> 外文期刊>Scientific reports. >Identification of the pheromone biosynthesis genes from the sex pheromone gland transcriptome of the diamondback moth, Plutella xylostella
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Identification of the pheromone biosynthesis genes from the sex pheromone gland transcriptome of the diamondback moth, Plutella xylostella

机译：从小菜蛾小菜蛾性信息素腺转录组中鉴定信息素生物合成基因

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The diamondback moth was estimated to increase costs to the global agricultural economy as the global area increase of Brassica vegetable crops and oilseed rape. Sex pheromones traps are outstanding tools available in Integrated Pest Management for many years and provides an effective approach for DBM population monitoring and control. The ratio of two major sex pheromone compounds shows geographical variations. However, the limitation of our information in the DBM pheromone biosynthesis dampens our understanding of the ratio diversity of pheromone compounds. Here, we constructed a transcriptomic library from the DBM pheromone gland and identified genes putatively involved in the fatty acid biosynthesis, pheromones functional group transfer, and β-oxidation enzymes. In addition, odorant binding protein, chemosensory protein and pheromone binding protein genes encoded in the pheromone gland transcriptome, suggest that female DBM moths may receive odors or pheromone compounds via their pheromone gland and ovipositor system. Tissue expression profiles further revealed that two ALR, three DES and one FAR5 genes were pheromone gland tissue biased, while some chemoreception genes expressed extensively in PG, pupa, antenna and legs tissues. Finally, the candidate genes from large-scale transcriptome information may be useful for characterizing a presumed biosynthetic pathway of the DBM sex pheromone.
机译：据估计，由于芸苔属蔬菜作物和油菜的全球面积增加，小菜蛾会增加全球农业经济的成本。性信息素诱捕器是多年以来虫害综合治理中可用的杰出工具，它为DBM种群监视和控制提供了有效的方法。两种主要的性信息素化合物的比例显示出地域差异。但是，在DBM信息素生物合成中我们信息的局限性削弱了我们对信息素化合物比例多样性的理解。在这里，我们从DBM信息素腺构建了一个转录组文库，并鉴定了可能参与脂肪酸生物合成，信息素功能基团转移和β-氧化酶的基因。此外，信息素腺转录组中编码的气味结合蛋白，化学感觉蛋白和信息素结合蛋白基因表明，雌性DBM蛾可能会通过其信息素腺和产卵系统接受气味或信息素化合物。组织表达谱进一步表明，两个ALR，三个DES和一个FAR5基因受信息素腺组织的偏倚，而一些化学感受基因在PG，，触角和腿组织中广泛表达。最后，来自大规模转录组信息的候选基因可能有助于表征DBM性信息素的假定生物合成途径。

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