De novo analysis of the Tenebrio molitor (Coleoptera: Tenebrionidae) transcriptome and identification of putative glutathione S-transferase genes
文献类型: 外文期刊
作者: Liu, Su 1 ; Shi, Xiao-Xiao 2 ; Jiang, Yan-Dong 2 ; Zhu, Zi-Jie 2 ; Qian, Ping 2 ; Zhang, Min-Jing 2 ; Yu, Hang 2 ; Zhu, Q 1 ;
作者机构: 1.Anhui Agr Univ, Coll Plant Protect, Hefei 230036, Peoples R China
2.Zhejiang Univ, Inst Insect Sci, State Key Lab Rice Biol, Key Lab Agr Entomol, Hangzhou 310058, Zhejiang, Peoples R China
3.Zhejiang Univ, Inst Insect Sci, State Key Lab Rice Biol, Key Lab Agr Entomol, Hangzhou 310058, Zhejiang
关键词: Yellow mealworm beetle;Transcriptome;Glutathione S-transferase;GST;Expression pattern
期刊名称:APPLIED ENTOMOLOGY AND ZOOLOGY ( 影响因子:1.403; 五年影响因子:1.381 )
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年卷期:
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收录情况: SCI
摘要: We performed the Illumina sequencing of the yellow mealworm beetle, Tenebrio molitor L., a global stored grain pest and a model for insect physiological studies, and analyzed the transcriptome dataset. We obtained 82,001,576 clean reads that were assembled into 31,785 unigenes with a mean size of 1,022 bp. Among these unigenes, 16,025 (50.41 %) showed significant similarity (E value < 10(-5)) to known proteins in the NCBI non-redundant database. Gene ontology, Cluster of Orthologous Groups and Kyoto Encyclopedia of Genes and Genomes analyses were used to classify functions of the unigenes. We identified 27 putative glutathione S-transferase (GST) genes, including 2 delta, 13 epsilon, 1 omega, 5 sigma, 1 theta and 1 zeta class GSTs, and 2 microsomal GSTs and 2 "unclassified" GSTs. Quantitative reverse transcription-PCR assay showed that 2 and 3 GST genes were mainly expressed in larval and pupal stages, respectively; while 10 genes were mainly expressed in the adult stage. Tissue-specific expression analysis found that, among the 27 GST genes, 8 were expressed predominately in the midgut, 13 were mainly detected in Malpighian tubules, and only one gene specifically distributed in the fat body. This work provides the first insights into the T. molitor GSTs at the molecular level: the results may assist in a functional study for the GSTs in this insect species.
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