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We compared the gene expression profiles of strains with different behaviors, i.e., different durations of death feigning, in the beetle <jats:italic>Tribolium castaneum<\/jats:italic>. Beetles artificially selected for short (S) and long (L) durations of death feigning for many generations were compared thoroughly by RNA sequencing. We identified 518 differentially expressed genes (DEGs) between the strains. The strains also showed divergence in unexpected gene expression regions. As expected from previous physiological studies, genes associated with the metabolic pathways of tyrosine, a precursor of dopamine, were differentially expressed between the S and L strains; these enzyme-encoding genes were expressed at higher levels in the L strain than in the S strain. We also found that several genes associated with insulin signaling were expressed at higher levels in the S strain than in the L strain. Quantitative real-time PCR analysis showed that the relative expression levels of <jats:italic>Tchpd<\/jats:italic> (encoding 4-hydroxyphenylpyruvate dioxygenase, <jats:italic>Hpd<\/jats:italic>) and <jats:italic>Tcnat<\/jats:italic> (encoding N<jats:italic>-acetyltransferase<\/jats:italic>, <jats:italic>Nat<\/jats:italic>) were significantly higher in the L strain than in the S strain, suggesting the influence of these enzymes on the supply of dopamine and duration of death feigning.<\/jats:p>","DOI":"10.1038\/s41598-019-50440-5","type":"journal-article","created":{"date-parts":[[2019,9,30]],"date-time":"2019-09-30T10:04:48Z","timestamp":1569837888000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Transcriptomic comparison between beetle strains selected for short and long durations of death feigning"],"prefix":"10.1038","volume":"9","author":[{"given":"Hironobu","family":"Uchiyama","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ken","family":"Sasaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shogo","family":"Hinosawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keisuke","family":"Tanaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kentarou","family":"Matsumura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shunsuke","family":"Yajima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5476-0676","authenticated-orcid":false,"given":"Takahisa","family":"Miyatake","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2019,9,30]]},"reference":[{"key":"50440_CR1","unstructured":"Edmunds, M. 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