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Transcriptional effects of a positive feedback circuit in Drosophila melanogaster
https://oist.repo.nii.ac.jp/records/337
https://oist.repo.nii.ac.jp/records/33712e75161-e50f-44be-bf8e-5bccc35af82f
名前 / ファイル | ライセンス | アクション |
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Full-Text (1.7 MB)
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Creative Commons Attribution 4.0 International
(http://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-03-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Transcriptional effects of a positive feedback circuit in Drosophila melanogaster | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Bryk, Jarosław
× Bryk, Jarosław× Reeves, R. Guy× Reed, Floyd A.× Denton, Jai A. |
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書誌情報 |
en : BMC Genomics 巻 18, p. 990, 発行日 2017-12-28 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Background: Synthetic systems that use positive feedback have been developed to control human disease vectors and crop pests. The tTAV system, which has been deployed in several insect species, relies on a positive feedback circuit that can be inhibited via dietary tetracycline. Although insects carrying tTAV fail to survive until adulthood in the absence of tetracycline, the exact reason for its lethality, as well as the transcriptomic effects of an active positive feedback circuit, remain unknown. Results: We engineered the tTAV system in Drosophila melanogaster and investigated the effects of tTAV genome integration locus on the whole fly transcriptome during larval and adult life stages in four transgenic fly strains using gene expression microarrays. We found that while there were widespread effects on the transcriptome, the gene expression differences after removal of tetracycline were not consistent between integration sites. No specific region of the genome was affected, no common set of genes or pathways, nor did the integration site affect the transcripts in cis. Conclusion: Although the positive feedback tTAV system is effective at killing insect larvae regardless of where it is inserted in the genome, it does not exhibit a specific, consistent transcriptional signature. Instead, each insertion site is associated with broad, but different, transcriptional effects. Our results suggest that lethality may not be caused by a direct effect on transcription of a set of key genes or pathways. Instead, we propose that rather than a specific action of a tTAV protein, it is the stochastic transcriptional effects specific to each insertion site that contribute to the tTAV-induced mortality. |
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出版者 | ||||||
出版者 | BioMed Central Ltd | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1471-2164 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/29281970 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1186/s12864-017-4385-z | |||||
権利 | ||||||
権利情報 | © 2017 The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-017-4385-z | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |