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De novo transcription of multiple Hox cluster genes takes place simultaneously in early Xenopus tropicalis embryos
https://oist.repo.nii.ac.jp/records/988
https://oist.repo.nii.ac.jp/records/988cd3468d0-93fe-49d1-a175-b3a3fa631c95
名前 / ファイル | ライセンス | アクション |
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Kondo-2019-De novo transcription of multiple H (2.0 MB)
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Creative Commons
Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-07-04 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | De novo transcription of multiple Hox cluster genes takes place simultaneously in early Xenopus tropicalis embryos | |||||
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) |
Kondo, Mariko
× Kondo, Mariko× Matsuo, Megumi× Igarashi, Kento× Haramoto, Yoshikazu× Yamamoto, Takayoshi× Yasuoka, Yuuri× Taira, Masanori |
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書誌情報 |
en : Biology Open 巻 8, 号 3, p. bio038422, 発行日 2019-03-04 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | hox genes are found as clusters in the genome in most bilaterians. The order of genes in the cluster is supposed to be correlated with the site of expression along the anterior-posterior body axis and the timing of expression during development, and these correlations are called spatial and temporal collinearity, respectively. Here we studied the expression dynamics of all hox genes of the diploid species Xenopus tropicalis in four Hox clusters (A-D) by analyzing high-temporal-resolution RNA-seq databases and the results showed that temporal collinearity is not supported, which is consistent with our previous data from allotetraploid X enopus laevis Because the temporal collinearity hypothesis implicitly assumes the collinear order of gene activation, not mRNA accumulation, we determined for the first time the timing of when new transcripts of hox genes are produced, by detecting pre-spliced RNA in whole embryos with reverse transcription and quantitative PCR (RT-qPCR) for all hoxa genes as well as several selected hoxb, hox c and hoxd genes. Our analyses showed that, coinciding with the RNA-seq results, hoxa genes started to be transcribed in a non-sequential order, and found that multiple genes start expression almost simultaneously or more posterior genes could be expressed earlier than anterior ones. This tendency was also found in hoxb and hoxc genes. These results suggest that temporal collinearity of hox genes is not held during early development of Xenopus. | |||||
出版者 | ||||||
出版者 | The Company of Biologists Ltd | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2046-6390 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/30651235 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1242/bio.038422 | |||||
権利 | ||||||
権利情報 | © 2019 The Company of Biologists Ltd. | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://bio.biologists.org/content/8/3/bio038422 | |||||
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 |