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Common and distinct transcriptional signatures of mammalian embryonic lethality.

ABSTRACT: The Deciphering the Mechanisms of Developmental Disorders programme has analysed the morphological and molecular phenotypes of embryonic and perinatal lethal mouse mutant lines in order to investigate the causes of embryonic lethality. Here we show that individual whole-embryo RNA-seq of 73 mouse mutant lines (>1000 transcriptomes) identifies transcriptional events underlying embryonic lethality and associates previously uncharacterised genes with specific pathways and tissues. For example, our data suggest that Hmgxb3 is involved in DNA-damage repair and cell-cycle regulation. Further, we separate embryonic delay signatures from mutant line-specific transcriptional changes by developing a baseline mRNA expression catalogue of wild-type mice during early embryogenesis (4-36 somites). Analysis of transcription outside coding sequence identifies deregulation of repetitive elements in Morc2a mutants and a gene involved in gene-specific splicing. Collectively, this work provides a large scale resource to further our understanding of early embryonic developmental disorders.

SUBMITTER: Collins JE

PROVIDER: S-EPMC6594971 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Common and distinct transcriptional signatures of mammalian embryonic lethality.

Collins John E JE White Richard J RJ Staudt Nicole N Sealy Ian M IM Packham Ian I Wali Neha N Tudor Catherine C Mazzeo Cecilia C Green Angela A Siragher Emma E Ryder Edward E White Jacqueline K JK Papatheodoru Irene I Tang Amy A Füllgrabe Anja A Billis Konstantinos K Geyer Stefan H SH Weninger Wolfgang J WJ Galli Antonella A Hemberger Myriam M Stemple Derek L DL Robertson Elizabeth E Smith James C JC Mohun Timothy T Adams David J DJ Busch-Nentwich Elisabeth M EM

Nature communications 20190626 1

The Deciphering the Mechanisms of Developmental Disorders programme has analysed the morphological and molecular phenotypes of embryonic and perinatal lethal mouse mutant lines in order to investigate the causes of embryonic lethality. Here we show that individual whole-embryo RNA-seq of 73 mouse mutant lines (>1000 transcriptomes) identifies transcriptional events underlying embryonic lethality and associates previously uncharacterised genes with specific pathways and tissues. For example, our ...[more]

PMID: 31243271

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Common and distinct transcriptional signatures of mammalian embryonic lethality.

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Common and distinct transcriptional signatures of mammalian embryonic lethality.

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