Journal
DEVELOPMENT
Volume 148, Issue 18, Pages -Publisher
COMPANY BIOLOGISTS LTD
DOI: 10.1242/dev.192955
Keywords
Automated; Computational; Embryo; Micro-CT; Mouse; Phenotyping
Categories
Funding
- National Institutes of Health [U54 HG006370-01]
- Medical Research Council Strategic Award
- Medical Research Council [MC_U142684171]
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The use of automated annotation technology in high-throughput embryo pipelines allows for rapid integration of large volumes of 3D imaging data. By utilizing wild-type control data, issues such as low mutant sample numbers and incomplete penetrance are addressed. Additionally, research has shown that developmental substages have an impact on automated phenotyping results.
Advanced 3D imaging modalities, such as micro-computed tomography (micro-CT), have been incorporated into the high-throughput embryo pipeline of the International Mouse Phenotyping Consortium (IMPC). This project generates large volumes of raw data that cannot be immediately exploited without significant resources of personnel and expertise. Thus, rapid automated annotation is crucial to ensure that 3D imaging data can be integrated with other multi-dimensional phenotyping data. We present an automated computational mouse embryo phenotyping pipeline that harnesses the large amount of wild-type control data available in the IMPC embryo pipeline in order to address issues of low mutant sample number as well as incomplete penetrance and variable expressivity. We also investigate the effect of developmental substage on automated phenotyping results. Designed primarily for developmental biologists, our software performs image pre-processing, registration, statistical analysis and segmentation of embryo images. We also present a novel anatomical E14.5 embryo atlas average and, using it with LAMA, show that we can uncover known and novel dysmorphology from two IMPC knockout lines.
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