What question did this study set out to answer?

Resolve stage-specific transcriptional programs across continuous and asynchronous meiotic prophase substages during juvenile mouse spermatogenesis.

August 12, 2016BMC GenomicsOpen Access

Regulatory complexity revealed by integrated cytological and RNA-seq analyses of meiotic substages in mouse spermatocytes

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Authors

RBRobyn L. BallJackson Laboratory YFYasuhiro FujiwaraChiba University FSFengyun SunUniversity of Massachusetts Chan Medical School

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Implication

Integrated transcriptomic profiling uncovers stage-specific gene networks in juvenile mouse spermatocytes, highlighting complex regulatory controls during meiotic transitions.

Key Points

Resolve stage-specific transcriptional programs across continuous and asynchronous meiotic prophase substages during juvenile mouse spermatogenesis.
Harvested germ cells from testes of individual mice at two-day intervals from 8 to 18 days post-partum.
Immunolabeled surface-spread chromatin using stage-specific markers (STRA8, SYCP3, phosphorylated H2AFX, and HISTH1T) to cytologically classify eight substages alongside bulk RNA-seq.
Employed principal component analysis and a novel permutation-based maximum covariance analysis (PMCA) to map co-expressed transcripts to cytologically defined stages.
Independent principal component analyses of cytological and transcriptomic datasets demonstrated concordant substage-specific expression trajectories across development.
Permutation-based maximum covariance analysis successfully assigned co-expressed transcripts and dynamic transcription factor networks to individual meiotic prophase substages.
Meiosis-specific gene expression was not strictly substage-limited, indicating that transitions between meiotic stages are governed by additional layers of regulation beyond transcript abundance.

Cite This Study

Ball et al. (2016) studied this question.

synapsesocial.com/papers/6ab08663d00fcd5a41ebf43d https://doi.org/10.1186/s12864-016-2865-1

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Implication

Integrated transcriptomic profiling uncovers stage-specific gene networks in juvenile mouse spermatocytes, highlighting complex regulatory controls during meiotic transitions.

Regulatory complexity revealed by integrated cytological and RNA-seq analyses of meiotic substages in mouse spermatocytes

Discussion

Member takes

Implication

Key Points

Cite This Study

Regulatory complexity revealed by integrated cytological and RNA-seq analyses of meiotic substages in mouse spermatocytes

Discussion

Member takes

Implication

Key Points

Cite This Study

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