Conditional ablation of the Mat1 subunit of TFIIH in Schwann cells provides evidence that Mat1 is not required for general transcription.

Abstract excerpt

The mammalian Mat1 protein has been implicated in cell cycle regulation as part of the Cdk activating kinase (CAK), and in regulation of transcription as a subunit of transcription factor TFIIH. To address the role of Mat1 in vivo, we have used a Cre/loxP system to conditionally ablate Mat1 in adult mitotic and post-mitotic lineages. We found that the mitotic cells of the germ lineage died rapidly upon disruption...

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