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Extensive epigenetic reprogramming during the life cycle of Marchantia polymorpha.

Schmid, M. W., et al. · 2018 · Genome Biology   research

doi:10.1186/s13059-017-1383-z   PMID:29368664   PMC5784723

Linked genes (11)  9 core 2 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
Mp6g08650	MpCMTa	experimental subject	Plant-specific CHROMOMETHYLASE family protein associated with de novo methylation in CHG/CHH contexts. Expression was analyzed across developmental stages, showing elevated expression in antheridiophores; reported as slightly more closely related to PpCMT.
Mp6g21040	MpCMTb	experimental subject	CHROMOMETHYLASE family protein linked to de novo methylation in CHG/CHH contexts. Its expression was profiled and found to be preferentially expressed in young sporophytes during sporophyte development.
Mp1g00340	MpDRMa	experimental subject	DOMAINS REARRANGED METHYLTRANSFERASE family protein associated with de novo methylation in all sequence contexts. Its expression was measured across the life cycle, with expression in young sporophytes.
Mp2g16740	MpDRMb	experimental subject	DOMAINS REARRANGED METHYLTRANSFERASE family protein linked to de novo methylation in all contexts. Isolated archegonia showed increased MpDRMb expression versus gametophytic tissues; also highly expressed in antherozoids and young sporophytes.
—	MpHEN missing	experimental subject	RNA methyltransferase involved in the RNA-directed DNA methylation (RdDM) pathway. Expression analysis showed very high MpHEN expression in antherozoids, suggesting antherozoid-specific RdDM machinery.
Mp6g18180	MpMET	experimental subject	DNA METHYLTRANSFERASE family protein that maintains methylation in the CG context. Its expression was profiled across the life cycle; it showed increased expression in the antheridiophore but relatively low expression in archegoniophore tissues.
Mp3g07450	MpPIWIa	experimental subject	PIWI-domain containing protein implicated in siRNA processing. Its expression was profiled and found increased in the antheridiophore.
Mp3g07440	MpPIWIb	experimental subject	PIWI-domain containing protein implicated in siRNA processing. Its expression was profiled and found increased in the antheridiophore.
Mp1g05620	MpROS1a	experimental subject	Putative DNA demethylase whose A. thaliana homolog ROS1 removes methylation with a non-CG preference. Expression reached its highest in antheridiophores and sporophytes, though the authors note its demethylase function in Marchantia remains to be demonstrated.
Mp6g11010	MpACTIN7	experimental tool	Used as a reference gene for expression normalization, reported to be evenly expressed across M. polymorpha developmental stages.
—	MpAPT3 missing	experimental tool	Used as a reference gene for expression normalization, reported to be evenly expressed across M. polymorpha developmental stages.