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Laser ablation microscopy reveals apical notch, apical dominance, and meristem regeneration dynamics in Marchantia polymorpha.

Marron AO. · 2026 · Proc Natl Acad Sci U S A   research

doi:10.1073/pnas.2600460123   PMID:42330275   PMC13320805

Linked genes (3)  0 core 3 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
Mp4g11820	MpARF2	citation background	Cited as the auxin response factor antagonised by MpARF1, a circuit invoked to explain self-inhibition of auxin synthesis at the apical notch.
Mp3g21660	MpPIN1	citation background	Cited as the canonical auxin efflux carrier acting immediately around the apical notch, whose role in longer-range apical dominance signalling was not previously examined.
Mp6g07950	MpPIN3	citation background	Cited as a non-canonical PIN with asymmetric plasma membrane distribution pointing centrally, a candidate carrier for long-range apical dominance signalling. ID NOTE: the paper states no v7.1 locus and the symbol is not registered in MarpolBase.