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PIN-FORMED is required for shoot phototropism-gravitropism and facilitates meristem formation in Marchantia polymorpha.

Fisher, T. J., et al. · 2023 · New Phytologist   research

doi:10.1111/nph.18854   PMID:36880411

Linked genes (5)  1 core 4 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
Mp3g21660	MpPIN1	experimental subject	PIN-FORMED auxin efflux carrier (Mp3g21660; the only canonical PM-localized PIN, aka MpPINZ); required for shoot phototropism/gravitropism and facilitates meristem formation. Mppin1 loss-of-function alleles analyzed.
Mp5g05140	MpPIN2	sequence comparator	Non-canonical PIN family member (comparison).
—	MpACT missing	experimental tool	Actin; qPCR reference.
Mp5g14320	MpTAA	experimental background	Auxin biosynthesis (TAA); auxin-context DEG.
Mp8g08780	MpYUC2	experimental background	Auxin biosynthesis (YUCCA2); context.