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The miniW Domain Directs Polarized Membrane Localization of Non-Canonical PINs in Marchantia polymorpha.

Tang H, Smoljan A, Zou M, Zhang Y, Lu KJ, Friml J. · 2026 · Plant, cell & environment   research

doi:10.1111/pce.70295   PMID:41340422

Linked genes (4)  4 core 0 peripheral

Gene ID Name Evidence / Role Function (this paper)
Mp5g05140 MpPIN2 experimental subject Non-canonical auxin-efflux carrier (PIN) analyzed for miniW-domain-dependent polarized membrane localization.
Mp6g07950 MpPIN3 experimental subject Non-canonical auxin-efflux carrier; MpPINW localizes to the plasma membrane with asymmetric distribution. A newly identified miniW domain directs the polarized membrane localization of non-canonical PINs (studied via MpPINW-GFP overexpression lines).
Mp5g05150 MpPIN4 experimental subject Non-canonical PIN showing asymmetric plasma-membrane distribution; polarized localization depends on the miniW domain (MpPINX-GFP lines).
Mp5g05180 MpPIN5 experimental subject Non-canonical auxin-efflux carrier (PIN) analyzed for miniW-domain-dependent polarized membrane localization.