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PIF- independent regulation of growth by an evening complex in the liverwort Marchantia polymorpha.

Lagercrantz, U., et al. · 2022 · PLoS ONE   research

doi:10.1371/journal.pone.0269984   PMID:35709169   PMC9202859

Linked genes (11)  3 core 8 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
—	MpEFL missing	experimental subject	Evening-complex component studied via knockdown lines and expression assays. Knockdown increases growth rate, significantly higher than wild type, and the protein assembles into the EC with MpLUX and MpELF3.
Mp1g10870	MpELF3	experimental subject	Evening-complex component required to bridge the MpLUX-MpEFL interaction. The three proteins are proposed to form a trimer, and MpELF3 shows overlapping spatial expression with MpLUX and MpEFL.
Mp4g21220	MpLUX	experimental subject	Core evening-complex gene and central subject of the paper. Loss-of-function mutants show increased thallus surface area with a ~40% decrease in chlorenchyma cells, while overexpression yields small, compact, dark-green thalli with inhibited cell elongation. Expressed in photosynthetic filaments and developing tissues, and forms an EC with MpEFL and MpELF3.
Mp3g17350	MpPIF	experimental comparator	Tested as the candidate Arabidopsis-like growth mediator but found not regulated by the EC; Mppif mutants do not show reduced growth, so EC growth control is likely not mediated via MpPIF, contrasting with Arabidopsis.
Mp3g11830	MpABCB3	experimental tool	Auxin-transport marker assayed by qRT-PCR; shows increased expression in mutants, supporting altered auxin homeostasis.
Mp6g07600	MpGH3A	experimental tool	Auxin-signaling marker assayed by qRT-PCR; significantly increased expression in Mpluxge lines.
Mp1g26670	MpMIR160	experimental tool	MIR160 backbone used for artificial-miRNA knock-down constructs.
Mp3g21660	MpPIN1	experimental tool	Auxin-transport marker assayed by qRT-PCR; shows increased expression in Mpluxge mutants, consistent with elevated auxin signaling.
Mp5g14320	MpTAA	experimental tool	Auxin-biosynthesis marker assayed by qRT-PCR; expression significantly reduced in Mpluxge, likely feedback regulation from elevated auxin.
Mp1g09500	MpWIP	experimental tool	Auxin-related marker assayed by qRT-PCR; expression significantly altered in mutants, supporting auxin-pathway disruption.
Mp8g08780	MpYUC2	experimental tool	Auxin-biosynthesis marker assayed by qRT-PCR; no expression difference detected between mutants and wild type despite increased auxin.