Table 1. Putative lignin-associated LACs and PRXs identified using a combination of expression, co-expression, and mutant phenotyping data

Expression and co-expression data were generated from Genevestigator and the eFP browser (Hruz et al., 2008; Waese et al., 2017). n.d., No data.

GeneLociTissue ExpressionCo-expressionStem Mutant AnalysisReference
AtLAC4At2g38080Stem, root, leaf, hypocotyl, flower, siliqueAtLAC11; AtLAC17; SCW cellulose and xylan biosynthetic genesDecreased lignin; irregular xylem phenotypeBrown et al., 2005; Berthet et al., 2011
AtLAC10At5g01190Stem, root, leaf, flowerSCW cellulose and xylan biosynthetic genesNo observable phenotypeBerthet et al., 2012
AtLAC11At5g03260Stem, root, leaf, hypocotyl, flowerAtLAC4; AtLAC17; SCW cellulose biosynthetic genesNo observable phenotypeBerthet et al., 2011; Zhao et al., 2013
AtLAC12At5g05390Stem, root, pollen, siliqueAtLAC2; SCW cellulose and xylan biosynthetic genesDecreased ligninBerthet et al., 2012
AtLAC17At5g60020Stem, root, leaf, hypocotyl, flowerAtLAC4; AtLAC11; SCW cellulose and xylan biosynthetic genesDecreased ligninBerthet et al., 2011
AtPRX42At4g21960Stem, leaf, hypocotyl, root, silique, flowerPrimary cell wall cellulose and pectin biosynthesis or modification genesn.d.n.d.
AtPRX52At5g05340Stem, leaf, root, flowerAtCCoAOMT; cell wall signaling and defense genesDecreased ligninFernández-Pérez et al., 2015b
AtPRX64At5g42180Stem, root, silique, flowerAtMYB63; root endodermis and Casparian strip-related genesn.d.Lee et al., 2013
AtPRX71At5g64120Stem, leaf, hypocotyl, root, flowerResponse to biotic and abiotic stress; nutrient transport and metabolismAltered lignin compositionShigeto et al., 2013
AtPRX72At5g66390Stem, root, leaf, hypocotyl, flowerRoot endodermis and Casparian strip-related genesDecreased lignin; irregular xylem phenotypeHerrero et al., 2013; Fernández-Pérez et al., 2015a