wood cell secondary formation genes Plant growth wall {background xylem gene Pinus expression al. sequencing genome margin {border-style lignin transcription px;} factors pine vascular #ffffff;} Biology regulation regulatory mechanisms quality Physiology miRNA different candidate biosynthesis related involved conifers mature Arabidopsis conifer development genetic plants trees analysis complex expressed identification juvenile Picea profiling tissues transcriptional large New differentiation high miRNAs spruce technologies wood, cambium Science tree early pinaster proteins px; quality. radiata response stem stress studies study transcriptome Molecular { font-family cambial maritime Phytologist Bartel breeding cDNA conserved density developmental font-size late model phytohormones production revealed sequence silencing species species, taeda based Current Genomics Plomion Populus associated cells considered data developed double; draft environmental enzymes families forestry formation, gymnosperms, highly important improvement including knowledge lignification loblolly long major order pines primary reduced specific tension traits understanding variation differential Ait.) Opinion Paiva Research Sciences Table abies angiosperms article assemblies auxin border-color border-width changes characterization conifers, content control densata MYB evolution genomic growing gymnosperm higher inducing insights monolignol network properties radial regulate reported sequences), solid; used wood-forming {font-style {font-weight III (e.g., Academy America Botany Chen Chiang ESTs Eucalyptus Experimental provided Genetics Helariutta However, National Nature Proceedings RNA States Technology Trends United [], activity adaptation allowed and/or biosynthetic bold cellulose comparative compared compression conditions conservation constitute coordinated courier; differentiation, em; establishment expansion factors, family given glauca growth, low mechanical microfibril models networks particularly phenotypic plasticity present produced Figure