Table I.

Selected peel up-regulated (2-fold or higher; P < 0.05) transcripts identified in this study as putatively associated with cuticle metabolism in tomato fruit peel

Identifier (TCa)AnnotationClusterb
Phenylpropanoid/flavonoid metabolism
    TC174247Cinnamyl alcohol dehydrogenase (CAD)6
    TC174616MYB transcription factor (THM27)6
    BT014421Isoflavone reductase-like9
    BI929841UDP-Xyl phenolic glycosyltransferase13
    TC170008Phospho-2-dehydro-3-deoxyheptonate aldolase (DAHP synthase)14
    TC172766Prephenate dehydratase (PDH)14
    TC170658Putative chalcone synthase 1B16
    TC172191Chalcone synthase 2 (CHS2)16
    TC1711185-Enolpyruvylshikimate-3-P synthase (EPSPS)16
    BF096444Chorismate mutase 1 (CM1)16
    CK715539Chorismate mutase 1 (CM1)16
    TC172772Phe ammonia lyase (PAL)16
    BG6318374-Coumarate-CoA ligase 2 (4CL2)16
    TC178705Putative chalcone isomerase 416
    TC182590Putative chalcone-flavanone isomerase16
    BT014352Flavanone 3-hydroxylase (F3H)16
    TC176277Flavonoid 3-glucosyl transferase (3GT)16
    TC176549Glycosyl transferase (GT)16
    TC172800Flavonol synthase/flavanone 3-hydroxylase (FLS)16
    TC1837334-Coumarate 3-hydroxylase (C3H)16
    BT014024Anthocyanidin-3-glucoside rhamnosyltransferase16
    TC180112Cinnamoyl-CoA reductase (CCR)16
    TC181932Isoflavone reductase-like16
    CK715844Cinnamoyl-CoA reductase (CCR)16
Wax/cutin pathway
    AW928465AP2 transcription factor (SHN2/WIN1-like)5
    TC190363Putative HTH5
    TC174873Putative HTH5
    TC175044Putative HTH5
    TC173809Enoyl-CoA reductase (AtCER10)6
    BT013894Acyl-CoA synthetase (ACS)13
    TC187142Long chain acyl-CoA synthase (LACS)16
    TC1732573-Ketoacyl-CoA synthase (SlCER6/AtKCS6/AtCUT1)16
    TC1725513-Ketoacyl-CoA synthase (SlCER6/AtKCS6/AtCUT1)16
    TC171885Fatty acid elongase-like protein (CER2-like)16
    BG130630Fiddlehead (FDH)16
    TC182303Glycerol-3-P dehydrogenase6
Fatty acid metabolism (possibly wax/cutin)c
    TC175280Acyl-CoA thioesterase2
    TC169929ω-3 fatty acid desaturase3
    TC172718Putative pyruvate dehydrogenase E1 β-subunit4
    BG631546Extracellular lipase 1 (EXL1)5
    TC170192Lipid transfer protein6
    BT014187Lipid transfer protein6
    TC176438Cytochrome b56
    BG735394Stearoyl-ACP desaturase9
    TC188586Acyl-ACP thioesterase13
    AW039066Extracellular lipase (EXL1)13
    BT012874GDSL motif lipase13
    TC172499GDSL motif lipase14
    TC179926Acyl-CoA oxidase14
    TC172218Nonspecific lipid transfer protein14
    TC179774Lipid transfer protein16
    BG628343GDSL motif lipase16
    TC1747063-Hydroxyisobutyryl-CoA hydrolase16
    TC174104GDSL motif lipase16
    TC173181Strictosidine synthaseAlkaloid metabolism5
    TC188260Tropinone reductaseAlkaloid metabolism13
    TC169841β-GalactosidaseCell wall9
    TC189627MYB transcription factor (MIXTA-like)TF activity2
    TC173525MADS box transcription factor (RIN)TF activity22
  • a GenBank accession numbers are given when no TC index (The Institute for Genomic Research identifier) is available.

  • b Cluster of expression profile to which the gene belongs (see Supplemental Fig. S1 for clusters).

  • c Transcripts included in the fatty acid metabolism category are homologs/orthologs of genes that were suggested/predicted but not shown to be involved in wax/cutin metabolism.