Table III.

Genes known or suspected of being involved in acyl lipid metabolism that are up-regulated in the epidermis of top stems

Putative or Known Function of ProteinLocus CodeRatioa (Top)Ratioa (Base)Signalb (Top)Signalb (Base)
Acyl-ACP thioesterase FatBAt1g085102.41.49,6446,072
Stearoyl-ACP desaturaseAt5g162405.52.1810853
Acyl-CoA desaturase-likeAt1g063503.141.311,8591,360
Dihydroxyacetone phosphate reductaseAt2g415405.111.33,889787
Plastidial phosphatidic acid phosphataseAt2g011802.46.41,1982,054
Choline kinaseAt1g716974.22.97701,011
Fatty acid alcohol oxidaseAt3g234102.82.27181,260
Monoacylglycerol lipaseAt2g3940013.44.84,4265,573
Monoacylglycerol lipaseAt2g4763063.828237
Monoacylglycerol lipaseAt5g116504.11535934
Lipid acylhydrolase-likeAt5g149302.74.2236337
Cytosolic homomeric acyl-CoA carboxylaseAt1g361604.22.36,0252,174
Ketoacyl-CoA synthaseAt1g077209.92.72,8662,121
Ketoacyl-CoA synthaseAt5g045308.741.325462
Ketoacyl-CoA synthaseAt1g042208.13.66,5991,867
Ketoacyl-CoA synthaseAt2g150906.62.2296740
Ketoacyl-CoA synthase (CER60)At1g254505.810.91,527699
Ketoacyl-CoA synthaseAt2g286305.57.43,8572,420
Ketoacyl-CoA synthaseAt5g437604.84.69,0324,370
Ketoacyl-CoA synthase (KCS1)At1g011204.74.221,88411,052
Ketoacyl-CoA synthase (FIDDLEHEAD)At2g26250449,5473,618
Ketoacyl-CoA synthase (CUT1=CER6)At1g685303.12.819,39713,537
Ketoacyl-CoA synthaseAt2g162803.13.69,3374,767
Ketoacyl-CoA reductaseAt1g244705.63.51,219854
Ketoacyl-CoA reductaseAt1g677302.72.113,4414,209
Fatty acyl-CoA reductaseAt3g5670031.82.34914,471
Fatty acyl-CoA reductase (CER4)At4g337902.64.714,6655,669
WAX2 protein (=YORE-YORE)At5g578002.72.225,01919,380
CER1 proteinAt1g022052.22.230,38918,784
CER2 proteinAt4g245104.168,3052,540
Putative oxidoreductase (HOTHEAD)At1g729704.14.31,888296
Fatty acid ω-hydroxylase (CYP86A2=ATT1)At4g003605.43.58,4555,994
Fatty acid ω-hydroxylase (CYP86A8=LACERATA)At2g459703.12.2529175
Fatty acid ω-hydroxylase (CYP86A7)At1g637102.76.579448
Fatty acid ω-hydroxylase (CYP86A4)At1g016002.518.11,979195
Fatty acid ω-hydroxylase (CYP94B3)At3g485203.46.82461,484
Acyl-activating enzyme (AAE16)At3g237902.91.6380345
Long-chain acyl-CoA synthetase (LACS3)At1g644009.51.75,7533,511
Long-chain acyl-CoA synthetase (LACS1)At2g4724048.68,8882,647
Long-chain acyl-CoA synthetase (LACS2)At1g494302.51.22,521398
Glycerol-3-P acyltransferase (GPAT8)At4g0040049.54,3521,494
Glycerol-3-P acyltransferase (GPAT4)At1g016103.512.36,1831,568
Glycerol-3-P acyltransferase (GPAT2)At1g023902.55.9118366
1-Acylglycerol-P acyltransferase (LPAT5)At3g188502.32.26,1231,214
Bifunctional wax ester synthase/DAGATAt3g492107.83.1805304
Bifunctional wax ester synthase/DAGATAt5g373004.216.66,4311,258
Bifunctional wax ester synthase/DAGATAt5g124203.611.2123537
Bifunctional wax ester synthase/DAGATAt1g721102.9121,96083
Wax synthaseAt3g519704.82.8116121
ABC transporter (WBC12=CER5)At1g515003.53.114,1944,110
ABC transporter (WBC1)At2g393502.314.4140162
ABC transporter (WBC11)At1g178403.64.210,1374,644
ABC transporter (WBC18)At3g551103.02.32,915686
ABC transporter (WBC19)At3g5513012.33.13,1724,884
TranslocaseAt1g727002.11.31,2401,185
TranslocaseAt1g132106.94.11,8101,815
Lipid transfer protein type 1 (LTP2)At2g3853019.524.5904827
Lipid transfer protein type 1 (LTP8)At2g150504.33.418,27010,531
Lipid transfer protein type 1 (LTP5)At3g516002.83.628,33519,619
Lipid transfer protein type 5At1g279503.88.711,8274,481
Lipid transfer protein type 5At3g437203.24.813,1276,167
Lipid transfer protein type 5At1g552602.610.67,5061,076
Lipid transfer protein type 5At1g627902.514,1992,033
Diacylglycerol kinaseAt4g303402.91.41,929704
DAD1-like acylhydrolaseAt1g068004.66297203
DAD1-like acylhydrolaseAt2g305504.10.82,5851,462
Plastidial lipoxygenaseAt1g7252010.113.46811,925
Plastidial lipoxygenaseAt1g675602.01.82,3331,541
Plastidial lipoxygenaseAt1g174206.6102651,668
Cytosolic lipoxygenaseAt1g550203.61.2511345
Oxo-phytodienoic acid reductaseAt2g0605051.92,0155,873
Oxo-phytodienoic acid reductaseAt1g766902.61.81,4512,094
Oxo-phytodienoic acid reductaseAt1g179902.31.41,8013,781
Type II phosphoinositide 5-phosphataseAt1g056303.32.1763212
Patatin-like acyl-hydrolaseAt3g632007.221,2801,191
Patatin-like acyl-hydrolaseAt3g549505.10.6258309
Phosphatidylinositol-4-kinase-γAt1g262703.61.51,2461,114
Phosphatidylinositol phosphate kinase type I/II AAt4g011903.21.8195140
Phosphatidylinositol phosphate kinase type IIIAt3g142703.52.11,1811,452
Phosphatidylinositol phosphate kinase type IIIAt1g342602.51.2498607
PI-specific phospholipase CAt5g586703.31.24171,018
Phospholipase D-γAt4g118302.72.0931727
Phospholipase D-γAt4g118502.22.5109216
LysophospholipaseAt1g646704.010.62,110495
LysophospholipaseAt5g177802.01.714192
PPT1-like thioesteraseAt4g1748010.40.920012
PPT1-like thioesteraseAt4g1744036.9184.4136518
PPT1-like thioesteraseAt5g473308.81.5838973
  • a Mean epidermis-to-stem gene expression ratio obtained with the top or base of stems. Gene expressions were determined as in Table I.

  • b Mean signal intensities are indicated to give an estimate of relative expression levels of the genes in the epidermis of top stems as well as in the epidermis of the base of stems.