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. 2015 Apr 13;6:228. doi: 10.3389/fpls.2015.00228

Table 1.

Free and bound salicylic acid (SA) levels reported in distal tissues of mock-and pathogen-inoculated plants.

Free SA (ng/gFW)
 Bound SA (SAG; ng/gFW)
 Pathogen used, and concentration Host HPla Analytical procedure used Reference
Mock SAR- induced tissues Mock SAR- induced tissues
∼80 ∼1250 NAb NA Psmd ES4326 expressing AvrRpm1, OD600 = 0.01 Arabidopsis 48 GC-MSg Attaran et al. (2009)
∼200 ∼2600 NA NA Pste DC3000 expressing AvrRpt2, 1 × 107 CFUf/ml Arabidopsis 48 HPLCh Singh et al. (2013)
∼ 50–150 ∼370–1200 ∼100–250 ∼300–1000 Tobacco mosaic virus Tobacco 144 HPLC Shulaev et al. (1995)
∼30–70 ∼30–300 NA NA Psm DC3000 expressing AvrRpml, 5 × 107 CFU/ml Arabidopsis 48 HPLC Kiefer and Slusarenko (2003)
∼100 ∼450 NA NA Psm ES4326 expressing AvrRpml, OD600 = 0.02 Arabidopsis 48 GC-MS Mishina and Zeier (2006)
∼5.1 ∼21.3 NDc ∼287.3 Pseudomonas lachrymans, 4 × 108 CFU/ml Cucumber 120 HPLC Meuwly and Métraux (1993)
∼70 ∼200 ∼130 ∼400 Pst DC3000 expressing AvrRpt2, 107 CFU/ml Arabidopsis 48 HPLC Lawton et al. (1995)
∼160 ∼400 ∼1300 ∼1800 Pst DC3000 expressing AvrRpt2, Arabidopsis 48 HPLC Gao et al. (2014)
∼420 ∼500 ∼500 ∼1600 Coronatine-deficient Psm expressing AvrRpt2, 1 × 106 CFU/ml Arabidopsis 48 HPLC Liu et al. (2011)
∼80 ∼100 ∼470 ∼700 Pst DC3000 expressing AvrRpt2, Arabidopsis 48 HPLC Cameron et al. (1999)
∼35 ∼60 ∼700 ∼1600 Pst DC3000 expressing AvrRpt2, 1 × 106 CFU/ml Arabidopsis 48 HPLC Chanda et al. (2011)
∼220 ∼300 ∼210 ∼1200 Coronatine-deficient Psm expressing Arabidopsis 60 HPLC Liu et al. (2010)
∼40 ∼60 ∼450 ∼800 Pst DC3000 expressing AvrRpt2,
1 × 106 CFU/ml		 Arabidopsis 48 HPLC Wang et al. (2014a)
∼40 ∼65 ∼600 ∼1600 Pst DC3000 expressing AvrRpt2, 1 × 106 CFU/ml Arabidopsis 48 HPLC Xia et al. (2009)
∼32–52 ∼51–83 ∼70–164 ∼82–196 Tobacco mosaic virus Tobacco 168 HPLC Vernooij et al. (1994)
∼40 ∼90 ∼20 ∼85 Tobacco necrosis virus Cucumber 53 HPLC Molders et al. (1994)

aHPI, hour post infection; bNA, not available; cND, not detected; dPsm, P. syringae pv maculicola; ePst, P. syringae pv tomota;fCFU, colony-forming unit; gGC-MS, gas chromatography-mass spectrometry; hHPLC, high performance liquid hromatography.