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. 2017 Mar 8;174(1):5–20. doi: 10.1104/pp.16.01805

Table I. Phenotype-based screens in plant chemical biology.

Assay Compound Name MoA (Pathway/Direct Target) Target Identification Strategy References
Hormone signaling
 Inhibition of the PS-IAA4/5-GUS reporter in the presence of naphthaleneacetic acid Yokonolide A, yokonolide B, terfestatin A, compounds A to C, 2-furylacrylic acid Inhibitors of auxin signaling/not identified Hayashi et al. (2001, 2003); Armstrong et al. (2004); Yamazoe et al. (2005); Sungur et al. (2007)
 Activation of the pUGT74E2:LUC reporter 2-Furylacrylic acid Inhibitor of auxin signaling and mitochondrial function/not identified Kerchev et al. (2014)
 Inhibition of root elongation WH1 to WH13 Activators of auxin signaling/auxins Christian et al. (2008)
 Inhibition of growth 2-[4-(Diethylamino)-2-hydroxybenzoyl]benzoic acid Inhibitor of auxin signaling/ABCB19 Candidate approach Kim et al. (2010)
 Aberrant root development Rootin Modifier of the PIN-mediated auxin distribution/not identified Jeong et al. (2015)
 Inhibition of the gravitropic curvature of maize coleoptiles Yucasin Inhibitor of IAA biosynthesis/YUC Candidate approach Nishimura et al. (2012, 2014)
 Inhibition of gravitropism and localization of the GFP:δ-TIP Gravacin Auxin transport inhibitor/PGP19 Compound-resistant screen Surpin et al. (2005); Rojas-Pierce et al. (2007)
 Promotion of hypocotyl elongation in det2-1 mutant/modifiers of acl5 mutant/rescue of the cat2 mutant Proauxins Activators of auxin signaling/proauxins Savaldi-Goldstein et al. (2008); Yoshimoto et al. (2012); Kerchev et al. (2015)
 Activation of the CYCB-GUS reporter in xylem pole pericycle cells Naxillin Promotion of IBA-to-IAA conversion/not identified Compound- resistant screen De Rybel et al. (2012)
 Inhibition of the constitutive ethylene response phenotypes eto1-2 and ctr1-1 l-Kynurenine Inhibitor of the indole-3-pyruvic acid pathway of auxin biosynthesis/TAA1, TARs Candidate approach He et al. (2011)
 Inhibition of the ethylene response in etiolated eto1-4 seedlings Acsinones (9370, 9393, and 73033) Inhibitors of ethylene biosynthesis/ACC Candidate approach and compound- resistant screen Lin et al. (2010); Chen et al. (2013)
 Inhibition of hypocotyl elongation in dark Brassinopride Inhibitor of brassinosteroid biosynthesis/not identified Gendron et al. (2008)
 Promotion of hypocotyl elongation in light Bikinin Activating brassinosteroid signaling/BIN2 Candidate approach De Rybel et al. (2009)
 Repressors of LOX2p < LUC expression Jarin-1 Inhibitor of jasmonate responses/JAR1 Candidate approach Meesters et al. (2014)
 Inhibition of cotyledon expansion and greening after germination Cotylimides Inhibitors of strigolactone biosynthesis/not identified Tsuchiya et al. (2010)
 Suppression of hypocotyl inhibition by GR24 in light Soporidine Inhibition of strigolactone signaling/HTL, KAI2 Candidate approach Holbrook-Smith et al. (2016)
 Inhibition of seed germination and hypocotyl growth in dark Hypostatin/Glc-hypostatin Inhibition of cell expansion/not identified Compound-resistant screen Zhao et al. (2007)
 Inhibition of seed germination and hypocotyl growth in dark Pyrabactin Selective ABA agonist/PYR, PYLs Compound-resistant screen Zhao et al. (2007); Park et al. (2009)
 Inhibition of seed germination Germostatin Activator of auxin signaling/not identified Compound-resistant screen Ye et al. (2016)
Cell wall homeostasis
 Organ swelling Morlin Altered movement of CESA/not identified DeBolt et al. (2007)
 Cell swelling in tobacco suspensions expressing GFP-α-tubulin SS compounds, cobtorin, lasalocid sodium Altered cell wall properties through affecting microtubule dynamic and enzymatic saccharification/not identified Compound-resistant screen Yoneda et al. (2007, 2010); Okubo-Kurihara et al. (2016)
 Induction of polyploidy in H2B-YFP-expressing cells C17 Inhibition of cellulose biosynthesis/not identified Compound-resistant screen Hu et al. (2016)
 Inhibition of pollen germination and growth Cestrin Altered movement of CESA/not identified Drakakaki et al. (2011); Worden et al. (2015)
 Inhibitors of lignin deposition 39 compounds, p-iodobenzoic acid Inhibitor of the phenylpropanoid pathway/Cinnamate 4-hydroxylase Candidate approach Van de Wouwer et al. (2016)
Endomembrane trafficking
 Inhibition of pollen germination and pollen tube growth/effectors of the circadian clock ES1/(Prieurianin) Actin cytoskeleton inhibitor/not identified Robert et al. (2008); Tóth et al. (2012)
 Inhibition of pollen germination and pollen tube growth ES2 Exocytosis inhibitor/EXO70 Affinity pull down Drakakaki et al. (2011); Zhang et al. (2016)
 Inhibition of pollen germination and pollen tube growth ES3, ES5 Trafficking modifiers/not identified Drakakaki et al. (2011)
 Inhibition of pollen germination and pollen tube growth ES7 Late cytokinesis inhibitor/not identified Drakakaki et al. (2011); Park et al. (2014)
 Inhibition of pollen germination and pollen tube growth ES8 Basal polarity effector/not identified Drakakaki et al. (2011); Doyle et al. (2015)
 Inhibition of pollen germination and pollen tube growth ES9 Endocytosis inhibitor/protonophore Candidate approach Drakakaki et al. (2011); Dejonghe et al. (2016)
 Inhibition of pollen germination and pollen tube growth ES16 Apical polarity effector/RabA Candidate approach Drakakaki et al. (2011); Li et al., (2017)
 Inhibition of pollen germination and pollen tube growth C834 Vacuolar trafficking inhibitor/not identified Drakakaki et al. (2011); Rivera-Serrano et al. (2012)
 Inhibition of pollen germination and pollen tube growth 22 compounds Inhibitory or stimulatory effects in pollen tube and root growth assays/not identified Chuprov-Netochin et al. (2016)
 Affected gravitropism and localization of the GFP:δ-TIP TE1 Trafficking modifier/not identified Surpin et al. (2005); Paudyal et al. (2014)
 Affected gravitropism and localization of the GFP:δ-TIP LDS-003655 PTS1 and PTS2 peroxisome matrix import pathways/not identified/ Surpin et al. (2005); Brown et al. (2011)
 Immunity and cell death
 Modifiers of elicitor-responsive gene expression Oxytriazine, fluazinam, cantharidin, enpiclonil Pathogen-associated molecular pattern-triggered innate immune responses/not identified Serrano et al. (2007)
 Modifiers of elicitor-responsive gene expression Triclosan Pathogen-associated molecular pattern-triggered innate immune responses/MOD1 Candidate approach Serrano et al. (2007)
 Suppressors of AvrRPM1-RPM1-dependent cell death 4,15-Diacetoxyscirpenol, neosolaniol Inhibition of AvrRpm1 synthesis/not identified Serrano et al. (2010)
 Enhanced Pst-avrRpm1-induced cell death Imprimatin A and B Salicylic acid metabolism/UGT74F1 and UGT76B1 Candidate approach Noutoshi et al. (2012b)
 Activation of the pathogen-responsive reporter CaBP22p::GUS 3,5-Dichloroanthranilic acid, 2-(5-bromo-2-hydroxy-phenyl)-thiazolidine-4-carboxylic acid Activation of plant defense signaling/not identified Knoth et al. (2009); Rodriguez-Salus et al. (2016)
 Resistance to Pseudomonas syringae/enhanced Pst-avrRpm1-induced cell death Sulfonamides Not determined/not identified Schreiber et al. (2008); Noutoshi et al. (2012a)
 Suppression of the ABA-induced RAB18 reporter [5-(3,4-Dichlorophenyl) furan-2-yl]-piperidine-1-ylmethanethione (DFPM) Activation of plant immunity via Ca2+ signaling/not identified Kim et al. (2011, 2012); Kunz et al. (2016)
 Suppression of CYCLIC NUCLEOTIDE-GATED ION CHANNEL11 (AtCNGC11) and AtCNGC12 gain-of-function mutant cpr22-induced lethality Diethylstilbestrol, erythrosin B, dibucaine Ca2+ channel inhibition/not identified Abdel-Hamid et al. (2011)
Plant development
 Vein pattern effectors PATI-1 to PATI-4 PATI-1 and PATI-2 inhibitors of PIN2 cycling/not identified Carland et al. (2016)
 Vein pattern effectors HYVP-1 to HYVP-3 Agonists of auxin transport/not identified Carland et al. (2016)
 Vein pattern effectors OVP-1 and OVP-2 OVP-1 targets BR signaling/not identified Carland et al. (2016)
OVP-2 targets MAPKKK signaling/not identified
 Rescue or mimic the amp1 phenotypes Hyperphyllin AMP1 regulatory pathway/not identified Poretska et al.. (2016)
 Stomatal patterning effectors Bubblin Inhibits stomatal asymmetric division/not identified Sakai et al., (2017)