Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Disease resistance protein ADR1; Disease resistance (R) protein that mediates resistance against Hyaloperonospora parasitica in a salicylic acid-dependent manner. Also mediates resistance against Erysiphe cichoracearum is both salicylic acid-dependent and partially NPR1-dependent. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via an indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Probable disease resistance protein At5g04720; Probable disease resistance protein; Belongs to the disease resistance NB-LRR family.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Protein EDS1; Positive regulator of basal resistance and of effector- triggered immunity specifically mediated by TIR-NB-LRR (TNL) resistance proteins. Disruption by bacterial effector of EDS1-TIR-NB-LRR resistance protein interactions constitutes the first step in resistance activation. Acts redundantly with salicylic acid to regulate resistance gene-mediated signaling. Triggers early plant defenses and hypersensitive response independently of PAD4, and then recruits PAD4 to potentiate plant defenses through the accumulation of salicylic acid. Nuclear localization is essential for bas [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Exocyst complex component EXO70B1; Component of an exocyst subcomplex specifically involved in autophagy-related, Golgi-independent membrane traffic to the vacuole. Regulates autophagosome formation and autophagy-related Golgi- independent import into the vacuole. Positive regulator of both abscisic acid (ABA)-promoted and mannitol (drought)-promoted stomatal closure.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Probable flavin-containing monooxygenase 1; Required for the establishment of systemic acquired resistance (SAR). Not involved in local defense mechanisms. Confers a salicylic acid-dependent (SA) resistance to virulent pathogens such as P.syringae pv tomato and H.parasitica.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Isochorismate synthase 1, chloroplastic; Involved in the synthesis of salicylic acid (SA) required for both local and systemic acquired resistance (LAR and SAR) while SA synthesized through the phenylalanine ammonium lyase (PAL) pathway seems to potentiate plant cell death. Also involved in phylloquinone (vitamin K1) synthesis. Has no isochorismate pyruvate lyase (IPL) activity.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Disease resistance protein LAZ5; TIR-NB-LRR receptor-like protein that may play a role in plant innate immunity. May trigger hypersensitive programmed cell death in response to pathogen attack. Involved in tolerance to tobacco ringspot virus (TRSV).

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Regulatory protein NPR1; May act as a substrate-specific adapter of an E3 ubiquitin- protein ligase complex (CUL3-RBX1-BTB) which mediates the ubiquitination and subsequent proteasomal degradation of target proteins (By similarity). Key positive regulator of the SA-dependent signaling pathway that negatively regulates JA-dependent signaling pathway. Mediates the binding of TGA factors to the as-1 motif found in the pathogenesis-related PR-1 gene, leading to the transcriptional regulation of the gene defense. Controls the onset of systemic acquired resistance (SAR). Upon SAR induction, [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Lipase-like PAD4; Probable lipase required downstream of MPK4 for accumulation of the plant defense-potentiating molecule, salicylic acid, thus contributing to the plant innate immunity against invasive biotrophic pathogens and to defense mechanisms upon recognition of microbe- associated molecular patterns (MAMPs). Participates in the regulation of various molecular and physiological processes that influence fitness. Together with SG101, required for programmed cell death (PCD) triggered by NBS-LRR resistance proteins (e.g. RPS4, RPW8.1 and RPW8.2) in response to the fungal toxin fumo [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Cysteine and histidine-rich domain-containing protein RAR1; Required specifically for plant innate immunity. Is essential for resistance conferred by multiple R genes recognizing different bacterial and oomycete pathogen isolates like avirulent P.syringae or H.parasitica (downy mildew). Contributes additively with SGT1B to RPP5- dependent resistance. Functions as positive regulator of RPS5 accumulation by assisting its stabilization. May function as co- chaperone of HSP90-2 to positively regulate the steady-state accumulation of RPM1 and protect it from SGT1-mediated degradation. Acts [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

RPM1-interacting protein 4; Essential regulator of plant defense, which plays a central role in resistance in case of infection by a pathogen. It is a common target for both type III avirulence proteins from P.syringae (AvrB, AvrRpm1 and AvrRpt2) and for the plant Resistance (R) proteins RPM1 and RPS2. In strains carrying the appropriate R gene for avirulence proteins of the pathogen, its association with avirulence proteins triggers a defense system including the hypersensitive response, which limits the spread of disease. In contrast, in plants lacking appropriate R genes, its associ [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Disease resistance protein RPM1; Disease resistance (R) protein that specifically recognizes the AvrRpm1 type III effector avirulence protein from Pseudomonas syringae. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via an indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth. Acts via its interaction with RIN4, and probably triggers the plant resistance when RIN4 is phosphorylated by AvrRpm1. It is then degraded at the onset of th [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Protein SUPPRESSOR OF npr1-1, CONSTITUTIVE 1; Disease resistance protein of the TIR-NB-LRR-type. Part of the RPP5 locus that contains a cluster of several paralogous disease resistance (R) genes. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via an indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth. Probably acts as a NAD(+) hydrolase (NADase): in response to activation, catalyzes cleavage of NAD(+) into ADP-D- ribose (ADPR) an [...]

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Disease resistance protein SUMM2; Disease resistance protein that mediates defense responses against the bacterial pathogen Pseudomonas syringae pv tomato strain DC3000, and the virulent oomycete Hyaloperonospora arabidopsidis isolate Noco2. Becomes active when the MEKK1-MKK1-MKK2-MPK4 kinase cascade is disrupted by the microbial effector hopAI1. Does not seem to be required for the activation of MPK4 by flg22, or flg22-induced up- regulation of PAD3. Functions downstream of MEKK2/SUMM1 in immune responses, including cell death and defense responses.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Syntaxin-122; Vesicle trafficking protein that functions in the secretory pathway.

Accelerated cell death 11; Exhibits selective intermembrane transfer of ceramide-1- phosphate (C1P) and phytoceramide-1-phosphate. Does not transport ceramide (Cer) or GalCer, suggesting a requirement for phosphate in the headgroup for functionality. Transports in vitro sphingosine, but not glycosphigolipids. Has also some in vitro activity with sphingomyelin, a lipid not detected in plant tissues. The transport function may be not directly involved in regulating cell death. Rather, perturbations in the function of ACD11 or related components could be monitored by R-proteins, which the [...]

Toll/interleukin-1 receptor-like protein; Disease resistance protein. Resistance proteins guard the plant against pathogens that contain an appropriate avirulence protein via a direct or indirect interaction with this avirulence protein. That triggers a defense system including the hypersensitive response, which restricts the pathogen growth (By similarity).

1-aminocyclopropane-1-carboxylate oxidase 4; Enzyme involved in the ethylene biosynthesis. May promote stem elongation by maximizing the extensibility cells, possibly by activating ethylene biosynthesis, in response to very-long-chain fatty acids (VLCFAs C20:0 to C30:0); Belongs to the iron/ascorbate-dependent oxidoreductase family.

Probable aminotransferase ACS10; Probable aminotransferase. Does not have 1-aminocyclopropane- 1-carboxylate synthase (ACS) activity, suggesting that it is not involved in ethylene biosynthesis.

1-aminocyclopropane-1-carboxylate oxidase 4; Enzyme involved in the ethylene biosynthesis. May promote stem elongation by maximizing the extensibility cells, possibly by activating ethylene biosynthesis, in response to very-long-chain fatty acids (VLCFAs C20:0 to C30:0); Belongs to the iron/ascorbate-dependent oxidoreductase family.

Probable aminotransferase ACS12; Probable aminotransferase. Does not have 1-aminocyclopropane- 1-carboxylate synthase (ACS) activity, suggesting that it is not involved in ethylene biosynthesis.

1-aminocyclopropane-1-carboxylate oxidase 4; Enzyme involved in the ethylene biosynthesis. May promote stem elongation by maximizing the extensibility cells, possibly by activating ethylene biosynthesis, in response to very-long-chain fatty acids (VLCFAs C20:0 to C30:0); Belongs to the iron/ascorbate-dependent oxidoreductase family.

Serine/threonine-protein kinase CTR1; Acts as a negative regulator in the ethylene response pathway. Phosphorylates the cytosolic C-terminal domain of EIN2, preventing the signaling in the absence of ethylene.

1-aminocyclopropane-1-carboxylate oxidase 4; Enzyme involved in the ethylene biosynthesis. May promote stem elongation by maximizing the extensibility cells, possibly by activating ethylene biosynthesis, in response to very-long-chain fatty acids (VLCFAs C20:0 to C30:0); Belongs to the iron/ascorbate-dependent oxidoreductase family.

Ethylene-insensitive protein 2; Central factor in signaling pathways regulated by ethylene (ET), and involved in various processes including development, plant defense, senescence, nucleotide sugar flux, and tropisms. Necessary for ethylene-mediated gene regulation, and for the induction of some genes by ozone. Acts downstream of ET receptors, and upstream of ethylene regulated transcription factors. Required for cytokinin-mediated processes. Seems to be implicated in cross-talk between ET, jasmonate and other pathways. Probably not involved in iron uptake. Has a short half-life and un [...]