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024 7 |a 10.1016/j.plantsci.2013.09.008  |2 doi 
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041 |a eng 
100 1 |a Melvin, Prasad  |e verfasserin  |4 aut 
245 1 0 |a Involvement of mitogen-activated protein kinase signalling in pearl millet-downy mildew interaction 
264 1 |c 2014 
336 |a Text  |b txt  |2 rdacontent 
337 |a ƒaComputermedien  |b c  |2 rdamedia 
338 |a ƒa Online-Ressource  |b cr  |2 rdacarrier 
500 |a Date Completed 25.07.2014 
500 |a Date Revised 30.09.2020 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2013 Elsevier Ireland Ltd. All rights reserved. 
520 |a Mitogen-activated protein kinase (MAPK) cascade-mediated signalling is essential in the establishment of resistance towards pathogens. The present study compared MAPK activities in a compatible and incompatible interaction between pearl millet [Pennisetum glaucum (L.) R. Br.] and downy mildew pathogen Sclerospora graminicola. Differential expression was observed with rapid and increased activation of MAPKs, PgMPK1 (48kDa) and PgMPK2 (44kDa), in the incompatible interaction; with a weak activity of only PgMPK1 in the compatible interaction. Immunoblot analysis showed PgMPK1 and PgMPK2 to be orthologs of salicylic acid-induced protein kinase and wound-induced protein kinase, respectively. Immunocytochemical analysis revealed pathogen-induced accumulation and nuclear localisation of PgMPKs only in the incompatible interaction with highest signals in the vascular tissues. Maximum PgMPKs activation correlated with the activation of several defence-related enzymes. In addition, inhibition of MAPK-activation by kinase cascade inhibitors correlated with the suppression of defence-related enzyme activities and pathogen-induced H2O2 accumulation. Treatment of pearl millet seedlings with abiotic and biotic elicitors led to a strong early induction of only PgMPK1. β-Amino butyric acid and H2O2 were found to be best activators of PgMPK1. These results suggest that in pearl millet MAPK signalling is involved in mediating several defence mechanisms in response to pathogen infection 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a 2,6-dichloro-isonicotinic acid 
650 4 |a BABA 
650 4 |a Defense-related enzymes 
650 4 |a Histochemical analysis 
650 4 |a INA 
650 4 |a In-gel kinase assay 
650 4 |a Kinase inhibitors 
650 4 |a MAPK 
650 4 |a MBP 
650 4 |a Mitogen-activated protein kinase 
650 4 |a PAL 
650 4 |a PAMP 
650 4 |a POX 
650 4 |a SA 
650 4 |a SIPK 
650 4 |a SOD 
650 4 |a Sclerospora graminicola 
650 4 |a WIPK 
650 4 |a mitogen-activated protein kinase 
650 4 |a myelin basic protein 
650 4 |a pathogen-associated molecular pattern 
650 4 |a peroxidase 
650 4 |a phenylalanine ammonia lyase 
650 4 |a salicylic acid 
650 4 |a salicylic acid-induced protein kinase 
650 4 |a super oxide dismutase 
650 4 |a wound-induced protein kinase 
650 4 |a β-amino butyric acid 
650 7 |a Butadienes  |2 NLM 
650 7 |a Enzyme Inhibitors  |2 NLM 
650 7 |a Flavonoids  |2 NLM 
650 7 |a Nitriles  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a U 0126  |2 NLM 
650 7 |a Chitosan  |2 NLM 
650 7 |a 9012-76-4  |2 NLM 
650 7 |a Hydrogen Peroxide  |2 NLM 
650 7 |a BBX060AN9V  |2 NLM 
650 7 |a Mitogen-Activated Protein Kinases  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
650 7 |a Salicylic Acid  |2 NLM 
650 7 |a O414PZ4LPZ  |2 NLM 
650 7 |a 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one  |2 NLM 
650 7 |a SJE1IO5E3I  |2 NLM 
700 1 |a Prabhu, Sreedhara Ashok  |e verfasserin  |4 aut 
700 1 |a Anup, Chandra Pal  |e verfasserin  |4 aut 
700 1 |a Shailasree, Sekhar  |e verfasserin  |4 aut 
700 1 |a Shetty, Huntrike Shekar  |e verfasserin  |4 aut 
700 1 |a Kini, Kukkundoor Ramachandra  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant science : an international journal of experimental plant biology  |d 1985  |g 214(2014) vom: 19. Jan., Seite 29-37  |w (DE-627)NLM098174193  |x 1873-2259  |7 nnns 
773 1 8 |g volume:214  |g year:2014  |g day:19  |g month:01  |g pages:29-37 
856 4 0 |u http://dx.doi.org/10.1016/j.plantsci.2013.09.008  |3 Volltext 
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952 |d 214  |j 2014  |b 19  |c 01  |h 29-37