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Title: | Salicylic acid-mediated establishment of the compatibility between Alternaria brassicicola and Brassica juncea is mitigated by abscisic acid in Sinapis alba |
Other Titles: | Not Available |
Authors: | Mazumdar M., Das S., Saha U., Chatterjee M., Banerjee Kaushik, Basu D. |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::National Research Centre for Grapes |
Published/ Complete Date: | 2013-05-21 |
Project Code: | Not Available |
Keywords: | Abscisic acid Salicylic acid LC-MS/MS |
Publisher: | Elsevier |
Citation: | Mazumdar M., Das S., Saha U., Chatterjee M., Banerjee Kaushik, Basu D. (2013). Salicylic acid-mediated establishment of the compatibility between Alternaria brassicicola and Brassica juncea is mitigated by abscisic acid in Sinapis alba. Plant Physiology and Biochemistry 70: 43-51 |
Series/Report no.: | Not Available; |
Abstract/Description: | This work addresses the changes in the phytohormonal signature in the recognition of the necrotrophic fungal pathogen Alternaria brassicicola by susceptible Brassica juncea and resistant Sinapis alba. Although B. juncea, S. alba and Arabidopsis all belong to the same family, Brassicaceae, the phytohormonal response of susceptible B. juncea towards this pathogen is unique because the latter two species express non-host resistance. The differential expression of the PR1 gene and the increased level of salicylic acid (SA) indicated that an SA-mediated biotrophic mode of defence response was triggered in B. juncea upon challenge with the pathogen. Compared to B. juncea, resistant S. alba initiated enhanced abscisic acid (ABA) and jasmonic acid (JA) responses following challenge with this pathogen, as revealed by monitoring the expression of ABA-related genes along with the concentration of ABA and JA. Furthermore, these results were verified by the exogenous application of ABA on B. juncea leaves prior to challenge with A. brassicicola, which resulted in a delayed disease progression, followed by the inhibition of the pathogen-mediated increase in SA response and enhanced JA levels. Therefore, it seems that A. brassicicola is steering the defence response towards a biotrophic mode by mounting an SA response in susceptible B. juncea, whereas the enhanced ABA response of S. alba not only counteracts the SA response but also restores the necrotrophic mode of resistance by enhancing JA biosynthesis. |
Description: | Not Available |
Type(s) of content: | Journal |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Plant Physiology and Biochemistry |
NAAS Rating: | 9.72 |
Volume No.: | 70 |
Page Number: | 43-51 |
Name of the Division/Regional Station: | National Reference Laboratory |
Source, DOI or any other URL: | https://doi.org/10.1016/j.plaphy.2013.04.025 |
URI: | https://doi.org/10.1016/j.plaphy.2013.04.025 http://krishi.icar.gov.in/jspui/handle/123456789/38882 |
Appears in Collections: | HS-NRCG-Publication |
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