Biochemical responses of suspension-cultured sugarcane cells to an elicitor derived from the root pathogen Pachymetra chaunorhiza

McGhie, Tony K., Masel, Niall P., Maclean, Don, Croft, Barry J. and Smith, Grant R. (1997) Biochemical responses of suspension-cultured sugarcane cells to an elicitor derived from the root pathogen Pachymetra chaunorhiza. Australian Journal of Plant Physiology, 24 2: 143-149.

Author McGhie, Tony K.
Masel, Niall P.
Maclean, Don
Croft, Barry J.
Smith, Grant R.
Title Biochemical responses of suspension-cultured sugarcane cells to an elicitor derived from the root pathogen Pachymetra chaunorhiza
Journal name Australian Journal of Plant Physiology   Check publisher's open access policy
ISSN 0310-7841
Publication date 1997-01-01
Sub-type Article (original research)
Open Access Status Not yet assessed
Volume 24
Issue 2
Start page 143
End page 149
Total pages 7
Language eng
Subject 1100 Agricultural and Biological Sciences
Abstract The fungus Pachymetra chaunorhiza Croft and Dick causes a root rot in sugarcane (Saccharum interspecific hybrid). Suspension-cultured sugarcane cells prepared from cultivars Q114 (P. chaunorhiza resistant) and Q90 (P. chaunorhiza susceptible) were inoculated with a heat-derived elicitor preparation from P. chaunorhiza and the cellular responses monitored by measuring phenylalanine ammonia-lyase (PAL) and perexidase (POD) activity and the production of additional phenolic compounds. Introduction of the P. chaunorhiza elicitor induced marked changes in the biochemistry of both sugarcane cell lines. Both cell lines produced additional phenolic compounds not present in untreated cells and different compounds were produced by each cell line. Induced enzyme activities also differed between the cell lines with Q90 (susceptible) showing a large and transitory increase in PAL activity that was far greater than that observed for Q114 (resistant). POD activity increased more in Q114 than in Q90, although the differences between the resistant and susceptible cell lines were not as great as for PAL.
Keyword Pachymetra
Peroxidase
Phenolic compounds
Phenylalanine ammonialyase
Plant-pathogen interactions
Sugarcane
Suspension-cultured cells
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Fri, 16 Mar 2018, 01:37:46 EST