Abstract
Suspension cultured soybean (Glycine max [L.] Merr.) cells of four cultivars (Wilis, Lumut, Kalmit, Doko RC) were compared for their response to different fungal and bacterial elicitors. Cells were treated either with crude cell wall extracts of the fungal pathogens Phytophthora sojae (Pmg-elicitor) and Rhizoctonia solani (Riso-elicitor) or with two isolates of the bacterial pathogen Pseudomonas syringae pv. glycinea (Psg01/02) and a broad spectrum of antimicrobial defence reactions was measured. Cells of all four cultivars showed the same elicitor-induced rapid (H2O2 accumulation, alkalinization of the culture medium, peroxidative cross-linking of cell wall proteins) and slow (activation of phenylpropanoid metabolism, accumulation of phenolic compounds, induction of PR-proteins) defence responses. However, the reactivity of the cultivars was not identical in terms of time courses and intensities. Furthermore, the ability of the various elicitors to induce defence responses varied markedly. These differences indicate that (1) cells of the same species but of different cultivars are equipped with the same array of perception systems to recognise various stimuli but (2) the sensitivity of these perception systems or later steps in the signal transduction seem to be stimulated to a different extent in the analysed cultivars.
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Claims 4
Claim · model-written summary
All four soybean cultivars showed rapid and slow elicitor-induced defense responses.
- Taxon
- Soybean
Glycine maxt0 - Organ / stage
- Cellse0
- Treatment
- elicitore0
- Outcome
- defence responsese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cells of all four cultivars showed the same elicitor-induced rapid (H2O2 accumulation, alkalinization of the culture medium, peroxidative cross-linking of cell wall proteins) and slow (activation of phenylpropanoid metabolism, accumulation of phenolic compounds, induction of PR-proteins) defence responses.”
t0“Soybean”
Claim · model-written summary
The soybean cultivars differed in timing and intensity of elicitor reactivity.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- reactivity of the cultivarse0
- Direction
- not identicale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the reactivity of the cultivars was not identical in terms of time courses and intensities”
t0“Soybean”
Claim · model-written summary
The elicitors varied markedly in their ability to induce defense responses.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- ability of the various elicitors to induce defence responsese0
- Direction
- varied markedlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the ability of the various elicitors to induce defence responses varied markedly”
t0“Soybean”
Claim · model-written summary
Cultivars appeared to share perception systems but differ in sensitivity or later signal transduction.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- sensitivity of these perception systems or later steps in the signal transductione0
- Qualifier
- same array of perception systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cells of the same species but of different cultivars are equipped with the same array of perception systems to recognise various stimuli but (2) the sensitivity of these perception systems or later steps in the signal transduction seem to be stimulated to a different extent in the analysed cultivars”
t0“Soybean”
The same questions in other papers
resistance inducer · disease · Glycine max (soybean)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.