Abstract
The widespread use of conventional pesticides for plant pathogen control poses significant risks to human health and the environment, and it is therefore crucial to develop environmentally friendly, human-safe alternatives to these products that offer a sustainable approach for crop protection. Here, we examined the potential of ethanolic extracts from four forest tree species for their antibacterial activity against the bacterial pathogen Pseudomonas syringae pv. tomato (Pst) and their ability to trigger effective defense responses in the model plant Arabidopsis thaliana. The extracts exhibited direct toxic effects against Pst and triggered the expression of defense-related genes naturally induced by oxidative stress cues or the defense elicitor salicylic acid in leaf tissue. The direct antibacterial effects of the tree extracts, together with their defense gene-inducing effects in planta, resulted in a strong host plant-protecting effect against Pst. These findings suggest the eventual effectiveness of forest tree extracts as plant protectants against the bacterial pathogen Pst. They also suggest the potential of these extracts as a sustainable, eco-friendly alternative to conventional pesticides for the management of economically important plant pathogens.
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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 3
Claim · model-written summary
Forest tree extracts were directly toxic to Pseudomonas syringae pv. tomato.
- Taxon
- Pseudomonas syringae pv. tomato
Pseudomonas syringae pv. tomatoe1 - Treatment
- extractse0
- Outcome
- direct toxic effectse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The extracts exhibited direct toxic effects against Pst”
e1“bacterial pathogen Pseudomonas syringae pv. tomato (Pst)”
e2“model plant Arabidopsis thaliana”
Claim · model-written summary
Forest tree extracts induced defense-related gene expression in Arabidopsis leaves.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae2 - Organ / stage
- leaf tissuee0
- Treatment
- ethanolic extractse1
- Outcome
- expression of defense-related genese0
- Direction
- triggerede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“triggered the expression of defense-related genes naturally induced by oxidative stress cues or the defense elicitor salicylic acid in leaf tissue”
e1“ethanolic extracts from four forest tree species”
e2“model plant Arabidopsis thaliana”
Claim · model-written summary
The tree extracts strongly protected Arabidopsis against Pst.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae1
- Treatment
- tree extractse0
- Interactor
- Pseudomonas syringae pv. tomatoPseudomonas syringae pv. tomatoe2pathogen
- Outcome
- host plant-protecting effecte0
- Direction
- stronge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The direct antibacterial effects of the tree extracts, together with their defense gene-inducing effects in planta, resulted in a strong host plant-protecting effect against Pst”
e1“model plant Arabidopsis thaliana”
e2“bacterial pathogen Pseudomonas syringae pv. tomato (Pst)”
The same questions in other papers
botanical · molecular: expression · Arabidopsis thaliana (thale cress)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- 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.