Abstract
Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants. Selenium (Se), recognized as a beneficial trace element for plant growth, exhibited inhibitory effects on P. nicotianae proliferation, disrupting the cell membrane integrity. This action reduced the energy supply and hindered hyphal transport through membrane proteins, ultimately inducing hyphal apoptosis. Application of 8 mg/L Se through leaf spraying resulted in a notable decrease in TBS incidence. Moreover, Se treatment preserved chloroplast structure, elevated chitinase activities, β-1,3-GA, polyphenol oxidase, phenylalanine ammonia-lyase, and increased hormonal content. Furthermore, Se enhanced flavonoid and sugar alcohol metabolite levels while diminishing amino acid and organic acid content. This shift promoted amino acid degradation and flavonoid synthesis. These findings underscore the potential efficacy of Se in safeguarding tobacco and potentially other plants against P. nicotianae .
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Claims 9
Claim · model-written summary
Selenium inhibited P. nicotianae proliferation and disrupted membrane integrity.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Interactor
- P. nicotianae
Phytophthora nicotianaee0pathogen - Outcome
- P. nicotianae proliferatione0
- Direction
- inhibitorye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Selenium (Se), recognized as a beneficial trace element for plant growth, exhibited inhibitory effects on P. nicotianae proliferation, disrupting the cell membrane integrity.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
Selenium reduced pathogen energy supply and hindered hyphal transport, inducing apoptosis.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Outcome
- hyphal apoptosise0
- Qualifier
- hyphal transport through membrane proteinse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This action reduced the energy supply and hindered hyphal transport through membrane proteins, ultimately inducing hyphal apoptosis.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
Leaf spraying 8 mg/L selenium decreased tobacco black shank incidence.
- Taxon
- tobacco plants
Nicotiana tabacume0
- Treatment
- 8 mg/L Se through leaf sprayinge0
- Interactor
- Phytophthora nicotianae
Phytophthora nicotianaee0pathogen - Outcome
- TBS incidencee0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants. Selenium (Se), recognized as a beneficial trace element for plant growth, exhibited inhibitory effects on P. nicotianae proliferation, disrupting the cell membrane integrity. This action reduced the energy supply and hindered hyphal transport through membrane proteins, ultimately inducing hyphal apoptosis. Application of 8 mg/L Se through leaf spraying resulted in a notable decrease in TBS incidence.”
Claim · model-written summary
Selenium treatment preserved chloroplast structure.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Treatment
- Se treatmente0
- Outcome
- chloroplast structuree0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Se treatment preserved chloroplast structure, elevated chitinase activities, β-1,3-GA, polyphenol oxidase, phenylalanine ammonia-lyase, and increased hormonal content.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
Selenium elevated chitinase, β-1,3-GA, polyphenol oxidase and phenylalanine ammonia-lyase activities.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Treatment
- Se treatmente0
- Outcome
- chitinase activities, β-1,3-GA, polyphenol oxidase, phenylalanine ammonia-lyasee0
- Direction
- elevatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Se treatment preserved chloroplast structure, elevated chitinase activities, β-1,3-GA, polyphenol oxidase, phenylalanine ammonia-lyase, and increased hormonal content.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
Selenium increased hormonal content.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Treatment
- Se treatmente0
- Outcome
- hormonal contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Se treatment preserved chloroplast structure, elevated chitinase activities, β-1,3-GA, polyphenol oxidase, phenylalanine ammonia-lyase, and increased hormonal content.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
Selenium enhanced flavonoid and sugar alcohol levels.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Treatment
- See0
- Outcome
- flavonoid and sugar alcohol metabolite levelse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Se enhanced flavonoid and sugar alcohol metabolite levels while diminishing amino acid and organic acid content.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
Selenium diminished amino acid and organic acid content.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Treatment
- See0
- Outcome
- amino acid and organic acid contente0
- Direction
- diminishinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Se enhanced flavonoid and sugar alcohol metabolite levels while diminishing amino acid and organic acid content.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
Claim · model-written summary
The metabolic shift promoted amino acid degradation and flavonoid synthesis.
- Taxon
- tobacco plants
Nicotiana tabacumt0
- Outcome
- amino acid degradation and flavonoid synthesise0
- Direction
- promotede0
- Qualifier
- This shifte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This shift promoted amino acid degradation and flavonoid synthesis.”
t0“Tobacco black shank (TBS), caused by Phytophthora nicotianae, poses a significant threat to tobacco plants.”
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selenium atom · molecular: metabolites · Nicotiana tabacum (tobacco)Results agree
5 papers in the same direction as this paper
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2 papers more in this group
See all 6 papers →application · Phytophthora nicotianae · Nicotiana tabacum (tobacco)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.