Abstract
Festuca rubra subsp. pruinosa is a perennial grass growing in sea cliffs where plants are highly exposed to salinity and marine winds, and often grow in rock fissures where soil is absent. Diaporthe species are one of the most abundant components of the root microbiome of this grass and several Diaporthe isolates have been found to produce beneficial effects in their host and other plant species of agronomic importance. In this study, 22 strains of Diaporthe isolated as endophytes from roots of Festuca rubra subsp. pruinosa were characterized by molecular, morphological, and biochemical analyses. Sequences of the nuclear ribosomal internal transcribed spacers (ITS), translation elongation factor 1-α ( TEF1 ), beta-tubulin ( TUB ), histone-3 ( HIS ), and calmodulin ( CAL ) genes were analyzed to identify the isolates. A multi-locus phylogenetic analysis of the combined five gene regions led to the identification of two new species named Diaporthe atlantica and Diaporthe iberica . Diaporthe atlantica is the most abundant Diaporthe species in its host plant, and Diaporthe iberica was also isolated from Celtica gigantea , another grass species growing in semiarid inland habitats. An in vitro biochemical characterization showed that all cultures of D. atlantica produced indole-3-acetic acid and ammonium, and the strains of D. iberica produced indole 3-acetic acid, ammonium, siderophores, and cellulase. Diaporthe atlantica is closely related to D. sclerotioides , a pathogen of cucurbits, and caused a growth reduction when inoculated in cucumber, melon, and watermelon.
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Claims 11
Claim · model-written summary
Phylogenetic analysis identified the new species Diaporthe atlantica.
- Taxon
- Festuca rubra subsp. pruinosa
Festuca rubra subsp. pruinosat0 - Interactor
- Diaporthe atlanticae0symbiont
- Outcome
- identification of two new speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A multi-locus phylogenetic analysis of the combined five gene regions led to the identification of two new species named Diaporthe atlantica and Diaporthe iberica”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Phylogenetic analysis identified the new species Diaporthe iberica.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- Diaporthe ibericae0symbiont
- Outcome
- identification of two new speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A multi-locus phylogenetic analysis of the combined five gene regions led to the identification of two new species named Diaporthe atlantica and Diaporthe iberica”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Diaporthe atlantica was the most abundant Diaporthe species in Festuca.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- Diaporthe atlanticae0symbiont
- Outcome
- most abundant Diaporthe speciese0
- Direction
- most abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diaporthe atlantica is the most abundant Diaporthe species in its host plant”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Diaporthe iberica was also isolated from Celtica gigantea.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- Diaporthe ibericae0symbiont
- Outcome
- isolated from Celtica giganteae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diaporthe iberica was also isolated from Celtica gigantea”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
All Diaporthe atlantica cultures produced indole-3-acetic acid and ammonium.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- D. atlanticae0symbiont
- Outcome
- produced indole-3-acetic acid and ammoniume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all cultures of D. atlantica produced indole-3-acetic acid and ammonium”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Diaporthe iberica strains produced indole-3-acetic acid, ammonium and siderophores.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- D. ibericae0symbiont
- Outcome
- produced indole 3-acetic acid, ammonium, siderophorese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the strains of D. iberica produced indole 3-acetic acid, ammonium, siderophores, and cellulase”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Diaporthe iberica strains produced cellulase.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- D. ibericae0symbiont
- Outcome
- cellulasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the strains of D. iberica produced indole 3-acetic acid, ammonium, siderophores, and cellulase”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Diaporthe atlantica was closely related to the cucurbit pathogen D. sclerotioides.
- Taxon
- Festuca rubra subsp. pruinosaFestuca rubra subsp. pruinosat0
- Interactor
- Diaporthe atlanticae0symbiont
- Outcome
- closely related to D. sclerotioidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diaporthe atlantica is closely related to D. sclerotioides , a pathogen of cucurbits”
t0“Festuca rubra subsp. pruinosa”
Claim · model-written summary
Diaporthe atlantica inoculation reduced cucumber growth.
- Taxon
- cucumber
Cucumis sativuse0 - Treatment
- inoculatede0
- Interactor
- Diaporthe atlanticae0pathogen
- Outcome
- growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diaporthe atlantica is closely related to D. sclerotioides , a pathogen of cucurbits, and caused a growth reduction when inoculated in cucumber, melon, and watermelon”
Claim · model-written summary
Diaporthe atlantica inoculation reduced melon growth.
- Taxon
- melon
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Cucumis meloe0 - Treatment
- inoculatede0
- Interactor
- Diaporthe atlanticae0pathogen
- Outcome
- growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Diaporthe atlantica is closely related to D. sclerotioides , a pathogen of cucurbits, and caused a growth reduction when inoculated in cucumber, melon, and watermelon”
Claim · model-written summary
Diaporthe atlantica inoculation reduced watermelon growth.
- Taxon
- watermelon
Citrullus lanatuse0 - Treatment
- inoculatede0
- Interactor
- Diaporthe atlanticae0pathogen
- Outcome
- growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diaporthe atlantica is closely related to D. sclerotioides , a pathogen of cucurbits, and caused a growth reduction when inoculated in cucumber, melon, and watermelon”
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See all 121 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.