Abstract
Banana Fusarium wilt caused by Fusarium oxysporum f. sp. cubense is a disastrous fungal disease. Foc tropical race 4 (Foc TR4) infects almost all banana cultivars. Use of chemical fungicides caused serious environment pollution. Biological control with antagonistic microbes is a promising strategy for controlling Foc TR4. Here, strain WHL7 isolated from marine soft coral exhibited a high antifungal activity against Foc TR4. Based on the morphological and physicochemical profiles as well as the phylogenetic tree, the strain was assigned to Streptomyces sp. Fermentation broth of Streptomyces sp. WHL7 significantly increased the resistance of banana plantlets to Foc TR4 in the pot experiment. Analysis of antifungal mechanism showed that strain WHL7 extracts inhibited spore germination and mycelial growth of Foc TR4, and destroyed cell integrity and ultrastructure. Hence, Streptomyces sp. WHL7 is an important bioresource for exploring novel natural products and biofertilizer to manage Foc TR4.
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Claims 5
Claim · model-written summary
Strain WHL7 exhibited high antifungal activity against Foc TR4.
- Taxon
- Bananat0
- Interactor
- Foc TR4
_(38100977215).jpg?width=60)
Fusarium odoratissimume0pathogen - Outcome
- antifungal activity against Foc TR4e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_(38100977215).jpg?width=500)
Verbatim
t0“Banana Plantlets”
e0“strain WHL7 isolated from marine soft coral exhibited a high antifungal activity against Foc TR4”
Claim · model-written summary
The strain was assigned to Streptomyces sp.
- Taxon
- Bananat0
- Interactor
- Streptomyces sp.
Streptomyces sp.e0biocontrol_agent - Outcome
- assigned to Streptomyces sp.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Banana Plantlets”
e0“the strain was assigned to Streptomyces sp.”
Claim · model-written summary
Fermentation broth of Streptomyces sp. WHL7 increased banana plantlet resistance to Foc TR4 in pots.
- Taxon
- bananae0
- Treatment
- Fermentation broth of Streptomyces sp. WHL7e0
- Interactor
- Foc TR4Fusarium odoratissimume0pathogen
- Second interactor
- Streptomyces sp. WHL7e0biocontrol_agent
- Outcome
- resistance of banana plantlets to Foc TR4e0
- Direction
- increasede0
- Setting
- pot experimente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fermentation broth of Streptomyces sp. WHL7 significantly increased the resistance of banana plantlets to Foc TR4 in the pot experiment”
Claim · model-written summary
WHL7 extracts inhibited Foc TR4 spore germination and mycelial growth.
- Taxon
- Bananat0
- Treatment
- strain WHL7 extractse0
- Interactor
- Foc TR4Fusarium odoratissimume0pathogen
- Second interactor
- strain WHL7e0biocontrol_agent
- Outcome
- spore germination and mycelial growth of Foc TR4e0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Banana Plantlets”
e0“strain WHL7 extracts inhibited spore germination and mycelial growth of Foc TR4”
Claim · model-written summary
WHL7 extracts destroyed Foc TR4 cell integrity and ultrastructure.
- Taxon
- Bananat0
- Treatment
- strain WHL7 extractse0
- Interactor
- Foc TR4Fusarium odoratissimume0pathogen
- Second interactor
- strain WHL7e0biocontrol_agent
- Outcome
- cell integrity and ultrastructuree0
- Direction
- destroyede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Banana Plantlets”
e0“strain WHL7 extracts inhibited spore germination and mycelial growth of Foc TR4, and destroyed cell integrity and ultrastructure”
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