Abstract
A strain of marine Bacillus megaterium was screened from the ocean. This strain of B. megaterium exhibited high inhibitory effect on the growth of Aspergillus flavus on PDA plates,so the inhibitory effect on the biosynthesis of aflatoxin was further studied. The results showed this strain of B. megaterium could significantly inhibit the biosynthesis of aflatoxin both in liquid medium( p 0.01) and mechanical damaged peanuts( p 0.05) , but didn’t exhibit inhibitory biosynthesis effect in intact peanuts. The primary inhibitory mechanisms were accredited to competitive growth and some kinds of metabolites secreted by this strain of B.megaterium which could inhibit the growth of A.flavus and expression of the genes relating to aflatoxin biosynthesis.
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Claims 5
Claim · model-written summary
Marine B. megaterium inhibited Aspergillus flavus growth on PDA.
- Taxon
- peanuts
Arachis hypogaeae1 - Interactor
- Aspergillus flavus
Aspergillus flavuse0pathogen - Second interactor
- B. megaterium
Priestia megateriume0biocontrol_agent - Outcome
- growth of Aspergillus flavuse0
- Setting
- PDA platese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This strain of B. megaterium exhibited high inhibitory effect on the growth of Aspergillus flavus on PDA plates”
e1“mechanical damaged peanuts”
Claim · model-written summary
B. megaterium significantly inhibited aflatoxin biosynthesis in liquid medium.
- Taxon
- peanutsArachis hypogaeae0
- Treatment
- this strain of B. megateriume0
- Interactor
- B. megateriumPriestia megateriume0biocontrol_agent
- Outcome
- biosynthesis of aflatoxine0
- Direction
- inhibite0
- Setting
- liquid mediume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this strain of B. megaterium could significantly inhibit the biosynthesis of aflatoxin both in liquid medium( p 0.01) and mechanical damaged peanuts( p 0.05)”
Claim · model-written summary
B. megaterium significantly inhibited aflatoxin biosynthesis in mechanically damaged peanuts.
- Taxon
- peanutsArachis hypogaeae0
- Treatment
- this strain of B. megateriume0
- Interactor
- B. megateriumPriestia megateriume0biocontrol_agent
- Outcome
- biosynthesis of aflatoxine0
- Direction
- inhibite0
- Qualifier
- mechanical damaged peanutse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this strain of B. megaterium could significantly inhibit the biosynthesis of aflatoxin both in liquid medium( p 0.01) and mechanical damaged peanuts( p 0.05)”
Claim · model-written summary
B. megaterium did not inhibit aflatoxin biosynthesis in intact peanuts.
- Taxon
- peanutsArachis hypogaeae0
- Treatment
- B. megateriume1
- Interactor
- B. megateriumPriestia megateriume1biocontrol_agent
- Outcome
- biosynthesise0
- Direction
- didn’t exhibit inhibitorye0
- Qualifier
- intact peanutse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but didn’t exhibit inhibitory biosynthesis effect in intact peanuts.”
e1“This strain of B. megaterium exhibited”
Claim · model-written summary
Authors attributed inhibition to competitive growth and metabolites that inhibit A. flavus growth and aflatoxin related gene expression.
- Taxon
- peanutsArachis hypogaeae1
- Interactor
- A.flavusAspergillus flavuse0pathogen
- Second interactor
- B.megateriumPriestia megateriume0biocontrol_agent
- Outcome
- growth of A.flavus and expression of the genes relating to aflatoxin biosynthesise0
- Qualifier
- competitive growth and some kinds of metabolitese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The primary inhibitory mechanisms were accredited to competitive growth and some kinds of metabolites secreted by this strain of B.megaterium which could inhibit the growth of A.flavus and expression of the genes relating to aflatoxin biosynthesis.”
e1“mechanical damaged peanuts”
The same questions in other papers
Priestia megaterium · molecular: metabolites · Arachis hypogaea (peanut)Positive and negative results
1 in the opposite direction
- 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.