Abstract
Diverse endophytes with multiple functions exist in different banana cultivars. However, the diversity of cultivable bacterial endophytome that contributes to antifungal activity against Fusarium oxysporum f.sp. cubense (Foc) in resistant and susceptible banana cultivars is mostly unknown. In the present study, we isolated bacterial endophytes from resistant Yengambi KM5 (AAA) and susceptible banana cultivar Ney Poovan (AB) to determine the diversity of cultivable bacterial endophytes. Our study revealed the presence of 56 cultivable bacterial endophytes and 6 nectar-associated bacteria in YKM5 and 31 cultivable bacterial endophytes in Ney Poovan. The identified cultivable bacterial genera in YKM5 included Alcaligenes, Arthrobacter, Azotobacter, Acinetobacter, Agrobacterium, Bacillus, Brucella, Brevundimonas, Brachybacterium, Beijerinckia, Klebsiella, Leclercia, Lysinibacillus, Myroides, Ochrobactrum, Pseudomonas, Rhizobium, Stenotrophomonas, Serratia, and Verticiella. In Ney Poovan, the cultivable endophytic bacterial genera present were Agrobacterium, Bacillus, Bradyrhizobium, Enterobacter, Klebsiella, Lysinibacillus, Micrococcus, Ochrobactrum, Pseudomonas, Rhizobium, and Sphingobium. Thus, the composition and diversity of cultivable endophytic bacterial genera were higher in Foc-resistant YKM5. The antifungal efficacy of bacterial endophytes Brachybacterium paraconglomeratum YEBPT2 (65.5%), Brucella melitensis YEBPS3 (63.3%), Bacillus velezensis YEBBR6 (63.3%), and nectar-associated Bacillus albus YEBN2 (61.1%) from YKM5 showed the highest antifungal activity against Foc, compared with the antifungal activity of endophytes from the susceptible cultivar.
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Claims 10
Claim · model-written summary
In the Foc-resistant banana cultivar YKM5, 56 cultivable bacterial endophytes were found.
Verbatim
e1“Our study revealed the presence of 56 cultivable bacterial endophytes and 6 nectar-associated bacteria in YKM5”
t0“banana cultivar”
Claim · model-written summary
In banana cultivar YKM5, 6 nectar-associated bacteria were found.
Verbatim
e1“Our study revealed the presence of 56 cultivable bacterial endophytes and 6 nectar-associated bacteria in YKM5”
t0“banana cultivar”
Claim · model-written summary
In the susceptible banana cultivar Ney Poovan, 31 cultivable bacterial endophytes were found.
Verbatim
e1“31 cultivable bacterial endophytes in Ney Poovan”
t0“banana cultivar”
Claim · model-written summary
The composition and diversity of cultivable endophytic bacterial genera were higher in the Foc-resistant cultivar YKM5.
Verbatim
e1“the composition and diversity of cultivable endophytic bacterial genera were higher in Foc-resistant YKM5”
t0“banana cultivar”
Claim · model-written summary
The cultivable bacterial genera identified in YKM5 included Alcaligenes, Arthrobacter, Azotobacter, Acinetobacter, Agrobacterium, Bacillus, Brucella, Brevundimonas, Brachybacterium, Beijerinckia, Klebsiella, Leclercia, Lysinibacillus, Myroides, Ochrobactrum, Pseudomonas, Rhizobium, Stenotrophomonas, Serratia and Verticiella.
Not reportedDirection
Verbatim
e1“The identified cultivable bacterial genera in YKM5 included Alcaligenes, Arthrobacter, Azotobacter, Acinetobacter, Agrobacterium, Bacillus, Brucella, Brevundimonas, Brachybacterium, Beijerinckia, Klebsiella, Leclercia, Lysinibacillus, Myroides, Ochrobactrum, Pseudomonas, Rhizobium, Stenotrophomonas, Serratia, and Verticiella”
t0“banana cultivar”
Claim · model-written summary
The cultivable endophytic bacterial genera present in Ney Poovan were Agrobacterium, Bacillus, Bradyrhizobium, Enterobacter, Klebsiella, Lysinibacillus, Micrococcus, Ochrobactrum, Pseudomonas, Rhizobium and Sphingobium.
Not reportedDirection
Verbatim
e1“In Ney Poovan, the cultivable endophytic bacterial genera present were Agrobacterium, Bacillus, Bradyrhizobium, Enterobacter, Klebsiella, Lysinibacillus, Micrococcus, Ochrobactrum, Pseudomonas, Rhizobium, and Sphingobium”
t0“banana cultivar”
Claim · model-written summary
The YKM5 endophyte Brachybacterium paraconglomeratum YEBPT2 showed antifungal activity against Foc of 65.5%, among the highest and higher than endophytes from the susceptible cultivar.
- Taxon
- bananat0
- Treatment
- Brachybacterium paraconglomeratum YEBPT2e1
- Interactor
- Foce2pathogen
- Second interactor
- Brachybacterium paraconglomeratum YEBPT2Brachybacterium paraconglomeratume1biocontrol_agent
- Outcome
- antifungal activitye2
- Direction
- higheste2
- Value
- 65.5%e1
- Comparator
- endophytes from the susceptible cultivare3
Verbatim
e1“Brachybacterium paraconglomeratum YEBPT2 (65.5%)”
e2“showed the highest antifungal activity against Foc”
e3“compared with the antifungal activity of endophytes from the susceptible cultivar”
t0“banana cultivar”
Claim · model-written summary
The YKM5 endophyte Brucella melitensis YEBPS3 showed antifungal activity against Foc of 63.3%, among the highest and higher than endophytes from the susceptible cultivar.
Verbatim
e1“Brucella melitensis YEBPS3 (63.3%)”
e2“showed the highest antifungal activity against Foc”
e3“compared with the antifungal activity of endophytes from the susceptible cultivar”
t0“banana cultivar”
Claim · model-written summary
The YKM5 endophyte Bacillus velezensis YEBBR6 showed antifungal activity against Foc of 63.3%, among the highest and higher than endophytes from the susceptible cultivar.
- Taxon
- bananat0
- Treatment
- Bacillus velezensis YEBBR6e1
- Interactor
- Foce2pathogen
- Second interactor
- Bacillus velezensis YEBBR6
Bacillus velezensise1biocontrol_agent - Outcome
- antifungal activitye2
- Direction
- higheste2
- Value
- 63.3%e1
- Comparator
- endophytes from the susceptible cultivare3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Bacillus velezensis YEBBR6 (63.3%)”
e2“showed the highest antifungal activity against Foc”
e3“compared with the antifungal activity of endophytes from the susceptible cultivar”
t0“banana cultivar”
Claim · model-written summary
The nectar-associated Bacillus albus YEBN2 from YKM5 showed antifungal activity against Foc of 61.1%, among the highest and higher than endophytes from the susceptible cultivar.
Verbatim
e1“nectar-associated Bacillus albus YEBN2 (61.1%)”
e2“showed the highest antifungal activity against Foc”
e3“compared with the antifungal activity of endophytes from the susceptible cultivar”
t0“banana cultivar”