Suppression of Bacterial Wilt and Fusarium Wilt by a &lt;i&gt;Burkholderia nodosa&lt;/i&gt; Strain Isolated from Kalimantan Soils, Indonesia

Nion, Yanetri Asi; Toyota, Koki

doi:10.1264/jsme2.23.134

Cited by 21 publications

(14 citation statements)

References 32 publications

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“…Species of Burkholderia included B. cepacia and B. nodosa, known as plant growth promoters, nitrogen-fixing enhancers, and siderophore producers have been used for soil bioremediation for better water management, and biocontrol of soil-borne plant pathogenic fungi (de los Santos-Villalobos et al, 2012;Parke, 2000) and bacteria (Nion and Toyota, 2008). Although it is not clear its role, the fact that Burkholderia was mostly isolated from symptomless and S1-like symptom bearing palms suggests it as a candidate to further assess as a possible biocontrol against the CILY phytoplasma.…”

Section: Discussionmentioning

confidence: 99%

Microbial diversity in leaves, trunk and rhizosphere of coconut palms (Cocos nucifera L.) associated with the coconut lethal yellowing phytoplasma in Grand-Lahou, Cte dIvoire

Morales-Lizcano¹,

Hasan²,

To³

et al. 2017

Afr. J. Biotechnol.

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The diversity of culturable bacterial and fungal communities was assessed from leaves, trunk and rhizosphere of coconut palms infected and non-infected by the Côte d'Ivoire lethal yellowing (CILY) phytoplasma. Bacterial and fungal microbes were isolated from leaves, trunk and rhizosphere samples collected from two villages of Grand-Lahou, Braffedon and Yaokro, by using a high-throughput 'dilution-to-extinction' cultivation method coupled with PCR and sequencing with primers that amplified both the 16S ribosomal RNA and intergenic transcribed spacer (ITS) genes. The relative abundance was higher for Bacillus and Candida in Braffedon, and Burkholderia and Neodeightonia in Yaokro. Commonly genera identified from rhizosphere included Bacillus, Burkholderia, Pseudomonas, Streptomyces, Cryptococcus, Penicillium, Purpureocillium and Trichoderma. The most abundant endophytes identified were Pantoea, Candida, Cryptococcus, Bacillus, Pseudomonas, Penicillium, Aspergillus and Rhodotorula. Genera limited to symptomless palms included Arthrininum, Chaetomium, Phialemonium, Fusarium, Klebsiella and Candida. Results indicate that the CILY phytoplasma may be a factor determining the level of diversity of a microbial community in a given location. Our research provides the basis to investigate the possible effect of endophytic and rhizosphere microbes against the CILY phytoplasma to further effectively improve the management of CILY in Grand-Lahou.

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Section: Discussionmentioning

confidence: 99%

Microbial diversity in leaves, trunk and rhizosphere of coconut palms (Cocos nucifera L.) associated with the coconut lethal yellowing phytoplasma in Grand-Lahou, Cte dIvoire

Morales-Lizcano¹,

Hasan²,

To³

et al. 2017

Afr. J. Biotechnol.

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“…Most plant diseases are caused by phytopathogenic fungi (13,20,22). Similar to other filamentous fungi, phytopathogenic fungi contain chitin as the main component of their cell walls.…”

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confidence: 99%

Diversity of Culturable Chitinolytic Bacteria from Rhizospheres of Agronomic Plants in Japan

et al. 2011

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A total of 100 isolates of chitinolytic bacteria were obtained from the rhizospheres of various agronomic plants, and the 16S rRNA gene sequences of these isolates were determined. Phylogenetic analyses revealed that 81 isolates belonged to the classes Betaproteobacteria (39 isolates) and Gammaproteobacteria (42 isolates). Of the remaining 19 isolates, 16 belonged to the phylum Firmicutes. Clustering analysis identified 6 and 3 operational taxonomic units (OTUs) in Gammaproteobacteria and Betaproteobacteria, respectively, at the genus level. The majority of chitinolytic bacteria in Gammaproteobacteria belonged to the genera Serratia, Stenotrophomonas, and Lysobacter (14, 15, and 7 isolates, respectively) while those in Betaproteobacteria belonged to the genus Mitsuaria (37 isolates). The 16 isolates placed in Firmicutes belonged to 2 genera, Paenibacillus and Bacillus (8 isolates each). The isolates in the remaining OTUs belonged to the genera Erwinia, Aeromonas, Pseudomonas, Achromobacter, Flavobacterium, and Microbacterium, in less abundance. These results showed a wide distribution of culturable chitinolytic bacteria in the rhizospheres of various agronomic plants. Considering the potential antagonistic activity of chitinolytic enzymes against phytopathogenic fungi, which is exhibited by fungal cell wall degradation, the above-mentioned native chitinolytic bacteria in rhizospheres could potentially be utilized for the biological control of soil-borne phytopathogenic fungi.

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“…against Escherichia coli O157:H7 ATCC43895 (40). Similarly, the improved efficacy of B. nodosa G5.2rif1 in combination with sucrose for the control of TBW was confirmed by Nion and Toyota (28). Disease suppression was attributed to the efficient utilization of sucrose and consequent increase in the population of the biocontrol agent, B. nodosa G5.2rif1.…”

Section: Discussionmentioning

confidence: 76%

“…Disease infection was recorded using the disease index described above. The quality of harvested matured tomato fruits was measured following the method by Nion and Toyota (28). The set up was laid out in a completely randomized manner with each treatment consisting of six pots with 1 plant per pot.…”

Section: Greenhouse Trialmentioning

confidence: 99%

“…In relation to the control of TBW, this was demonstrated by the amendment of composted organic manure (17) and the incorporation of air-dried cruciferous residues (31) that probably contributed to the improvement of soil biomass and enhanced activity of specific antagonists. Burkholderia nodosa G5.2rif1 also exhibited a significantly higher and more stable suppression of TBW when applied in combination with sucrose (28). Several studies leading to the biocontrol of soilborne diseases have identified the rhizosphere as a biologically active zone (9) and the successful rhizoplane or root colonization by antagonists are the vital factors influencing disease suppression (25,49).…”

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confidence: 99%

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Mechanism of Tomato Bacterial Wilt Suppression in Soil Amended with Lysine

Posas

Toyota

2010

Microb. Environ.

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The effect of four amino acids, unutilizable by Ralstonia solanacearum, on tomato bacterial wilt (TBW) was tested in three Japanese soils. Results confirmed our previous findings that the addition (2.5 mg g −1 soil) of lysine and serine suppressed TBW, but that of tyrosine and valine did not. The number of the pathogen in non-rhizosphere soil, rhizosphere soil and the rhizoplane was markedly lower in the lysine and serine treatments than in the tyrosine and valine treatments, while the opposite result was obtained for the total bacterial population. Substrate-induced respiration analysis revealed that bacteria became more predominant in the amino acid treatments, especially in lysine. There were no apparent correlations between the microbial activities in soil and the disease index. PCR-DGGE targeting the 16S rRNA gene of the rhizoplane samples from lysine-added Nagoya, Fuchu and Iwate soils revealed 10, 1 and 2 unique bands, respectively, indicating shifts in bacterial community. DGGE patterns in the suppressive treatments belonged to the same cluster while the not suppressive treatments clustered differently. The lower disease incidence of TBW following lysine treatment is likely related to a specific bacterial community in the rhizoplane that developed on the addition of lysine.

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Suppression of Bacterial Wilt and Fusarium Wilt by a <i>Burkholderia nodosa</i> Strain Isolated from Kalimantan Soils, Indonesia

Cited by 21 publications

References 32 publications

Microbial diversity in leaves, trunk and rhizosphere of coconut palms (Cocos nucifera L.) associated with the coconut lethal yellowing phytoplasma in Grand-Lahou, Cte dIvoire

Microbial diversity in leaves, trunk and rhizosphere of coconut palms (Cocos nucifera L.) associated with the coconut lethal yellowing phytoplasma in Grand-Lahou, Cte dIvoire

Diversity of Culturable Chitinolytic Bacteria from Rhizospheres of Agronomic Plants in Japan

Mechanism of Tomato Bacterial Wilt Suppression in Soil Amended with Lysine

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