<i>Rhizobium</i>strain, a banana (<i>Musa</i>spp.)-associated bacterium with a high potential as biofertilizer

Salvador-Figueroa, Miguel; Ruíz-Valdiviezo, Víctor Manuel; Rogel-Hernández, Marco Antonio; Gutiérrez-Miceli, Federico Antonio; Rincón-Molina, Clara Ivette; Dendoveen, L.; Rincón-Rosales, Reiner

doi:10.1080/01904167.2016.1143497

Cited by 3 publications

(2 citation statements)

References 36 publications

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“…[116] and Rhizobium spp. [117,118]. Furthermore, genome sequences and in vitro lab assays have revealed that these, and other close relatives of the common core, harbour genes and exhibit phenotypes that are associated with approaches to promote plant growth, enhance plant stress tolerance, and interact with other organisms [59,70,105,[118][119][120][121].…”

Section: Associations Of Core Taxa With Host Fitnessmentioning

confidence: 99%

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The core bacterial microbiome of banana (Musa spp.)

Birt

Pattison

Skarshewski

et al. 2022

Environmental Microbiome

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Background Bananas (Musa spp.) are a globally significant crop and are severely afflicted by diseases for which there are no effective chemical controls. Banana microbiomes may provide novel solutions to these constraints but are difficult to manage due to their high diversity and variability between locations. Hence ‘common core’ taxa, which are a subset of the microbiome that frequent all, or most, individuals of a host species, represent logical targets for the development of microbiome management approaches. Here, we first performed a pot experiment to characterise the effects of two factors that are likely to differ between farms (viz. edaphic conditions and host genotype) on bacterial diversity in bulk soil and seven plant compartments. From this experiment, we created shortlisted core ‘candidates’ that were then refined using a survey of 52 field-grown Musa spp. We confirmed the importance of the core through network analysis and by comparing the sequences of our core taxa with those reported in 22 previous studies. Results Diversity was found to differ between plant compartments and soils, but not genotypes. Therefore, we identified populations that were frequent across most plants irrespective of the soil in which they were grown. This led to the selection of 36 ‘common core’ bacteria, that represented 65–95% of the dominant taxa in field-grown plants and were identified as highly interconnected ‘hubs’ using network analysis – a characteristic shown to be indicative of microbes that influence host fitness in studies of other plants. Lastly, we demonstrated that the core taxa are closely related to banana-associated bacteria observed on five other continents. Conclusions Our study provides a robust list of common core bacterial taxa for Musa spp. Further research may now focus on how changes in the frequencies and activities of these most persistent taxa influence host fitness. Notably, for several of our core taxa, highly similar populations have already been isolated in previous studies and may be amenable to such experimentation. This contribution should help to accelerate the development of effective Musa spp. microbiome management practices.

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Section: Associations Of Core Taxa With Host Fitnessmentioning

confidence: 99%

“…Rhizobium spp. isolated from banana, for example, have been reported to produce the auxin phytohormone indole-3-acetic acid, fix nitrogen, and solubilise phosphate [118].…”

Section: Associations Of Core Taxa With Host Fitnessmentioning

confidence: 99%

The core bacterial microbiome of banana (Musa spp.)

Birt

Pattison

Skarshewski

et al. 2022

Environmental Microbiome

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Optimal growth and N use efficiency enhancements by growth-promoting rhizobacteria in seedlings banana under N2 deficiency

Moreira,

Cairo,

Nascimento

et al. 2023

Biocatalysis and Agricultural Biotechnology

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Effectiveness of Bacillus subtilis ANT01 and Rhizobium sp. 11B on the control of fusarium wilt in pineapple (Ananas comosus)

Adriano-Anaya,

Pardo-Girón,

Salvador-Adriano

et al. 2024

PeerJ

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Pineapple (Ananas comosus) is commonly infected by Fusarium oxysporum, causal agent of the fusarium wilt disease. Conventionally, growers use synthetic fungicides to control the disease, which lead to environmental pollution, hazardous effects on non-target organisms and risks on human health. The aim of this work was to assess the effectiveness of Bacillus subtilis ANT01 and Rhizobium sp. 11B to control fusarium wilt on pineapple plants. Four treatments derived from a complete factorial design were tested under field conditions. Treatments composed of B. subtilis ANT01 and the combination B. subtilis ANT01–Rhizobium sp. 11B decreased disease severity by 94.4% and 86.1%, respectively. On the other hand, the treatment prepared with Rhizobium sp. 11B alone showed a reduction of 75.0%. Size of leaves and nutritional condition (SPAD units) of the biocontrol agents-treated plants showed no statistical differences. Moreover, B. subtilis ANT01 decreased by 46% the initial soil population of F. oxysporum, while Rhizobium sp. 11B, B. subtilis ANT01 plus Rhizobium sp. 11B and control, showed a population reduction of 12.5%, 24.2% and 23.0%, respectively. These results make evident the potential of B. subtilis ANT01 as biocontrol agent of the pathogen under field conditions.

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Rhizobiumstrain, a banana (Musaspp.)-associated bacterium with a high potential as biofertilizer

Cited by 3 publications

References 36 publications

The core bacterial microbiome of banana (Musa spp.)

The core bacterial microbiome of banana (Musa spp.)

Optimal growth and N use efficiency enhancements by growth-promoting rhizobacteria in seedlings banana under N2 deficiency

Effectiveness of Bacillus subtilis ANT01 and Rhizobium sp. 11B on the control of fusarium wilt in pineapple (Ananas comosus)

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