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Metagenomic Insights of the Root Colonizing Microbiome Associated with Symptomatic and Non-Symptomatic Bananas in Fusarium Wilt Infected Fields

1
International Institute of Tropical Agriculture (IITA), Mikocheni B, Dar es Salaam-34441, Tanzania
2
Bioversity International, Willem De Croylaan 42, B-3001 Leuven, Belgium
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Laboratory of Tropical Crop Improvement, Division of Crop Biotechnics, KU Leuven, B-3001 Leuven, Belgium
4
International Institute of Tropical Agriculture. c/o The Nelson Mandela African Institution of Science and Technology (NM-AIST), P.O. Box 447, Arusha 23306, Tanzania
*
Author to whom correspondence should be addressed.
Plants 2020, 9(2), 263; https://doi.org/10.3390/plants9020263
Received: 23 December 2019 / Revised: 10 January 2020 / Accepted: 14 February 2020 / Published: 18 February 2020
(This article belongs to the Special Issue Fusarium spp. and Plants)
Plants tissues are colonized by diverse communities of microorganisms called endophytes. They are key determinants of plant production and health, for example by facilitating nutrient exchanges or limiting disease development. Endophytic communities of banana plants have not been studied until very recently, and their potential role in disease development has not been explored so far. Roots from symptomatic and non-symptomatic banana plants were sampled from fields infected by Fusarium oxysporum f.sp. cubense race 1. The goal was to compare the endophytic microbiota between symptomatic and non-symptomatic plants through high throughput sequencing of 16s rDNA and shotgun metagenome sequencing. The results revealed that the endophytic root microbiome in bananas is dominated by Proteobacteria and Bacteroidetes followed to a lesser extent by Actinobacteria. The development of disease greatly impacted the endophytic microbial communities. For example, Flavobacteriales abundance was correlated with symptom development. View Full-Text
Keywords: banana; microbial diversity; rhizosphere; metagenomics; Fusarium oxysporum banana; microbial diversity; rhizosphere; metagenomics; Fusarium oxysporum
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Kaushal, M.; Mahuku, G.; Swennen, R. Metagenomic Insights of the Root Colonizing Microbiome Associated with Symptomatic and Non-Symptomatic Bananas in Fusarium Wilt Infected Fields. Plants 2020, 9, 263.

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