Bacterial Microbiome and Nematode Occurrence in Different Potato Agricultural Soils

Microbial Ecology
Juan D CastilloDaniel K Manter

Abstract

Pratylenchus neglectus and Meloidogyne chitwoodi are the main plant-parasitic nematodes in potato crops of the San Luis Valley, Colorado. Bacterial microbiome (16S rRNA copies per gram of soil) and nematode communities (nematodes per 200 g of soil) from five different potato farms were analyzed to determine negative and positive correlations between any bacterial genus and P. neglectus and M. chitwoodi. Farms showed differences in bacterial communities, percentage of bacterivorous and fungivorous nematodes, and numbers of P. neglectus and M. chitwoodi. The farm with the lowest population of P. neglectus and M. chitwoodi had higher abundances of the bacterial genera Bacillus spp., Arthrobacter spp., and Lysobacter spp., and the soil nematode community was composed of more than 30% of fungivorous nematodes. In contrast, the farm with higher numbers of P. neglectus and M. chitwoodi had a lower abundance of the abovementioned bacterial genera, higher abundance of Burkholderia spp., and less than 25% of fungivorous nematodes. The α-Proteobacteria Rhodoplanes, Phenylobacterium, and Kaistobacter positively correlated with M. chitwoodi, and the Bacteroidia and γ-Proteobacteria positively correlated with P. neglectus. Our results, based...Continue Reading

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Citations

Sep 4, 2018·Frontiers in Plant Science·Chrysi SergakiPatrick Schäfer
Mar 19, 2020·Frontiers in Microbiology·Olivera TopalovićHolger Heuer
Aug 29, 2018·Annual Review of Phytopathology·Amanda M V Brown
Mar 17, 2020·Frontiers in Plant Science·Araceli LamelasGloria Carrión
Aug 14, 2020·Nature Reviews. Microbiology·Pankaj TrivediBrajesh K Singh
Jun 25, 2021·Trends in Parasitology·Olivera Topalović, Mette Vestergård

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Methods Mentioned

BETA
PCR
PCA

Software Mentioned

myPhyloDB
R package FactoMineR
R
R package WGCNA
SAS

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