Wild plant species growing closely connected in a subalpine meadow host distinct root-associated bacterial communities

PeerJ
Kristin AleklettMiranda Hart

Abstract

Plant roots are known to harbor large and diverse communities of bacteria. It has been suggested that plant identity can structure these root-associated communities, but few studies have specifically assessed how the composition of root microbiota varies within and between plant species growing under natural conditions. We assessed the community composition of endophytic and epiphytic bacteria through high throughput sequencing using 16S rDNA derived from root tissues collected from a population of a wild, clonal plant (Orange hawkweed-Pilosella aurantiaca) as well as two neighboring plant species (Oxeye daisy-Leucanthemum vulgare and Alsike clover-Trifolium hybridum). Our first goal was to determine if plant species growing in close proximity, under similar environmental conditions, still hosted unique root microbiota. Our results showed that plants of different species host distinct bacterial communities in their roots. In terms of community composition, Betaproteobacteria (especially the family Oxalobacteraceae) were found to dominate in the root microbiota of L. vulgare and T. hybridum samples, whereas the root microbiota of P. aurantiaca had a more heterogeneous distribution of bacterial abundances where Gammaproteobacteri...Continue Reading

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Citations

Mar 24, 2016·The New Phytologist·Andrew B MoyesA Carolin Frank
Oct 7, 2015·Frontiers in Microbiology·Alyssa A Carrell, Anna C Frank
Jul 14, 2016·Microbial Ecology·Milko A JorqueraMaría de La Luz Mora
Jan 18, 2017·Microbiome·Kyle HartmanKlaus Schlaeppi
Nov 22, 2016·Environmental Microbiology·Abdul SamadAngela Sessitsch
Aug 23, 2019·Phytopathology·Emily M T PadhiCarolyn M Slupsky
Mar 4, 2020·FEMS Microbiology Ecology·Maike RossmannRodrigo Mendes
Mar 20, 2019·FEMS Microbiology Ecology·Hui-Ling CuiYong-Guan Zhu
Jun 13, 2020·Frontiers in Microbiology·Andrea CavalieriOle Nybroe
Aug 18, 2018·Microbiome·Juan E Pérez-JaramilloJos M Raaijmakers
Oct 6, 2020·Frontiers in Microbiology·Olubukola Oluranti BabalolaAyansina S Ayangbenro
Sep 24, 2020·FEMS Microbiology Ecology·Tirza DonigerYosef Steinberger
Sep 11, 2021·Microbial Ecology·Marina L LaForgiaCassandra L Ettinger

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Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

PERMANOVA
Quantitative Insights Into Microbial Ecology ( QIIME )
PRIMER
PermDISP
Basic Local Alignment Search Tool ( BLAST )

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