Genome Sequences of 42 Bacteria Isolated from Sorghum bicolor Roots

Pelletier, Dale A.; Li, Zhou; Lu, Tse-Yuan S.; Zhang, Li; Hu, Zhenbin; Morris, Geoffrey P.; Rio, Tijana Glavina del; Wang, Dongyu; Chen, Jay; Pan, Chongle

doi:10.1128/mra.00736-20

Cited by 3 publications

(3 citation statements)

References 10 publications

(10 reference statements)

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“…For example,Rhizobacter and Methylotenera microbes consistently enriched the apical zones of the EF genotype. Rhizobacter has been identified as a root endophytic bacteria in a diverse range of species (Pelletier et al, 2020), particularly in legumes (Hu et al, 2019;Brown et al, 2020), and was able to rescue growth inhibition induced by root-inhabiting fungi (Durán et al, 2018). The genusMethylotenera is a group of putative methylotrophic bacteria firmly interacting with plant growth as they are capable of utilizing one carbon source from the decomposition of the soil organic matter and the cell wall (Martin et al, 2020).…”

Section: Genetic Variation In Phenology Of Host Plants Characterised ...mentioning

confidence: 99%

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root

Zhou

Rabbi

Young

et al. 2022

Preprint

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The root tip of a plant is highly sensitive to environmental cues and exerts sensory, chemical and movement responses and has even been likened to an animal’s brain. Yet, the assemblage of microbes at the root tip, the control of their diversity, the nature of their recruitment to that particular volume, and their roles in plant phenotypic function, remain poorly understood. This study investigated longitudinal niche differentiation of the root-associated microbiome in chickpeas ( Cicer arietinum L.) and its interactions with both diverse soil types and host plants with genetic variation in phenology, from the exterior to the interior of the root. Compared with late flowering (LF) genotypes, endophyte microbiomes at the apical zone of the early flowering (EF) host were characterised by greater diversity, higher compositional similarity to the basal zone, and closely inhabiting Rhizobacter and Methylotenera across soils. Additionally, EF genotypes secreted a specific composition of metabolites from the apical zone, with more carboxylates and amino acids (especially propionic acid and benzoic acid) than the LF plant. Our findings demonstrate that longitudinal differentiation within a seedling root is an essential feature shaping the root microbiome and indicative of genetic variation in phenology of host plants.

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Section: Genetic Variation In Phenology Of Host Plants Characterised ...mentioning

confidence: 99%

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root

Zhou

Rabbi

Young

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

Section: Genetic Variation In Phenology Of Host Plants Characterised ...mentioning

confidence: 99%

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root after a short residence time

Zhou

Rabbi

Young

et al. 2022

Preprint

View full text Add to dashboard Cite

The root tip of a plant is highly sensitive to environmental cues and exerts sensory, chemical and movement responses and has even been likened to an animal’s brain. Yet, the assemblage of microbes at the root tip, the controls governing their diversity, the nature of their recruitment to that particular niche, and their roles in plant phenotypic function, remain poorly understood. This study investigated longitudinal niche differentiation of the root-associated microbiome in chickpeas ( Cicer arietinum L.) and its interactions with both diverse soil types and host plants with genetic variation in phenology, from the exterior to the interior of the root. Compared with late flowering (LF) genotypes, endophyte microbiomes at the apical zone of the early flowering (EF) host were characterised by greater diversity, higher compositional similarity to the basal zone, and closely inhabiting Rhizobacter and Methylotenera across soils. Additionally, EF genotype secreted a specific composition of metabolites from the apical zone, with more carboxylates (benzoic acid) and amino acids (propionic acid) than the LF plant. Our findings demonstrate that longitudinal differentiation within a seedling root is an essential feature shaping the root microbiome and indicative of genetic variation in phenology of host plants.

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“…Additionally, X. aminoxidans , like other Xanthobacter species, is capable of fixing N 2 under low-oxygen conditions ( 10 , 12 ). While some Xanthobacter strains have been sequenced ( 12 , 15 – 17 ), X. aminoxidans was still not sequenced, which led to the sequencing effort described below.…”

Section: Announcementmentioning

confidence: 99%

Draft Genome Sequence of Xanthobacter aminoxidans ATCC BAA-299 ^T

Siddiqui

Trudel

Goen

et al. 2022

Microbiol Resour Announc

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Xanthobacter aminoxidans is a Gram-negative pleomorphic and diazotrophic Knallgas bacillus that undergoes asymmetric budding of V-shaped branched cells during cell division. Like other Xanthobacter spp., cells are yellow from production of zeaxanthine dirhamnoside. We sequenced strain 14a T (= ATCC BAA-299 T ) and report a genome size of 5,829,486 bp with a G+C content of 67.9%.

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Genome Sequences of 42 Bacteria Isolated from Sorghum bicolor Roots

Cited by 3 publications

References 10 publications

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root after a short residence time

Draft Genome Sequence of Xanthobacter aminoxidans ATCC BAA-299 ^T

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Genome Sequences of 42 Bacteria Isolated from Sorghum bicolor Roots

Cited by 3 publications

References 10 publications

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root

Genetic variation in host plant phenology affects microbial assemblages at longitudinal niches of the seedling root after a short residence time

Draft Genome Sequence of Xanthobacter aminoxidans ATCC BAA-299 T

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Draft Genome Sequence of Xanthobacter aminoxidans ATCC BAA-299 ^T