Endophytic bacterial community composition in wheat (Triticum aestivum) is determined by plant tissue type, developmental stage and soil nutrient availability

Robinson, Rebekah J.; Fraaije, Bart A.; Clark, Ian M.; Jackson, Robert W.; Hirsch, P. R.; Mauchline, Tim H.

doi:10.1007/s11104-015-2495-4

Cited by 123 publications

(118 citation statements)

References 44 publications

(46 reference statements)

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“…This is only partly in line with a previous study showing that Pseudomonas, Rhizobium , and Bacillus were the most abundant genera in roots and shoots of sorghum21. Similar results were obtained by Robinson et al 7. who found that Pseudomonas and Bacillus dominated the endophyte community in wheat roots and leaves, respectively.…”

Section: Discussionsupporting

confidence: 91%

“…In total, 71 samples of the grass species L. perenne, D. glomerata , and F. rubra in two consecutive years were analyzed. Consistent with previous work72021, bacterial endophyte communities were dominated by five phyla. The genera Massilia, Pseudomonas , and Limnohabitans were predominant in the three grass species.…”

Section: Discussionsupporting

confidence: 91%

“…Recent research has shown that bacterial endophytic communities in plants within the Poaceae family are affected by fertilizer application789. In two previous studies, fertilizer application influenced the nitrogen-fixing (diazotrophic) bacterial community in maize roots and stems8 as well as in rice roots10.…”

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confidence: 99%

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Bacterial endophyte communities of three agricultural important grass species differ in their response towards management regimes

Wemheuer

Kaiser

Karlovský

et al. 2017

Sci Rep

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Endophytic bacteria are critical for plant growth and health. However, compositional and functional responses of bacterial endophyte communities towards agricultural practices are still poorly understood. Hence, we analyzed the influence of fertilizer application and mowing frequency on bacterial endophytes in three agriculturally important grass species. For this purpose, we examined bacterial endophytic communities in aerial plant parts of Dactylis glomerata L., Festuca rubra L., and Lolium perenne L. by pyrotag sequencing of bacterial 16S rRNA genes over two consecutive years. Although management regimes influenced endophyte communities, observed responses were grass species-specific. This might be attributed to several bacteria specifically associated with a single grass species. We further predicted functional profiles from obtained 16S rRNA data. These profiles revealed that predicted abundances of genes involved in plant growth promotion or nitrogen metabolism differed between grass species and between management regimes. Moreover, structural and functional community patterns showed no correlation to each other indicating that plant species-specific selection of endophytes is driven by functional rather than phylogenetic traits. The unique combination of 16S rRNA data and functional profiles provided a holistic picture of compositional and functional responses of bacterial endophytes in agricultural relevant grass species towards management practices.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 91%

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Bacterial endophyte communities of three agricultural important grass species differ in their response towards management regimes

Wemheuer

Kaiser

Karlovský

et al. 2017

Sci Rep

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“…The authors concluded that flooding may affect the assembly of endophytic fungi in rice roots, but rice cultivars, geographical locations and soil types could also be important. In another study, Robinson et al (2016) reported on of the role of tissue type, growth stage and soil fertilizers in shaping the root and leaf bacterial endophyte communities of winter wheat (Triticum aestivum cv. Hereward), demonstrating that the plant microbiome is shaped by a complex interplay between biotic and abiotic factors.…”

Section: Endophytes Microbiome and Extreme Conditionsmentioning

confidence: 99%

Editorial special issue: soil, plants and endophytes

et al. 2016

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“…Some studies have also assessed the effect of various factors, such as tissue type, plant developmental stage, and nutrient availability, on the diversity of communities (e.g., [68]). Evaluations of rhizospheric communities have followed the same pattern, reflecting highly specific conditions; therefore, no attempts to estimate the total number of endophytic or rhizospheric species that are present on the planet have been reported.…”

Section: Microbial Diversity: What Do We Have?mentioning

confidence: 99%

Microbial Diversity: The Gap between the Estimated and the Known

Vitorino

Bessa

2018

Diversity

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Abstract:The ecological and biotechnological services that microorganisms provide to the planet and human society highlight the need to understand and preserve microbial diversity, which is widely distributed, challenging the severity of certain environments. Cataloging this diversity has also challenged the methods that are currently used to isolate and grow microorganisms, because most of the microbiota that are present in environmental samples have been described as unculturable. Factors such as geographic isolation and host preference also hinder the assessment of microbial diversity. However, prejudiced historical practices, including the prioritization of some species of microorganisms merely because they cause diseases, have long shifted research on fungi and bacteria towards medically relevant microorganisms. Thus, most microorganisms that inhabit the planet are still unknown, as is the potential of these species. Current estimates allow us to predict that the diversity of microorganisms that are present in the various terrestrial ecosystems is enormous. However, understanding this diversity is a challenge for the future of microbial ecology research.

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Endophytic bacterial community composition in wheat (Triticum aestivum) is determined by plant tissue type, developmental stage and soil nutrient availability

Abstract: Reading's research outputs online Endophytic bacterial community composition in wheat (Triticum aestivum) is determined by plant tissue type, developmental stage and soil nutrient availability

Cited by 123 publications

References 44 publications

Bacterial endophyte communities of three agricultural important grass species differ in their response towards management regimes

Bacterial endophyte communities of three agricultural important grass species differ in their response towards management regimes

Editorial special issue: soil, plants and endophytes

Microbial Diversity: The Gap between the Estimated and the Known

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