Ecology and Physiology of Non-Frankia Actinobacteria from Actinorhizal Plants

Ghodhbane‐Gtari, Faten; Tisa, Louis S.

doi:10.1007/978-1-4614-9203-0_2

Cited by 13 publications

(12 citation statements)

References 38 publications

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“…Besides Frankia , several other non- Frankia bacteria have been isolated as a by-product of Frankia isolation attempts ( Ghodhbane-Gtari and Tisa, 2014 ). Large numbers of other bacteria were collected from these actinorhizal nodules, occupying the same microniche as Frankia .…”

Section: Introductionmentioning

confidence: 99%

Alone Yet Not Alone: Frankia Lives Under the Same Roof With Other Bacteria in Actinorhizal Nodules

et al. 2021

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Actinorhizal plants host mutualistic symbionts of the nitrogen-fixing actinobacterial genus Frankia within nodule structures formed on their roots. Several plant-growth-promoting bacteria have also been isolated from actinorhizal root nodules, but little is known about them. We were interested investigating the in planta microbial community composition of actinorhizal root nodules using culture-independent techniques. To address this knowledge gap, 16S rRNA gene amplicon and shotgun metagenomic sequencing was performed on DNA from the nodules of Casuarina glauca. DNA was extracted from C. glauca nodules collected in three different sampling sites in Tunisia, along a gradient of aridity ranging from humid to arid. Sequencing libraries were prepared using Illumina NextEra technology and the Illumina HiSeq 2500 platform. Genome bins extracted from the metagenome were taxonomically and functionally profiled. Community structure based off preliminary 16S rRNA gene amplicon data was analyzed via the QIIME pipeline. Reconstructed genomes were comprised of members of Frankia, Micromonospora, Bacillus, Paenibacillus, Phyllobacterium, and Afipia. Frankia dominated the nodule community at the humid sampling site, while the absolute and relative prevalence of Frankia decreased at the semi-arid and arid sampling locations. Actinorhizal plants harbor similar non-Frankia plant-growth-promoting-bacteria as legumes and other plants. The data suggests that the prevalence of Frankia in the nodule community is influenced by environmental factors, with being less abundant under more arid environments.

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Section: Introductionmentioning

confidence: 99%

Alone Yet Not Alone: Frankia Lives Under the Same Roof With Other Bacteria in Actinorhizal Nodules

et al. 2021

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“…[ 7 – 9 ]). The potential role of the Nocardia endophyte has been postulated, especially in the case of actinorhizal symbiosis ( 5 , 10 ). To the best of our knowledge, these plant-associated Nocardia spp.…”

Section: Genome Announcementmentioning

confidence: 99%

Permanent Improved High-Quality Draft Genome Sequence of Nocardia casuarinae Strain BMG51109, an Endophyte of Actinorhizal Root Nodules of Casuarina glauca

et al. 2016

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“…Many non -Frankia actinobacteria have been isolated from actinorhizal root nodules, occupying the same microniche as Frankia ( 2 – 14 ). These non- Frankia actinobacteria appear to have functional roles including plant growth-promoting activity ( 4 ). As early as 1981, Nocardia species were found associated with actinorhizal nodules ( 7 , 8 ).…”

Section: Genome Announcementmentioning

confidence: 99%

Permanent Draft Genome Sequence of Nocardia sp. BMG111209, an Actinobacterium Isolated from Nodules of Casuarina glauca

et al. 2016

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Ecology and Physiology of Non-Frankia Actinobacteria from Actinorhizal Plants

Cited by 13 publications

References 38 publications

Alone Yet Not Alone: Frankia Lives Under the Same Roof With Other Bacteria in Actinorhizal Nodules

Alone Yet Not Alone: Frankia Lives Under the Same Roof With Other Bacteria in Actinorhizal Nodules

Permanent Improved High-Quality Draft Genome Sequence of Nocardia casuarinae Strain BMG51109, an Endophyte of Actinorhizal Root Nodules of Casuarina glauca

Permanent Draft Genome Sequence of Nocardia sp. BMG111209, an Actinobacterium Isolated from Nodules of Casuarina glauca

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