ArticleScientific reports2017
Monitoring the colonization and infection of legume nodules by Micromonospora in co-inoculation experiments with rhizobia.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 43 citations in OpenAlex.
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- Genome and Compound Analysis of Sioxanthin-Producing Marine Actinobacterium Micromonospora sp. nov. Strain SH-82 Isolated from Sponge Scopalina hapalia.Current microbiology · 2024Article
- Back to the future: Using herbarium specimens to isolate nodule-associated bacteria.Ecology and evolution · 2024Article
- Role of Nodulation-Enhancing Rhizobacteria in the Promotion ofPlants (Basel, Switzerland) · 2022Article
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- Genome insights into the pharmaceutical and plant growth promoting features of the novel species Nocardia alni sp. nov.BMC genomics · 2022Article
- Vigna spp. Root-Nodules Harbor Potentially Pathogenic Fungi Controlled By Co-habiting Bacteria.Current microbiology · 2021Article
- Symbiotic nitrogen fixation and endophytic bacterial community structure in Bt-transgenic chickpea (Cicer arietinum L).Scientific reports · 2020Article
- Bryophytes Harbor Cultivable Actinobacteria With Plant Growth Promoting Potential.Frontiers in microbiology · 2020Article
- Genome-Based Taxonomic Classification of the PhylumFrontiers in microbiology · 2018Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The discovery that the actinobacterium Micromonospora inhabits nitrogen-fixing nodules raised questions as to its potential ecological role. The capacity of two Micromonospora strains to infect legumes other than their original host, Lupinus angustifolius, was investigated using Medicago and Trifolium as test plants. Compatible rhizobial strains were used for coinoculation of the plants because Micromonospora itself does not induce nodulation. Over 50% of nodules from each legume housed Micromonospora, and using 16S rRNA gene sequence identification, we verified that the reisolated strains corresponded to the microorganisms inoculated. Entry of the bacteria and colonization of the plant hosts were monitored using a GFP-tagged Lupac 08 mutant together with rhizobia, and by using immunogold labeling. Strain Lupac 08 was localized in plant tissues, confirming its capacity to enter and colonize all hosts. Based on studying three different plants, our results support a non-specific relationship between Micromonospora and legumes. Micromonospora Lupac 08, originally isolated from Lupinus re-enters root tissue, but only when coinoculated with the corresponding rhizobia. The ability of Micromonospora to infect and colonize different legume species and function as a potential plant-growth promoting bacterium is relevant because this microbe enhances the symbiosis without interfering with the host and its nodulating and nitrogen-fixing microbes.
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