Academic literature on the topic 'Alnus-Frankia symbiosis'

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Journal articles on the topic "Alnus-Frankia symbiosis"

1

Anne-Emmanuelle, Hay, Boubakri Hasna, Buonomo Antoine, et al. "Control of Endophytic Frankia Sporulation by Alnus Nodule Metabolites." Molecular Plant-Microbe Interactions® 30, no. 3 (2017): 205–14. http://dx.doi.org/10.1094/mpmi-11-16-0235-r.

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A unique case of microbial symbiont capable of dormancy within its living host cells has been reported in actinorhizal symbioses. Some Frankia strains, named Sp+, are able to sporulate inside plant cells, contrarily to Sp− strains. The presence of metabolically slowed-down bacterial structures in host cells alters our understanding of symbiosis based on reciprocal benefits between both partners, and its impact on the symbiotic processes remains unknown. The present work reports a metabolomic study of Sp+ and Sp− nodules (from Alnus glutinosa), in order to highlight variabilities associated wit
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2

Markham, John H., and Chris P. Chanway. "Does past contact reduce the degree of mutualism in the Alnus rubra - Frankia symbiosis?" Canadian Journal of Botany 77, no. 3 (1999): 434–41. http://dx.doi.org/10.1139/b98-227.

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Although most vascular plants have symbiotic relationships with soil microbes, and there is an extensive theoretical literature on the evolution of mutualism, there has been little experimental examination of the evolution of mutualism between plants and their microbial symbionts. We inoculated red alder (Alnus rubra Bong.) seedlings from three high- and three low-elevation populations with crushed nodule suspensions containing the nitrogen fixing bacterium Frankia from either the parent trees (familiar strains) or the other plant population sampled within the parent watershed (unfamiliar stra
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3

Pujic, Petar, Nicole Alloisio, Guylaine Miotello, et al. "The Proteogenome of Symbiotic Frankia alni in Alnus glutinosa Nodules." Microorganisms 10, no. 3 (2022): 651. http://dx.doi.org/10.3390/microorganisms10030651.

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Omics are the most promising approaches to investigate microbes for which no genetic tools exist such as the nitrogen-fixing symbiotic Frankia. A proteogenomic analysis of symbiotic Frankia alni was done by comparing those proteins more and less abundant in Alnus glutinosa nodules relative to N2-fixing pure cultures with propionate as the carbon source. There were 250 proteins that were significantly overabundant in nodules at a fold change (FC) ≥ 2 threshold, and 1429 with the same characteristics in in vitro nitrogen-fixing pure culture. Nitrogenase, SuF (Fe–Su biogenesis) and hopanoid lipid
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Mastronunzio, J. E., Y. Huang, and D. R. Benson. "Diminished Exoproteome of Frankia spp. in Culture and Symbiosis." Applied and Environmental Microbiology 75, no. 21 (2009): 6721–28. http://dx.doi.org/10.1128/aem.01559-09.

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ABSTRACT Frankia species are the most geographically widespread gram-positive plant symbionts, carrying out N2 fixation in root nodules of trees and woody shrubs called actinorhizal plants. Taking advantage of the sequencing of three Frankia genomes, proteomics techniques were used to investigate the population of extracellular proteins (the exoproteome) from Frankia, some of which potentially mediate host-microbe interactions. Initial two-dimensional sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis of culture supernatants indicated that cytoplasmic proteins appeared in super
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5

Wall, Luis Gabriel, and Kerstin Huss-Danell. "Regulation of nodulation in Alnus incana-Frankia symbiosis." Physiologia Plantarum 99, no. 4 (1997): 594–600. http://dx.doi.org/10.1111/j.1399-3054.1997.tb05362.x.

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Wall, Luis Gabriel, and Kerstin Huss-Danell. "Regulation of nodulation in Alnus incana-Frankia symbiosis*." Physiologia Plantarum 99, no. 4 (1997): 594–600. http://dx.doi.org/10.1034/j.1399-3054.1997.990411.x.

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7

Gabbarini, Luciano Andrés, and Luis Gabriel Wall. "Diffusible factors involved in early interactions of actinorhizal symbiosis are modulated by the host plant but are not enough to break the host range barrier." Functional Plant Biology 38, no. 9 (2011): 671. http://dx.doi.org/10.1071/fp11003.

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Nodulation kinetics were analysed in two nitrogen-fixing actinorhizal symbioses that show different pathways for infection: Alnus acuminata H. B. K., which is infected by Frankia ArI3, and Discaria trinervis (Hooker et Arnot) Reiche, which is infected by Frankia BCU110501. Both pairs are incompatible in cross-inoculation experiments. The dose–response effects in nodulation were studied in A. acuminata seedlings using different concentrations of compatible and incompatible bacteria in co-inoculation experiments. Restriction fragment length polymorphism PCR analysis and plant-trapping analysis s
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8

Clawson, Michael L., Jeffrey Gawronski, and David R. Benson. "Dominance ofFrankiastrains in stands ofAlnus incanasubsp.rugosaandMyrica pensylvanica." Canadian Journal of Botany 77, no. 9 (1999): 1203–7. http://dx.doi.org/10.1139/b99-070.

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To address issues of dominance and diversity of Frankia spp. strains, we sequenced 16S rRNA genes from root nodules and strains collected from Alnus incana subsp. rugosa (Du Roi) R.T. Clausen and Myrica pensylvanica Loisel. stands. Of 22 strains isolated previously from A. incana, 16 had the same partial rDNA sequence; the remaining 6 strains composed five additional groups. The groups identified by 16S rDNA analysis corresponded to phenotypic groups established previously by one- and two-dimensional polyacrylamide gel analysis, colony and hyphal morphology, and carbon source utilization patte
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9

Alloisio, Nicole, Clothilde Queiroux, Pascale Fournier, et al. "The Frankia alni Symbiotic Transcriptome." Molecular Plant-Microbe Interactions® 23, no. 5 (2010): 593–607. http://dx.doi.org/10.1094/mpmi-23-5-0593.

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The actinobacteria Frankia spp. are able to induce the formation of nodules on the roots of a large spectrum of actinorhizal plants, where they convert dinitrogen to ammonia in exchange for plant photosynthates. In the present study, transcriptional analyses were performed on nitrogen-replete free-living Frankia alni cells and on Alnus glutinosa nodule bacteria, using whole-genome microarrays. Distribution of nodule-induced genes on the genome was found to be mostly over regions with high synteny between three Frankia spp. genomes, while nodule-repressed genes, which were mostly hypothetical a
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10

Gabbarini, Luciano Andrés, and Luis Gabriel Wall. "Diffusible factors from Frankia modify nodulation kinetics in Discaria trinervis, an intercellular root-infected actinorhizal symbiosis." Functional Plant Biology 38, no. 9 (2011): 662. http://dx.doi.org/10.1071/fp11015.

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Frankia BCU110501 induces nitrogen-fixing root nodules in Discaria trinervis (Gillies ex Hook. & Arn.) Reiche (Rhamnaceae) via intercellular colonisation, without root hair deformation. It produces diffusible factors (DFs) that might be involved in early interactions with the D. trinervis roots, playing a role in the nodulation process. The induction of root nodule development in actinorhizal symbiosis would depend on the concentration of factors produced by the bacteria and the plant. A detailed analysis of nodulation kinetics revealed that these DFs produce changes at the level of initia
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