Ultrastructure of Frankia isolated from three Chilean shrubs (Rhamnaceae)

Longeri, Luis; Abarzua, Mireya

doi:10.1007/978-94-009-0889-5_5

Cited by 11 publications

(7 citation statements)

References 21 publications

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“…The tissue organization of the nodule lobes and the distribution of the infected cells are similar to that in the root nodule of other members of the Rhamnaceae (Balboa et al 1988;Balboa 1989;Longeri and Abarzua 1989). The endosymbiont is restricted to specific regions of the root cortex that encircle the uninfected tissues (data not shown).…”

Section: Resultsmentioning

confidence: 76%

“…A similar arrangement of symbiotic vesicles seems to occur in Discaria and Elaeagnus nodules (Newcomb et al 1987, quoted in Newcomb andWood 1987). The septated, spherical symbiotic vesicles of T. trinervis are similar to those described in Alnus glutinosa (Gardner 1975); Discaria serratifolia and Retanilla ephedra (Longeri and Abarzua 1989); Talguenea quinquinervia (Balboa et al 1988) and Colletia hystrix Clos (Balboa 1989). However, septate vesicles have not been found in the genus Ceanothus, another member of .the family Rhamnaceae (Gardner 1975).…”

Section: Resultsmentioning

confidence: 80%

“…The hyphae (0.5-1.0 Fm in diameter) had septae like those of Frankia spp. described in other symbioses (Baker et al 1979;Berry and Torrey 1979;Balboa et al 1988;Longeri and Abarzua 1989). The septa are oriented perpendicular to the long axis of the hyphae and appear continuous with and similar in electron density to the hyphal cell wall (Fig.…”

Section: Resultsmentioning

confidence: 89%

“…Since the first isolation and cultivation of Frankia strain C p I l from Comptonia root nodules (Callaham et al 1978), the endosymbiont has been isolated from several other host species, such as Alnus (Baker et al 1979;Berry and Torrey 1979;Burggraaf et al 1981 ;Lalonde et al 1981;Benson 1982), Elaeagnus (Baker et al 1980;Lalonde et al 1981), Casuarina (Diem et al 1982;Diem and Dommergues 1983), Colletia (Gauthier et al 1984a;Caru et al 1990), Discaria (Longeri and Abarzua 1989) ' and Retanilla (Longeri and FIG. 1. Morphology of the root nodule of T. trinervis collected Abarzua 1989).…”

Section: Zzelmentioning

confidence: 97%

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Isolation of Frankia from nodules of Trevoa trinervis: ultrastructural characterization

Carrasco¹,

Schwencke²,

Carú³

1992

Can. J. Microbiol.

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CARRASCO, A., SCHWENCKE, J., and CARU, M. 1992. Isolation of Frankia from nodules of Trevoa trinervis: ultrastructural characterization. Can. J. Microbiol. 38: 174-180. Root nodules obtained from Trevoa trinervis and its actinomycete Frankia were studied by electron microscopy. The microsymbiont was found in the cortical cells and it exhibits the typical actinomycetal structures: septate hyphae and symbiotic vesicles. Using the double-layer technique, two Frankia strains were isolated from the nodules. In vitro these strains exhibit morphological characteristics considered specific to the genus Frankia, i.e., hyphae, Frankia vesicles, and polymorphic sporangia. CARRASCO, A., SCHWENCKE, J., et CARU, M. 1992. Isolation of Frankia from nodules of Trevoa trinervis: ultrastructural characterization. Can. J. Microbiol. 38 : 174-1 80. Les nodules radiculaires obtenu de Trevoa trinervis et son actinomycete Frankia ont Ct C CtudiCes par microscopie Clectronique. Le microsymbiote Ctait trouvC dans les cellules corticales et on exhibe le plus typique actinomycetal structures : des hyphes et des vesicules symbiotiques. En utilisant la technique de double-plaque, on a is016 deux souches d'actinomyckte a partir des nodules. Des souches sont considerkes comme appartenant au genre Frankia puisqu'elles posskdent les caractkres morphologiques propres a ce genre : des Frankia hyphes, des vCsicules et des sporanges polymorphes.

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Section: Resultsmentioning

confidence: 76%

Section: Resultsmentioning

confidence: 80%

Section: Resultsmentioning

confidence: 89%

Section: Zzelmentioning

confidence: 97%

See 2 more Smart Citations

Isolation of Frankia from nodules of Trevoa trinervis: ultrastructural characterization

Carrasco¹,

Schwencke²,

Carú³

1992

Can. J. Microbiol.

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“…Both species are shrubs or small trees that inhabit regions of the Pampa and Patagonia in Argentina. There have been no reports to date on the occurrence of sporangia in the genus Discaria, nor in the other members of the tribe Colletiaea (Rhamnaceae) (Balboa et al, 1988;Bond and Becking, 1982;Gauthier et al, 1984;Hall and Parsons, 1987;Longeri and Abarzua, 1989;Tortosa, 1976, 1981;Morrison and Harris, 1958).…”

Section: Introductionmentioning

confidence: 99%

Presence of sporangia of Frankia in the rhizosphere of Discaria (Rhamnaceae)

Cusato

Tortosa

1993

Plant Soil

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Discaria trinerv& and D&caria americana are native actinorhizal plants in Argentina. D&caria seedlings growing in N-flee liquid culture, inoculated with dry soils, developed Frankia colonies in the rhizosphere. The occurrence of hyphae, vesicles and sporangia characteristic of Frankia are described in these colonies. The presence of sporangia of Frankia has previously neither been reported in the genus Discaria, nor in the other genera of the tribe Colletieae inside root nodules or outside roots. The infective capacity of the colonies has been demonstrated.

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Cyclopeptide Alkaloids from Discaria chacaye (Rhamnaceae) as Result of Symbiosis with Frankia (Actinomycetales)

Alarcón‐Enos

Quiroz-Carreño

Muñoz-Núñez

et al. 2022

Chemistry & Biodiversity

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Cyclopeptide alkaloids with different biological activities are present in plants of the family Rhamnaceae. Plants of this family grow in a symbiotic relationship with aerobic Gram-positive actinomycetes belonging to the genus Frankia. This goal of this research was a study of the comparative profile of alkaloids present in Discaria chacaye and to establish a connection between the presence or absence of Frankia sp. and the alkaloids. In addition, insecticidal activities of the alkaloidal extract were examined. A total of 24 alkaloids were identified, of which 12 have a benzylisoquinoline skeleton, 9 were cyclopeptides, 2 isoquinolines, and 1 aporphine. The presence of cyclopeptide alkaloids is associated with Frankia nodules in the plant root. The alkaloid extracts showed insecticidal activity with mortality dose-dependence and LD 50 values between 44 to 71 μg/mL.

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Ultrastructure of Frankia isolated from three Chilean shrubs (Rhamnaceae)

Cited by 11 publications

References 21 publications

Isolation of Frankia from nodules of Trevoa trinervis: ultrastructural characterization

Isolation of Frankia from nodules of Trevoa trinervis: ultrastructural characterization

Presence of sporangia of Frankia in the rhizosphere of Discaria (Rhamnaceae)

Cyclopeptide Alkaloids from Discaria chacaye (Rhamnaceae) as Result of Symbiosis with Frankia (Actinomycetales)

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