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  • Medicago truncatula  (1)
  • fababean  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Influence of genes determining supernodulation on root colonization by the mycorrhizal fungus Glomus mosseae in Pisum sativum and Medicago truncatula mutants (2000)
    Springer
    Mycorrhiza 10 (2000), S. 37-42 
    Details
    ISSN: 1432-1890
    Keywords: Pisum sativum ; Medicago truncatula ; Mycorrhizal colonization ; Supernodulating mutants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Pisum sativum (pea) mutants of the wild type cv. Frisson and six supernodulating Medicago truncatula mutants of the wild-type cv. Jemalong line J5 for their ability to form endomycorrhizas. The six mutants of M. truncatula were shown to be allelic mutants of the same gene Mtsym12, whereas distinct genes (sym28 and sym29) are known to determine the supernodulation character of the P64 and P88 pea mutants, respectively. Mutant P88 of pea and the majority of the M. truncatula mutants were significantly more colonized by the mycorrhizal fungus Glomus mosseae than their corresponding wild types, 4 weeks and 30 days after inoculation, respectively. These differences were expressed essentially in transversal intensity rather than in length intensity of root colonization and appeared to correspond to an increase in arbuscule formation. Results are discussed in relation to the mutated genes and, in particular, whether the observed effects are due indirectly to plant physiological modifications or are a direct result of possible common factors of regulation of nodulation and mycorrhizal development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005720050285
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  • 2
    Electronic Resource
    Electronic Resource
    Note on the presence of the sym-1 gene in Vicia faba hampering its symbiosis with Rhizobium leguminosarum (1986)
    Springer
    Euphytica 35 (1986), S. 61-64 
    Details
    ISSN: 1573-5060
    Keywords: Vicia faba ; fababean ; Rhizobium ; genetics ; plant mutant ; nitrogen fixation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A symbiotically defective mutant in Vicia faba is described. This character is controlled by a recessive gene named sym-1. Reciprocal graft experiments indicate that only the root system controls its expression. Depending on the strain of Rhizobium, the root phenotype can be either Fix+ Nod- or Nod-.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028541
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    Paper (German National Licenses)
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