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  • Pantothenic acid  (2)
  • RFLP  (2)
  • Springer  (4)
  • International Union of Crystallography (IUCr)
  • 1995-1999  (4)
  • 1996  (4)
Collection
Keywords
Publisher
  • Springer  (4)
  • International Union of Crystallography (IUCr)
Years
  • 1995-1999  (4)
Year
  • 1996  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Production of pantothenic acid and thiamine by Azotobacter vinelandii in a chemically defined medium and a dialysed soil medium (1996)
    Springer
    Biology and fertility of soils 22 (1996), S. 131-135 
    Details
    ISSN: 1432-0789
    Keywords: Azotobacter vinelandii ; Pantothenic acid ; Thiamine ; Vitamin production
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The production of pantothenic acid and thiamine by Azotobacter vinelandii was studied in a chemically defined medium and a dialysed soil medium amended with different amounts of carbohydrate and NH inf4 sup+ . Pantothenic acid and thiamine were produced in large amounts in the culture medium containing 2.0–5.0% glucose and 0.1–0.3% NH4Cl. The results showed that the liberation of these vitamins was increased under adiazotrophic conditions and with an excess of C source. Group of Environmental Microbiology, Department of Microbiology, Faculty of Pharmacy and Institute of Water Research, University of Granada, 18071 Granada, Spain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384444
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Production of pantothenic acid and thiamine by Azotobacter vinelandii in a chemically defined medium and a dialysed soil medium (1996)
    Springer
    Biology and fertility of soils 22 (1996), S. 131-135 
    Details
    ISSN: 1432-0789
    Keywords: Key wordsAzotobacter vinelandii ; Pantothenic acid ; Thiamine ; Vitamin production
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The production of pantothenic acid and thiamine by Azotobacter vinelandii was studied in a chemically defined medium and a dialysed soil medium amended with different amounts of carbohydrate and NH4 +. Pantothenic acid and thiamine were produced in large amounts in the culture medium containing 2.0–5.0% glucose and 0.1–0.3% NH4Cl. The results showed that the liberation of these vitamins was increased under adiazotrophic conditions and with an excess of C source. Group of Environmental Microbiology, Department of Microbiology, Faculty of Pharmacy and Institute of Water Research, University of Granada, 18071 Granada, Spain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384444
    Location Call Number Expected Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Non-Mendelian and skewed segregation of DNA markers in wide crosses of the bean rust fungus,Uromyces appendiculatus (1996)
    Springer
    Current genetics 29 (1996), S. 159-167 
    Details
    ISSN: 1432-0983
    Keywords: Genetic linkage mapping ; Segregation distortion ; RAPD ; RFLP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The inheritance of DNA markers was investigated in 27 F2 progeny from a single F1 hybrid derived from a wide cross inUromyces appendiculatus. This cross was unusual because asexual spores were used to fertilize sexual fruiting structures. Sixty percent of the DNA markers failed to segregate according to simple Mendelian ratios. Segregation bias was evident, in that F2 progeny inherited on average 91 % of maternal bands and 52% of paternal bands, which deviates significantly from the expected value for each of 75% for dominant markers. Because of these distortions, linkage mapping was not possible with this population. Evaluation of two F1s from a second wide cross, reciprocals obtained by normal fertilization, also showed non-Mendelian inheritance of one of three co-dominant RFLPs and five of six isozyme markers, indicating that the method of crossing was probably not responsible for the abnormal segregation patterns in the first cross. Either genetic incompatibility, similar to that of an interspecific cross, or selection of particular genotypes could explain the genetic anomalies reported here.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02221580
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Non-Mendelian and skewed segregation of DNA markers in wide crosses of the bean rust fungus, Uromyces appendiculatus (1996)
    Springer
    Current genetics 29 (1996), S. 159-167 
    Details
    ISSN: 1432-0983
    Keywords: Key words Genetic linkage mapping ; Segregation distortion ; RAPD ; RFLP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The inheritance of DNA markers was investigated in 27 F2 progeny from a single F1 hybrid derived from a wide cross in Uromyces appendiculatus. This cross was unusual because asexual spores were used to fertilize sexual fruiting structures. Sixty percent of the DNA markers failed to segregate according to simple Mendelian ratios. Segregation bias was evident, in that F2 progeny inherited on average 91% of maternal bands and 52% of paternal bands, which deviates significantly from the expected value for each of 75% for dominant markers. Because of these distortions, linkage mapping was not possible with this population. Evaluation of two F1s from a second wide cross, reciprocals obtained by normal fertilization, also showed non-Mendelian inheritance of one of three co-dominant RFLPs and five of six isozyme markers, indicating that the method of crossing was probably not responsible for the abnormal segregation patterns in the first cross. Either genetic incompatibility, similar to that of an interspecific cross, or selection of particular genotypes could explain the genetic anomalies reported here.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002940050031
    Location Call Number Expected Availability
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    Paper (German National Licenses)
    Fulltext
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