GLORIA

GEOMAR Library Ocean Research Information Access

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Genetics of the peroxidase isoenzymes in Petunia (1983)
    Springer
    Theoretical and applied genetics 66 (1983), S. 173-178 
    Details
    ISSN: 1432-2242
    Keywords: Petunia ; Peroxidase ; Differential allelic expression ; Internal and external site mutations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In Petunia four alleles of the gene prxB could be identified by starch gel electrophoresis. Investigation of PRXb allozyme balance during development of tissue and plant of prxB heterozygotes showed differential temporal expression of the four mobility alleles. Analysis of developmental allozyme balance of prxB2/B3 heterozygotes from F1 and F2 progenies indicated the presence of a trans-acting regulatory gene termed Rp1. Segregation for the gene Rp1 indicated monogenic inheritance. Independent segregation of the genes Rp1 and prxB was found. When homozygous and recessive, the gene Rp1 speeds up the start of expression in enzyme activity of the prxB2 allele. The alleles prxB1 and prxB4 are expressed later in development than the alleles prxB2 and prxB3, no matter the Rp1 genotype. The final expression level of the prxB alleles is different for all four alleles, irrespective of the Rp1 genotype.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00265194
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Genetics of the peroxidase isoenzymes in Petunia (1984)
    Springer
    Theoretical and applied genetics 68 (1984), S. 25-28 
    Details
    ISSN: 1432-2242
    Keywords: Petunia ; Peroxidase ; Differential temporal expression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Two alleles of the structural gene prxA from Petunia, prxA6 and prxA7, could be identified by their differential temporal expression. The alleles prxA6 and prxA7 code for peroxidases with a similar electrophoretic mobility as the products of the previously described alleles prxA1 and prxA5, respectively. The former two alleles differ in that they have a different temporal expression with regard to the temporal expression of the allele prxA2. Crossing experiments indicated that the mutations involved are (cisacting) internal site mutations. In the case of the allele prxA6, the experiments indicated a difference with respect to the allele prxA1 in responsiveness to the action of a trans-acting factor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00252306
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Genetics of the peroxidase isoenzymes in Petunia (1984)
    Springer
    Theoretical and applied genetics 68 (1984), S. 265-268 
    Details
    ISSN: 1432-2242
    Keywords: Petunia ; prxA alleles ; Specific peroxidase activities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Antibodies were raised against the peroxidases encoded by the allele prxA1 to determine the specific activities of the peroxidases encoded by the alleles prxA1, prxA2, prxA3, and prxA5. The results from double diffusion experiments indicated that all peroxidases encoded by the four alleles are antigenically identical. By rocket immuno electrophoresis it was shown that the peroxidases encoded by the alleles prxA1, prxA2, prxA3, and prxA5 have different specific activities. The results presented are discussed in relation to differential expression of the alleles involved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00266901
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Genetics of the peroxidase isoenzymes in Petunia (1983)
    Springer
    Theoretical and applied genetics 65 (1983), S. 1-8 
    Details
    ISSN: 1432-2242
    Keywords: Petunia ; Peroxidase ; Differential allelic expression ; Internal site mutations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In P. hybrida and the putative progenitor species P. axillaris s. l. and P. integrifolia s. l. five mobility alleles of the structural gene prxA were found. The five alleles show differential expression during development of tissue and plant, caused by internal site mutations. Analysis of young but not yet flowering plants heterozygous for prxA showed that the allele prxA3 is expressed first, followed by the alleles prxA2, prxA5, prxA4 and prxA1, in that order. In mature leaves of young flowering plants the prxA2 allele has the highest expression level, followed by the alleles prxA3, prxA5, prxA4 and prxA1. In mature and old leaves of old plants the expression level of the alleles prxA2, prxA3, prxA4 and prxA5 is about equal, whereas that of the prxA1 allele is about twice as high. Crossing experiments suggested that between the plants used no external site differences exist that cause clearly detectable changes in developmental allozyme balance. Fast moving anodic peroxidases were detected that have a variable mobility over a considerable distance. The probability that these enzymes are precursors of the PRXa enzymes is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00276254
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Genetics of the peroxidase isoenzymes in Petunia (1984)
    Springer
    Theoretical and applied genetics 68 (1984), S. 29-34 
    Details
    ISSN: 1432-2242
    Keywords: Petunia ; Peroxidase isoenzymes ; Flower corolla ; Root ; Gene localization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In root and flower corolla tissue of Petunia several anodic moving peroxidase isoenzymes are present, which cannot be detected in other organs. Alleles of the gene prxF control the presence or absence of several peroxidases that are only present in flower corolla tissue. Alleles of the gene prxG code for two peroxidases that can only be detected in root tissue. In addition to mutations of prxG that cause a change in the electrophoretic mobility of the PRXg enzymes, a mutation was also found that causes the absence of expression in enzyme activity. Crossing experiments indicated that this mutation is located in the gene prxG. Peroxidases encoded by the gene prxH were only found in root tissue. Two alleles of prxH were identified by electrophoretic variation; one allele is responsible for a single band, whereas the other allele could be recognized by a double-banded phenotype. The double-banded PRXh phenotype is suggested to be caused by tandem duplication, followed by mutation in one of the genes. A third prxH allele could be identified by the absence of PRXh activity. The genes prxF, prxG, and prxH were shown to be located on chromosome VII, with the following gene order: prxG-An4-lapB-gpiB-prxH-prxF.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00252307
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...