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  • 1995-1999  (3)
  • Gametophytic gene expression  (2)
  • Pollen competitive ability  (1)
  • Brush-border membrane vesicle
  • 1
    Electronic Resource
    Electronic Resource
    gaMS-1: a gametophytic male sterile mutant in maize (1996)
    Springer
    Sexual plant reproduction 9 (1996), S. 216-220 
    Details
    ISSN: 1432-2145
    Keywords: Key words Maize pollen ; Male sterility ; Microsporogenesis ; Gametophytic gene expression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Several pollen-specific genes from different species have been isolated and characterized at the molecular level, but the precise role of most of them is unknown. Mutant analysis represents a direct approach to uncovering gene function, but the paucity of available mutants affecting pollen development and/or function and the poor characterization of the known mutants have so far limited the exploitation of this approach. Here we present the cytological characterization of gametophytic male sterile-1 (gaMS-1), a maize mutant that we identified in a program of transposon insertion mutagenesis for the production of mutations in gametophytically acting genes involved in microsporogenesis. gaMS-1 is expressed during or immediately after the first microspore division and leads to the production of immature, non-functional pollen grains. The mutation appears to affect the events leading to the developmental switch that follows the first microspore mitosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004970050034
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    gaMS-1: A gametophytic male sterile mutant in maize (1996)
    Springer
    Sexual plant reproduction 9 (1996), S. 216-220 
    Details
    ISSN: 1432-2145
    Keywords: Maize pollen ; Male sterility ; Microsporogenesis ; Gametophytic gene expression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Several pollen-specific genes from different species have been isolated and characterized at the molecular level, but the precise role of most of them is unknown. Mutant analysis represents a direct approach to uncovering gene function, but the paucity of available mutants affecting pollen development and/or function and the poor characterization of the known mutants have so far limited the exploitation of this approach. Here we present the cytological characterization ofgametophytic male sterile-1 (gaMS-1), a maize mutant that we identified in a program of transposon insertion mutagenesis for the production of mutations in gametophytically acting genes involved in microsporogenesis.gaMS-1 is expressed during or immediately after the first microspore division and leads to the production of immature, nonfunctional pollen grains. The mutation appears to affect the events leading to the developmental switch that follows the first microspore mitosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02173101
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Pollen-pistil interaction in maize: effects on genetic variation of pollen traits (1995)
    Springer
    Theoretical and applied genetics 91 (1995), S. 936-940 
    Details
    ISSN: 1432-2242
    Keywords: Maize ; Zea mays L ; Pollen competitive ability ; Pollen germinability Pollen-tube growth ; Pollen-pistil interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Various factors (pollen diameter, in vitro germination and tube length, in vivo growth rate in selfed and nonselfed styles) which could possibly contribute to the competitive ability of pollen were investigated on 30 Zea mays L. inbred lines. The only factor with which pollen diameter was positively correlated was in vitro pollen-tube growth. Traits related to the early stages of growth (in vitro germination, in vitro tube length, early in vivo pollen growth rate) were all positively correlated with each other, and these early characteristics were negatively correlated with late in vivo tube growth rate, which is largely influenced by the stylar genotype.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00223903
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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