caa a22 4500 477053408 CHVBK 20180405111343.0 cr unu---uuuuu 170330e19960701xx s 000 0 eng 10.1007/BF02173101 doi (NATIONALLICENCE)springer-10.1007/BF02173101 gaMS-1 [Elektronische Daten] A gametophytic male sterile mutant in maize [M. Sari-Gorla, S. Ferrario, M. Villa, M. Pè] 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. Springer-Verlag, 1996 Maize pollen nationallicence Male sterility nationallicence Microsporogenesis nationallicence Gametophytic gene expression nationallicence Sari-Gorla M. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut Ferrario S. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut Villa M. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut Pè M. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut Sexual Plant Reproduction Springer-Verlag 9/4(1996-07-01), 216-220 0934-0882 9:4<216 1996 9 497 https://doi.org/10.1007/BF02173101 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02173101 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sari-Gorla M. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut NATIONALLICENCE 700 1- Ferrario S. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut NATIONALLICENCE 700 1- Villa M. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut NATIONALLICENCE 700 1- Pè M. Department of Genetics and Microbiology, University of Milan, Via Celoria 26, I-20133, Milan, Italy aut NATIONALLICENCE 773 0- Sexual Plant Reproduction Springer-Verlag 9/4(1996-07-01), 216-220 0934-0882 9:4<216 1996 9 497 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer