Genetic control of male fertility in Arabidopsis thaliana : structural analysis of premeiotic developmental mutants

Chaudhury, A. M., Craig, S., Dennis, E. S., Lavithis, M., Taylor, P. E., Singh, M. B., Knox, R. B. and Signer, E. R. 1994, Genetic control of male fertility in Arabidopsis thaliana : structural analysis of premeiotic developmental mutants, Sexual plant reproduction, vol. 7, no. 1, pp. 17-28.

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Title Genetic control of male fertility in Arabidopsis thaliana : structural analysis of premeiotic developmental mutants
Formatted title Genetic control of male fertility in Arabidopsis thaliana : structural analysis of premeiotic developmental mutants
Author(s) Chaudhury, A. M.
Craig, S.
Dennis, E. S.
Lavithis, M.
Taylor, P. E.
Singh, M. B.
Knox, R. B.
Signer, E. R.
Journal name Sexual plant reproduction
Volume number 7
Issue number 1
Start page 17
End page 28
Publisher Springer
Place of publication Heidelberg, Germany
Publication date 1994-01
ISSN 0934-0882
1432-2145
Keyword(s) male-sterile mutants
microsporogenesis
arabidopsis pollen development
Summary We have taken a mutational approach to identify genes important for male fertility in Arabidopsis thaliana and have isolated a number of nuclear male/ sterile mutants in which vegetative growth and female fertility are not altered. Here we describe detailed developmental analyses of four mutants, each of which defines a complementation group and has a distinct developmental end point. All four mutants represent premeiotic developmental lesions. In ms3, tapetum and middle layer hypertrophy result in the degeneration of microsporocytes. In ms4, microspore dyads persist for most of anther development as a result of impaired meiotic division. In ms5, degeneration occurs in all anther cells at an early stage of development. In ms15, both the tapetum and microsporocytes degenerate early in anther development. Each of these mutants had shorter filaments and a greater number of inflorescences than congenic male-fertile plants. The differences in the developmental phenotypes of these mutants, together with the non-allelic nature of the mutations indicate that four different genes important for pollen development, have been identified.
Language eng
Field of Research 060199 Biochemistry and Cell Biology not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039898

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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