Abstract:
:In anther development, tapetal cells take part in complex processes, including endomitosis and apoptosis (programmed cell death). The tapetum provides many of the proteins, lipids, polysaccharides and other molecules necessary for pollen development. Several transcription factors, including DYT1, TDF1, AMS, MS188 and MS1, have been reported to be essential for tapetum development and function in Arabidopsis thaliana. Here, we present a detailed cytological analysis of knockout mutants for these genes, along with an in situ RNA hybridization experiment and double mutant analysis showing that these transcription factors form a genetic pathway in tapetum development. DYT1, TDF1 and AMS function in early tapetum development, while MS188 and MS1 are important for late tapetum development. The genetic pathway revealed in this work facilitates further investigation of the function and molecular mechanisms of tapetum development in Arabidopsis.
journal_name
J Integr Plant Bioljournal_title
Journal of integrative plant biologyauthors
Zhu J,Lou Y,Xu X,Yang ZNdoi
10.1111/j.1744-7909.2011.01078.xsubject
Has Abstractpub_date
2011-11-01 00:00:00pages
892-900issue
11eissn
1672-9072issn
1744-7909journal_volume
53pub_type
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