Os12g0152500
The rice Os12g0152500 was reported as MIL2 in 2012 [1] by researchers from China.
Contents
Annotated Information
Figure 1. Phenotypic analysis of the microsporeless2 (mil2) mutant.[1].
Function
- MIL2 encodes the rice homolog of the Arabidopsis TAPETUM DETERMINANT1 (TPD1) protein.
- MICROSPORELESS2 (MIL2) regulates early anther cell differentiation in rice.
- MIL2 is responsible for the differentiation of primary parietal cells into secondary parietal cells in rice anthers, and suggest that rice and Arabidopsis anthers might share similar regulators in anther patterning, but divergent mechanisms are employed in these processes.
Phenotypic analysis
- The anthers of mil2 mutants were characterized using molecular markers and cytological examination. mil2 anthers display phenotypes different from those of tpd1 mutants, with only two layers of anther wall cells formed.
Expression
- MIL2 has an expression pattern distinct from that of TPD1. Its transcripts and proteins predominate in inner parietal cells, but show little accumulation in reproductive cells.
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Labs working on this gene
- State Key Laboratory of Plant Genomics and Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China;
- Biotechnology Research Institute/National Key Facility for Gene Resources and Gene Improvement, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
