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Gene Review:

TPD1 - protein TAPETUM DETERMINANT 1

Arabidopsis thaliana

Synonyms: TAPETUM DETERMINANT 1

Yang, S.L. et al., Yang, S.L. et al.

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High impact information on TPD1

These data suggest that the TPD1 product plays an important role in the differentiation of tapetal cells, possibly in coordination with the EMS1/EXS gene product, a Leu-rich repeat receptor protein kinase [1].
When TPD1 was expressed ectopically in the wild-type Arabidopsis carpel, the number of cells in the carpel increased significantly, showing that the ectopic expression of TPD1 protein could activate the cell division in the carpel [2].

Regulatory relationships of TPD1

This result further suggests that TPD1 regulates cell fates in coordination with EMS1/EXS [2].

Other interactions of TPD1

The TPD1 and EMS1/EXS genes may function in the same developmental pathway in the Arabidopsis anther [2].

Analytical, diagnostic and therapeutic context of TPD1

Molecular cloning of TPD1 revealed that it encodes a small protein of 176 amino acids [1].

References

Tapetum determinant1 is required for cell specialization in the Arabidopsis anther. Yang, S.L., Xie, L.F., Mao, H.Z., Puah, C.S., Yang, W.C., Jiang, L., Sundaresan, V., Ye, D. Plant Cell (2003) [Pubmed]
Overexpression of TAPETUM DETERMINANT1 alters the cell fates in the Arabidopsis carpel and tapetum via genetic interaction with excess microsporocytes1/extra sporogenous cells. Yang, S.L., Jiang, L., Puah, C.S., Xie, L.F., Zhang, X.Q., Chen, L.Q., Yang, W.C., Ye, D. Plant Physiol. (2005) [Pubmed]

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