Os02g0725700

The rice Os02g0725700 was reported as OsHAP3E in 2011 by researchers from Japan.

Annotated Information

Gene Symbol

• Os02g0725700 <=> OsHAP3E, OsLEC1/OsHAP3E, OsLEC1

Function

• OsHAP3E plays important pleiotropic roles in vegetative and reproductive development or basic cellular processes in rice.
• The rice OsHAP3E which encodes a subunit of a CCAAT-motif binding HAP complex.
• There is an association of OsHAP3E with determination of floral meristem identity.
• The OsHAP3E function is essential for rice cells.

Expression

• The OsHAP3E-overexpressing plants showed various abnormal morphologies both in their vegetative and reproductive phases.
• The OsHAP3E-overexpressing plants were dwarf with erected leaves and similar to brassinosteroid mutants in the vegetative phase.
• In the reproductive phase, dense panicle was developed, and occasionally successive generation of lateral rachises and formation of double flowers were observed.
• On the other hand, repression of OsHAP3E by RNAi or by overexpressing chimeric repressor fusion constructs brought about lethality to transformed cells, and almost no transformant was obtained.

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Labs working on this gene

• Graduate School of Agricultural Science, Tohoku University, 1-1 Tsutsumidori-Amamiyamachi, Aoba-ku, Sendai 981-8555, Japan
• Plant Genetics Laboratory, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka 411-8540, Japan
• Department of Life Science, Graduate University for Advanced Studies, 1111 Yata, Mishima, Shizuoka 411-8540, Japan
• Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 4, Higashi 1-1-1, Tsukuba, Ibaraki 305-8562, Japan