Os03g0738600
The rice Os03g0738600 was reported as OsLOX2 in 2014 [1] by researchers from China.
Contents
Annotated Information
Function
- OsLOX2 is a rice type I lipoxygenase, which can confers opposite effects on seed germination and longevity
- The OsLOX2 gene is essential for rice seed germination
- OsLOX2 acts in opposite directions during seed germination and longevity during storage.
- OsLOX2 affects seed deterioration during storage
- Appropriate repression of the OsLOX2 gene may delay the aging process during the storage without compromising germination under normal conditions.
Evolution
- Lines over-expressing OsLOX2 showed accelerated seed germination under normal condition and lower seed viability after accelerated aging. RNA interference (RNAi) of OsLOX2 caused delayed germination and enhanced seed longevity.
- RNAi lines with strongly repressed OsLOX2 activity completely lost the capability of germination after accelerated aging. More lipid hydroperoxide were found in OE15 than the control, but less in RNAi lines than in the WT Nipponbare.
Expression
- Abundant expression of OsLOX2 was detected in panicles, roots, and stems, but not in leaves.
- OsLOX2 was highly induced during germination.
Subcellular localization
- Subcellular localization analysis shows that OsLOX2 locates in the cytoplasm, not in the chloroplasts.
Figure 2. Subcellular localization of OsLOX2 in rice protoplasts.[1].
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Labs working on this gene
- State Key Laboratory for Crop Genetics and Germplasm Enhancement, Jiangsu Provincial Center of Plant Gene Engineering, Nanjing Agricultural University, Weigang 1, Nanjing 210095, China
- Institute of Crop Science, The National Key Facility for Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing 10081, China
