Os05g0118700
The rice Os05g0118700 was reported as GL1 in 2012 [1] by researchers from Japan.
Contents
Annotated Information
Figure 1. Morphology and graphical genotypes of the plant materials.[1].
Gene Symbol
- Os05g0118700 <=> GL1,OsGL1,dep,OsWOX3
Function
- The dep gene encodes a WUSCHEL-related homeobox 3B that was fine-mapped to a 22-kb region on the short arm of chromosome 5.
- The dep confers glabrousness of rice leaves and glumes.
Phenotypic analysis
- The substitution line GLSL15 shares the genomic constitution of cv. Koshihikari except for an approximately 3.15-Mb fragment of O. glaberrima on the short arm of chromosome 5 (Figure 1a-c).
- Gross morphological examination showed that GLSL15 closely resembles Koshihikari (Figure 1d-f ) although scanning electron micrographs revealed that the substitution line is more similar to O. glaberrima in leaf ultrastructure (Figure 1g-l).
- Both GLSL15 and O. glaberrima lack the bristle-type trichomes and have hairs only on both the abaxial and adaxial surface of the leaves. The hairs run parallel to the leaf venation and are located beside the motor cells or stomata. Koshihikari leaves, on the other hand, have both hair and the bristle-type trichomes.
- Bristle type Ia, Ib and II trichomes were observed on the adaxial leaf surface, whereas only bristle type Ia and Ib were seen on the abaxial leaf surface. The bristle-type trichomes are located on silica cells over a thin vascular bundle and are oriented perpendicular or parallel to the leaf blade.
- Trichomes that are prominent on the glumes of Koshihikari are absent on the glumes of both GLSL15 and O. glaberrima (Figure 1m-o).
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Labs working on this gene
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya Aichi 464-8601, Japan
- Honda Research Institute Japan, Kazusa-Kamatari, Kisarazu-shi Chiba 292-0818, Japan
