Os04g0101800
The rice gene Os04g0101800 was reported as sor1 in 2013 [1] by researchers from Japan.
Contents
Annotated Information
Figure 1. Differences in rooting between the sor1 mutant (A, C, E, and G) and wild-type Nipponbare (B, D, F, and H).[1].
Gene Symbol
- Os04g0101800 <=> OsSOR1,sor1
Function
- sor1 is a single recessive gene which can cause soil-surface rooting and altered root gravitropic response.
Phenotypic analysis
- Under submerged conditions, the roots of all mutant plants elongated on or just below the soil surface in plant pots (Figure 1A); however, no wild-type Nipponbare plants (WT) had such roots during the seedling stage (Figure 1B). The cup method showed that mutant plants had many soil-surface roots (Figure 1C); however, WT had very few such roots (Figure 1D).
- The glass tube method showed that mutant plants had many primary roots elongated on the upper side of the agar surface (Figure 1E); however, WT had no such roots (Figure 1F).
- The basket method showed that mutant plants had many soil-surface roots (Figure 1G); however, WT had few soilsurface roots (Figure 1H). These results revealed that our mutant is a novel mutant for soil-surface rooting.
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Labs working on this gene
- Graduate School of Life Sciences, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
- Plant Breeding, Genetics and Biotechnology Division, International Rice Research Institute, DAPO Box 7777, Metro Manila, Philippines.
- Japan International Research Center for Agricultural Sciences, 1-1 Ohwashi, Tsukuba, Ibaraki 305-8686, Japan.
- National Institute of Agrobiological Sciences, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan.
- Institute of Plant Science and Resources, Okayama University, 2-20-1, Kurashiki, Okayama 710-0046, Japan.
- RIKEN Innovation Center, Ion Beam Breeding Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
