OsNramp5 Mutation Affects Cd Accumulation and Agronomic Traits in RiceAugust 14, 2019
OsNramp5 is an important gene in the regulation of Cadmium (Cd), Manganese (Mn), and other metal icons by rice root cells. When this gene is impaired, it can reduce the buildup of Cd in rice grains, but the effect on yield and quality is yet to be discovered. Thus, researchers from Hunan Agricultural University and partners developed three OsNramp5 rice mutants with low cadmium content using the CRISPR-Cas9 technology.
Mutation analysis revealed that the mutants expressed defective OsNramp5 protein sequences. Metal content and agronomic traits analyses showed that Cd was reduced and the rice yield and quality were also affected. Furthermore, it was also found that with the decrease of OsNramp5 mutation degree, its effects on chlorenchyma Mn accumulation, yield and quality were also decreased. Increase in Mn concentration in the soil restored the yield and quality traits.
The results of the study provide new insights on new materials for developing rice varieties with low Cd concentrations and premium agronomic qualities when exposed to high Cd environment.
Read the research article in Frontiers in Plant Science.
You might also like:
See more articles:
News from Around the World
- OFAB Nigeria Takes Biotechnology Awareness to Schools
- Avocado Genome Has Been Sequenced
- USDA Approves Verdeca's HB4® Drought Tolerant Soybeans
- New Zealand Scientific Body Pushes for GE Regulation Update
- EFSA Releases Scientific Opinion on Five-Event Stack GM Maize
- Rothamsted Research Responds to UK PM's Pledge on GM Crops
- Expression of Rice Galactinol Synthase Gene in Maize
- Parasitic Plants Get a Boost from Stolen Genes
Plant Breeding Innovations
- OsNramp5 Mutation Affects Cd Accumulation and Agronomic Traits in Rice
- Improved Levels of ZmACD6 Confers Resistance to Corn Smut
Subscribe to CBU: