Mapping the rt(rootgrowth-inhibiting) gene of rice by RFLP markers
2003
Miwa, M. | Inukai, Y. | Satoh, K. | Itoh, M. | Katayama, Y. | Ashikari, M. | Matsuoka, M. | Kitano, H.
Despite the many important roles of the plant root, the study of root growth and development has not received as much attention as that of aerial organs, particularly at the molecular and genetic levels. To understand the genetic mechanism of root growth, we studied the rice root growth-inhibiting mutant (rt mutant). A previous study revealed that a recessive rt gene controlling the mutant phenotype primarily disturbs the normal formation of root epidermal systems. Thus, we tried to isolate the rt gene using molecular markers. Preliminary results showed that the rt gene is located between RFLP markers C335 and R3351 on the long arm of chromosome 4.
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