The cdc2Os-l was linked to a RFLP maker, RG104.2) Two MADS-BOX genes, ANR1 and OS-MADS-1 both weakly expressed in root and leaf of rice, and were not induced by P starvation stress.

• H个MADS－BOX转录因子基因家族成员OS－MADS－l和ANRI的表达不受供磷状况的影响，缺磷不诱导其增强表达。