We therefore also performed allelism tests between ll and as mutants . our results show that ll1 is the as2 mutant , and ll2 is the as1 mutant . i have cloned the as1 gene by map - based cloning 用图位克隆的方法,克隆了影响拟南芥叶极性发育的重要基因as1 ,基因序列分析表明, as1属于myb基因家族,可能是一种转录调控因子。