By searching for genetic sequences similar to regA in the burgeoning databases of genes that now exist, they found one in a unicellular alga called Chlamydomonas reinhardtii.

• 他们在现有的尚处于萌芽阶段的基因数据库中搜索与regA的基因序列相似的基因，并找到了一种属于单细胞藻类Chlamydomonasreinhardtii的基因。