Primary study of NAD malic enzyme was carried out in facultative CAM plants Sedum aizoon and Mesembryanthemum cordifolium.

• 以土三七（Sedum aizoon）和露花（Mesem bryanthem um cordifolium ）为材料，对兼性景天酸代谢（CAM）植物的NAD－苹果酸酶作了初步研究。