代谢工程改造微生物利用甲酸研究进展
程真真, 张健, 高聪, 刘立明, 陈修来

Progress in metabolic engineering of microorganisms for the utilization of formate
CHENG Zhenzhen, ZHANG Jian, GAO Cong, LIU Liming, CHEN Xiulai
图3 天然甲酸利用路径
(绿色底色的化合物为路径底物,粉色底色的化合物为路径产物)Ack—乙酸激酶;Acs—乙酰辅酶A合成酶;COdh—CO脱氢酶;CoFeSP—钴铁硫蛋白;Eno—烯醇化酶;Fch—次甲基四氢叶酸环水解酶;Fdh—甲酸脱氢酶;Ftl—甲酸四氢叶酸连接酶;Fts—甲酰四氢叶酸合成酶;Gapdh—3-磷酸甘油醛脱氢酶;GCS—甘氨酸裂解系统;Gk—甘油酸激酶;GlyA—丝氨酸羟甲基转移酶;GR—甘氨酸还原酶复合体;Hpr—羟基丙酮还原酶;Madh—苹果酸脱氢酶;Mcl—苹果酰辅酶A裂解酶;Metr—甲基转移酶;Mtd—亚甲基四氢叶酸脱氢酶;Mtk—苹果酸裂解酶;Mtr—亚甲基四氢叶酸还原酶;PFOR—丙酮酸铁氧还蛋白氧化还原酶;Pgk—磷酸甘油酸激酶;Ppc—PEP羧化酶;Prk—磷酸核酮糖激酶;Rubisco—核酮糖-1,5-二磷酸羧化酶/加氧酶;Sda—丝氨酸脱氨酶;Sgt—丝氨酸-乙醛酸转氨酶;THF—四氢叶酸
Fig. 3 Natural formate-utilizing pathways
(compounds with a green background are pathway substrates; compounds with a pink background are pathway products) Ack—Acetate kinase; Acs—acetyl-CoA synthase; COdh—CO dehydrogenase; CoFeSP—corrinoid ironsulfur protein; Eno—enolase; Fch—methenyl-tetrahydrofolate cyclohydrolase; Fdh—formate dehydrogenase; Ftl—formate-tetrahydrofolate ligase; Fts—formyl-tetrahydrofolate synthetase; Gapdh—glyceraldehyde-3-phosphate dehydrogenase; GCS—glycine cleavage system; Gk—glycerate kinase; GlyA—serine hydroxymethyltransferase; GR—Glycine reductase complex; Hpr—hydroxypyruvate reductase; Madh—malate dehydrogenase; Mcl—malyl-CoA lyase; Metr—methyltransferase; Mtd—methylene-tetrahydrofolate dehydrogenase; Mtk—malate thiokinase; Mtr—methylene-tetrahydrofolate reductase; PFOR—Pyruvate ferredoxin oxidoreductase; Pgk—Phosphoglycerate kinase; Ppc—phosphoenolpyruvate carboxylase; Prk—phosphoribulo kinase; Rubisco—Ribulose-1,5-bisphosphate carboxylase/oxygenase; Sda—serine deaminase; Sgt—serine-glyoxylate transaminase; THF—tetrahydrofolate