甲酸厌氧代谢途径
摘要
甲酸是生物产氢的重要底物,但在中温条件下为吸能反应,在热力学上处于不利条件。近来,发现有细菌与产甲烷古细菌共培养代谢甲酸产甲烷,用氮气置换反应器内气体也能维持反应器内生物生长,这是降低氢分压使反应正常进行,产生能量,维持自身生长。另外,在高温条件下也有细菌能够直接代谢甲酸产氢,但任然接近热力学平衡。本文将主要介绍甲酸代谢的研究进展,包括电子受体还原途径、产甲烷途径、产乙酸途径、产氢途径和互营代谢途径,有助于对甲酸基础和应用领域的研究。
引文
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[5]Martins,M.,Mourato,C.&Pereira,I.A.C.Desulfovibrio vulgaris Growth Coupled to Formate-Driven H2 Production.Environmental Science&Technology 49(2015).