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Microbial oxidases catalyzing conversion of glycolaldehyde into glyoxal

机译：微生物氧化酶催化乙醇醛转化为乙二醛

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The present paper reviews oxidases catalyzing conversion of glycolaldehyde into glyoxal. The enzymatic oxidation of glycolaldehyde into glyoxal was first reported in alcohol oxidases (AODs) from methylotrophic yeasts such as Candida and Pichia, and glycerol oxidase (GLOD) from Aspergillus japonicus, although it had been reported that these enzymes are specific to short-chain linear aliphatic alcohols and glycerol, respectively. These enzymes continuously oxidized ethylene glycol into glyoxal via glycolaldehyde. The AODs produced by Aspergillus ochraceus and Penicillium purpurescens also oxidized glycolaldehyde. A new enzyme exhibiting oxidase activity for glycolaldehyde was reported from a newly isolated bacterium, Paenibacillus sp. AIU 311. The Paenibacillus enzyme exhibited high activity for aldehyde alcohols such as glycolaldehyde and glyceraldehyde, but not for methanol, ethanol, ethylene glycol or glycerol. The deduced amino acid sequence of the Paenibacillus AOD was similar to that of superoxide dismutases (SODs), but not to that of methylotrophic yeast AODs. Then, it was demonstrated that SODs had oxidase activity for aldehyde alcohols including glycolaldehyde. The present paper describes characteristics of glycolaldehyde oxidation by those enzymes produced by different microorganisms.
机译：本文综述了氧化酶催化乙醇醛向乙二醛的转化。乙醇醛酶氧化为乙二醛的方法最早是在甲基营养酵母（例如念珠菌和毕赤酵母）的醇氧化酶（AOD）和日本曲霉的甘油氧化酶（GLOD）中报道的，尽管据报道这些酶对短链线性酶具有特异性。脂肪族醇和甘油分别。这些酶通过乙二醇醛将乙二醇连续氧化为乙二醛。曲霉和紫青霉产生的AOD也会氧化乙醇醛。从新分离的细菌Paenibacillus sp。报道了一种对乙醇醛具有氧化酶活性的新酶。 AIU 311.芽孢杆菌酶对醛醇（如乙醇醛和甘油醛）表现出高活性，但对甲醇，乙醇，乙二醇或甘油则没有活性。推导的Paenibacillus AOD的氨基酸序列与超氧化物歧化酶（SOD）相似，但与甲基营养型酵母AOD相似。然后，证明了SOD对包括乙醇醛的醛醇具有氧化酶活性。本文描述了由不同微生物产生的那些酶对乙醇醛氧化的特征。

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