Science. 1974 Jun 14;184(4142):1181-3. doi: 10.1126/science.184.4142.1181.
Visibly healthy hardwood trees located on poorly drained soils contained high pressures of methane. Heartwood from these trees was water-soaked, neutral to alkaline in pH, fetid in odor, and infested with a diverse population of obligately anaerobic bacteria. the bacterium responsible for methane formation in tree. was isolated and characterized as a member of the genus Methanobacterium.
生长在排水不良土壤上的外观健康的硬木树木含有高浓度的甲烷。这些树木的心材被水浸透，pH 值呈中性至碱性，有恶臭，并且受到多种专性厌氧菌的侵袭。导致树木甲烷形成的细菌被分离出来，并被鉴定为甲烷杆菌属的一个成员。
