论文标题
微生物冲突与合作中的代谢热
Metabolic heat in microbial conflict and cooperation
论文作者
论文摘要
许多微生物生活在其最佳温度以下的栖息地中。通过聚集或绝缘来保留代谢热将促进生长。多余的代谢热也可能提供好处。一个使过量代谢热量的细胞支付生产成本,而福利可以由局部热量捕获区域内的邻居共享。代谢热作为可共享的公共物品,提出了有关冲突以及热量产量和捕获的合作的有趣问题。代谢热也可以作为武器部署。通过升高局部温度降低耐热分类单元,具有更大的耐热性增益的物种。代谢热可以通过脊椎动物的发烧类比来防御噬菌体攻击。本文概述了微生物冲突与合作中代谢热的理论,为未来的研究提供了一些预测。
Many microbes live in habitats below their optimum temperature. Retention of metabolic heat by aggregation or insulation would boost growth. Generation of excess metabolic heat may also provide benefit. A cell that makes excess metabolic heat pays the cost of production, whereas the benefit may be shared by neighbors within a zone of local heat capture. Metabolic heat as a shareable public good raises interesting questions about conflict and cooperation of heat production and capture. Metabolic heat may also be deployed as a weapon. Species with greater thermotolerance gain by raising local temperature to outcompete less thermotolerant taxa. Metabolic heat may provide defense against bacteriophage attack, by analogy with fever in vertebrates. This article outlines the theory of metabolic heat in microbial conflict and cooperation, presenting several predictions for future study.