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首页> 外文期刊>European journal of nutrition >Evolutionary erents culminating in specific minerals becoming essential for life
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Evolutionary erents culminating in specific minerals becoming essential for life

机译:最终产生特定矿物的进化活动成为生命必不可少的

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The environment in which living organisms evolved was apparently a primary determinant of which elements became essential for life. The first organic materials and . ultimately, life forms most likely were formed in an ancient sea containing minerals that provided structural integrity and catalytic ability to the first complex organic substances. The site at which life began has been suggested to be at the edge of the sea near sediments, or around a hydro-thermal system, The strongest circumstantial evidence supports a hyperthermophilic beginning. Regardless of the site, the biological importance of elements tends to parallel oceanic abundance, but in higher forms of life this parallelism apparently has been mitigated by a natural selection process that resulted in some elements becoming more important because of their superior abilities over other elements to perform vital functions. The converse to biological importance is that toxicity of elements and oceanic abundance tends to be inversely related. The basis for this relationship may be that the efficiency of homeostatic mechanisms to cope with a high intake of a specific element probably reflects upon the exposure of an organism to the element during its evolution. Thus, a study of evolutionary events may be helpful in predicting and comprehending the essential and toxic nature of mineral elements in humans.
机译:生命有机体进化的环境显然是决定哪些元素对于生命必不可少的主要决定因素。第一种有机材料和。最终,生命形式很可能是在包含矿物的古代海洋中形成的,这些矿物为第一类复杂的有机物质提供了结构完整性和催化能力。有人认为,开始生命的地点是在海底沉积物附近或热液系统附近。最强的间接证据支持开始高温。无论地点如何,元素的生物学重要性都倾向于与海洋丰富度平行,但在更高的生命形式中,这种平行性显然已被自然选择过程所减轻,由于某些元素比其他元素具有更强的能力,因此自然选择过程变得更为重要。执行重要功能。与生物学重要性相反的是,元素的毒性和海洋丰度往往成反比。这种关系的基础可能是,稳态机制应对特定元素大量摄入的效率可能反映了生物在进化过程中暴露于该元素的情况。因此,对进化事件的研究可能有助于预测和理解人类矿物质元素的本质和毒性。

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