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Absorption and Conversion of Diesel Fuel by the Red Alga Palmaria palmata (Linnaeus) F. Weber et D. Mohr, 1805 (Rhodophyta): The Potential Role of Alga in Bioremediation of Sea Water
Russian Journal of Marine Biology ( IF 0.6 ) Pub Date : 2020-05-18 , DOI: 10.1134/s1063074020020108
G. M. Voskoboinikov , I. V. Ryzhik , D. O. Salakhov , L. O. Metelkova , Z. A. Zhakovskaya , E. M. Lopushanskaya

Abstract

It was shown for the first time that the red alga Palmaria palmata (Linnaeus) F. Weber et D. Mohr, 1805 not only retained its physiological activity under the conditions of moderate pollution of the seawater with diesel fuel, but also exhibited a pronounced ability for sorption and destruction of petroleum products. The content of diesel fuel components in seawater decreased simultaneously with their accumulation in the algae. Apparently, the entire thallus of P. palmata participated in the destruction of diesel fuel: this process began on the algal surface via the activity of epiphytic hydrocarbon-oxidizing bacteria that provide the conversion of petroleum products into a plant-accessible form available for macrophytes. Subsequently, the petroleum products were neutralized by algal cells. The resilience of P. palmata under the influence of diesel fuel was confirmed by the consistently high metabolic activity of P. palmata cells throughout the 21-day experiment. It is assumed that the ability of macroalgae to form symbiotic associations with hydrocarbon-oxidizing microorganisms is the main factor in their bioremediation.


中文翻译:

红藻对棕榈燃料的吸收和转化(Linnaeus)F. Weber等人,莫尔,1805年(红藻):藻类在海水生物修复中的潜在作用

摘要

首次表明,红藻Palaria palmata(Linnaeus)F. Weber等人,D。Mohr,1805年不仅在柴油受到海水中等污染的条件下保持了其生理活性,而且还表现出了显着的能力。用于吸附和破坏石油产品。海水中柴油成分的含量与其在藻类中的积累同时减少。显然,整个掌状参与了柴油的破坏:这一过程是通过附生烃氧化细菌的活动在藻类表面开始的,附生烃氧化细菌将石油产品转化为植物可获取的形式,供大型植物使用。随后,石油产品被藻类细胞中和。在整个21天的实验过程中,棕榈树的持续高代谢活性证实了棕榈树在柴油燃料作用下的弹性。假定大型藻类与烃类氧化微生物形成共生缔合的能力是其生物修复的主要因素。
更新日期:2020-05-18
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