Dewi Yuliani, Fumihiro Morishita, Takuya Imamura, Tatsuya Ueki
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引用次数: 0
摘要
海鞘 Ciona robusta（原名 Ciona intestinalis type A）一直是许多跨学科研究的主题。罗布斯塔是一种富含钒的海鞘，是探索与海鞘相关的微生物以及这些微生物在钒积累和还原过程中的作用的理想模型。在这项研究中，我们发现了两株能积累大量钒的细菌--CD2-88和CD2-102，它们分别属于假交替单胞菌属和弧菌属。生长培养基的成分影响了钒的吸收。此外，pH 值也是影响钒的积累和定位的重要因素。这些细菌积累的大部分钒（V）都转化成了毒性较低的钒（IV）。我们的研究结果提供了从罗布泊海百合（C. robusta）中分离出的细菌对钒的积累和还原的见解，有助于进一步研究海百合与微生物之间的关系及其在生物修复或生物矿化方面的可能应用。
Vanadium Accumulation and Reduction by Vanadium-Accumulating Bacteria Isolated from the Intestinal Contents of Ciona robusta
The sea squirt Ciona robusta (formerly Ciona intestinalis type A) has been the subject of many interdisciplinary studies. Known as a vanadium-rich ascidian, C. robusta is an ideal model for exploring microbes associated with the ascidian and the roles of these microbes in vanadium accumulation and reduction. In this study, we discovered two bacterial strains that accumulate large amounts of vanadium, CD2-88 and CD2-102, which belong to the genera Pseudoalteromonas and Vibrio, respectively. The growth medium composition impacted vanadium uptake. Furthermore, pH was also an important factor in the accumulation and localization of vanadium. Most of the vanadium(V) accumulated by these bacteria was converted to less toxic vanadium(IV). Our results provide insights into vanadium accumulation and reduction by bacteria isolated from the ascidian C. robusta to further study the relations between ascidians and microbes and their possible applications for bioremediation or biomineralization.
期刊介绍：
Marine Biotechnology welcomes high-quality research papers presenting novel data on the biotechnology of aquatic organisms. The journal publishes high quality papers in the areas of molecular biology, genomics, proteomics, cell biology, and biochemistry, and particularly encourages submissions of papers related to genome biology such as linkage mapping, large-scale gene discoveries, QTL analysis, physical mapping, and comparative and functional genome analysis. Papers on technological development and marine natural products should demonstrate innovation and novel applications.
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