کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6288122 | 1300446 | 2014 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fungal jarosite biomineralization in RÃo Tinto
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
ایمنی شناسی و میکروب شناسی
میکروبیولوژی و بیوتکنولوژی کاربردی
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چکیده انگلیسی
RÃo Tinto is an extreme environment located at the core of the Iberian Pyrite Belt (IPB). It is an unusual ecosystem due to its size, constant acidic pH, high concentration of heavy metals and a high level of microbial diversity, mainly eukaryotic. Recently it was described the biomineralization of jarosite by Purpureocillium lilacinum, an acidic filamentous fungi isolated from the banks of the Tinto basin. In this study we further investigate the specificity of jarosite biomineralization by this fungi and its importance in the generation of jarosite in the RÃo Tinto basin. Our results clearly show that the ratio of the redox pairs and the Fe3+ concentration is important to achieve a specific biomineralization of jarosite. The amount of nucleation sites also seems to be critical, although the presence of nucleation sites by itself is not sufficient to precipitate jarosite. There is a good correlation between the sampling sites along the river in which hydronium-jarosite has been identified and the presence of P. lilacinum.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Research in Microbiology - Volume 165, Issue 9, November 2014, Pages 719-725
Journal: Research in Microbiology - Volume 165, Issue 9, November 2014, Pages 719-725
نویسندگان
Monike Oggerin, Nuria RodrÃguez, Catalina del Moral, Ricardo Amils,