Pioneer Studies on Metagenomic Evaluation of Diversity of Microbial Community in Banded Iron Formation (BIF) from Iron Ore Mining Belt of Goa, India

IF 2.2 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Geomicrobiology Journal Pub Date : 2023-03-06 DOI:10.1080/01490451.2023.2184883

Sujata Dabolkar, I. Furtado, N. Kamat

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引用次数: 1

Abstract

Abstract Goa is situated in the northwestern part of the Western Dharwar Craton (WDC) which is Asia’s major metallogenic province. The iron ore of Goa is associated with greenstone and occurs as bands, reefs, and lenses of Banded Hematite Quartzite (BHQ) and Banded Magnetite Quartzite (BMQ) none of these are explored for geo-microbiological dimensions, such as detection of microbioform Gold. The presence of metalliferous WDC in Goa affords sampling of auriferous materials from mining area having hitherto BHQ at latitude 15°29′54″ N and longitude 74° 03′44″ E) and BMQ at latitude 15°24′12″ N and longitude 74° 09′31″ E were collected, surface sterilized and drilled with a sterile driller to get the endolithic material under sterile conditions and sent for metagenomic analysis using Oxford nanopore sequencing. Both the samples showed the presence of microorganisms with Archea, such as Haloferax, Nitrososphaera, and Eubacteria, i.e., Bacillus, Ralstonia, Cupriavidus, Burkholderia, and Acetobacter. The traditional model of Banded Iron Deposition assumes precipitation by the oxidation of hydrothermal Fe (II), either via abiotic oxidation or biotic oxidation through chemo lithotrophic Eubacteria, such as cyanobacteria which produce oxygen. This paper reports the diversity and the presumptive role of these microorganisms in the biogeochemical cycling of metals, such as Fe, Mn, and gold (Au).

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印度果阿铁矿带带状铁地层(BIF)微生物群落多样性宏基因组评价初探

摘要果阿位于西部达尔瓦尔火山口（WDC）的西北部，是亚洲主要的成矿区。果阿的铁矿石与绿岩有关，以带状赤铁矿-石英岩（BHQ）和带状磁铁矿-石英岩的带、礁和透镜体的形式出现。这些都没有进行地质微生物维度的探索，例如微生物形态金的检测。果阿含金属WDC的存在为迄今为止在北纬15°29′54〃和东经74°03′44〃的BHQ和北纬15°24′12〃、东经74°09′31〃的BMQ矿区的含金物质取样提供了条件，表面灭菌并用无菌钻机钻孔，以在无菌条件下获得旧石器时代的材料，并使用牛津纳米孔测序进行宏基因组分析。两个样品都显示出存在具有Archea的微生物，如Haloferax、Nitrosospeera和真细菌，即芽孢杆菌、Ralstonia、Cupriavidus、Burkholderia和醋杆菌。带状铁沉积的传统模型假设通过水热Fe（II）的氧化沉淀，通过非生物氧化或通过化学-石养真细菌（如产生氧气的蓝藻）的生物氧化。本文报道了这些微生物在金属（如铁、锰和金）的生物地球化学循环中的多样性和假定作用。

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来源期刊

Geomicrobiology Journal 环境科学-地球科学综合

CiteScore

4.80

自引率

8.70%

发文量

审稿时长

3.3 months

期刊介绍： Geomicrobiology Journal is a unified vehicle for research and review articles in geomicrobiology and microbial biogeochemistry. One or two special issues devoted to specific geomicrobiological topics are published each year. General articles deal with microbial transformations of geologically important minerals and elements, including those that occur in marine and freshwater environments, soils, mineral deposits and rock formations, and the environmental biogeochemical impact of these transformations. In this context, the functions of Bacteria and Archaea, yeasts, filamentous fungi, micro-algae, protists, and their viruses as geochemical agents are examined. Articles may stress the nature of specific geologically important microorganisms and their activities, or the environmental and geological consequences of geomicrobiological activity. The Journal covers an array of topics such as: microbial weathering; microbial roles in the formation and degradation of specific minerals; mineralization of organic matter; petroleum microbiology; subsurface microbiology; biofilm form and function, and other interfacial phenomena of geological importance; biogeochemical cycling of elements; isotopic fractionation; paleomicrobiology. Applied topics such as bioleaching microbiology, geomicrobiological prospecting, and groundwater pollution microbiology are addressed. New methods and techniques applied in geomicrobiological studies are also considered.