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Автор: Grafiati

Опубліковано: 11 вересня 2023

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1

Allsup, Cassandra M., Isabelle George, and Richard A. Lankau. "Shifting microbial communities can enhance tree tolerance to changing climates." Science 380, no. 6647 (May 26, 2023): 835–40. http://dx.doi.org/10.1126/science.adf2027.

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Climate change is pushing species outside of their evolved tolerances. Plant populations must acclimate, adapt, or migrate to avoid extinction. However, because plants associate with diverse microbial communities that shape their phenotypes, shifts in microbial associations may provide an alternative source of climate tolerance. Here, we show that tree seedlings inoculated with microbial communities sourced from drier, warmer, or colder sites displayed higher survival when faced with drought, heat, or cold stress, respectively. Microbially mediated drought tolerance was associated with increased diversity of arbuscular mycorrhizal fungi, whereas cold tolerance was associated with lower fungal richness, likely reflecting a reduced burden of nonadapted fungal taxa. Understanding microbially mediated climate tolerance may enhance our ability to predict and manage the adaptability of forest ecosystems to changing climates.

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2

Wang, Dongsheng, Fang Guan, Chao Feng, Krishnamurthy Mathivanan, Ruiyong Zhang, and Wolfgang Sand. "Review on Microbially Influenced Concrete Corrosion." Microorganisms 11, no. 8 (August 12, 2023): 2076. http://dx.doi.org/10.3390/microorganisms11082076.

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Microbially influenced concrete corrosion (MICC) causes substantial financial losses to modern societies. Concrete corrosion with various environmental factors has been studied extensively over several decades. With the enhancement of public awareness on the environmental and economic impacts of microbial corrosion, MICC draws increasingly public attention. In this review, the roles of various microbial communities on MICC and corresponding protective measures against MICC are described. Also, the current status and research methodology of MICC are discussed. Thus, this review aims at providing insight into MICC and its mechanisms as well as the development of protection possibilities.

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3

Pacton, M., S. F. M. Breitenbach, F. A. Lechleitner, A. Vaks, C. Rollion-Bard, O. S. Gutareva, A. V. Osintcev, and C. Vasconcelos. "The role of microorganisms in the formation of a stalactite in Botovskaya Cave, Siberia – paleoenvironmental implications." Biogeosciences 10, no. 9 (September 27, 2013): 6115–30. http://dx.doi.org/10.5194/bg-10-6115-2013.

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Abstract. Calcitic speleothems in caves can form through abiogenic or biogenic processes, or through a combination of both. Many issues conspire to make the assessment of biogenicity difficult, especially when focusing on old speleothem deposits. This study reports on a multiproxy analysis of a Siberian stalactite, combining high-resolution microscopy, isotope geochemistry and microbially enhanced mineral precipitation laboratory experiments. The contact between growth layers in a stalactite exhibits a biogenic isotopic signature; coupled with morphological evidence, this supports a microbial origin of calcite crystals. SIMS δ13C data suggest that microbially mediated speleothem formation occurred repeatedly at short intervals before abiotic precipitation took over. The studied stalactite also contains iron and manganese oxides that have been mediated by microbial activity through extracellular polymeric substance (EPS)-influenced organomineralization processes. The latter reflect paleoenvironmental changes that occurred more than 500 000 yr ago, possibly related to the presence of a peat bog above the cave at that time. Microbial activity can initiate calcite deposition in the aphotic zone of caves before inorganic precipitation of speleothem carbonates. This study highlights the importance of microbially induced fractionation that can result in large negative δ13C excursions. The microscale biogeochemical processes imply that microbial activity has only negligible effects on the bulk δ13C signature in speleothems, which is more strongly affected by CO2 degassing and the host rock signature.

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4

Pacton, M., S. F. M. Breitenbach, F. A. Lechleitner, A. Vaks, C. Rollion-Bard, O. S. Gutareva, A. V. Osinzev, and C. Vasconcelos. "The role of microorganisms on the formation of a stalactite in Botovskaya Cave, Siberia – palaeoenvironmental implications." Biogeosciences Discussions 10, no. 4 (April 8, 2013): 6563–603. http://dx.doi.org/10.5194/bgd-10-6563-2013.

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Abstract. Calcitic speleothems in caves can form through abiogenic, biogenic, or a combination of both processes. Many issues conspire to make the assessment of biogenicity difficult, especially when focusing on old speleothem deposits. This study reports a multiproxy analysis of a Siberian stalactite, combining high-resolution microscopy, isotope geochemistry and microbially enhanced mineral precipitation laboratory experiments. The contact between growth layers in a stalactite exhibits a biogenic isotopic signature; coupled with morphological evidence this supports a microbial origin of calcite crystals. SIMS δ13C data suggest that microbially mediated speleothem formation occurred repeatedly for short intervals before abiotic precipitation took over. The studied stalactite also contains iron and manganese oxides that have been mediated by microbial activity through extracellular polymeric substances (EPS)-influenced organomineralization processes. The latter reflect palaeoenvironmental changes that occurred more than 500 000 yr ago, possibly related to the presence of a peat bog above the cave at that time. Microbial activity can initiate calcite deposition in the aphotic zone of caves before inorganic precipitation of speleothem carbonates. This study highlights the importance of microbially induced fractionation that can result in large negative δ13C excursions. The micro-scale biogeochemical processes imply that microbial activity has only negligible effects on the bulk δ13C signature in speleothems, which is more strongly affected by CO2 degassing and the hostrock signature.

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5

Schindler, Frank, Lutz Merbold, Stefan Karlsson, Anna Rosa Sprocati, and Erika Kothe. "Seasonal change of microbial activity in microbially aided bioremediation." Journal of Geochemical Exploration 174 (March 2017): 4–9. http://dx.doi.org/10.1016/j.gexplo.2016.04.001.

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6

Jiang, Weijian, Wen Yi, and Lei Zhou. "Fibre-Microbial Curing Tests and Slope Stability Analysis." Applied Sciences 13, no. 12 (June 12, 2023): 7051. http://dx.doi.org/10.3390/app13127051.

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In response to the deformation resistance deficiency and poor toughness characteristics of soil after microbial curing, a combination of fibre reinforcement technology and microbial curing technology was used to conduct microbial curing tests using basalt fibres and denitrifying bacteria. In this paper, the effects of fibre on the strength and toughness of soil consolidation were analysed by unconfined compressive strength test and direct shear test, and the stability of reinforced slope was analysed by numerical simulation. The results show the following. (1) Basalt fibre can effectively improve the characteristics of brittle damage of microbially consolidated soil while increasing the compressive and shear strength. (2) Fibre dosing and fibre length have important effects on the mechanical properties of microbially consolidated soil. (3) The appropriate amount of basalt fibre can promote the generation of calcium carbonate. (4) The plastic strain area of the slope decreases after microbial reinforcement and the maximum equivalent plastic stress decreases by 65 kPa.

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7

Emmert, Simon, Katherine Davis, Robin Gerlach, and Holger Class. "The Role of Retardation, Attachment and Detachment Processes during Microbial Coal-Bed Methane Production after Organic Amendment." Water 12, no. 11 (October 27, 2020): 3008. http://dx.doi.org/10.3390/w12113008.

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Microbially enhanced coal-bed methane could allow for a more sustainable method of harvesting methane from un-mineable coaldbeds. The model presented here is based on a previously validated batch model; however, this model system is based on upflow reactor columns compared to previous experiments and now includes flow, transport and reactions of amendment as well as intermediate products. The model implements filtration and retardation effects, biofilm decay, and attachment and detachment processes of microbial cells due to shear stress. The model provides additional insights into processes that cannot be easily observed in experiments. This study improves the understanding of complex and strongly interacting processes involved in microbially enhanced coal-bed methane production and provides a powerful tool able to model the entire process of enhancing methane production and transport during microbial stimulation.

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8

Polgári, Márta, Ildikó Gyollai, Szaniszló Bérczi, Miklós Veres, Arnold Gucsik, and Pál-Molnár Elemér. "Microbial mediation of textures and minerals – terrestrial or parent body processes?" Open Astronomy 28, no. 1 (January 1, 2019): 40–60. http://dx.doi.org/10.1515/astro-2019-0004.

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Abstract Evolution of chondritic parent body is influenced by thermal, impact metamorphism and aqueous alteration, studied in Mező-Madaras, Knyahinya, Mócs and Nyírábrány in aspect of high resolution in situ textural, mineralogical and organic geochemical characteristics, using optical microscopy, FTIR-ATR and Raman spectroscopy. Our observations focused on Fe-containing opaque grains, glass, olivines and pyroxenes, which were well populated by micrometer-sized microbial filamentous elements in their boundary region within matrix and inside the minerals resembling mineralized microbially produced textures (MMPT), affecting 70-80 vol% of samples. In MMPT iron oxides (ferrihydrite, goethite), olivine, montmorillonite, kandite minerals and various hydrocarbon compounds were identified. (1) Data confirmed dense and invasive terrestrial microbially mediated contamination in the chondrites, supported by microtexture, micromineralogy and embedded organic compounds. As the classical transformation processes are supposed nowadays to have been happened on the parent bodies, a contradiction arose: how could it be that these classical products are manifested in microbially mediated texture? (2) Based on terrestrial analogies, microbial mediation is a sudden process comparing to geological times, very ancient, widespread and occur in various environments under determined conditions. It can consume previous and also produce new minerals. After formation, MMPT can survive billions of years proposing occurrence on parent bodies.

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9

Bosak, Tanja, Giulio Mariotti, Francis A. MacDonald, J. Taylor Perron, and Sara B. Pruss. "Microbial Sedimentology of Stromatolites in Neoproterozoic Cap Carbonates." Paleontological Society Papers 19 (October 2013): 51–76. http://dx.doi.org/10.1017/s1089332600002680.

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Stromatolite shapes, sizes, and spacings are products of microbial processes and interactions with topography, sedimentation, and flow. Laboratory experiments and studies of modern microbial mats and sediments can help reconstruct processes that shaped some typical stromatolite forms and some atypical microbially influenced sediments from Neoproterozoic cap carbonates. Studies of modern, cohesive microbial mats indicate that microbialaminite facies in the lower Rasthof Formation (Cryogenian) formed in the presence of very low flow and were not deformed by strong waves or currents. Giant wave ripples, corrugated stromatolites, and tube-hosting stromatolites in basal Ediacaran cap carbonates record interactions between microbes, flow, and evolving bedforms. Preferential cementation in and close to the giant ripple crests is attributed to interactions between flow and local topography. These interactions pumped alkaline porewaters into ripple crests and helped nucleate elongated stromatolites. The similar textures of giant wave ripples and elongated, corrugated, and tube-hosting stromatolites suggest growth in the presence of organic-rich, rounded particles and microbial mats, and in flow regimes that permitted mat growth. These hypotheses can be tested by experiments and models that investigate lithification and the macroscopic morphology of microbial mats as a function of the flow regime, preexisting topography, redox-stratification in sediments, and delivery of organic-rich particles. The widespread microbially influenced textures in Cryogenian microbialaminites and basal Ediacaran cap dolostones record a strong reliance of carbonate deposition on the presence of organic nuclei, supporting carbonate accumulation rates comparable to those in modern reefs. Therefore, the unusual macroscopic morphologies of microbially influenced facies in Neoproterozoic cap carbonates may not reflect oceans that were greatly oversaturated with respect to carbonate minerals.

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10

Zhu, Xiang Y., John Lubeck, and John J. Kilbane. "Characterization of Microbial Communities in Gas Industry Pipelines." Applied and Environmental Microbiology 69, no. 9 (September 2003): 5354–63. http://dx.doi.org/10.1128/aem.69.9.5354-5363.2003.

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ABSTRACT Culture-independent techniques, denaturing gradient gel electrophoresis (DGGE) analysis, and random cloning of 16S rRNA gene sequences amplified from community DNA were used to determine the diversity of microbial communities in gas industry pipelines. Samples obtained from natural gas pipelines were used directly for DNA extraction, inoculated into sulfate-reducing bacterium medium, or used to inoculate a reactor that simulated a natural gas pipeline environment. The variable V2-V3 (average size, 384 bp) and V3-V6 (average size, 648 bp) regions of bacterial and archaeal 16S rRNA genes, respectively, were amplified from genomic DNA isolated from nine natural gas pipeline samples and analyzed. A total of 106 bacterial 16S rDNA sequences were derived from DGGE bands, and these formed three major clusters: beta and gamma subdivisions of Proteobacteria and gram-positive bacteria. The most frequently encountered bacterial species was Comamonas denitrificans, which was not previously reported to be associated with microbial communities found in gas pipelines or with microbially influenced corrosion. The 31 archaeal 16S rDNA sequences obtained in this study were all related to those of methanogens and phylogenetically fall into three clusters: order I, Methanobacteriales; order III, Methanomicrobiales; and order IV, Methanosarcinales. Further microbial ecology studies are needed to better understand the relationship among bacterial and archaeal groups and the involvement of these groups in the process of microbially influenced corrosion in order to develop improved ways of monitoring and controlling microbially influenced corrosion.

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11

Kim, Byung Hong, Swee Su Lim, Wan Ramli Wan Daud, Geoffrey Michael Gadd, and In Seop Chang. "The biocathode of microbial electrochemical systems and microbially-influenced corrosion." Bioresource Technology 190 (August 2015): 395–401. http://dx.doi.org/10.1016/j.biortech.2015.04.084.

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12

Chandraprabha, M. N., and K. A. Natarajan. "Microbially Induced Mineral Beneficiation." Mineral Processing and Extractive Metallurgy Review 31, no. 1 (December 29, 2009): 1–29. http://dx.doi.org/10.1080/08827500903404682.

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13

Roels, Joris, Gwen Huyghe, and Willy Verstraete. "Microbially mediated phosphine emission." Science of The Total Environment 338, no. 3 (February 2005): 253–65. http://dx.doi.org/10.1016/j.scitotenv.2004.07.016.

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14

Rouwane, Asmaa, Marion Rabiet, Isabelle Bourven, Malgorzata Grybos, Lucie Mallet, and Gilles Guibaud. "Role of microbial reducing activity in antimony and arsenic release from an unpolluted wetland soil: a lab scale study using sodium azide as a microbial inhibiting agent." Environmental Chemistry 13, no. 6 (2016): 945. http://dx.doi.org/10.1071/en16029.

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Environmental contextAntimony and arsenic are toxic elements occurring naturally in the environment. We found that arsenic release to water from an unpolluted wetland soil is related to microbial reducing activity only, whereas antimony can still be released when this activity is inhibited, suggesting the involvement of additional processes. The findings show that microbial/non-microbial mechanisms control arsenic and antimony release and can thereby impact water quality at wetland outlets. AbstractIn wetland soils, the mobility of geogenic metal(loid)s is usually associated with direct or indirect microbial-induced processes (solubilisation of mineral and organic components, pH induced desorption, competition effects, dissimilatory reduction). To identify the role of microbial reducing activity in As and Sb release, we conducted two series of soil incubations (sodium azide-treated (NaN3-T) and non-treated (NT)) in closed batches for 36 days. During the incubation period, we monitored the evolution of dissolved As, Sb, Mn, FeII, organic carbon (DOC), humic substances (HS) and proteins (PN) with their apparent molecular weight distribution (aMW) as well as pH, reduction potential (Eh) and alkalinity. Results showed that the release of As and Sb occurred when microbially reducing conditions prevailed (NT soil Eh ~0mV and FeII>40mg L–1) and was inhibited for As in the absence of microbial reducing activity (NaN3-T soil; Eh>250mV and Fe<1mg L–1). In contrast, Sb behaved differently since its release was only slowed down when microbially reducing conditions were inhibited. We concluded that soil microbial reducing activity fully controls the release of As and to a lesser extent that of Sb when NaN3 is used as a microbial inhibiting agent. Since Sb release and dissolved organic matter (DOM) solubilisation (NaN3-induced artefact) occurred simultaneously in the absence of microbially reducing conditions, we concluded that organic matter could be one key factor controlling Sb mobilisation in the given conditions, which is not the case for As.

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15

Marsili, Enrico, Staffan Kjelleberg, and Scott A. Rice. "Mixed community biofilms and microbially influenced corrosion." Microbiology Australia 39, no. 3 (2018): 152. http://dx.doi.org/10.1071/ma18046.

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Metals are used in most marine infrastructures for energy extraction and production. Metal corrosion is a serious concern, due to the environmental, safety, and replacement costs associated with it. Microbially influenced corrosion (MIC) contributes to the overall corrosion process, through several chemical, electrochemical and biochemical mechanisms, particularly in the presence of microbial biofilms. In this short article, we discuss briefly recent advances in MIC research, comparing corrosion in single species and mixed species biofilms, and outline possible strategies for biofilm and corrosion control.

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16

Rincón-Tomás, Blanca, Bahar Khonsari, Dominik Mühlen, Christian Wickbold, Nadine Schäfer, Dorothea Hause-Reitner, Michael Hoppert, and Joachim Reitner. "Manganese carbonates as possible biogenic relics in Archean settings." International Journal of Astrobiology 15, no. 3 (July 2016): 219–29. http://dx.doi.org/10.1017/s1473550416000264.

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AbstractCarbonate minerals such as dolomite, kutnahorite or rhodochrosite are frequently, but not exclusively generated by microbial processes. In recent anoxic sediments, Mn(II)carbonate minerals (e.g. rhodochrosite, kutnahorite) derive mainly from the reduction of Mn(IV) compounds by anaerobic respiration. The formation of huge manganese-rich (carbonate) deposits requires effective manganese redox cycling in an oxygenated atmosphere. However, putative anaerobic pathways such as microbial nitrate-dependent manganese oxidation, anoxygenic photosynthesis and oxidation in ultraviolet light may facilitate manganese cycling even in an early Archean environment, without the availability of oxygen. In addition, manganese carbonates precipitate by microbially induced processes without change of the oxidation state, e.g. by pH shift. Hence, there are several ways how these minerals could have been formed biogenically and deposited in Precambrian sediments. We will summarize microbially induced manganese carbonate deposition in the presence and absence of atmospheric oxygen and we will make some considerations about the biogenic deposition of manganese carbonates in early Archean settings.

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17

Okyay, Tugba O., Hang N. Nguyen, Sarah L. Castro, and Debora F. Rodrigues. "CO2 sequestration by ureolytic microbial consortia through microbially-induced calcite precipitation." Science of The Total Environment 572 (December 2016): 671–80. http://dx.doi.org/10.1016/j.scitotenv.2016.06.199.

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18

Polgári, Márta, and Ildikó Gyollai. "Comparative Study of Formation Conditions of Fe-Mn Ore Microbialites Based on Mineral Assemblages: A Critical Self- Overview." Minerals 12, no. 10 (October 9, 2022): 1273. http://dx.doi.org/10.3390/min12101273.

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The role of biogenicity in the mineral world is larger than many might assume. Biological processes and physical and chemical processes interact both at the Earth’s surface and far underground, leading to the formation of banded iron and manganese deposits, among others. Microbial mats can form giant sedimentary ore deposits, which include enrichment of further elements. This article reviews the ways in which microbially-mediated processes contribute to mineralization, the importance of mineralized microbial textural features, and the methods that must be used to obtain high-resolution datasets. If the chosen methodology and/or the size dimension of investigation is not appropriate, then it is not possible to recognize that a system is microbially mediated, and the conclusion will be incomplete. We call attention to variable authigenic mineralization as the result of complex mineralization of cells and extracellular polymeric substances in the starving basins, which form giant ore deposits together with ore-forming minerals. Microbial mats and other biosignatures can serve as indicators of environmental reconstruction in ore formations. We suggest tests and analyses that will allow the potential role of biomineralization to be properly investigated for a more comprehensive view of formation processes and their implications.

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19

Ezeh, Chukwuemeka Cornelius, Chinonye Jennifer Obi, and Anene Nwabu Moneke. "Application of microbial synthesized phytohormones in the management of environmental impacts on soils." Bio-Research 20, no. 1 (February 17, 2022): 1409–25. http://dx.doi.org/10.4314/br.v20i1.3.

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With the world's population growing at an exponential rate, pollution of the ecosystem by heavy metals from anthropogenic activities poses a major threat to agricultural and food security worldwide. Phytohormones are biochemical signal molecules that alter plant responses to different biotic and abiotic stresses. Exogenous use of microbially produced phytohormone in heavy metal remediation and stress tolerance induction, has gained popularity due to its environmental friendliness and sustainability. Microbially produced phytohormones have huge biotechnological potentials and have been exploited in phytoremediation assisted removal of heavy metals, and inducing stress tolerance to plants. This paper exhaustively discusses the remedial roles of microbial phytohormones in heavy metal removal and enhancing plant tolerance to stress. However, the exact mechanism of action and the genetic interplay during the process need to be further studied to better understand the specific key pathways involved in the process.

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20

Wackett, Lawrence P. "Microbially produced flavors and fragrances." Microbial Biotechnology 14, no. 6 (November 2021): 2711–12. http://dx.doi.org/10.1111/1751-7915.13961.

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21

Miller, Kathleen W. "Microbially mediated sulfidization of coal." Fuel 72, no. 12 (December 1993): 1663–66. http://dx.doi.org/10.1016/0016-2361(93)90352-3.

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22

Drewello, R., and R. Weissmann. "Microbially influenced corrosion of glass." Applied Microbiology and Biotechnology 47, no. 4 (April 14, 1997): 337–46. http://dx.doi.org/10.1007/s002530050937.

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23

Davison, B. H., D. M. Nicklaus, A. Misra, S. N. Lewis, and B. D. Faison. "Utilization of microbially solubilized coal." Applied Biochemistry and Biotechnology 24-25, no. 1 (March 1990): 447–56. http://dx.doi.org/10.1007/bf02920269.

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24

Friesen, Maren L., Stephanie S. Porter, Scott C. Stark, Eric J. von Wettberg, Joel L. Sachs, and Esperanza Martinez-Romero. "Microbially Mediated Plant Functional Traits." Annual Review of Ecology, Evolution, and Systematics 42, no. 1 (December 2011): 23–46. http://dx.doi.org/10.1146/annurev-ecolsys-102710-145039.

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25

Videla, Hector A., and William G. Characklis. "Biofouling and microbially influenced corrosion." International Biodeterioration & Biodegradation 29, no. 3-4 (January 1992): 195–212. http://dx.doi.org/10.1016/0964-8305(92)90044-o.

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26

Chaudhri, Apoorvi. "Microbially Derived Pectinases: A Review." IOSR Journal of Pharmacy and Biological Sciences 2, no. 2 (2012): 1–5. http://dx.doi.org/10.9790/3008-0220105.

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27

Little, B. J., D. J. Blackwood, J. Hinks, F. M. Lauro, E. Marsili, A. Okamoto, S. A. Rice, S. A. Wade, and H. C. Flemming. "Microbially influenced corrosion—Any progress?" Corrosion Science 170 (July 2020): 108641. http://dx.doi.org/10.1016/j.corsci.2020.108641.

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28

Song, Chenpeng, and Derek Elsworth. "Microbially Induced Calcium Carbonate Plugging for Enhanced Oil Recovery." Geofluids 2020 (July 2, 2020): 1–10. http://dx.doi.org/10.1155/2020/5921789.

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Plugging high-permeability zones within oil reservoirs is a straightforward approach to enhance oil recovery by diverting waterflooding fluids through the lower-permeability oil-saturated zones and thereby increase hydrocarbon displacement by improvements in sweep efficiency. Sporosarcina pasteurii (ATCC 11859) is a nitrogen-circulating bacterium capable of precipitating calcium carbonate given a calcium ion source and urea. This microbially induced carbonate precipitation (MICP) is able to infill the pore spaces of the porous medium and thus can act as a potential microbial plugging agent for enhancing sweep efficiency. The following explores the microscopic characteristics of MICP-plugging and its effectiveness in permeability reduction. We fabricate artificial rock cores composed of Ottawa sand with three separate grain-size fractions which represent large (40/60 mesh sand), intermediate (60/80 mesh sand), and small (80/120 mesh sand) pore sizes. The results indicate a significant reduction in permeability after only short periods of MICP treatment. Specifically, after eight cycles of microbial treatment (about four days), the permeability for the artificial cores representing large, intermediate, and small pore size maximally drop to 47%, 32%, and 16% of individual initial permeabilities. X-ray diffraction (XRD) indicates that most of the generated calcium carbonate crystals occur as vaterite with only a small amount of calcite. Imaging by SEM indicates that the pore wall is coated by a calcium carbonate film with crystals of vaterite and calcite scattered on the pore wall and acting to effectively plug the pore space. The distribution pattern and morphology of microbially mediated CaCO3 indicate that MICP has a higher efficiency in plugging pores compared with extracellular polymeric substances (EPSs) which are currently the primary microbial plugging agent used to enhance sweep efficiency.

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29

Kaksonen, Anna H., Naomi J. Boxall, Tsing Bohu, Kayley Usher, Christina Morris, Pan Yu Wong, and Ka Yu Cheng. "Recent Advances in Biomining and Microbial Characterisation." Solid State Phenomena 262 (August 2017): 33–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.262.33.

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Since the discovery of bioleaching microorganisms and their role in metal extraction in the 1940s, a number of technical approaches have been developed to enhance microbially catalysed solubilisation of metals from ores, concentrates and waste materials. Biomining has enabled the transformation of uneconomic resources to reserves, and thus help to alleviate the challenges related to continually declining ore grades. The rapid advancement of microbial characterisation methods has vastly increased our understanding of microbial communities in biomining processes. The objective of this paper is to review the recent advances in biomining processes and microbial characterisation.

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30

Ortiz-Bernad, Irene, Robert T. Anderson, Helen A. Vrionis, and Derek R. Lovley. "Resistance of Solid-Phase U(VI) to Microbial Reduction during In Situ Bioremediation of Uranium-Contaminated Groundwater." Applied and Environmental Microbiology 70, no. 12 (December 2004): 7558–60. http://dx.doi.org/10.1128/aem.70.12.7558-7560.2004.

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ABSTRACT Speciation of solid-phase uranium in uranium-contaminated subsurface sediments undergoing uranium bioremediation demonstrated that although microbial reduction of soluble U(VI) readily immobilized uranium as U(IV), a substantial portion of the U(VI) in the aquifer was strongly associated with the sediments and was not microbially reducible. These results have important implications for in situ uranium bioremediation strategies.

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31

Lehtola, Markku J., Ilkka T. Miettinen, Terttu Vartiainen, and Pertti J. Martikainen. "A New Sensitive Bioassay for Determination of Microbially Available Phosphorus in Water." Applied and Environmental Microbiology 65, no. 5 (May 1, 1999): 2032–34. http://dx.doi.org/10.1128/aem.65.5.2032-2034.1999.

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ABSTRACT The content of assimilable organic carbon has been proposed to control the growth of microbes in drinking water. However, recent results have shown that there are regions where it is predominantly phosphorus which determines the extent of microbial growth in drinking waters. Even a very low concentration of phosphorus (below 1 μg of P liter−1) can promote extensive microbial growth. We present here a new sensitive method to determine microbially available phosphorus concentrations in water down to 0.08 μg of P liter−1. The method is a bioassay in which the analysis of phosphorus in a water sample is based on maximum growth ofPseudomonas fluorescens P17 when the energy supply and inorganic nutrients, with the exception of phosphorus, do not limit bacterial growth. Maximum growth (CFU) in the water sample is related to the concentration of phosphorus with the factor 373,200 ± 9,400 CFU/μg of PO4-P. A linear relationship was found between cell growth and phosphorus concentration between 0.05 to 10 μg of PO4-P liter−1. The content of microbially available phosphorus in Finnish drinking waters varied from 0.1 to 10.2 μg of P liter−1 (median, 0.60 μg of P liter−1).

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Carpén, Leena, Pauliina Rajala, and Malin Bomberg. "Microbially Induced Corrosion in Deep Bedrock." Advanced Materials Research 1130 (November 2015): 75–78. http://dx.doi.org/10.4028/www.scientific.net/amr.1130.75.

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This paper covers an overview of recent research of microbially induced corrosion in Fennoscandian terrestrial deep bedrock groundwater environment. The assessment of microbially induced corrosion of metals in the deep bedrock environment has become important in evaluating the long-term safety of disposal of radioactive waste.

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33

Phan, Hoang C., Linda L. Blackall, and Scott A. Wade. "Effect of Multispecies Microbial Consortia on Microbially Influenced Corrosion of Carbon Steel." Corrosion and Materials Degradation 2, no. 2 (March 25, 2021): 133–49. http://dx.doi.org/10.3390/cmd2020008.

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Microbially influenced corrosion (MIC) is responsible for significant damage to major marine infrastructure worldwide. While the microbes responsible for MIC typically exist in the environment in a synergistic combination of different species, the vast majority of laboratory-based MIC experiments are performed with single microbial pure cultures. In this work, marine grade steel was exposed to a single sulfate reducing bacterium (SRB, Desulfovibrio desulfuricans) and various combinations of bacteria (both pure cultures and mixed communities), and the steel corrosion studied. Differences in the microbial biofilm composition and succession, steel weight loss and pitting attack were observed for the various test configurations studied. The sulfate reduction phenotype was successfully shown in half-strength marine broth for both single and mixed communities. The highest corrosion according to steel weight loss and pitting, was recorded in the tests with D. desulfuricans alone when incubated in a nominally aerobic environment. The multispecies microbial consortia yielded lower general corrosion rates compared to D. desulfuricans or for the uninoculated control.

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Ren, Zhiyong, Hengjing Yan, Wei Wang, Matthew M. Mench, and John M. Regan. "Characterization of Microbial Fuel Cells at Microbially and Electrochemically Meaningful Time scales." Environmental Science & Technology 45, no. 6 (March 15, 2011): 2435–41. http://dx.doi.org/10.1021/es103115a.

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35

Lehtola, M. "Microbially available organic carbon, phosphorus, and microbial growth in ozonated drinking water." Water Research 35, no. 7 (May 2001): 1635–40. http://dx.doi.org/10.1016/s0043-1354(00)00449-8.

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36

Minto, James M., Qian Tan, Rebecca J. Lunn, Gráinne El Mountassir, Hongxian Guo, and Xiaohui Cheng. "‘Microbial mortar’-restoration of degraded marble structures with microbially induced carbonate precipitation." Construction and Building Materials 180 (August 2018): 44–54. http://dx.doi.org/10.1016/j.conbuildmat.2018.05.200.

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37

Zhang, Jin-Na, Qing-Liang Zhao, Peter Aelterman, Shi-Jie You, and Jun-Qiu Jiang. "Electricity generation in a microbial fuel cell with a microbially catalyzed cathode." Biotechnology Letters 30, no. 10 (June 18, 2008): 1771–76. http://dx.doi.org/10.1007/s10529-008-9751-0.

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38

Senthilmurugan, Balasubramanian, Jayaprakash Sandhala Radhakrishnan, Morten Poulsen, Victor Hugo Arana, Misfera Al‐Qahtani, and Abdullah Fadel Jamsheer. "Microbially induced corrosion in oilfield: microbial quantification and optimization of biocide application." Journal of Chemical Technology & Biotechnology 94, no. 8 (May 29, 2019): 2640–50. http://dx.doi.org/10.1002/jctb.6073.

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39

Lewandowski, Z., R. Bakke, and W. G. Characklis. "Nitrification and Autotrophic Denitrification in Calcium Alginate Beads." Water Science and Technology 19, no. 1-2 (January 1, 1987): 175–82. http://dx.doi.org/10.2166/wst.1987.0199.

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Immobilization of nitrifiers and autotrophic denitrifiers (Thiobacillus denitrificans) within calcium alginate gel was demonstrated. Calcium carbonate reagent was immobilized along with bacteria as the stabilizing agent. Protons released as a result of microbial respiration reacted with calcium carbonate producing calcium ions which internally stabilized the calcium alginate gel. The microbially active gel beads were mechanically stable and active for three months in a continuous flow system without addition of calcium.

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40

Bertham, Yudhi Harini, Abimanyu Dipo Nusantara, Bambang Gonggo Murcitro, and Zainal Arifin. "PERUBAHAN KARAKTERISTIK TANAH DAN PENAMPILAN BEBERAPA VARIETAS PADI GOGO PADA KAWASAN PESISIR DENGAN PENAMBAHAN PUPUK HAYATI DAN BIOKOMPOS." Jurnal Ilmu-Ilmu Pertanian Indonesia 22, no. 2 (December 3, 2020): 79–84. http://dx.doi.org/10.31186/jipi.22.2.79-84.

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[CHANGE IN SOIL CHARATERISTICS AND PERFORMANCE OF UPLAND RICE VARIETIES IN COASTAL AREA AS AMENDED WITH BIOFERTILIZER AND BIOCOMPOST]. Dryland in the coastal area has good potential for the cultivation of upland rice to reach food self-sufficiency and the development of future agriculture. Low fertility of the land the area can be overcome by using appropriate technology such as the use of superior varieties, bio-fertilizers, and bio compost. This study aimeds to (1) determine chemical and biological properties of coastal land to improve the growth of upland rice (2) find out the growth of upland rice in the coastal area using low input technology and (3) obtain upland rice varieties with high adaptability to a coastal area environment. The experimental design used was a split-plot design with the main plot of 3 upland rice varieties, namely Inpago 10, Serantan, and Local Variety, while the subplots are were fertilizer inputs namely [double inoculant P solubilized microbial p (pf) + K solubilized microbially + N fixation microbial N], [double inoculant P solubilized microbial (fma) + K solubilized microbially + N fixation micarobia], [biocompost at a dose of 10 tons/ha], and [inorganic fertilizer recommended by BPTP ie 200 kg Urea/ha, 100 kg SP36/ha, 100 kg KCl/ha]. The results showed that the coastal area has the potential for the development of upland rice cultivation. Also, the double inoculants of biological fertilizers were able to increase plant nutrient uptake, soil biological characteristics, and the growth of upland rice as compared to controls. Specifically, the best treatment is produced by application of [double inoculant microbial solvent p (pf) + microbial solvent K + microbial N fixation] combined with upland rice Inpago variety 10.

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41

Natarajan, K. A. "Biofouling and Microbially Influenced Corrosion of Stainless Steels." Advanced Materials Research 794 (September 2013): 539–51. http://dx.doi.org/10.4028/www.scientific.net/amr.794.539.

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Stainless steels are among the most investigated materials on biofouling and microbially-influenced corrosion (MIC). Although, generally corrosion-resistant owing to tenacious and passive surface film due to chromium, stainless steels are susceptible to extensive biofouling in sub-soil, fresh water and sea water and chemical process environments. Biofilms influence their corrosion behavior due to corrosion potential ennoblement and sub-surface pitting. Both aerobic and anaerobic microorganisms catalyse microbial corrosion of stainless steels through biotic and abiotic mechanisms. MIC of stainless steels is common adjacent to welds at the heat-affected zone. Both austenite and delta ferrite phases may be susceptible. Even super stainless steels are found to be amenable to biofouling and MIC. Microbiological, electrochemical as well as physicochemical aspects of MIC pertaining to stainless steels in different environments are analyzed.

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42

Lin, Wenbin, Wei Lin, Xiaohui Cheng, Guozhou Chen, and Yusuf Cagatay Ersan. "Microbially Induced Desaturation and Carbonate Precipitation through Denitrification: A Review." Applied Sciences 11, no. 17 (August 25, 2021): 7842. http://dx.doi.org/10.3390/app11177842.

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Microbially induced carbonate precipitation (MICP) has been proposed as a sustainable approach to solve various environmental, structural, geotechnical and architectural issues. In the last decade, a ubiquitous microbial metabolism, nitrate reduction (also known as denitrification) got attention in MICP research due to its unique added benefits such as simultaneous corrosion inhibition in concrete and desaturation of porous media. The latter even upgraded MICP into a more advanced concept called microbially induced desaturation and precipitation (MIDP) which is being investigated for liquefaction mitigation. In this paper, we present the findings on MICP through denitrification by covering applications under two main titles: (i) applications solely based on MICP, such as soil reinforcement, development of microbial self-healing concrete, restoration of artwork and historical monuments, and industrial wastewater treatment, (ii) an application based on MIDP: liquefaction mitigation. After explaining the denitrification process in detail and describing the MICP and MIDP reaction system occurring through denitrification metabolism, the most recent advances in each potential field of application are collected, addressing the novel findings and limitations, to provide insights toward the practical applications in situ. Finally, the research needs required to deal with the defined challenges in application-oriented upscaling and optimization of MICP through denitrification are suggested. Overall, collected research findings revealed that MICP through denitrification possesses a great potential to replace conventionally used petrochemical-based, labour intensive, destructive and economically unfeasible techniques used in construction industry with a bio-based, labourless, low-carbon technology. This worldwide applicable bio-based technology will facilitate the sustainable development and contribute to the carbon-emission-reduction.

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43

Li, Mengmeng, Hongshi Ma, Fei Han, Dong Zhai, Bingjun Zhang, Yuhua Sun, Tian Li, Lei Chen, and Chengtie Wu. "Microbially Catalyzed Biomaterials for Bone Regeneration." Advanced Materials 33, no. 49 (October 10, 2021): 2104829. http://dx.doi.org/10.1002/adma.202104829.

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44

Kang, Serku, Yumi Kim, Young Jae Lee, and Yul Roh. "Microbially Induced Precipitation of Strontianite Nanoparticles." Journal of Nanoscience and Nanotechnology 15, no. 7 (July 1, 2015): 5362–65. http://dx.doi.org/10.1166/jnn.2015.10413.

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45

Videla, Hector A. "Microbially induced corrosion: an updated overview." International Biodeterioration & Biodegradation 48, no. 1-4 (January 2001): 176–201. http://dx.doi.org/10.1016/s0964-8305(01)00081-6.

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46

Guezennec, J. G. "Cathodic protection and microbially induced corrosion." International Biodeterioration & Biodegradation 34, no. 3-4 (January 1994): 275–88. http://dx.doi.org/10.1016/0964-8305(94)90088-4.

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47

Klaus, T., R. Joerger, E. Olsson, and C. G. Granqvist. "Silver-based crystalline nanoparticles, microbially fabricated." Proceedings of the National Academy of Sciences 96, no. 24 (November 23, 1999): 13611–14. http://dx.doi.org/10.1073/pnas.96.24.13611.

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48

Flannery, David T., Abigail C. Allwood, Robert Hodyss, Roger Everett Summons, Michael Tuite, Malcolm R. Walter, and Kenneth H. Williford. "Microbially influenced formation of Neoarchean ooids." Geobiology 17, no. 2 (November 18, 2018): 151–60. http://dx.doi.org/10.1111/gbi.12321.

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49

Differding, Moira K., and Noel T. Mueller. "Are household disinfectants microbially mediated obesogens?" Canadian Medical Association Journal 190, no. 37 (September 16, 2018): E1095—E1096. http://dx.doi.org/10.1503/cmaj.181134.

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Shaffer, Justin P., Louis-Félix Nothias, Luke R. Thompson, Jon G. Sanders, Rodolfo A. Salido, Sneha P. Couvillion, Asker D. Brejnrod, et al. "Standardized multi-omics of Earth’s microbiomes reveals microbial and metabolite diversity." Nature Microbiology 7, no. 12 (November 28, 2022): 2128–50. http://dx.doi.org/10.1038/s41564-022-01266-x.

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AbstractDespite advances in sequencing, lack of standardization makes comparisons across studies challenging and hampers insights into the structure and function of microbial communities across multiple habitats on a planetary scale. Here we present a multi-omics analysis of a diverse set of 880 microbial community samples collected for the Earth Microbiome Project. We include amplicon (16S, 18S, ITS) and shotgun metagenomic sequence data, and untargeted metabolomics data (liquid chromatography-tandem mass spectrometry and gas chromatography mass spectrometry). We used standardized protocols and analytical methods to characterize microbial communities, focusing on relationships and co-occurrences of microbially related metabolites and microbial taxa across environments, thus allowing us to explore diversity at extraordinary scale. In addition to a reference database for metagenomic and metabolomic data, we provide a framework for incorporating additional studies, enabling the expansion of existing knowledge in the form of an evolving community resource. We demonstrate the utility of this database by testing the hypothesis that every microbe and metabolite is everywhere but the environment selects. Our results show that metabolite diversity exhibits turnover and nestedness related to both microbial communities and the environment, whereas the relative abundances of microbially related metabolites vary and co-occur with specific microbial consortia in a habitat-specific manner. We additionally show the power of certain chemistry, in particular terpenoids, in distinguishing Earth’s environments (for example, terrestrial plant surfaces and soils, freshwater and marine animal stool), as well as that of certain microbes including Conexibacter woesei (terrestrial soils), Haloquadratum walsbyi (marine deposits) and Pantoea dispersa (terrestrial plant detritus). This Resource provides insight into the taxa and metabolites within microbial communities from diverse habitats across Earth, informing both microbial and chemical ecology, and provides a foundation and methods for multi-omics microbiome studies of hosts and the environment.

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