Results 51 to 60 of about 306,103 (194)

Multiple approaches to enhance the cultivability of bacteria associated with the marine sponge Haliclona (gellius) sp [PDF]

open access: yes, 2011
Three methods were examined to cultivate bacteria associated with the marine sponge Haliclona (gellius) sp.: agar plate cultures, liquid cultures, and floating filter cultures.
Yang, Y.   +11 more
core   +1 more source

Characterization and genomic analysis of two novel psychrotolerant Acidithiobacillus ferrooxidans strains from polar and subpolar environments

open access: yesFrontiers in Microbiology, 2022
The bioleaching process is carried out by aerobic acidophilic iron-oxidizing bacteria that are mainly mesophilic or moderately thermophilic. However, many mining sites are located in areas where the mean temperature is lower than the optimal growth ...
Claudia Muñoz-Villagrán   +8 more
doaj   +1 more source

Environmental pollution and sustainable restoration of the Yamuna River: A review of water quality, health risks, and phycoremediation

open access: yesRiver, Volume 5, Issue 3, Page 398-418, August 2026.
Abstract The Yamuna River, one of India's most significant river systems and the largest tributary of the Ganges River, serves critical ecological, socio‐economic, and cultural functions. However, rapid urbanization, industrialization, and intensive agriculture have severely degraded its water quality, resulting in extensive pollution with untreated ...
Dharmendra Kumar   +6 more
wiley   +1 more source

Enrichment Cultures of Extreme Acidophiles with Biotechnological Potential

open access: yesMining
The purpose of this work was to obtain specialized enrichment cultures from an original extreme acidophilic consortium of extremely acidophilic microorganisms and to study their microbial community composition and biotechnological potential.
Khussain Valiyev   +6 more
doaj   +1 more source

Soil Contamination Around the Copper Smelter and the Use of Soil Microarthropods as Bioindicators

open access: yesLand Degradation &Development, Volume 37, Issue 15, Page 11384-11403, September 2026.
ABSTRACT Soil contamination from smelter emissions, including heavy metals (HM), rare earth elements (REEs), and sulfur, poses a significant threat to soil ecosystems. In the immediate vicinity of the Głogów Copper Smelter, HM concentrations were several times higher than in more distant forest stands.
Jacek Malica   +10 more
wiley   +1 more source

Biodiversity and Antimicrobial Potential of Acidophilic and Acidotolerant Actinomycetes

open access: yesАнтибиотики и Химиотерапия
The spread of antibiotic resistance in pathogenic microorganisms is one of the main problems of modern medicine. Given the unique metabolic properties of extremophilic microorganisms, the search for producers of new antimicrobial compounds among ...
A. V. Chumak, O. N. Sineva
doaj   +1 more source

MICROFOSSILS FROM RELICT MESOARCHEAN PALEOSOL DEVELOPED ON KOMATIITES FROM KOIKARY AREA, CENTRAL KARELIA

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2017
Relics of the paleosol of Mesoarchean age (3000–2930 Ma) developed on tuffs and lavas of komatiites from Koikary Area (Central Karelia) were studied.
Светлана Юрьевна Чаженгина   +9 more
doaj   +1 more source

Understanding Stress Response to High-Arsenic Gold-Bearing Sulfide Concentrate in Extremely Metal-Resistant Acidophile Sulfobacillus thermotolerans

open access: yesMicroorganisms, 2020
Biooxidation of gold-bearing arsenopyrite concentrates, using acidophilic microbial communities, is among the largest commercial biohydrometallurgical processes.
Anna Panyushkina   +2 more
doaj   +1 more source

Coal Mine Wastewater as a Secondary Resource: Advances in Treatment and Value Recovery Technologies

open access: yesEnvironmental Quality Management, Volume 36, Issue 3, September 2026.
ABSTRACT Coal mine wastewater, which has historically been considered an environmental problem, is becoming more widely recognized as a secondary resource with substantial value recovery potential. Nevertheless, recent progress demonstrates that this wastewater could be converted into highly useful, industrially available pigments (like iron oxides) by
Mokgadi G. Rapeta   +3 more
wiley   +1 more source

A Systematic Approach to Bacterial Phylogeny Using Order Level Sampling and Identification of HGT Using Network Science [PDF]

open access: yes, 2020
Reconstructing and visualizing phylogenetic relationships among living organisms is a fundamental challenge because not all organisms share the same genes.
Ehdieh Khaledian   +7 more
core   +1 more source

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