World Journal of Microbiology and Biotechnology This is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.

Bioremediation of an industrial soil contaminated by hydrocarbons in microcosm system, involving bioprocesses utilizing co-products and agro-industrial wastes
AbstractThe present study describes practical implication of bioaugmentation and biostimulation processes for bioremediation of an industrial soil chronically contaminated by hydrocarbons. For this purpose, biomass production of six autochthonous hydrocarbon-degrading bacteria were evaluated as inoculum of bioaugmentation strategy, by testing carbon and nitrogen sources included co-products and agro-industrial waste as sustainable and low-cost components of the growth medium. Otherwise, biostimulation was approached by the addition of optimized concentration of nitrogen and phosphorus. Microcosm assays showed that total hy...
Source: World Journal of Microbiology and Biotechnology - September 29, 2023 Category: Microbiology Source Type: research

Recent advances in the production, properties and applications of haloextremozymes protease and lipase from haloarchaea
AbstractProteases and lipases are significant groups of enzymes for commercialization at the global level. Earlier, the industries depended on mesophilic proteases and lipases, which remain nonfunctional under extreme conditions. The discovery of extremophilic microorganisms, especially those belonging to haloarchaea, paved a new reserve of industrially competent extremozymes. Haloarchaea or halophilic archaea are polyextremophiles of domainArchaea that grow at high salinity, elevated temperature, pH range (pH 6 –12), and low aw. Interestingly, haloarchaeal proteolytic and lipolytic enzymes also perform their catalytic f...
Source: World Journal of Microbiology and Biotechnology - September 27, 2023 Category: Microbiology Source Type: research

High frequency of carbapenemase in extensively drug-resistant Acinetobacter baumannii isolates in central Iran
ConclusionHigh frequencies of XDRA. baumannii and CRAB (96.5%) were detected in central Iran. Quick and accurate diagnosis, appropriate isolation of patients colonized or infected by CRAB isolates, application of accurate and effective infection control policies and programs, and appropriate preventive measures are deemed helpful in preventing the further spread of these resistant and clinically highly relevant strains. (Source: World Journal of Microbiology and Biotechnology)
Source: World Journal of Microbiology and Biotechnology - September 27, 2023 Category: Microbiology Source Type: research

Bacterial diseases in marine fish species: current trends and future prospects in disease management
AbstractThe fisheries sub-sector of aquaculture —i.e., the pisciculture industry, contributes significantly to a country’s economy, employing a sizable proportion of the population. It also makes important contributions to household food security because the current demand for animal protein cannot be fulfilled by harvesting wild fish from ri verines, lakes, dams, and oceans. For good pond management techniques and sustaining fish health, the fisherfolk, and the industry require well-established regulatory structures, efficient disease management strategies, and other extended services. In rearing marine fish, infectio...
Source: World Journal of Microbiology and Biotechnology - September 25, 2023 Category: Microbiology Source Type: research

Molecular docking and antibacterial activity of Sargassum fusiforme extracts against major coral pathogens
AbstractThe present study evaluates the antibacterial properties of alkaloids and the crude extracts (ethanol, n-hexane and ethyl acetate) from seaweedSargassum fusiforme against coral pathogens (Photobacterium galatheae,Vibrio harveyi,Bordetella trematum, andOchrobactrum pseudogrignonese) isolated from coralPorites lutea. To our knowledge, this is the first in vitro assay for such extracts onPorites lutea coral pathogens. Bacterial pathogens have been identified using 16S RNA and BankIt into gene bank and given the accession numbers (OR401000; OR401001; OR401336, and OR400998 respectively). GC-Mass profiling conducted fo...
Source: World Journal of Microbiology and Biotechnology - September 25, 2023 Category: Microbiology Source Type: research

Valorization of tuberose flower waste through development of therapeutic products using supercritical carbon dioxide extraction and microencapsulation technologies
AbstractTuberose flowers (Calcutta Single variety) valued as ornamentals globally, have short shelf-lives of 8 days at 4  ± 1 °C and are therefore discarded post senescence. Previous investigations from our laboratory have established that a combination treatment using GRAS preservatives [(sucrose (4%) and CaCl2 (0.02%)]-cum-gamma-irradiation (0.02  kGy) could extend its shelf-life to 24 days, when stored at 4 ± 1 °C with concomitant enhancement in the content of its bioactive principle, viz. methyl eugenol. Supercritical carbon dioxide (SC-CO2) extract of the tuberose flower wastes post combination treatmen...
Source: World Journal of Microbiology and Biotechnology - September 25, 2023 Category: Microbiology Source Type: research

Valorization of oily sludge waste using biosurfactant-producing bacteria
This study demonstrates a methodology for the valorization of the oily sludge that allows the recovery of oil fractions by the action of microbes producing surface-active metabolites. Two bacterial isolates were used in the study that were producing different biosurfactants, identified via FTIR analysis as well as through genomic mapping of the biosurfactant pathways using RAST, ANTISMASH 7.0, STRING databases.Serratia spp. AKBS12, produced a mono-rhamnolipid, whileAcinetobacter spp. AKBS16, produced emulsan. Although recovery efficiency of both biosurfactants was similar, the recovery profile with respect to the class of ...
Source: World Journal of Microbiology and Biotechnology - September 25, 2023 Category: Microbiology Source Type: research

Importance of microbial amphiphiles: interaction potential of biosurfactants, amyloids, and other exo-polymeric-substances
In this report, the ecological importance and biotechnological usage of important amphiphiles have been discussed. The low molecular weight amphiphiles like biosurfactants, siderophores, and peptides showing helical and antimicrobial activities have been extensively reported for their ability to work as quorum-sensing mediators. While high molecular weight amphiphiles make up amyloid fibers, exopolysaccharides, liposomes, or magnetosomes have been shown to have a significant influence in deciding microbial physiology and survival. In this report, we have discussed the functional similarities and biochemical variations of s...
Source: World Journal of Microbiology and Biotechnology - September 25, 2023 Category: Microbiology Source Type: research

Comprehensive bacterial-metabolite profiles of Hawaijar, Bekang, and Akhone: a comparative study on traditional fermented soybeans of north-east India
AbstractPreparation of traditionally fermented soybeans varies across ethnicities with distinct tastes, flavour, and nutritional values. The fermented soybean varietiesHawaijar,Bekang, andAkhone of north-east India are associated with diverse ethnic groups from Manipur, Mizoram, and Nagaland, respectively. These varieties differ in substrate and traditional practice that exerts differential bacterial-metabolite profile, which needs an in-depth analysis i. Culture-dependent and independent techniques investigated the bacterial diversity of the fermented soybean varieties. Gas chromatography and mass spectroscopy (GC-MS) stu...
Source: World Journal of Microbiology and Biotechnology - September 22, 2023 Category: Microbiology Source Type: research

The role of fruits as reservoirs for resistant and virulent strains of opportunistic yeasts
AbstractStrains of theCandida parapsilosis andMeyerozyma guilliermondii species complexes isolated from the internal tissues of 26 fruit species from 21 countries were evaluated for their susceptibility to conventional antifungal compounds (fluconazole, voriconazole, amphotericin B) and hydrolytic activity. A total of 144 strains were studied. Resistance to at least one of the antifungal compounds tested was found in 26.4% of the endophytic strains examined. Most of the strains were insensitive to fluconazole. Multiresistance was detected only in two strains ofC. parapsilosis sensu stricto from tropical apples. Phospholipa...
Source: World Journal of Microbiology and Biotechnology - September 21, 2023 Category: Microbiology Source Type: research

Growth patterns of Pseudomonas aeruginosa in milk fortified with chitosan and selenium nanoparticles during refrigerated storage
In conclusion, we suggest employing chitosan and selenium nanoparticles to improve milk safety and recommend future studies for the fate of nanoparticles in milk. (Source: World Journal of Microbiology and Biotechnology)
Source: World Journal of Microbiology and Biotechnology - September 21, 2023 Category: Microbiology Source Type: research

Antagonistic and protective activity of Lactobacillus plantarum strain 17  M against E. amylovora
This study confirms the potential use of strain 17 M as an active microbial agent to combat fire blight of fruit crops in Kazakhstan. (Source: World Journal of Microbiology and Biotechnology)
Source: World Journal of Microbiology and Biotechnology - September 21, 2023 Category: Microbiology Source Type: research

Diversity and functional annotation of microorganisms in anaerobic chamber treating nitrate-rich wastewater
AbstractThe vertical flow constructed wetlands (VFCW) for the treatment of domestic wastewater has become a conventional and cost effective treatment system with one of the major disadvantage of elevated nitrate concentrations. The present study makes an effort in providing a new design of anaerobic denitrification unit termed as anaerobic chamber (AC) which  was introduced after two-stage VFCW to remove nitrates from the treated wastewater (WW). The AC provided all the essential conditions of effective denitrification such as anaerobic environment with enough carbon and nitrogen source. To understand the pollutant remova...
Source: World Journal of Microbiology and Biotechnology - September 19, 2023 Category: Microbiology Source Type: research

A mini-review on indigenous microbial biofilm from various wastewater for heavy-metal removal - new trends
AbstractBiofilm, as a form of the microbial community in nature, represents an evolutionary adaptation to the influence of various environmental conditions. In nature, the largest number of microorganisms occur in the form of multispecies biofilms. The ability of microorganisms to form a biofilm is one of the reasons for antibiotic resistance. The creation of biofilms resistant to various contaminants, on the other hand, improves the biological treatment process in wastewater treatment plants. Heavy metals cannot be degraded, but they can be transformed into non-reactive and less toxic forms. In this process, microorganism...
Source: World Journal of Microbiology and Biotechnology - September 16, 2023 Category: Microbiology Source Type: research

Evaluating β-cryptoxanthin antioxidant properties against ROS-induced macromolecular damages and determining its photo-stability and in-vitro SPF
This study investigated the antioxidant property of β-cryptoxanthin (β-CRX) extracted from Kocuria marina DAGII and its protective effect against macromolecular damages by generating ROS via two models: UV radiation and the Fenton reaction. β-cryptoxanthin exhibited the highest scavenging activity towards hydrogen peroxide radicals with an IC50 value of 38.30  ± 1.13 μg/ml, favoring the hydrogen atom transfer mechanism. The total antioxidant capacity value of 872.0101 ± 1.84 μg BHT/mg β-CRX indicated the cumulative ROS scavenging ability of β-cryptoxanthin. β-cryptoxanthin could protect against ROS-in...
Source: World Journal of Microbiology and Biotechnology - September 16, 2023 Category: Microbiology Source Type: research