Bacteria
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The outcomes are to be compared with typical drugs given that compounds are examined against gram-positive and gram-negative strains of bacteria and fungus. Against bacterial strains, products with nitro, methyl, and bromo substituents in the p-position of the benzene ring, as well as products with the nitro group at the m-position, showed very excellent activities against bacterial strains, while compounds with chloro substituent at p-position and m-position demonstrated good activity against the fungal strains Aspergillus niger and Fusarium javanicum.
8p dianmotminh02 03-05-2024 5 1 Download
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Rhizobia topic has been re-focused in recent years because of new findings on their traits not only as nitrogen-fixing bacteria but also as plant growth-promoting rhizobacteria. When combing rhizobial strains with novel biological carriers (e.g., biochar) for inoculant production, it brings great potential for improving soil health in long-term.
29p vibego 02-02-2024 2 1 Download
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Trong các năm gần đây, nồng độ khí methane tăng lên đột biến do các hoạt động sản xuất nông nghiệp, trong đó chăn nuôi có nguồn phát thải khí methane đáng kể, một trong những tác nhân chính gây ra sự phá hủy tầng ozone. Ở nghiên cứu này đã phân lập và sàng lọc được một số chủng vi khuẩn có khả năng oxy hóa methane (Methane Oxidizing Bacteria - MOB).
10p vispacex 16-11-2023 9 3 Download
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The aim of this research was to investigate the formation of hydrogen sulphide for different sewage characteristics and flow rates. An experimental set-up was developed to simulate a section of a gravity sewer pipe, the set-up comprised of a pipe of 2 m long and 155 mm inside diameter, referred to in this thesis as a laboratory sewer pipe. The first stage of the experimental program involved developing a biological growth rich in sulphate-reducing bacteria inside the laboratory sewer pipe using synthetic sewage.
131p runthenight07 01-03-2023 6 3 Download
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This study proceeded to address the following objectives: To evaluate the effect of gas composition commonly used in modified atmosphere packaging (80% O2 and 20% CO2) on the shelf life of beef patties; to formulate an optimal solution containing natural antioxidant and antimicrobial preservatives and to study the effect of this combination and MAP on physiochemical attributes (surface colour (chroma, hue angle), metmyoglobin and oxmyoglobin contents, lipid stability) of fresh beef patties; to evaluate the effect of combined antioxidant – antimicrobial natural preservative and MAP on packag...
95p runthenight04 02-02-2023 1 1 Download
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In this Masters thesis computational modelling techniques were employed to investigate iron-free apo-Lactoferrin (apo-Lf) structural conformation changes in the presence of variant temperature and pH. These conditions represent the environment most milk protein goes through in food processing and the production of food products.
162p runthenight04 02-02-2023 6 2 Download
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The thesis investigates the growth promoting effects of plant growth promoting bacteria (PGPB) in chickpea and wheat. Three main topics covered are: 1) Isolating local Plant Growth Promoting Bacteria; 2) Screening and characterization of isolates; 3) Assessment and identification of the selected strains.
107p runthenight04 02-02-2023 9 4 Download
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Fluctuation of associated microbial with building reef corals Acropora sp. from Hang Rai, Ninh Thuan
In conclusion, symbiotic algae tend to be species-specific, whereas bacteria fluctuate significantly over sampling time. Studying the molecular issues of microalgae, the presence, the role of some groups of bacteria involved in the N, C, P, and S cycles, and the influence of environmental parameters should also be encouraged to understand the relationship of coral holobiont better.
12p vipagani 24-10-2022 7 3 Download
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The research article "Polyester production by halophilic and halotolerant bacterial strains obtained from mangrove soil samples located in Northern Vietnam" reports halophilic and halotolerant bacteria isolated from mangrove forests located in Northern Vietnam. Several of these bacteria were able to synthesize polyhydroxyalkanoates (PHAs). PHAs are polyesters stored by microorganisms under the presence of considerable amounts of a carbon source and deficiency of other essential nutrient such as nitrogen or phosphorous.
12p runordie3 27-06-2022 10 3 Download
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Hai chủng vi khuẩn lên men lactic (LAB) Lactobacillus sp. L5 và Lactobacillus sp. C1 được phân lập từ nem chua và cơm mẻ thể hiện khả năng ức chế nấm mốc nhiễm bánh mì Aspergillus niger khi khảo sát in vitro. Hai chủng này được sử dụng đồng lên men với nấm men làm nổi bột nhằm kéo dài thời gian bảo quản và cải thiện chất lượng bánh mì.
6p vikissinger 03-03-2022 21 5 Download
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Hai chủng vi khuẩn lên men lactic (LAB) Lactobacillus sp. L5 và Lactobacillus sp. C1 được phân lập từ nem chua và cơm mẻ thể hiện khả năng ức chế nấm mốc nhiễm bánh mì Aspergillus niger khi khảo sát in vitro. Hai chủng này được sử dụng đồng lên men với nấm men làm nổi bột nhằm kéo dài thời gian bảo quản và cải thiện chất lượng bánh mì.
5p viclerkmaxwel 16-02-2022 21 3 Download
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The association between specific bacteria and colorectal cancer (CRC) has been proposed. Only a few studies have, however, investigated this relationship directly in colorectal tissue with conflicting results. So, we aimed to quantitative Streptococcus gallolyticus, Fusobacterium spp, Enterococcus faecalis and enterotoxigenic Bacteroides fragilis (ETBF) in formalin-fixed and paraffin-embedded (FFPE) colorectal tissue samples of Iranian CRC patients and healthy controls.
7p vielonmusk 21-01-2022 16 0 Download
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Higher resistance was observed in food samples than in clinical ones. Moreover, 13 and 3 multidrug resistant serotypes of Salmonella were identified for the first time in Lebanon in the food and clinical samples respectively, with three of them isolated from imported food samples.
5p mudbound 10-12-2021 8 1 Download
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The present researchaimed to investigate the morphological, biochemical and genotypic characterization of dominant lactic acid bacteria that were isolated from traditional dairy products in Iranian tribes . A total of 75 samples of traditional yogurt, doogh from dairy units in Fars province were randomly collected. Isolation of lactic acid bacteria, biochemical and genotypic identification were conducted. Totally, 157 LAB isolates were selected.
6p mudbound 10-12-2021 28 1 Download
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These results revealed strain-dependent antifungal activity. Our study indicates that the use of these lactic acid bacteria can be applied as a biocontrol of fungal growth and mycotoxins production.
6p mudbound 10-12-2021 4 1 Download
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They can survive in a highly competitive microbial environment. Bacteriocins attack their targeted bacterial cells through different mechanisms. Understanding different mechanisms that induced cell death will enable researchers to develop methodologies to limit this life-threatening problem.
10p mudbound 10-12-2021 12 1 Download
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The results revealed that the Invitro release within 24 hours of chitosan nanoparticles conjugate bacteriocin was controlled by about (79%) with cumulative and sustained effect when compared with free bacteriocin (94%).
7p mudbound 10-12-2021 7 1 Download
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Bacteria-based biotechnological processes are applied to minimize the content of CNG in food products. For the usability and identification of the added value of plant food resources, it is important to know the functions and importance of antinutritional components of metabolism with a consequent impact on nutrition and health. In the review we provided a comprehensive view of the importance and potential of CNG in plants with a focus on food resources, where the model object was presented by linseed.
8p mudbound 10-12-2021 12 1 Download
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In addition, mucus has antioxidant activity to reduce mucosal damage caused by factors produced by bacteria and immunocytes (Grisham et al., 1987). Eicosanoid bioactive lipids that include prostaglandins, leukotrienes and thromboxanes play an essential role in gastric physiology.
215p spiritedaway36 26-11-2021 9 2 Download
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Polyhydroxyalkanoate (PHA) is stored as an important carbon and energy source in bacterial cells. For biomedical applications, gram-positive bacteria can be better sources of PHAs, since they lack outer membrane lipopolysaccharide. Although gram-positive Streptomyces coelicolor A3(2) has been indicated as a high potential PHA producer, phaC gene that encodes the key enzyme PHA synthase in the metabolic pathway is not determined in its genome.
12p thiencuuchu 27-11-2021 17 1 Download