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Relevant bibliographies by topics / Alkalophilic bacteria

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Academic literature on the topic 'Alkalophilic bacteria'

Author: Grafiati

Published: 3 June 2025

Last updated: 23 June 2025

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Journal articles on the topic "Alkalophilic bacteria"

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Krulwich, T. A., and A. A. Guffanti. "Alkalophilic Bacteria." Annual Review of Microbiology 43, no. 1 (1989): 435–63. http://dx.doi.org/10.1146/annurev.mi.43.100189.002251.

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Krulwich, Terry Ann. "Bioenergetics of alkalophilic bacteria." Journal of Membrane Biology 89, no. 2 (1986): 113–25. http://dx.doi.org/10.1007/bf01869707.

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Yasuhira, Kengo, Yasuhito Tanaka, Hiroshi Shibata, et al. "6-Aminohexanoate Oligomer Hydrolases from the Alkalophilic Bacteria Agromyces sp. Strain KY5R and Kocuria sp. Strain KY2." Applied and Environmental Microbiology 73, no. 21 (2007): 7099–102. http://dx.doi.org/10.1128/aem.00777-07.

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ABSTRACT Alkalophilic, nylon oligomer-degrading strains, Agromyces sp. and Kocuria sp., were isolated from the wastewater of a nylon-6 factory and from activated sludge from a sewage disposal plant. The 6-aminohexanoate oligomer hydrolases (NylC) from the alkalophilic strains had 95.8 to 98.6% similarity to the enzyme in neutrophilic Arthrobacter sp. but had superior thermostability, activity under alkaline conditions, and affinity for nylon-related substrates, which would be advantageous for biotechnological applications.

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La Duc, Myron T., Anne Dekas, Shariff Osman, Christine Moissl, David Newcombe, and Kasthuri Venkateswaran. "Isolation and Characterization of Bacteria Capable of Tolerating the Extreme Conditions of Clean Room Environments." Applied and Environmental Microbiology 73, no. 8 (2007): 2600–2611. http://dx.doi.org/10.1128/aem.03007-06.

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ABSTRACT In assessing the bacterial populations present in spacecraft assembly, spacecraft test, and launch preparation facilities, extremophilic bacteria (requiring severe conditions for growth) and extremotolerant bacteria (tolerant to extreme conditions) were isolated. Several cultivation approaches were employed to select for and identify bacteria that not only survive the nutrient-limiting conditions of clean room environments but can also withstand even more inhospitable environmental stresses. Due to their proximity to spacefaring objects, these bacteria pose a considerable risk for forward contamination of extraterrestrial sites. Samples collected from four geographically distinct National Aeronautics and Space Administration clean rooms were challenged with UV-C irradiation, 5% hydrogen peroxide, heat shock, pH extremes (pH 3.0 and 11.0), temperature extremes (4°C to 65°C), and hypersalinity (25% NaCl) prior to and/or during cultivation as a means of selecting for extremotolerant bacteria. Culture-independent approaches were employed to measure viable microbial (ATP-based) and total bacterial (quantitative PCR-based) burdens. Intracellular ATP concentrations suggested a viable microbial presence ranging from below detection limits to 106 cells/m2. However, only 0.1 to 55% of these viable cells were able to grow on defined culture medium. Isolated members of the Bacillaceae family were more physiologically diverse than those reported in previous studies, including thermophiles (Geobacillus), obligate anaerobes (Paenibacillus), and halotolerant, alkalophilic species (Oceanobacillus and Exiguobacterium). Non-spore-forming microbes (α- and β-proteobacteria and actinobacteria) exhibiting tolerance to the selected stresses were also encountered. The multiassay cultivation approach employed herein enhances the current understanding of the physiological diversity of bacteria housed in these clean rooms and leads us to ponder the origin and means of translocation of thermophiles, anaerobes, and halotolerant alkalophiles into these environments.

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Shilova, Anna V., Grigory G. Glebov, and Yuliya G. Maksimova. "Morphological aspects of adaptation of the alkalophilic bacteria Bacillus aequororis to high salinity and alkalinity of the medium." Вестник Пермского университета. Серия «Биология»=Bulletin of Perm University. Biology, no. 3 (2021): 178–84. http://dx.doi.org/10.17072/1994-9952-2021-3-178-184.

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AFM-images were obtained and the morphometric parameters of cells of the facultative alkalophile Bacillus aequororis 5-DB and neutrophilic Bacillus subtilis ATCC 6633 were calculated after incubation in an alkaline medium with a high concentration of sodium chloride. It was shown that adaptation of B. aequororis 5-DB is not accompanied by significant changes in morphometric parameters, while the volume of cells slightly (by 1–1.5 times) decreases and their surface roughness increases. Neutrophilic bacillus, on the contrary, reacts to an increase in salt concentration and pH (50 g/l, pH 11) by significant changes in the cell: the cell volume decreases 2–3 times, and with daily adaptation to 50 g/l salt with pH 8 increases by 2.4 times due to the increase in cell length. Cells of an alkalophilic bacillus, in contrast to those of a neutrophilic bacillus, do not undergo significant changes in morphology with a high mineralization of the environment, both under direct exposure and after daily adaptation.

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TSUMURA, Kazunobu, Yukio HASHIMOTO, Teruhiko AKIBA, and Koki HORIKOSHI. "Isolation and characterization of alkalophilic bacteria that degrade soybean galactan." Agricultural and Biological Chemistry 55, no. 5 (1991): 1399–400. http://dx.doi.org/10.1271/bbb1961.55.1399.

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Tsumura, Kazunobu, Yukio Hashimoto, Teruhiko Akiba, and Koki Horikoshi. "Isolation and Characterization of Alkalophilic Bacteria That Degrade Soybean Galactan." Agricultural and Biological Chemistry 55, no. 5 (1991): 1399–400. http://dx.doi.org/10.1080/00021369.1991.10870788.

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Lee, James W. "Elucidating the 30-Year-Longstanding Bioenergetic Mystery in Alkalophilic Bacteria." Biophysical Journal 112, no. 3 (2017): 278a—279a. http://dx.doi.org/10.1016/j.bpj.2016.11.1509.

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Lee, James W. "Elucidating the 30-year-Longstanding Bioenergetic Mystery in Alkalophilic Bacteria." Biophysical Journal 114, no. 3 (2018): 520a—521a. http://dx.doi.org/10.1016/j.bpj.2017.11.2845.

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Athen, Sierra R., Shivangi Dubey, and John A. Kyndt. "The Eastern Nebraska Salt Marsh Microbiome Is Well Adapted to an Alkaline and Extreme Saline Environment." Life 11, no. 5 (2021): 446. http://dx.doi.org/10.3390/life11050446.

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The Eastern Nebraska Salt Marshes contain a unique, alkaline, and saline wetland area that is a remnant of prehistoric oceans that once covered this area. The microbial composition of these salt marshes, identified by metagenomic sequencing, appears to be different from well-studied coastal salt marshes as it contains bacterial genera that have only been found in cold-adapted, alkaline, saline environments. For example, Rubribacterium was only isolated before from an Eastern Siberian soda lake, but appears to be one of the most abundant bacteria present at the time of sampling of the Eastern Nebraska Salt Marshes. Further enrichment, followed by genome sequencing and metagenomic binning, revealed the presence of several halophilic, alkalophilic bacteria that play important roles in sulfur and carbon cycling, as well as in nitrogen fixation within this ecosystem. Photosynthetic sulfur bacteria, belonging to Prosthecochloris and Marichromatium, and chemotrophic sulfur bacteria of the genera Sulfurimonas, Arcobacter, and Thiomicrospira produce valuable oxidized sulfur compounds for algal and plant growth, while alkaliphilic, sulfur-reducing bacteria belonging to Sulfurospirillum help balance the sulfur cycle. This metagenome-based study provides a baseline to understand the complex, but balanced, syntrophic microbial interactions that occur in this unique inland salt marsh environment.

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Dissertations / Theses on the topic "Alkalophilic bacteria"

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Richards, Abigail Marie. "Identification and structural characterization of siderophores produced by halophilic and alkaliphilic bacteria." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Summer2007/A_Richards_072707.pdf.

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Paul, Varun. "Electricity generation and ethanol production using iron-reducing, haloalkaliphilic bacteria." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2009. http://scholarsmine.mst.edu/thesis/pdf/Paul_09007dcc8069dfe5.pdf.

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Thesis (M.S.)--Missouri University of Science and Technology, 2009.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed August 10, 2009) Includes bibliographical references (p. 58-64).

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Aston, John. "Response to osmotic stress by the haloalkaliphilic bacterium Halomonas campisalis." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Thesis/Spring2006/j%5Faston%5F031406.pdf.

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Lin, Zu-Tai, and 林祖泰. "Purification and characterization of a cyclodextrin glycosyltransferase from an isolated alkalophilic bacteria bacillus sp. No. 562." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/09782796766498783424.

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Book chapters on the topic "Alkalophilic bacteria"

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Krulwich, T. A., and A. A. Guffanti. "[28] Regulation of internal pH in acidophilic and alkalophilic bacteria." In Methods in Enzymology. Elsevier, 1986. http://dx.doi.org/10.1016/s0076-6879(86)25030-2.

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Shankara S., Kotresha Dupadahalli, Vijayakumar M. H., and Gaddad S. M. "Decolorization of Direct Blue." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9734-8.ch014.

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A thermo-alkalophilic bacterium isolated from textile mill effluent samples and identified as a Bacillus sp., on the basis of biochemical tests. The selected bacterium showed high decolorization activity in static condition as compared to shaking condition and the maximum 1000 mg l-1 Direct Blue-14 dye decolorization was takes place in 72 h. The optimum physical parameters such as temperature 40-50 °C, pH 8.0 with 2.5% (w/v) of nitrogen source and 4% (w/v) glucose were required for the decolorization of Direct Blue-14 from this bacterium. UV–Visible analyses and colorless bacterial cells suggested that Bacillus sp. exhibited decolorizing activity through biodegradation, rather than inactive surface adsorption. The degraded dye metabolites are analyzed by TLC and diazotization, carbylamines, Ames test for individual metabolite indicates biotransformation of Direct Blue-14 into aromatic amine and non-toxic aromatic metabolites. These results suggest that the isolated organism Bacillus sp. as a useful tool to treat waste water containing azo dyes at static condition.

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