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Journal articles on the topic 'Alkalophilic bacteria'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

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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2

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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3

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 for

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5

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

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6

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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7

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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8

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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9

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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10

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 N

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11

Martinez Hernandez, Heriberto, Marielle Gueguen Minerbe, Yoan Pechaud, and Thierry Sedran. "Evaluation of the ability of alkalophilic bacteria to form a biofilm on the surface of Portland cement-based mortars." Matériaux & Techniques 108, no. 3 (2020): 304. http://dx.doi.org/10.1051/mattech/2020032.

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This paper investigates bacteria colonisation through biofilm formation, based on the premise that biofilm helps bacteria to have a better development. The aim is to homogenize bacterial growth on recycled concrete aggregates (RCA) to obtain a homogeneous precipitation of calcium carbonate (CaCO3). In previous studies, Bacillus halodurans C-125 was selected to perform biocarbonation on RCA to generate a coat of CaCO3 and diminish water absorption. Contrary to expectations, its poor development led to an heterogeneous CaCO3 precipitation, resulting in an inefficient treatment. Within the framew

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12

Rius, Núria, and José G. Lorén. "Buffering Capacity and Membrane H+ Conductance of Neutrophilic and Alkalophilic Gram-Positive Bacteria." Applied and Environmental Microbiology 64, no. 4 (1998): 1344–49. http://dx.doi.org/10.1128/aem.64.4.1344-1349.1998.

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ABSTRACT Buffering capacity and membrane H+ conductance were examined in three gram-positive bacteria, Staphylococcus aureus, Bacillus subtilis, and Bacillus alcalophilus. An acid pulse technique was used to measure both parameters. The buffering capacity and membrane H+conductance of B. alcalophilus are influenced by the pH of the medium and the culture conditions. Suspensions of B. alcalophilus cells from both H. A. medium andl-malate medium cultures grown at pH 10.5 exhibited higher values for these parameters than cells grown at pH 8.5. B. alcalophilus grown aerobically had a lower bufferi

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13

Higuti, lma Hiroko, Simone Wichert Grande, Roberta Sacco, and Aguinaldo José do Nascimento. "Isolation of alkalophilic CGTase-producing bacteria and characterization of cyclodextrin-glycosyltransferase." Brazilian Archives of Biology and Technology 46, no. 2 (2003): 183–86. http://dx.doi.org/10.1590/s1516-89132003000200007.

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One hundred and twenty five soil samples were collected from the regions of roots of corn, cassava, potato, bean, sugar cane, soya, and pumpkin. From these, 75 strains were isolated that produced a yellowish halo surrounding the colonies, due to a phenolphtalein-cyclodextrin (CD) complex, and these were selected as alkalophilic CGTase-producing bacteria. All the 75 strains were identified as Bacillus firmus by microscopy and biochemical tests. The activity of the CGTase's varied from 2² to 2(10) dilutions,when assayed by CD-trichloroethylene (TCE)-complex precipitation. Strain 31 that produced

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Agus Fitriyanto, Nanung, Samsul Hadi, Muhammad Imam Bahtiyar, Ragil Adi Prasetyo, and Yuny Erwanto. "Characterization and growth profile of proteolytic strain PK-4 isolated from local slaughterhouse wastewater." BIO Web of Conferences 28 (2020): 03001. http://dx.doi.org/10.1051/bioconf/20202803001.

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This study aims to characterize and to determine the growth profile of the proteolytic bacteria isolated from Giwangan slaughterhouse wastewater in Yogyakarta City, and to observe the optimum temperature as well as the pH condition for growing in the nutrient medium. Isolation of bacteria from slaughterhouse wastewater was done with a sample from 4 different locations. The isolates were then grown on a medium with a skim (at 0;0.5;1%;1.5 and 2%) and pH condition (at 7;8;9;10 and 11). The bacterial growth profile was measured based on the number of cells (CFU/mL), the size of the bacterial colo

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15

Han, Xiao Fang, and Hong Qing Hu. "Application of Bleaching Reed Pulp by Xylanase-Producing Alkalophilic Bacillius." Advanced Materials Research 830 (October 2013): 207–10. http://dx.doi.org/10.4028/www.scientific.net/amr.830.207.

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The reeds are the reeds of the Gramineae Lo bamboo family and they are major non-wood papermaking raw materials. Based on the importance of the reed in the papermaking, many useful discussions have been carried out about its pulping and bleaching processes (Shatalov et al.,2001).Finnish scholars reported a pulp by the xylanase treatment could reduce the segment of chloride to chlorine consumption of 25% for the first time in 1986 (Viikari et al., 1986),and it was soon put into industrial production after then. Xylanase can reduce the amount of chemical additives by improving the bleach ability

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16

Jan-Roblero, Janet, Xochitl Magos, Luis Fernández, César Hernández-Rodríguez, and Sylvie Le Borgne. "Phylogenetic analysis of bacterial populations in waters of the former Texcoco Lake, Mexico." Canadian Journal of Microbiology 50, no. 12 (2004): 1049–59. http://dx.doi.org/10.1139/w04-102.

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Molecular techniques were used to compare the compositions of the bacterial communities of the 2 following lagoons from the former soda Texcoco Lake, Mexico: the restored Facultativa lagoon and the Nabor Carrillo lagoon. Ribosomal intergenic spacer analysis (RISA) revealed that bacterial communities of the 2 lagoons were different and presented a relatively low diversity. Clone libraries of 16S rDNA genes were constructed, and significant phylotypes were distinguished by restriction fragment length polymorphism (RFLP). A representative clone from each phylotype was partially sequenced. Molecul

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17

Hossain, Munir, Shafiq Siddiquee, and Vijay Kumar. "Isolation of Alkalophilic Pectinolytic Bacteria and their Bio Retting Effect on Kenaf Fiber Compositions." Alinteri Journal of Agriculture Sciences 36, no. 2 (2021): 156–65. http://dx.doi.org/10.47059/alinteri/v36i2/ajas21129.

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Retting is the most limiting process of high-quality cellulosic kenaf bast fiber production which facilitating the separation of useable fiber from the plants' cell wall matrix. Existing traditional water retting approach confronts ineptitude and eutrophication related complications. Aiming to enhance the kenaf bio-retting process, sixty-seven alkalophilic bacterial colonies were isolated from paddy land soil sediments and kenaf retting water. These isolates were subsequently screened, of that two isolates were selected based on hyper qualitative and quantitative pectinolytic enzymatic measure

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18

Zheng, Lianshuang, Yumin Du, and Jiayao Zhang. "Degumming of ramie fibers by alkalophilic bacteria and their polysaccharide-degrading enzymes." Bioresource Technology 78, no. 1 (2001): 89–94. http://dx.doi.org/10.1016/s0960-8524(00)00154-1.

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19

Gascoyne, D. J., J. A. Connor, and A. T. Bull. "Capacity of siderophore ? producing alkalophilic bacteria to accumulate iron, gallium and aluminum." Applied Microbiology and Biotechnology 36, no. 1 (1991): 136–41. http://dx.doi.org/10.1007/bf00164714.

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20

Rakaz, Maha A., Mohammed O. Hussien та Hanan M. Ibrahim. "Isolation, Extraction, Purification, and Molecular Characterization for Thermostable α-Amylase from Locally Isolated Bacillus Species in Sudan". Biochemistry Research International 2021 (24 травня 2021): 1–8. http://dx.doi.org/10.1155/2021/6670380.

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The aim of this study was to isolate some soil bacteria strain that produced α-amylase and subsequent extraction and purification. One hundred soil samples were collected from different geographical areas in Khartoum State such as north Omdurman, Toti Island, and Soba. Samples were analyzed for starch hydrolyzing bacteria. Among several bacteria isolated, Bacillus cereus and Bacillus licheniformis were identified as active α-amylase producers. Both bacteria showed a large zone of clearance of 20 mm when grown on starch-agar plates. The identity was conducted using biochemical characterization

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21

Anbu Rajan, Lawrance, Toms C. Joseph, Nirmala Thampuran, and Roswin James. "Studies on the microbial diversity of salted fishes under aerobic conditions." Microbiology Research 1, no. 1 (2010): 5. http://dx.doi.org/10.4081/mr.2010.e5.

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A total of 93 isolates of halophilic and moderately halophilic bacteria were isolated from salted fishes, Scoliodon sp. and Thrissina thryssa obtained from retail fish outlets in Cochin, Kerala, India. The viable count of the bacteria in Scoliodon sp. and Thrissina thryssa ranged from 103-106 per g. The morphological, biochemical, and physiological investigations were done to characterize the isolates, which showed good growth in medium containing 3-10% (w/v) NaCl at 37°C. In Scoliodon sp. the maximum of 87.5% isolates were Gram-positive cocci and in Thrissina thryssa 95.5% of the isolates wer

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22

Zhang, Chun Yan, Hui Liu, and Hai Xing Hu. "Isolation and Identification of Microbes in High-Salinity Environmental Microorganism in Disposal of Salt-Contained Wastewater." Applied Mechanics and Materials 608-609 (October 2014): 1094–97. http://dx.doi.org/10.4028/www.scientific.net/amm.608-609.1094.

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Along with the rapid development of today's society, all sorts of wastes produced from human life and production are discharged into the natural environment, so that a certain impact has been exerted on air, soil, lakes, and oceans. The wastes discharged into the natural environment not only contain some toxic substances and various compounds difficult to degrade, but also are with the characteristics of strong acid, strong alkali, high temperature, and high salinity, so that the general microorganisms are hard to survive in this environment. However, there are some extreme microorganisms to g

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23

Salim, Abdullah A. G., Amal A. Halob, Jabbar F. Al-Maadidy, Ala S. Abbas, Salah H. K. Al-Zuhairy, and Saad H. K. Al-Aubaidy. "Production of Alkaline from Alkalophilic Thermophilic Bacteria and its Application in Biological Detergents." Journal of Al-Nahrain University Science 8, no. 1 (2005): 41–43. http://dx.doi.org/10.22401/jnus.8.1.11.

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24

Kumaresan Sarankumar, Raja, Arumugam Arulprakash, Sandhanasamy Devanesan, et al. "Bioreduction of hexavalent chromium by chromium resistant alkalophilic bacteria isolated from tannery effluent." Journal of King Saud University - Science 32, no. 3 (2020): 1969–77. http://dx.doi.org/10.1016/j.jksus.2020.02.010.

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25

Higuti, Ilma Hiroko, Priscila Anunciação da Silva, and Aguinaldo José do Nascimento. "Studies on alkalophilic CGTase-producing bacteria and effect of starch on cyclodextrin-glycosyltransferase activity." Brazilian Archives of Biology and Technology 47, no. 1 (2004): 135–38. http://dx.doi.org/10.1590/s1516-89132004000100018.

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The production of beta- and gamma -CD by CGTase from Bacillus firmus was studied, in regard to the effect of the source and concentration of starch on the yield of CD and CGTase activity. A cyclic activity of accumulation and consumption of beta -CD and gamma -CD occurred during the bacterial growth. CGTase was more active when citrate buffer, pH 5.5 was used. No differences were found for production of gamma -CD with the use of commercial starch flour when compared with corn starch (p>0.05). The use of commercial starch flour resulted in decreased conversion of starch to beta-CD (all the 4

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Wardani, Agustin Krisna, Ajeng Astrini Brahmanti, and Erryana Martati. "Leclercia adecarboxylata C12, The Newly Isolated Cellulose-degrading Bacteria from Indonesian Coffee Pulp." HAYATI Journal of Biosciences 30, no. 3 (2023): 588–95. http://dx.doi.org/10.4308/hjb.30.3.588-595.

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Culturable cellulose-degrading microorganisms were collected from Arabica coffee pulp in East Java, Indonesia. Fifty isolates were obtained, and thirty-three isolates showed hydrolyzing zone on Carboxy Methyl Cellulose agar plates after Congo-Red staining. The highest specific CMCase activity was observed by isolates C12, identified as Leclercia adecarboxylata based on 16S-rRNA gene sequence analysis. SDS-PAGE of Leclercia adecarboxylata C12 cellulase revealed two bands with a molecular mass of 95.49 and 81.28 kDa, respectively. Activity gel analysis showed the cellulolytic ability of Leclerci

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27

Hossain, Mohammad Munir, Vijay Kumar Subbiah, and Shafiquzzaman Siddiquee. "Augmented Retting Effect on Kenaf Fibers Using Alkalophilic Pectinase-Producing Bacteria in Combination with Water Solvents." Applied Sciences 12, no. 14 (2022): 7136. http://dx.doi.org/10.3390/app12147136.

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A degumming approach is used in this paper with alkalophilic pectinase-producing bacteria (APPB) and two sources of water solvents to address the existing conventional water retting complexities of kenaf. The incorporation of APPB was confirmed based on their retting feasibilities and multiple cell-wall-degrading enzymatic delicacy. The combinations of APPB with seawater offered retting achievements within six-day retting in non-sterile conditions. These retting niches showed maximum (14.67 U/mL) pectinase activity with fiber separation feasibilities of 4.75 Fried test score. The yielded fiber

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28

B M, Asha, H. Ananda Vardhan, Nida Afshan Khan, and Sharon Eveline J. "Isolation and Characterization of Alkalophilic Xylanase Producing Bacteria MS-2-1 from Marine Water Sample." Mapana Journal of Sciences 17, no. 4 (2018): 53–62. http://dx.doi.org/10.12723/mjs.47.5.

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A novel marine bacterium was isolated from Pichavaram mangrove forest located near Chidambaram, Tamil Nadu and designated as MS-2-1. Morphological, cultural, physiological characteristics as well as 16S rRNA gene sequence based phylogenetic analysis confirmed taxonomic affiliation of MS 2 as Marinobacter aquaeolei. The optimum pH and temperature for maximum production of xylanase was observed at pH 8.0 and 30ºC.

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29

Guedes, Alexandre Miguel, Tiago Filipe Santos Alves, Paulo J. Salústio, Helena M. Cabral-Marques, and Maria H. L. Ribeiro. "Design of a Cyclodextrin Bioproduction Process Using Bacillus pseudofirmus and Paenibacillus macerans." Future Pharmacology 3, no. 3 (2023): 568–84. http://dx.doi.org/10.3390/futurepharmacol3030035.

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Cyclodextrin (CD) drug delivery systems offer the potential to enhance the desired physicochemical properties and pharmacokinetic parameters of drugs while maintaining their safety. Cyclodextrin-glucosyl-transferase (CGTase) is amongst the most important enzymes used in CD biosynthesis. However, the bioproduction of CDs still faces challenges in terms of optimization and process complexity. This study proposes a novel CD bioproduction system in a batch mode to increase yield and reduce costs. Two bacterial strains were selected: the alkalophilic Bacillus pseudofirmus DSM2517 strain and the neu

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30

Zhang, Shilong, Yujiao Li, Feng Han, and Wengong Yu. "YsHyl8A, an Alkalophilic Cold-Adapted Glycosaminoglycan Lyase Cloned from Pathogenic Yersinia sp. 298." Molecules 27, no. 9 (2022): 2897. http://dx.doi.org/10.3390/molecules27092897.

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A high enzyme-yield strain Yersinia sp. 298 was screened from marine bacteria harvested from the coastal water. The screening conditions were extensive, utilizing hyaluronic acid (HA)/chondroitin sulfate (CS) as the carbon source. A coding gene yshyl8A of the family 8 polysaccharide lyase (PL8) was cloned from the genome of Yersinia sp. 298 and subjected to recombinant expression. The specific activity of the recombinase YsHyl8A was 11.19 U/mg, with an optimal reaction temperature of 40 °C and 50% of its specific activity remaining after thermal incubation at 30 °C for 1 h. In addition, its op

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31

Cao, Junwei, Lianshuang Zheng, and Shuyun Chen. "Screening of pectinase producer from alkalophilic bacteria and study on its potential application in degumming of ramie." Enzyme and Microbial Technology 14, no. 12 (1992): 1013–16. http://dx.doi.org/10.1016/0141-0229(92)90087-5.

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32

Rogozhin, Eugene, Vera Sadykova, Anna Baranova, et al. "A Novel Lipopeptaibol Emericellipsin A with Antimicrobial and Antitumor Activity Produced by the Extremophilic Fungus Emericellopsis alkalina." Molecules 23, no. 11 (2018): 2785. http://dx.doi.org/10.3390/molecules23112785.

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Soil fungi are known to contain a rich variety of defense metabolites that allow them to compete with other organisms (fungi, bacteria, nematodes, and insects) and help them occupy more preferential areas at the expense of effective antagonism. These compounds possess antibiotic activity towards a wide range of other microbes, particularly fungi that belong to different taxonomical units. These compounds include peptaibols, which are non-ribosomal synthesized polypeptides containing non-standard amino acid residues (alpha-aminoisobutyric acid mandatory) and some posttranslational modifications

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33

Ruiz-Romero, Erick, María de los Angeles Coutiño-Coutiño, César Valenzuela-Encinas, María Patricia López-Ramírez, Rodolfo Marsch, and Luc Dendooven. "Texcoconibacillus texcoconensis gen. nov., sp. nov., alkalophilic and halotolerant bacteria isolated from soil of the former lake Texcoco (Mexico)." International Journal of Systematic and Evolutionary Microbiology 63, Pt_9 (2013): 3336–41. http://dx.doi.org/10.1099/ijs.0.048447-0.

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A novel Gram-positive, rod-shaped, spore-forming bacterium, designated 13CCT was isolated from soil of the former lake Texcoco. The strain was aerobic, catalase-positive and oxidase-negative. It grew at salinities of 0–26 % (w/v) NaCl with an optimum at 9–16 % (w/v) NaCl. The cells contain peptidoglycan type A1γ, A1γ′ with glycine instead of l-alanine and three variations of peptidoglycan type A4γ. The only quinone detected was MK-7. The major fatty acid was anteiso-C15 : 0. The polar lipids fraction consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and three

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Dhote, Yogini S., M. P. Moharil, and P. V. Jadhav. "Isolation and Characterization of Amylase Inhibitor from Alkalophilic Bacteria Isolated from Lonar Crater and its Insecticidal Protein Producing Ability." Biosciences Biotechnology Research Asia 11, no. 1 (2014): 329–33. http://dx.doi.org/10.13005/bbra/1276.

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Milman, P. Yu, E. A. Gilvanova, and G. E. Aktuganov. "Cyclodextrin Glucanotransferase of Alkalophilic Strain <i>Caldalkalibacillus mannanilyticus</i> IB-OR17-B1." Прикладная биохимия и микробиология 59, no. 5 (2023): 472–82. http://dx.doi.org/10.31857/s0555109923050124.

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Extracellular cyclodextrin glucanotransferase (CGTase, K.F.2.1.19) was characterized for the first time in a strain of bacteria of the species Caldalkalibacillus mannanilyticus IB-OR17-B1. The enzyme was isolated from the culture supernatant using ultrafiltration and affinity adsorption on corn starch. The specific activity of the CGTase was increased in 18-fold as a result of purification with the enzyme yield 56%. The molecular mass of the purified enzyme was 70 kDa according to the denaturing electrophoresis in polyacrylamide gel. The CGTase of C. mannanilyticus IB-OR17-B1 demonstrated a ma

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36

Gugliandolo, Concetta, and Teresa L. Maugeri. "Phylogenetic Diversity of Archaea in Shallow Hydrothermal Vents of Eolian Islands, Italy." Diversity 11, no. 9 (2019): 156. http://dx.doi.org/10.3390/d11090156.

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Shallow hydrothermal systems (SHS) around the Eolian Islands (Italy), related to both active and extinct volcanism, are characterized by high temperatures, high concentrations of CO2 and H2S, and low pH, prohibitive for the majority of eukaryotes which are less tolerant to the extreme conditions than prokaryotes. Archaea and bacteria are the key elements for the functioning of these ecosystems, as they are involved in the transformation of inorganic compounds released from the vent emissions and are at the basis of the hydrothermal system food web. New extremophilic archaea (thermophilic, hype

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37

Badejo, Oludotun Ayooluwa, Oladipo Oladiti Olaniyi, Adeyemi Oluwadare Ayodeji, and Olusola Tosin Lawal. "Biochemical properties of partially purified surfactant-tolerant alkalophilic endo beta-1,4 xylanase and acidophilic beta-mannanase from bacteria resident in ruminants’ guts." Biocatalysis and Agricultural Biotechnology 34 (July 2021): 101982. http://dx.doi.org/10.1016/j.bcab.2021.101982.

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38

Chotchindakun, Kittipat, Songphon Buddhasiri, and Panwong Kuntanawat. "Enhanced Growth and Productivity of Arthrospira platensis H53 in a Nature-like Alkalophilic Environment and Its Implementation in Sustainable Arthrospira Cultivation." Sustainability 16, no. 19 (2024): 8627. http://dx.doi.org/10.3390/su16198627.

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Synthetic culture media, such as Zarrouk’s medium (ZM), are widely used in industrial Arthrospira cultivation but rely heavily on chemical fertilizers, raising concerns over cost and environmental impact. In natural habitats where Arthrospira blooms, the macronutrient concentrations are much lower than those provided by synthetic media. We hypothesized that natural growth may be facilitated by a microbial consortium. To test this, we developed a lab-scale Arthrospira platensis H53 cultivation system using a newly developed organic compost medium (OCM), designed to mimic the natural nutrient co

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39

Rigas, Dimitris, Nikos Grivas, Aikaterini Nelli, et al. "Persistent Dysbiosis, Parasite Rise and Growth Impairment in Aquacultured European Seabass after Oxytetracycline Treatment." Microorganisms 11, no. 9 (2023): 2302. http://dx.doi.org/10.3390/microorganisms11092302.

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The use of antibiotics in open-water aquaculture is often unavoidable when faced with pathogens with high mortality rates. In addition, seasonal pathogen surges have become more common and more intense over the years. Apart from the apparent cost of antibiotic treatment, it has been observed that, in aquaculture practice, the surviving fish often display measurable growth impairment. To understand the role of gut microbiota on the observed growth impairment, in this study, we follow the incidence of Photobacterium damselae subsp. piscicida in a seabass commercial open-water aquaculture setting

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Lavrentyeva, E. V., E. B. Erdyneeva, Ya E. Dunaevskii, Yu V. Boltyanskaya, and V. V. Kevbrin. "Extracellular, Highly Stable, Alkaline Peptidases of the Alkalophilic Bacteria Alkalicaulis satelles G-192t and Aliidiomarina sp. P-156 and Their Possible Use in the Composition of Detergents." Applied Biochemistry and Microbiology 57, no. 6 (2021): 725–31. http://dx.doi.org/10.1134/s0003683821060089.

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Amal Abdul Al-Nabi Halob, Saad Hussain Khudhair, Suhair Kadim Abid, et al. "Use of spores forming bacteria to produce material that have ability to repair cracked concrete effected by environmental conditions." Journal of Wasit for Science and Medicine 8, no. 3 (2022): 51–56. http://dx.doi.org/10.31185/jwsm.290.

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The aim of project to develop and test specific types of self –healing concrete, these achieved by isolated specific local types of bacteria, and test its ability to repair cracks which found in concrete according to bacterial ability to enhance metabolism for precipitate calcium carbonate and repair the concrete cracks. We obtained four local alkalophilc spore forming isolated bacteria. Self healing ability was tested for isolates , Results show increase in compressive strength values for treated cement sample with AC1 isolate in comparison with other isolates and control .The treated sample

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ХАХИНОВ, В. В., Е. В. ЛАВРЕНТЬЕВА, И. Д. УЛЬЗЕТУЕВА, Д. Д. ЦЫРЕНОВА, С. В. ЗАЙЦЕВА та Д. Д. БАРХУТОВА. "ГИДРОХИМИЧЕСКИЕ И МИКРОБИОЛОГИЧЕСКИЕ ХАРАКТЕРИСТИКИ МИНЕРАЛЬНЫХ ОЗЕР ЮГО-ЗАПАДНОГО ЗАБАЙКАЛЬЯ". География и природные ресурсы 46, № 1 (2025): 136–45. https://doi.org/10.15372/gipr20250113.

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Рассмотрены результаты гидрохимических и микробиологических исследований четырех наиболее крупных минеральных озер юго-западного Забайкалья: Нижнего Белого, Верхнего Белого, Цайдам и Селенгинского (Сульфатного). Выявлено, что процессы формирования химического состава озерных вод в основном связаны с геоструктурными особенностями территории, гидрогеохимическими процессами и климатическими условиями. Сделан вывод, что на химический состав вод большое влияние оказывает испарение, связанное с высокой солнечной инсоляцией в регионе, процесс вымораживания вод в зимний период и поступление атмосферны

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Hamana, Koei, Teruhiko Akiba, Fuji Uchino, and Shigeru Matsuzaki. "Distribution of spermine in bacilli and lactic acid bacteria." Canadian Journal of Microbiology 35, no. 4 (1989): 450–55. http://dx.doi.org/10.1139/m89-069.

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Obligate moderately thermophilic bacilli and obligate moderately thermoacidophilic bacilli contained spermine as the major polyamine in addition to putrescine and spermidine. The identity of spermine was confirmed by thin-layer chromatography and high-performance liquid chromatography before and after treatment with putrescine oxidase. Using these methods, thermospermine and spermine can be separated; thermospermine was not present in these organisms. On the other hand, various facultative thermophiles and mesophilic strains of the genus Bacillus, including alkalophiles and halophiles, lack sp

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Han, Xiao-fang, Lian-shuang Zheng, and Yi-min Xie. "Study on screening and cultivation conditions of xylanase-producing alkalophilic bacterial." Wuhan University Journal of Natural Sciences 9, no. 1 (2004): 125–28. http://dx.doi.org/10.1007/bf02912733.

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Ibrahim, Nesreen H., Alaa Atef, Mohamed A. Abd El-Rahman, and Nagwa M. Sidkey. "A review on thermo-alkalophilic bacterial lipase production and its applications." International Journal of Theoretical and Applied Research 4, no. 1 (2025): 0. https://doi.org/10.21608/ijtar.2025.392422.1125.

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Terada, Yoshinobu, Haruyo Sanbe, Takeshi Takaha, Sumio Kitahata, Kyoko Koizumi, and Shigetaka Okada. "Comparative Study of the Cyclization Reactions of Three Bacterial Cyclomaltodextrin Glucanotransferases." Applied and Environmental Microbiology 67, no. 4 (2001): 1453–60. http://dx.doi.org/10.1128/aem.67.4.1453-1460.2001.

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ABSTRACT The actions of cyclomaltodextrin glucanotransferases (CGTase; EC2.4.1.19 ) from alkalophilic Bacillus sp. strain A2-5a (A2-5a CGTase), Bacillus macerans (BmacCGTase), and Bacillus stearothermophilus (BsteCGTase) on amylose were investigated. All three enzymes produced large cyclic α-1,4-glucans (cycloamyloses) at the early stage of the reaction, but these were subsequently converted into smaller cycloamyloses. However, the rates of this conversion differed among the three enzymes. The product specificity of each CGTase in the cyclization reaction was determined by measuring the amount

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Georgieva, Dessislava Nikolova, Stanka Stoeva, Wolfgang Voelter, Nicolay Genov, and Christian Betzel. "Substrate Specificity of the Highly Alkalophilic Bacterial Proteinase Esperase: Relation to the X-Ray Structure." Current Microbiology 42, no. 5 (2001): 368–71. http://dx.doi.org/10.1007/s002840010231.

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Jaiswal, Prashant Kumar, and Indu Shekhar Thakur. "Isolation and Characterization of Dibenzofuran-Degrading Serratia marcescens from Alkalophilic Bacterial Consortium of the Chemostat." Current Microbiology 55, no. 5 (2007): 447–54. http://dx.doi.org/10.1007/s00284-007-9013-8.

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Boyadzhieva, Ivanka, Kaloyan Berberov, Nikolina Atanasova, Nikolay Krumov, and Lyudmila Kabaivanova. "Isolation, Purification and In Vitro Characterization of a Newly Isolated Alkalophilic Phytase Produced by the Halophile Cobetia marina Strain 439 for Use as Animal Food Supplement." Fermentation 11, no. 1 (2025): 39. https://doi.org/10.3390/fermentation11010039.

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Economic development increases and brings about issues such as the secure supply of food in a sustainable way. Phytases are enzymes catalyzing phytate hydrolysis to release phosphorus in an inorganic form. Animal feeds could be supplemented with bacterial phytases to increase their phosphorus and micronutrients bioavailability. To the best of our knowledge, this is the first report on the purification and characterization of an alkalophilic phytase from Cobetia marina. The purified newly isolated phytase from the halophilic Cobetia marina strain 439 appears to be appropriate for use as an addi

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Torbaghan, M. E., A. Lakzian, A. R. Astaraei, A. Fotovat, and H. Besharati. "Quantitative comparison of ammonia and 3-indoleacetic acid production in halophilic, alkalophilic and haloalkalophilic bacterial isolates in soil." Journal of Fundamental and Applied Sciences 8, no. 2 (2016): 653. http://dx.doi.org/10.4314/jfas.8vi2s.80.

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