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Cakmak U, Tuncay FO, Kolcuoğlu Y. Cold active α-amylase obtained from Cladophora hutchinsiae-Purification, biochemical characterization and some potential applications. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Silva-Salinas A, Rodríguez-Delgado M, Gómez-Treviño J, López-Chuken U, Olvera-Carranza C, Blanco-Gámez EA. Novel Thermotolerant Amylase from Bacillus licheniformis Strain LB04: Purification, Characterization and Agar-Agarose. Microorganisms 2021; 9:microorganisms9091857. [PMID: 34576752 PMCID: PMC8470300 DOI: 10.3390/microorganisms9091857] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/23/2021] [Accepted: 08/26/2021] [Indexed: 01/17/2023] Open
Abstract
This study analyzed the thermostability and effect of calcium ions on the enzymatic activity of α-amylase produced by Bacillus licheniformis strain LB04 isolated from Espinazo Hot springs in Nuevo Leon, Mexico. The enzyme was immobilized by entrapment on agar-agarose beads, with an entrapment yield of 19.9%. The identification of the bacteria was carried out using 16s rDNA sequencing. The enzyme was purified through ion exchange chromatography (IEX) in a DEAE-Sephadex column, revealing a protein with a molecular weight of ≈130 kDa. The enzyme was stable at pH 3.0 and heat stable up to 80 °C. However, the optimum conditions were reached at 65 °C and pH 3.0, with a specific activity of 1851.7 U mg−1 ± 1.3. The agar-agarose immobilized α-amylase had a hydrolytic activity nearly 25% higher when compared to the free enzyme. This study provides critical information for the understanding of the enzymatic profile of B. licheniformis strain LB04 and the potential application of the microorganisms at an industrial level, specifically in the food industry.
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Affiliation(s)
- Anaid Silva-Salinas
- Centro de Investigación en Biotecnología y Nanotecnología (CIByN), Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parquede Investigación e Innovación Tecnológica, Km. 10 Autopista al Aeropuerto Internacional Mariano Escobedo, Apodaca C.P. 66629, Nuevo León, Mexico; (A.S.-S.); (M.R.-D.); (U.L.-C.)
| | - Melissa Rodríguez-Delgado
- Centro de Investigación en Biotecnología y Nanotecnología (CIByN), Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parquede Investigación e Innovación Tecnológica, Km. 10 Autopista al Aeropuerto Internacional Mariano Escobedo, Apodaca C.P. 66629, Nuevo León, Mexico; (A.S.-S.); (M.R.-D.); (U.L.-C.)
| | - Jesús Gómez-Treviño
- Laboratorio de Biología Molecular, CELAES, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza C.P. 66455, Nuevo León, Mexico;
| | - Ulrico López-Chuken
- Centro de Investigación en Biotecnología y Nanotecnología (CIByN), Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parquede Investigación e Innovación Tecnológica, Km. 10 Autopista al Aeropuerto Internacional Mariano Escobedo, Apodaca C.P. 66629, Nuevo León, Mexico; (A.S.-S.); (M.R.-D.); (U.L.-C.)
| | - Clarita Olvera-Carranza
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001, Chamilpa, Cuernavaca C.P. 62210, Morelos, Mexico;
| | - Edgar Allan Blanco-Gámez
- Centro de Investigación en Biotecnología y Nanotecnología (CIByN), Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parquede Investigación e Innovación Tecnológica, Km. 10 Autopista al Aeropuerto Internacional Mariano Escobedo, Apodaca C.P. 66629, Nuevo León, Mexico; (A.S.-S.); (M.R.-D.); (U.L.-C.)
- Correspondence:
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Soy S, Nigam VK, Sharma SR. Enhanced production and biochemical characterization of a thermostable amylase from thermophilic bacterium Geobacillus icigianus BITSNS038. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2021. [DOI: 10.1080/16583655.2021.2002549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Snehi Soy
- Department of Bio-Engineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
| | - Vinod Kumar Nigam
- Department of Bio-Engineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
| | - Shubha Rani Sharma
- Department of Bio-Engineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
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