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Relationship between Poly- β-hydroxybutyrate Production and δ-endotoxin for Bacillus thuringiensis var. kurstaki

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Abstract

A linear relationship between total solid concentration (TSC), δ-endotoxin production [Cry = 0.2795(TSC)−0.2472, R 2 = 0.8644] and poly-β-hydroxybutyrate (PHB) accumulation [PHB = 0.1327(TSC) + 0.3974, R 2 = 0.9877] in Bacillus thuringiensis var. kurstaki HD-73 was observed. A similar correlation between δ-endotoxin and PHB accumulation [Cry = 2.1573(PHB)−1.1248, R 2 = 0.9181] was found. A minimum PHB accumulation of 0.52 mg l−1 was required before the onset of δ-endotoxin production.

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Authors and Affiliations

  1. Department of Biotechnology, Centro de Investigación y de Estudios Avanzados del IPN, PO Box 14-470, 07000, Mexico City, Mexico

    A. Karin Navarro & Fermín Pérez-Guevara

  2. Department of Biochemical Engineering, Escuela Nacional de Ciencias Biológicas IPN, Prolongación Carpio y Plan de Ayala, s/n Col Casco de Santo Tomas, C.P. 11340, Mexico City, Mexico

    Reynold R. Farrera

  3. CIET, Universidad Autonoma de Campeche, Av. Patricio Trueva de Regil s/n, C.P. 24090, Campeche, Mexico

    Ruth López

Authors
  1. A. Karin Navarro
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  2. Reynold R. Farrera
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  3. Ruth López
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  4. Fermín Pérez-Guevara
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Corresponding author

Correspondence to Fermín Pérez-Guevara.

Additional information

Revisions requested 28 September 2005 and 4 November 2005; Revisions received 28 October 2005 and 1 February 2006

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Navarro, A.K., Farrera, R.R., López, R. et al. Relationship between Poly- β-hydroxybutyrate Production and δ-endotoxin for Bacillus thuringiensis var. kurstaki . Biotechnol Lett 28, 641–644 (2006). https://doi.org/10.1007/s10529-006-0029-0

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  • DOI: https://doi.org/10.1007/s10529-006-0029-0

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