Cloning and overexpression of the xylose isomerase gene from Burkholderia sacchari and production of polyhydroxybutyrate from xylose

Garcez Lopes, Mateus Schreiner; Cabrera Gomez, Jose Gregorio; Silva, Luiziana Ferreira

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Cloning and overexpression of the xylose isomerase gene from Burkholderia sacchari and production of polyhydroxybutyrate from xylose

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Author(s):	Garcez Lopes, Mateus Schreiner ^[1] ; Cabrera Gomez, Jose Gregorio ^[1] ; Silva, Luiziana Ferreira ^[1] Total Authors: 3
Affiliation:	^[1] Univ Sao Paulo, Dept Microbiol, BR-05508000 Sao Paulo - Brazil Total Affiliations: 1
Document type:	Journal article
Source:	Canadian Journal of Microbiology; v. 55, n. 8, p. 1012-1015, AUG 2009.
Web of Science Citations:	6
Abstract
A different organization for the xyl operon was found in different genomes of Burkholderia and Pseudomomas species. Degenerated primers were designed based on Burkholderia genomes and used to amplify the xylose isomerase gene (xylA) from Burkholderia sacchari IPT101 The gene encoded a protein of 329 amino acids, which showed the highest similarity (90%) to the homologous gene of Burkholderia dolosa. It was cloned in the broad host range plasmid pBBR1MCS-2, which partially restored growth and polyhydroxybutyrate production capability in xylose to a B. sacchari xyl(-) mutant. When xylA was overexpressed in the wild-type strain, it was not able to increase growth and polyhydroxybutyrate production, suggesting that XylA activity is not limiting for xylose utilization in B. sacchari. (AU)

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