Details
| Original language | English |
|---|---|
| Pages (from-to) | 421-427 |
| Number of pages | 7 |
| Journal | Biotechnology progress |
| Volume | 28 |
| Issue number | 2 |
| Early online date | 13 Jan 2012 |
| Publication status | Published - 10 Apr 2012 |
Abstract
Fuculose-1-phosphate aldolase (FucA) has been produced in Escherichia coli as active inclusion bodies (IBs) in batch cultures. The activity of insoluble FucA has been modulated by a proper selection of producing strain, culture media, and process conditions. In some cases, when an optimized defined medium was used, FucA IBs were more active (in terms of specific activity) than the soluble protein version obtained in the same process with a conventional defined medium, supporting the concept that solubility and conformational quality are independent protein parameters. FucA IBs have been tested as biocatalysts, either directly or immobilized into Lentikat® beads, in an aldolic reaction between DHAP and (S)-Cbz-alaninal, obtaining product yields ranging from 65 to 76%. The production of an active aldolase as IBs, the possibility of tailoring IBs properties by both genetic and process approaches, and the reusability of IBs by further entrapment in appropriate matrices fully support the principle of using self-assembled enzymatic clusters as tunable mechanically stable and functional biocatalysts.
Keywords
- Aldolase, Biocatalyst, E. coli, Immobilization, Inclusion bodies
ASJC Scopus subject areas
- Biochemistry, Genetics and Molecular Biology(all)
- Biotechnology
Cite this
- Standard
- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
In: Biotechnology progress, Vol. 28, No. 2, 10.04.2012, p. 421-427.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Inclusion bodies of fuculose-1-phosphate aldolase as stable and reusable biocatalysts
AU - Sans, Cristina
AU - García-Fruitós, Elena
AU - Ferraz, Rosa M.
AU - González-Montalbán, Núria
AU - Rinas, Ursula
AU - López-Santín, Josep
AU - Villaverde, Antonio
AU - Álvaro, Gregorio
PY - 2012/4/10
Y1 - 2012/4/10
N2 - Fuculose-1-phosphate aldolase (FucA) has been produced in Escherichia coli as active inclusion bodies (IBs) in batch cultures. The activity of insoluble FucA has been modulated by a proper selection of producing strain, culture media, and process conditions. In some cases, when an optimized defined medium was used, FucA IBs were more active (in terms of specific activity) than the soluble protein version obtained in the same process with a conventional defined medium, supporting the concept that solubility and conformational quality are independent protein parameters. FucA IBs have been tested as biocatalysts, either directly or immobilized into Lentikat® beads, in an aldolic reaction between DHAP and (S)-Cbz-alaninal, obtaining product yields ranging from 65 to 76%. The production of an active aldolase as IBs, the possibility of tailoring IBs properties by both genetic and process approaches, and the reusability of IBs by further entrapment in appropriate matrices fully support the principle of using self-assembled enzymatic clusters as tunable mechanically stable and functional biocatalysts.
AB - Fuculose-1-phosphate aldolase (FucA) has been produced in Escherichia coli as active inclusion bodies (IBs) in batch cultures. The activity of insoluble FucA has been modulated by a proper selection of producing strain, culture media, and process conditions. In some cases, when an optimized defined medium was used, FucA IBs were more active (in terms of specific activity) than the soluble protein version obtained in the same process with a conventional defined medium, supporting the concept that solubility and conformational quality are independent protein parameters. FucA IBs have been tested as biocatalysts, either directly or immobilized into Lentikat® beads, in an aldolic reaction between DHAP and (S)-Cbz-alaninal, obtaining product yields ranging from 65 to 76%. The production of an active aldolase as IBs, the possibility of tailoring IBs properties by both genetic and process approaches, and the reusability of IBs by further entrapment in appropriate matrices fully support the principle of using self-assembled enzymatic clusters as tunable mechanically stable and functional biocatalysts.
KW - Aldolase
KW - Biocatalyst
KW - E. coli
KW - Immobilization
KW - Inclusion bodies
UR - http://www.scopus.com/inward/record.url?scp=84859631073&partnerID=8YFLogxK
U2 - 10.1002/btpr.1518
DO - 10.1002/btpr.1518
M3 - Article
C2 - 22275283
AN - SCOPUS:84859631073
VL - 28
SP - 421
EP - 427
JO - Biotechnology progress
JF - Biotechnology progress
SN - 8756-7938
IS - 2
ER -