Enhanced production of nukacin D13E in Lactococcus lactis NZ9000 by the additional expression of immunity genes

Tijo Varghese Puramattathu, Mohammad R. Islam, Mami Nishie, Sae Yanagihara, Jun Ichi Nagao, Ken Ichi Okuda, Takeshi Zendo, Jiro Nakayama, Kenji Sonomoto

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Nukacin D13E (D13E) is a variant of type-A(II) lantibiotic nukacin ISK-1 produced by Staphylococcus warneri ISK-1. D13E exhibited a twofold higher specific antimicrobial activity than nukacin ISK-1 against a number of Gram-positive bacteria. We previously reported the heterologous production of D13E in Lactococcus lactis NZ9000 under the control of nisin-controlled gene expression system. In this study, we demonstrated enhanced production of D13E by the additional expression of immunity genes, nukFEG. The nukacin ISK-1 immunity, conferred by the ABC transporter complex, NukFEG, and the lantibiotic-binding protein, NukH, was not overwhelmed by D13E. The additional NukFEG resulted in a fourfold increase in the immunity level of the strain and a 5.2-fold increase in D13E production. The additional NukFEGH-expressing strain with the highest D13E immunity showed reduced level of production. Further improvement in D13E production was achieved by using pH-controlled batch fermentation.

Original languageEnglish
Pages (from-to)671-678
Number of pages8
JournalApplied Microbiology and Biotechnology
Volume93
Issue number2
DOIs
Publication statusPublished - Jan 1 2012

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Lactococcus lactis
Immunity
Gene Expression
Bacteriocins
Nisin
ATP-Binding Cassette Transporters
Gram-Positive Bacteria
Staphylococcus
Fermentation
Carrier Proteins
nukacin ISK-1

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

Puramattathu, T. V., Islam, M. R., Nishie, M., Yanagihara, S., Nagao, J. I., Okuda, K. I., ... Sonomoto, K. (2012). Enhanced production of nukacin D13E in Lactococcus lactis NZ9000 by the additional expression of immunity genes. Applied Microbiology and Biotechnology, 93(2), 671-678. https://doi.org/10.1007/s00253-011-3563-1

Enhanced production of nukacin D13E in Lactococcus lactis NZ9000 by the additional expression of immunity genes. / Puramattathu, Tijo Varghese; Islam, Mohammad R.; Nishie, Mami; Yanagihara, Sae; Nagao, Jun Ichi; Okuda, Ken Ichi; Zendo, Takeshi; Nakayama, Jiro; Sonomoto, Kenji.

In: Applied Microbiology and Biotechnology, Vol. 93, No. 2, 01.01.2012, p. 671-678.

Research output: Contribution to journalArticle

Puramattathu, Tijo Varghese ; Islam, Mohammad R. ; Nishie, Mami ; Yanagihara, Sae ; Nagao, Jun Ichi ; Okuda, Ken Ichi ; Zendo, Takeshi ; Nakayama, Jiro ; Sonomoto, Kenji. / Enhanced production of nukacin D13E in Lactococcus lactis NZ9000 by the additional expression of immunity genes. In: Applied Microbiology and Biotechnology. 2012 ; Vol. 93, No. 2. pp. 671-678.
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