Strain screening and sodium lactate effect on spiramycin production in Streptomyces spiramyceticus

Strain screening and sodium lactate effect on spiramycin production in Streptomyces spiramyceticus Strain improvement and addition of sodium lactate to fermentation medium to enhance the productivity of spiramycin were performed. Of the sodium lactate tolerant mutants that were screened, one mutant, Streptomyces spiramyceticus 16-10-12, produced 23 % more spiramycin than the original strain, Streptomyces spiramyceticus 5-1. The effect of sodium lactate on spiramycin production with S. spiramyceticus 16-10-12 was studied. The titer was improved by 16.9 % with the addition of 15 g L−1 sodium lactate in the fermentation medium at the beginning. The results from using the new process in a 15 L bioreactor showed that there were more precursors in fermentation broth with a sodium lactate tolerant mutant, and that these precursors were used more than with the original strain. After adding sodium lactate, the titer was increased by 23.4 %, because the flux to TCA circulation was increased, more precursors had been produced and the activities of Acyl-CoA synthetases, Acylphosphotransferases and Acylkinases in synthesis phase were also increased. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Strain screening and sodium lactate effect on spiramycin production in Streptomyces spiramyceticus

Loading next page...
 
/lp/springer_journal/strain-screening-and-sodium-lactate-effect-on-spiramycin-production-in-C0pl0wi0TL
Publisher
Springer Netherlands
Copyright
Copyright © 2015 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-015-2107-1
Publisher site
See Article on Publisher Site

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

Monthly Plan

  • Read unlimited articles
  • Personalized recommendations
  • No expiration
  • Print 20 pages per month
  • 20% off on PDF purchases
  • Organize your research
  • Get updates on your journals and topic searches

$49/month

Start Free Trial

14-day Free Trial

Best Deal — 39% off

Annual Plan

  • All the features of the Professional Plan, but for 39% off!
  • Billed annually
  • No expiration
  • For the normal price of 10 articles elsewhere, you get one full year of unlimited access to articles.

$588

$360/year

billed annually
Start Free Trial

14-day Free Trial