"
Team:Cambridge/References/ProjectBioluminescence/Recovery
From 2010.igem.org
m (header) |
m (→D-Cysteine: spacing at bottom) |
||
| Line 13: | Line 13: | ||
E. coli growth is impaired in the presence of micromolar amounts of D-cysteine. [http://www.ncbi.nlm.nih.gov/pubmed/11527960 Soutourina et al.] found that E. coli contain a D-cysteine desulfhydrase which can convert D-cysteine into pyruvate, H2S, and NH3. Overexpression of yedO (the E. coli gene encoding D-cysteine desulfydrase activity) protected E. coli against D-cysteine, whereas its inactivation rendered E. coli hypersensitive. With yedO intact, E. coli growth was improved by addition of D-cysteine as the sole sulfur source. | E. coli growth is impaired in the presence of micromolar amounts of D-cysteine. [http://www.ncbi.nlm.nih.gov/pubmed/11527960 Soutourina et al.] found that E. coli contain a D-cysteine desulfhydrase which can convert D-cysteine into pyruvate, H2S, and NH3. Overexpression of yedO (the E. coli gene encoding D-cysteine desulfydrase activity) protected E. coli against D-cysteine, whereas its inactivation rendered E. coli hypersensitive. With yedO intact, E. coli growth was improved by addition of D-cysteine as the sole sulfur source. | ||
Similar to L-cysteine, D-cysteine exerts toxicity through inhibition of threonine deaminase, a key enzyme of the isoleucine, leucine, and valine biosynthesis pathway. Growth protection against D-cysteine in minimal medium was conferred by simultaneous addition of isoleucine, leucine and valine. L-aspartate was also observed to exert a protective effect against D-cysteine toxicity. | Similar to L-cysteine, D-cysteine exerts toxicity through inhibition of threonine deaminase, a key enzyme of the isoleucine, leucine, and valine biosynthesis pathway. Growth protection against D-cysteine in minimal medium was conferred by simultaneous addition of isoleucine, leucine and valine. L-aspartate was also observed to exert a protective effect against D-cysteine toxicity. | ||
| - | |||
<html> | <html> | ||
</div> | </div> | ||
</html> | </html> | ||
| - | |||
{{:Team:Cambridge/Templates/footerMinimal}} | {{:Team:Cambridge/Templates/footerMinimal}} | ||
Revision as of 10:51, 3 August 2010
LRE
- Paper on isolation of A-LRE
- A-LRE (P.pyralis) Sequence
- RACE-based amplification of cDNA and expression of a luciferin-regenerating enzyme (LRE): An attempt towards persistent bioluminescent signal
CoA
D-Cysteine
E. coli growth is impaired in the presence of micromolar amounts of D-cysteine. Soutourina et al. found that E. coli contain a D-cysteine desulfhydrase which can convert D-cysteine into pyruvate, H2S, and NH3. Overexpression of yedO (the E. coli gene encoding D-cysteine desulfydrase activity) protected E. coli against D-cysteine, whereas its inactivation rendered E. coli hypersensitive. With yedO intact, E. coli growth was improved by addition of D-cysteine as the sole sulfur source. Similar to L-cysteine, D-cysteine exerts toxicity through inhibition of threonine deaminase, a key enzyme of the isoleucine, leucine, and valine biosynthesis pathway. Growth protection against D-cysteine in minimal medium was conferred by simultaneous addition of isoleucine, leucine and valine. L-aspartate was also observed to exert a protective effect against D-cysteine toxicity.
