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RNA

Part:BBa_K1351022

Designed by: Philipp Popp & Roman Herzog   Group: iGEM14_LMU-Munich   (2014-10-01)

FsrA: Fur-regulated sRNA which binds the binding site sdhC

This part was generated with the RFC10 standard and has the following prefix and suffix:

prefix with EcoRI, NotI and XbaI: GAATTCGCGGCCGCTTCTAGAG
suffix with SpeI, NotI and PstI: TACTAGTAGCGGCCGCTGCAG

Sites of restriction enzymes generating compatible overhangs have the same color: EcoRI and PstI in blue, NotI in green, XbaI and SpeI in red.

This part is used in the 2014 LMU-Munich iGEM project [http://2014.igem.org/Team:LMU-Munich BaKillus].


Results: [http://2014.igem.org/Team:LMU-Munich/Results LMU-2014-Results]


This part is used in the 2014 LMU-Munich iGEM project [http://2014.igem.org/Team:LMU-Munich BaKillus].

FsrA: a small RNA Represses Expression of Succinate Dehydrogenase

Regulation of bacterial iron homeostasis is often controlled by the iron-sensing ferric uptake repressor (Fur). The Bacillus subtilis Fur protein acts as an iron-dependent repressor for siderophore biosynthesis and iron transport proteins. Furthermore it also coordinates an iron-sparing response that acts to repress the expression of iron-rich proteins (e.g. succinate dehydrogenase) when iron is limited. It has been shown that the downregulation of succinate dehydrogenase (SDH) is most likely caused by complementary binding of a small RNA, named fsrA, to the leader region of the sdhCAB mRNA, namely SdhC' (Fig. 1).

Fig. 1. Predicted pairing between fsrA and the 5’-leader region of sdhC, the first gene of the sdhCAB operon.

Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


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