E. coli Genetic Resources at Yale
CGSC, The Coli Genetic Stock Center

About the CGSC

• CGSC Home
• Scope of the Collection

Searching the CGSC Database

• Help With Query Forms
• Strain Query
• Mutation Query
• Gene/Site Query
• Gene Product Query
• Reference Query
• Query Help
• Info on Genetic Nomenclature

How to Request Strains or Information

• Reviving Strains
• Contact Information

Mutation trpR55

• Name: trpR55
• Type: Unknown
• Mutation of Gene: trpR
• Approx. Map Location: 99.81
• Synonyms

  Designation	Where Used
  trpR2

  
  
• Comments
  • is trpR2 of Yanofsky. It is a frameshift mutation. Trp levels are indistinguishable from those in trpR deletions or amber mutations (no functional repressor).
• References
  • Yanofsky, C., R.L. Kelley, V. Horn 1984. Repression is relieved before attenuation in the trp operon of Escherichia coli as tryptophan starvation becomes increasingly severe. J.Bacteriol. 158:1018-1024
• 40 Strains Carrying This Mutation

  Name	Mutations	Genotype
  CY15682	4	F-, λ-, IN(rrnD-rrnE)1, rph-1, trpR55
  CY15001	5	F-, λ-, IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  JRG153	5	F-, sucB9, λ-, IN(rrnD-rrnE)1, iclR17(Const), trpR55?
  CY15003	6	F-, λ-, Δ(trpD-trpL)824, IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  CY15004	6	F-, λ-, Δ(trpD-trpL)878, IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  CY15006	6	F-, λ-, trpL-729, IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  CY15007	6	F-, λ-, trpL-775, IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  CY15022	6	F-, λ-, IN(rrnD-rrnE)1, rph-1, tnaA5, rpoB2067, trpR55
  CY15023	6	F-, λ-, IN(rrnD-rrnE)1, rph-1, tnaA5, rpoB2068, trpR55
  CY15058	6	F-, Δ(argF-lac)169, λTL(trpL-lac), IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  CY15070	6	F-, lacIp-4000(lacIQ), λ-, IN(rrnD-rrnE)1, rph-1, tnaA5, trpR55
  LS340	6	F-, λ-, trpA9605(Am), his-85(Am), IN(rrnD-rrnE)1, metE70, trpR55
  LS853	6	F-, λ-, trpA9605(Am), his-85(Am), IN(rrnD-rrnE)1, ΔcyaA2, trpR55
  CY15010	7	F-, λ-, trpL-729, IN(rrnD-rrnE)1, rph-1, tnaA5, rpoB2069, trpR55
  CY15011	7	F-, λ-, trpL-729, IN(rrnD-rrnE)1, rph-1, tnaA5, rpoB2066, trpR55
  DS110	7	F-, pro-48, tsx-84, LAMdsu1+, trpA9605(Am), his-85(Am), trpR55, ilv-632
  JP2608	7	F', pro-48, tsx-84, λ-, trpA9605(Am), his-85(Am), trpR55, ilv-632, F14-15
  DS100	8	F-, pro-48, tsx-84, LAMcI857(ts), LAMdsu1+, trpA9605(Am), his-85(Am), trpR55, ilv-632
  LS289	8	F-, pro-48, tsx-84, λ-, trpA9605(Am), his-85(Am), IN(rrnD-rrnE)1, trpR55, ilv-632
  LS854	8	F-, λ-, trpA9605(Am), his-85(Am), IN(rrnD-rrnE)1, rpsL136(strR), Δcrp-3, metE70, trpR55
  ED8654	9	F-, Δ(codB-lacI)3, glnX44(AS), galK2(Oc), galT22, λ-, tyrT58(AS), metB1, hsdR514, trpR55
  KL692	9	F-, secA209(aziR), Δ(gpt-lac)5, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE90, trpR55
  RW231	9	F-, lacZ4503(Am), λ-, trpA9605(Am), kdgR50, Δ(eda-zwf)209, Δ(sbcB-rfb)210, recA1, rpsL125(strR), trpR55
  BD1528	10	F-, Δ(codB-lacI)3, glnX44(AS), galK2(Oc), galT22, λ-, tyrT58(AS), ung-1, metB1, hsdR514, trpR55
  KL318	10	F-, secA209(aziR), pro-48, lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE70, trpR55
  KL319	10	F-, secA209(aziR), pro-48, lacI22, trpA9605(Am), his-85(Am), gyrA19(NalR), recB21, rpsL171(strR), metE90, trpR55
  LJ111	10	F-, lacY1 or Δ(codB-lacI)3, glnX44(AS), galK2(Oc), galT22, λ-, tyrT58(AS), Δ(atoC-atoB)540, metB1, hsdR514, trpR55
  KL322	11	F-, secA209(aziR), pro-48, lacZ118(Oc), lacI22, trpA9605(Am), his-85(Am), gyrA19(NalR), recC22, rpsL171(strR), metE90, trpR55
  KL324	11	F-, secA209(aziR), pro-48, lacZ608(Am), lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE90, trpR55
  KL326	11	F-, secA209(aziR), pro-48, lacZ36, lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE90, trpR55
  SS320	11	F-, secA209(aziR), pro-48, lacZ118(Oc), lacI22, λ-, trpA9705(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE70, trpR55
  F597/EB54	12	F', secA209(aziR), pro-48, lacZ118(Oc), lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), recA1, rpsL171(strR), metE90, trpR55, F597
  KL321	12	F-, secA209(aziR), pro-48, lacZ118(Oc), lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), recB21, rpsL171(strR), metE90, trpR55
  KL323	12	F-, secA209(aziR), pro-48, lacZ118(Oc), lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), recA1, rpsL171(strR), metE70, trpR55
  KL325	12	F-, secA209(aziR), pro-48, lacZ608(Am), lacI22, e14-, trpA9605(Am), his-85(Am), gyrA19(NalR), serV43(AS), rpsL171(strR), metE70, trpR55
  SS3242	12	F-, secA219(aziR), pro-48, lacZ118(Oc), lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE90, zjj-2002::Tn10, trpR55
  SS5210	12	F-, secA219(aziR), pro-48, lacZ118(Oc), lacI22, λ-, trpA9605(Am), his-85(Am), gyrA19(NalR), rpsL171(strR), metE90, zji-2001::Tn10, trpR55
  KL239	13	F-, secA209(aziR), pro-48, lacZ118(Oc), lacI22, λ-, e14-, trpA9605(Am), his-85(Am), gyrA19(NalR), serV43(AS), rpsL171(strR), metE90, trpR55
  PLK1253	13	F-, pro-48, tsx-84, λ-, trpA9605(Am), Rac-0, zde-230::Tn9, zdf-234::Tn10, his-85(Am), thyA714, deo-70, trpR55, ilv-632, arg-59
  PLK1269	13	F-, pro-48, tsx-84, λ-, trpA9605(Am), Rac-0, zdd-235::Tn10, zde-230::Tn9, his-85(Am), thyA714, deo-70, trpR55, ilv-632, arg-59