𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The effect of the OmpT protease on excision repair in UV-irradiated Escherichia coli

✍ Scribed by Milena Sedliaková; František Mašek; Viera Slezáriková; Miroslav Piršel

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
244 KB
Volume
41
Category
Article
ISSN
1011-1344

No coin nor oath required. For personal study only.

✦ Synopsis

The extent of pyrimidine dimcr excision ( PDE ) wax inhibited in U v -irradiated F. (wli KS272 1 o.q~7" ) cells who. dkey wcre preindnced by a low UV predose preceded by a nutrition stress but not in the preinduced E.t'oli SFI(IO lompT ) mutants. The preinduction, however. markedly inhibited PDE in the ompT cells transfi~rmed with a muhicopy plasmid carry, ing ompT gene The data are consistent with the hypothesis :hat the inducible OmpT protease ( cont,olled by rl.dl) might terminate the SOS peric, d of excision repair so that when cells are preinduced PDE might be inhibited prematurely.

~¢:. 1997 Elsevier Science S.A.

📜 SIMILAR VOLUMES

Mutation frequency decline in Escherichi
Mutation frequency decline in Escherichia coli. II. Kinetics support the involvement of transcription-coupled excision repair
✍ Bockrath, R. ;Li, B. -H. 📂 Article 📅 1995 🏛 Springer 🌐 English ⚖ 1021 KB

Mutation frequency decline (MFD) in Escherichia coli was examined to demonstrate repair of targeting photoproducts during the post-UV incubation required in this process. Repair of mutation-targeting cyclobutane pyrimidine dimers (T <> C) was demonstrated when a correlation was established between t

UmuC product contributes to the inhibiti
UmuC product contributes to the inhibition of dimer excision produced by thymine-less-amino acid-less pretreatment in UV-irradiated Escherichia coli
✍ F. Mašek; M. Sedliaková 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 546 KB

In UV-irradiated Escherichia coli, predamaged by thymine-amino acid starvation or a UV predose, a large amount of dimers may remain unexcised and may be tolerated by an error-free mechanism, which requires the function of uvr, recA and lexA genes. A possible role of the umuC gene in both the inhibit