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Table 3 Strains and plasmids used in this study

From: The non-pathogenic Escherichia coli strain W secretes SslE via the virulence-associated type II secretion system beta

E. colistrain or plasmid

Descriptiona

Reference or sourceb

Strains

  

  W

Wild-type E. coli W

ATCC 9637

  W Δgsp::Kan

W ΔgspC-M::FRT-kan-FRT

This work

  W Δgsp::FRT

W ΔgspC-M::FRT, derived by FLP recombination from W Δgsp::Kan

This work

  W ΔpppA::Kan

W ΔpppA::FRT-kan-FRT

This work

  W ΔpppA::FRT

W ΔpppA::FRT, derived by FLP recombination from W ΔpppA::Kan

This work

  W ΔsslE::Kan

W ΔsslE::FRT-kan-FRT

This work

  W ΔsslE::FRT

W ΔsslE::FRT, derived by FLP recombination from W ΔsslE::Kan

This work

Plasmids

 

This work

  pRH21

pACYC184-derived; trc promoter; lacIq

This work

  pRH31

pTrc99A-derived; trc promoter; lacIq

This work

  pMSD6

pRH21 with sslE cloned into the MCS

This work

  pMSD7

pRH21 with sslE lacking the signal peptide-encoding sequence cloned into the MCS

This work

  pMSD8

pRH21 with pppA cloned into the MCS

This work

  pRH153

pRH31 with an sslE-cel45A fusion cloned into the MCS

This work

  pRH154

pRH31 with an sslE-pel10A fusion cloned into the MCS

This work

  1. a MCS, multiple cloning site.
  2. b ATCC, American Type Culture Collection.