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Table 4 Bacterial strains, plasmids, and primers used in this study.

From: Rhizobium leguminosarum bv. trifolii rosR is required for interaction with clover, biofilm formation and adaptation to the environment

Strain, plasmid or oligonucleotide primers

Relevant characteristics

Reference

R. leguminosarum bv. trifolii 24.2

Wild type, Rifr, Nxr

[23]

Rt2440

Rt24.2 derivative carrying rosR with one nucleotide deletion (ΔC177)

[23]

Rt5819

Rt24.2 derivative carrying the mini-Tn5 between 363-364 bp position of pssA

[30]

Rt2472

Rt24.2 derivative carrying the mini-Tn5 between 151-152 bp position of rosR

[30]

Rt2441

Rt24.2 with additional rosR upstream region introduced by pM41 integration, Kmr, Nxr

This work

E. coli

  

DH5α

supE 44 Δlac U169 (φ80 lacZ Δ M15) hsdR 17 recA 1endA 1gyrA 96 thi-1 relA 1

[67]

S17-1

294 derivative RP4-2Tc::Mu-Km::Tn7 chromosomally integrated

[79]

Plasmids

  

pK19mobGII

mob, lacZ α, gusA, Kmr

[80]

pBBR1MCS-2

mob, lacZ α, Kmr

[81]

pB31

pUC19 with 1174-bp Bam HI fragment containing Rt24.2 rosR

[23]

pM41

pK19mobGII with 586-bp Eco RI-Pst I fragment from pB31 containing the rosR upstream region

This work

pRC24

pRK7813 with 1174-bp Bam HI fragment containing rosR of Rt24.2

[23]

pBR24

pBBR1MCS-5 with 1174-bp Bam HI fragment containing rosR of Rt24.2

[23]

pEX1

pBBR1MCS-2 with 586-bp Eco RI-Pst I fragment containing the upstream region and the first 60 codons for RosR

This work

pEX8

pBBR1MCS-2 with 372-bp Eco RI-Xba I fragment containing the -403 bp to -32 bp rosR upstream region

This work

pEX9

pBBR1MCS-2 with 219-bp Eco RI-Xba I fragment containing the -403 bp to -185 bp rosR upstream region

This work

pEX60

pBBR1MCS-2 with 278-bp (-96 bp to +182 bp) Eco RI-Pst I fragment containing the first 60 codons for RosR cloned downstream the vector promoter

This work

pBR28

pBBR1MCS-2 with 820-bp (-96 bp to +724 bp) Eco RI-Bam HI fragment containing the full-length rosR cloned downstream the vector promoter

This work

pHC60

Vector with gfp and RK2 stabilization fragment, Tcr

[39]

Oligonucleotide primers

Sequence (5'-3') *

 

pEP1

ATGCAAGAATTC TGCACAGGAAGC

[23]

pEP5

CGGTCAGGAATTC TAAGAACAGGT

[23]

pEP6

TCGAAACAGGAATTC GATTCCTGC

[23]

pRR1

CGCATTCTAGA CATGTGATCTGCT

[23]

pEP8

AACGGCTCTAGA CTGACACGCCAAA

[23]

pEP9

TCATGCTCTAGA CGATGGCCTCAGT

[23]

rosA

GCGGATCC GCGACTTTACCAGATTTA

[23]

rosB

GTCACGCTCTTCGGAATTC AGGGGT

[23]

rosC

AGGGATCC ATTCTAAACCTGTCGGCA

[23]

rosD

TCGGATCC TGTCGGCAAAGCATAAGA

[23]

rosG1

GACGATCGAATTC GGCCGTCTCTT

This work

rosD4

TTGCGGATCC GCAGATGCCGGT

This work

rosD5

ACCACGCCTGGGATCC AGGAAAA

This work

  1. * Sequences for Eco RI, Bam HI and Xba I restriction sites are underlined.