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Table 2 Subset S36a of S. meliloti 1021FDC5 genes differentially expressed under swarming-specific conditions

From: Transcriptome profiling of a Sinorhizobium meliloti fadD mutant reveals the role of rhizobactin 1021 biosynthesis and regulation genes in the control of swarming

Gene

Descriptions

M valueb

  

SS/L

7 h

SS/L

14 h

SS/S

7 h

SS/S

14 h

SMa0520

Transcriptional regulator, RpiR family

1,45

1,90

1,73

1,55

SMa0564

Putative dehydrogenase

-0,45

-1,12

-0,83

2,78

SMa1052

Conserved hypothetical protein

1,01

1,24

0,51

1,56

SMa1077 (nex18)c

Nex18 Symbiotically induced conserved protein

1,16

0,81

0,44

2,76

SMa1078

Conserved hypothetical protein

1,89

1,74

0,28

1,93

SMa1079 (tspO)

TspO Tryptophan rich sensory protein

1,36

0,31

0,59

1,91

SMa1100

Conserved hypothetical protein

1,31

1,61

0,52

1,57

SMa2339

Siderophore biosynthesis protein

0,80

1,33

1,55

-0,17

SMa2402 (rhbB)c

L-2,4-diaminobutyrate decarboxylase

1,84

0,75

2,58

-0,19

SMa2404 (rhbC)

RhbC rhizobactin biosynthesis protein

1,49

1,19

2,65

0,00

SMa2408 (rhbE)

RhbE rhizobactin biosynthesis protein

2,38

2,23

3,83

0,03

SMa2410 (rhbF)

RhbF rhizobactin biosynthesis protein

2,36

1,34

3,76

-0,11

SMa2414 (rhtA)c

RhtA rhizobactin transporter

1,43

1,64

2,68

0,05

SMb20005

Putative glutathione S-transferase

2,34

-0,08

0,31

-1,38

SMb20604

ABC transporter, permease

0,18

-4,84

0,20

1,14

SMb20605

ABC transporter, periplasmic solute-binding protein

0,01

-5,55

0,09

1,34

SMb21284

Putative polysaccharide deacetylase

-0,21

-1,55

-0,15

-1,15

SMb21431

Hypothetical protein, possibly C terminus of iron ABC transporter periplasmatic solute-binding protein

-0,34

1,75

1,44

-0,14

SMb21432

Putative iron uptake ABC transporter periplasmic solute-binding protein precursor

-1,07

1,63

2,15

-0,40

SMb21676

Hypothetical protein

0,17

1,92

-0,58

1,96

SMc00402

Hypothetical signal peptide protein

-0,03

1,91

1,42

-0,23

SMc00592

Hypothetical, transmembrane protein

-0,44

1,47

1,30

-0,23

SMc01242

Conserved hypothetical signal peptide protein

0,29

-1,35

0,13

1,04

SMc01417

Hypothetical protein

1,26

0,14

1,12

-0,05

SMc01510 (hmuV)

Putative hemin transport system ATP-binding ABC transporter

-0,06

1,48

1,53

-0,12

SMc01512 (hmuT)

Putative hemin binding periplasmic transmembrane protein

-0,34

1,49

1,39

0,09

SMc01513 (hmuS)c

Putative hemin transport protein

-0,93

1,34

2,60

-0,07

SMc01514

Conserved hypothetical protein

-1,14

1,50

2,37

-0,09

SMc01658 (fhuF)

Siderophore reductase

-0,39

1,28

2,03

-0,06

SMc01659 (fhuP)

Periplasmic component of ferrichrome and ferrioxamine B ABC transporter

-0,41

1,85

2,60

0,12

SMc01747 (hmuP)

Hypothetical protein, hemin uptake protein

-0,78

1,29

2,23

0,04

SMc01917 (nuoE1)

NADH dehydrogenase I chain E

0,03

1,21

-1,13

-0,14

SMc02084 (exbD)

Probable biopolymer transport transmembrane protein

-0,68

1,48

1,16

-0,03

SMc02085 (exbB)c

Probable biopolymer transport transmembrane protein

-0,54

1,82

1,55

-0,01

SMc02726 (shmR)

Hemin-binding outer membrane receptor

-0,11

2,02

2,84

0,30

SMc03167

MFS-type transport protein

1,09

0,62

1,27

0,38

  1. a The subset S36 comprises 36 genes showing differential expression in the two transcriptome comparisons aimed to identify swarming responsive genes (i.e. semisolid vs. solid and semisolid vs. broth); b log2 (experiment signal/control signal). Values in bold face indicate that they meet both M and p criteria; c Genes validated by RT-qPCR (see Fig. 5B). SS, growth in semisolid MM (0.6% agar); S, growth in solid MM (1.3% agar); L, growth in liquid MM.
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BMC Genomics

ISSN: 1471-2164

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