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Table 1 Transcriptional regulation patterns of glycerol-induced sporulation markers.

From: Global transcriptome analysis of spore formation in Myxococcus xanthus reveals a locus necessary for cell differentiation

marker

Mxan

Sporulation:

Detected in:

Max. reg.

Class

Ref.

  

S

G

S

G

   

Phenotype

        

exo

3227

N

N

Y

Y

NA*

I*

[24]

nla4

2516

N

N

NT

NT

NR

 

[23]

nla6

4042

N

N

NT

NT

20.6

I

[23]

nla18

3692

N

N

NT

NT

NR

 

[23]

nla24

7440

N

N

NT

NT

NR

 

[23]

Protein (gene)

        

S1 (ops)

5430

Y

Y

Y

Y

2.7

II

[28, 85]

U (pru)

3885

Y

NT

Y

Y

93.5

II

[29]

W (prw)

2491

Y

NT

Y

N

NR

 

[20]

S2 (tps)

5432

Y

Y

Y

N

3.7

II

[28, 85]

C (?)

?

NT

NT

Y

N

  

[19]

Activity (gene)

        
 

putative Mxan

      

isocitrate lyase

4.1.3.1

NT

Y

  

[50]

(aceA)

6442

    

126.1

I

 

malate synthase

2.3.3.9a

NT

Y

  

[50]

(aceB)

6441

    

36.3

I

 

isocitrate dehydrogenase

1.1.1.41

NT

Y

  

[31]

(icd)

3537

    

-2.54

  

trehalose synthesis

NT

Y

   

[30]

(treS)

3684

    

9.5

II

 

(treY)

1533

    

12.9

I

 

(treZ)

0541

    

NA

  

(otsAB)

1192

    

5.4

I

 
  1. Glycerol-induced sporulation markers displaying a mutant sporulation phenotype (Phenotype), encoding proteins identified in glycerol induced spores (Protein), or associated with upregulated activities (Activity). Mxan; gene id; S: starvation induced spores; G: glycerol induced spores; Max. reg.: maximum regulation in microarray analysis; NT: not tested; Y: yes; N: no; Class: I (peak upregulation 0.5-1 hours) or II (peak upregulation was 2-4 hours); ?: gene unknown. * gene not analyzable on chip but subsequent RT-PCR analysis indicated peak 724-fold regulation at 0.5 hours after induction (map I criteria). Underlined markers displayed a transcriptional regulation pattern consistent with the prediction from the literature.
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BMC Genomics

ISSN: 1471-2164

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