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Table 1 Titers of S. meliloti in soil and plant tissues§

From: Exploring the plant-associated bacterial communities in Medicago sativa L

Sample

Titers

rpoE1-based

nodC-based

Pot 1

  

Soil

4.92 ± 2.82 x 104

2.78 ± 0.63 x 104

Nodules

3.07 ± 0.67 x 109

4.25 ±1.24 x 108 **

Stems

2.73 ± 1.21 x 104

3.22 ±2.4 x 103 *

Leaves

8.65 ± 4.04 x 103

4.28 ± 1.23 x 103

Pot 2

  

Soil

1.16 ± 0.33 x 104

2.88 ± 1.09 x 104

Nodules

1.20 ± 0.50 x 1010

1.01 ± 0.10 x 109 **

Stems

2.37 ± 0.49 x 103

1.13 ± 0.15 x 103

Leaves

9.74 ± 5.08 x 102

2.34 ±0.78 x 102

Pot 3

  

Soil

2.70 ± 0.41 x 105

7.42 ±0.93 x 104 *

Nodules

6.02 ± 1.45 x 109

2.02 ± 3.22 x 107 **

Stems

4.91 ± 0.95 x 105

1.07 ± 3.74 x 105

Leaves

5.54 ± 2.83 x 103

5.21 ± 3.01 x 103

  1. §Titers were estimated by qPCR [35] with rpoE1 and nodC markers and are expressed as n. of gene copies/g of tissue or soil; ± standard deviation from triplicate experiments. Asterisks indicate significant differences between estimates based on rpoE1 and nodC markers (*, P < 0.05; **, P < 0.01).
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BMC Microbiology

ISSN: 1471-2180

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