Table 1 Average number of distinct Streptomyces isolates (based on BOX PCR banding patterns) and standard deviation from diluted 0.25 g soil samples across land uses and physiographic provinces.

From: The Prevalence and Distribution of Neurodegenerative Compound-Producing Soil Streptomyces spp.

 

Agricultural

Undeveloped

Urban

Average

Appalachian Plateaus

22.1 ± 8.8 (6)

14.2 ± 8.6 (6)

23.3 ± 8.3 (4)

19.4 ± 9.1 (16)

Piedmont Province

22.2 ± 11.4 (5)

11.8 ± 7.8 (6)

23.8 ± 6.9 (5)

18.8 ± 9.9 (16)

Valley and Ridge

38.0 ± 1.1 (1)

14.5 ± 8.8 (4)

18.0 ± 10.6 (4)

18.7 ± 11.3 (9)

Black Belt Prairies

30.3 ± 8.5 (4)

13.3 ± 8.3 (3)

24.3 ± 14.4 (4)

22.6 ± 12.2 (14)

Coastal Plains

20.1 ± 10.3 (7)

18.9 ± 10.5 (11)

16.5 ± 5.7 (6)

18.7 ± 9.3 (25)

Interior Low Plateau

27.5 ± 9.9 (4)

18.3 ± 11.9 (3)

10.0 ± 0.0 (2)

20.6 ± 11.2 (9)

Average

24.1 ± 10.0 (27)

15.1 ± 9.2 (33)

20.0 ± 9.1 (25)

 
  1. Sample sizes are shown in parentheses.