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Table 3 Baseline bacterial proportional and absolute abundance of prevalent genera in the urethra and the coronal sulcus

From: Immune milieu and microbiome of the distal urethra in Ugandan men: impact of penile circumcision and implications for HIV susceptibility

Oxygen tolerance**

Taxa

Mean proportional abundance

Median log10 absolute abundance* (Q1-Q3)

Coronal sulcus

Urethra

Coronal sulcus

Urethra

n = 47

n = 46

n = 47

n = 46

AN

Prevotella

14.6%

9.5%

6.3 (4.9-7.1)

4.6 (3.0-5.8)

AN

Finegoldia

10.6%

2.4%

5.9 (5.1-6.8)

4.2 (3.2-5.3)

AN

Peptoniphilus

7.7%

5.0%

6.1 (5.1-6.9)

4.6 (3.5-5.5)

AN

Anaerococcus

7.2%

5.2%

6.0 (5.1-6.9)

4.6 (3.7-5.7)

AN

Dialister

2.6%

0.7%

5.1 (0.0-6.0)

3.2 (0.0-4.4)

AN

Peptostreptococcus

1.3%

0.8%

0 (0.0-4.3)

0 (0.0-3.6)

AN

Veillonella

0.3%

9.7%

0 (0.0-4.4)

0 (0.0-5.7)

FAN

Corynebacterium

11.2%

5.5%

5.4 (4.2-6.5)

4.4 (2.9-5.3)

AN

Unclassified Clostridiales

8.7%

7.5%

5.9 (3.7-6.9)

3.6 (0.0-5.3)

FAN

Staphylococcus

4.3%

2.9%

4.3 (0.0-5.7)

2.8 (0.0-4.4)

FAN

Streptococcus

1.4%

16.1%

0 (0.0-4.7)

5.2 (3.9-6.3)

FAN

Gardnerella

0.1%

5.8%

0 (0.0-0.0)

0.0 (0.0-5.0)

FAN/AN/MAE

Lactobacillus

0.0%

0.7%

0 (0.0-0.0)

0.0 (0.0-0.0)

  1. *16S rRNA gene copies per swab
  2. **AN strictly anaerobic, AE strictly aerobic, FAN facultative anaerobic, MAE microaerophilic