Table 2 Relative frequencies, medians and interquartile ranges (IQR) of the most abundant bacterial phyla (bold) and genera (italics) detected in AS of non-infected and infected bees.

From: Effect of Nosema ceranae infection and season on the gut bacteriome composition of the European honeybee (Apis mellifera)

Phylum/genera

Non-infected

Infected

p-value†

n (%)*

Median (IQR)

n (%)*

Median (IQR)

Proteobacteria

78 (100%)

81.41 (71.05–90.23)

80 (100%)

78.8 (66.6–88.16)

0.51

Snodgrassella

78 (100%)

24.09 (10.53–39.73)

80 (100%)

33.64 (16.71–44.38)

0.1

Gilliamella

78 (100%)

21.2 (14.99–35.6)

80 (100%)

20.31 (12.64–29.36)

0.18

Frischella

75 (96.15%)

6.17 (0.32–13.89)

73 (91.25%)

5.43 (0.44–12.27)

0.46

Pseudomonas

39 (50%)

 < 0.01 (< 0.01–0.06)

33 (41.25%)

 < 0.01 (< 0.01–0.05)

0.39

Bombella

50 (64.1%)

0.02 (< 0.01–0.11)

50 (62.5%)

0.04 (< 0.01–0.21)

0.62

Bartonella

22 (28.21%)

 < 0.01 (< 0.01–0.01)

19 (23.75%)

 < 0.01 (< 0.01–< 0.01)

0.48

Enterobacter

15 (19.23%)

 < 0.01 (< 0.01–< 0.01)

13 (16.25%)

 < 0.01 (< 0.01–< 0.01)

0.71

Pantoea

16 (20.51%)

 < 0.01 (< 0.01–< 0.01)

15 (18.75%)

 < 0.01 (< 0.01–< 0.01)

0.73

Lonsdalea

17 (21.79%)

 < 0.01 (< 0.01–< 0.01)

20 (25%)

 < 0.01 (< 0.01–< 0.01)

0.75

Morganella

14 (17.95%)

 < 0.01 (< 0.01–< 0.01)

13 (16.25%)

 < 0.01 (< 0.01–< 0.01)

0.83

Commensalibacter

27 (34.62%)

 < 0.01 (< 0.01–0.02)

26 (32.5%)

 < 0.01 (< 0.01–0.02)

0.69

Firmicutes

78 (100%)

15.61 (7.68–21.98)

80 (100%)

16.07 (8.91–24.58)

0.62

Lactobacillus

78 (100%)

13.34 (7.41–21.97)

80 (100%)

15.4 (8.74–24.38)

0.67

Fructobacillus

26 (33.33%)

 < 0.01 (< 0.01–0.02)

19 (23.75%)

 < 0.01 (< 0.01–< 0.01)

0.38

Leuconostoc

14 (17.95%)

 < 0.01 (< 0.01–< 0.01)

16 (20%)

 < 0.01 (< 0.01–< 0.01)

0.9

Spiroplasma

0 (0%)

 < 0.01 (< 0.01–< 0.01)

2 (2.5%)

 < 0.01 (< 0.01–< 0.01)

0.16

Actinobacteriota

76 (97.44%)

2.27 (0.76–4.62)

76 (95%)

1.74 (0.43–6.27)

0.56

Bifidobacterium

75 (96.15%)

2.19 (0.66–4.51)

74 (92.5%)

1.69 (0.43–6.27)

0.64

Bacteroidota

61 (78.21%)

0.04 (< 0.01–0.26)

56 (70%)

0.04 (< 0.01–0.33)

0.66

Apibacter

16 (20.51%)

 < 0.01 (< 0.01–< 0.01)

21 (26.25%)

 < 0.01 (< 0.01–< 0.01)

0.5

Dysgonomonas

15 (19.23%)

 < 0.01 (< 0.01–< 0.01)

11 (13.75%)

 < 0.01 (< 0.01–< 0.01)

0.33

Acidobacteriota

13 (16.67%)

 < 0.01 (< 0.01–< 0.01)

13 (16.25%)

 < 0.01 (< 0.01–< 0.01)

0.86

Minor_phyla

29 (37.18%)

 < 0.01 (< 0.01–0.01)

26 (32.5%)

 < 0.01 (< 0.01–< 0.01)

0.74

Minor_genera

72 (92.31%)

0.14 (0.03–0.52)

71 (88.75%)

0.14 (0.02–0.3)

0.8

Unclassified_genera

78 (100%)

1.88 (0.55–6.6)

80 (100%)

2.8 (0.32–9.42)

0.62

  1. *Number of samples in which the phylum/genus was detected (relative frequency of detection).
  2. †Wilcoxon rank sum test with Bonferroni correction.
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