Table 1 The major features of intratumoral microbiota

From: Intratumoral microbiota: roles in cancer initiation, development and therapeutic efficacy

Tumor type

Bacterial compositions

Effect 1

Ref. 1

Fungal compositions

Effect 2

Ref. 2

Intestinal cancer

E. coli

Initiation of cancers

DNA mutations

68

Saccharomycetales, S. cerevisiae, C. albicans

No results posted

30

B. fragilis

74,76

C. jejuni

75

H. pylori

Activating carcinogenic pathways

79

S. typhi

80,81

F. nucleatum

Promoting tumor progression

Promoting chronic inflammation

62

P. gingivalis

86

Bifidobacterium

Enhancing antitumor immune response

STING signaling activation

93

H. hepaticus

TLS production

101

Fusobacterium

Decreasing antitumor immune response

Upregulation of ROS

90,102

Methylobacterium

T cell inactivation

107

Glioblastoma

Acinetobacter, N. macacae, E. cloacae

No results posted

8

C. parapsilosis, C. Sphaerospermum, M. globose

No results posted

30

Pancreatic ductal adenocarcinoma

E. asburiae, K. pneumonia, C. freundii

No results posted

8

Y. bubula

No results posted

30

P. gingivalis

Promoting tumor progression

Promoting chronic inflammation

66

Malassezia

Promoting tumor progression

Activation complement system

27

Saccharopolyspora, Pseudoxanthomonas, Streptomyces

Enhancing antitumor immune response

T cell activation

43

Melanoma

P. marcusii, S. aureus

No results posted

8

M. restricta, M. globose

No results posted

30

A. muciniphila

Enhancing antitumor immune response

STING signaling activation

44

Lachnoclostridium

T cell activation

95

Bifidobacterium

NK cell activation

100

Lung cancer

Corynebacterium, L. iners, S. yunnanensis, P. marcusii, K. pneumonia, R. mucosa, N. macacae

No results posted

8

Capnodiales, C. sphaerospermum

No results posted

30

Breast cancer

S. infantis, L. iners, Corynebacterium, F. nucleatum, P. marcusii, S. cohnii, S. aureus, Acinetobacter

No results posted

8

M. arunalokei, M. restricta, M. globosa, Y. porcina, Aspergillus, A. penicillioides, Capnodiales, S. roseus

No results posted

30

Staphylococcus, Lactobacillus, Streptococcus

Promoting tumor progression

Initiating metastasis

87

Clostridiales

Enhancing antitumor immune response

T cell activation

94

Ovarian cancer

R. mucosa, Sphingomonas, S. cohnii

No results posted

8

A. clavatophorus, V.victoria, P. hubeiensis, P. juncicola, A. penicillioides

No results posted

30

Bone cancer

S. yanoikuyae, A. massiliensis, P. argentinensis, E. asburiae

No results posted

8

Alternaria, A. glabripes, C. parapsilosis, P. juncicola, P. hubeiensis

No results posted

30