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Protein families:signaling and cellular processes Group
Protein families:metabolism Brite hierarchies Control
Protein families:genetic information processing Burn
Transport and catabolism
Cellular community⁃prokaryotes
Cellular community⁃eukaryotes Cellular processes
Cell motility
Cell growth and death
Signaling molecules and interaction
Environmental information
Signal transduction
Membrane transport processing
Translation
Transcription Genetic information
Replication and repair processing
Substance dependence
Neurodegenerative disease
Infectious disease:viral
Infectious disease:parasitic
Infectious disease:bacterial
Immune disease
Endocrine and metabolic disease Human diseases
Drug resistance:antineoplastic
Drug resistance:antimicrobial
Cardiovascular disease
KEGG pathway Xenobiotics biodegradation and metabolism
Cancer:specific types
Cancer:overview
Nucleotide metabolism
Not included in regular maps
Metabolism of terpenoids and polyketides
Metabolism of other amino acids
Metabolism of cofactors and vitamins Metabolism
Lipid metabolism
Glycan biosynthesis and metabolism
Energy metabolism
Carbohydrate metabolism
Biosynthesis of other secondary metabolism
Amino acid metabolism
Unclassified:signaling and cellular processes
Unclassified:metabolism
Unclassified:genetic information processing Not included in pathway or brite
Poorly characterized
Nervous system
Immune system
Excretory system
Environmental adaptation
Endocrine system Organismal systems
Digestive system
Development and regeneration
Circulatory system
Aging
0 10 20 30
Relative abundance(%)
图7 KEGG功能相对丰度条形图
Figure 7 Bar chart of relative abundance of KEGG functional categories
性,菌种间的相互作用以协同作用为主(图 8)。在 相关性的菌属有11类,其中4类呈正相关,7类呈负
具有相关性的菌属中,厚壁菌门下的菌属与其他门 相关;与Romboutsia 属具有相关性的菌属共有9种,
类的菌属具有最大的相关性。相关性网络节点数 其中 3 类呈负相关,7 类呈正相关;与罗斯氏菌属具
最多的属包括高氏瘤胃球菌属([Ruminococcus] 有相关性的菌属共有 7 类,其中 4 类呈正相关,3 类
gauvreauii group)、无毒梭菌属、普雷沃氏菌属、Rom⁃ 呈负相关。
boutsia 属、罗斯氏菌属(Rothia)以及霍尔德曼氏菌
3 讨 论
属。其中,与高氏瘤胃球菌属具有相关性的菌属共
有 8 类,乏氧菌属与其呈负相关,其余 7 种呈正相 随着老龄化加速,50岁及以上烧伤患者比例逐
关;与无毒梭菌属具有相关性的菌属共有 11 类,其 年上升 [12] ,给烧伤中心带来严峻挑战 [13] 。肠道微生
中呈正相关的菌属有6类,呈负相关的菌属有5类; 态是维持肠道屏障功能的重要系统 [14-15] 。然而,严
与普雷沃氏菌属具有相关性的菌属共有 9 类,其中 重烧伤引发的应激反应破坏了肠道微环境稳态,导
琼脂杆菌属与其呈正相关;与霍尔德曼氏菌属具有 致微生物群类型、数量及分布异常,细菌易位至肠

