ELIZA

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403337 occurrences (No.43 in the rank) during 5 years in the PubMed. [cache]

401) Though these cohort-specific clusters varied in VF gene combinations and cascade reactions affecting inflammation, they mainly contained VFs belonging to iron uptake, T3SS, and invasion classes.

--- ABSTRACT ---

PMID:34233588 DOI:10.1080/21505594.2021.1948252

2021 Virulence

* Suppressed inflammation in obese children induced by a high-fiber diet is associated with the attenuation of gut microbial virulence factor genes.

- In our previous study, a gut microbiota-targeted dietary intervention with a high-fiber diet improved the immune status of both genetically obese (Prader-Willi Syndrome, PWS) and simple obese (SO) children. However, PWS children had higher inflammation levels than SO children throughout the trial, the gut microbiota of the two cohorts was similar. As some virulence factors (VFs) produced by the gut microbiota play a role in triggering host inflammation, this study compared the characteristics and changes of gut microbial VF genes of the two cohorts before and after the intervention using a fecal metagenomic dataset. We found that in both cohorts, the high-fiber diet reduced the abundance of VF, and particularly pathogen-specific, genes. The composition of VF genes was also modulated, especially for offensive and defensive VF genes. Furthermore, genes belonging to invasion, T3SS (type III secretion system), and adherence classes were suppressed. Co-occurrence network analysis detected VF gene clusters closely related to host inflammation in each cohort. Though these cohort-specific clusters varied in VF gene combinations and cascade reactions affecting inflammation, they mainly contained VFs belonging to iron uptake, T3SS, and invasion classes. The PWS group had a lower abundance of VF genes before the trial, which suggested that other factors could also be responsible for the increased inflammation in this cohort. This study provides insight into the modulation of VF gene structure in the gut microbiota by a high-fiber diet, with respect to reduced inflammation in obese children, and differences in VF genes between these two cohorts.

--- ABSTRACT END ---

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(1)132 expression	(14)5 drive	(27)3 duplications	(40)2 for
(2)14 null	(15)5 editing	(28)3 ontology	(41)2 from
(3)12 expression,	(16)5 mutations	(29)3 signature	(42)2 fusion,
(4)11 and	(17)5 of	(30)3 to	(43)2 have
(5)10 encoding	(18)5 regulation	(31)3 which	(44)2 is
(6)10 set	(19)4 networks	(32)2 analysis	(45)2 ontologies
(7)8 in	(20)4 regulatory	(33)2 are	(46)2 or
(8)8 that	(21)4 silencing	(34)2 assay,	(47)2 pathways
(9)7 1	(22)4 transcription	(35)2 called	(48)2 profile
(10)6 interaction	(23)4 transfer	(36)2 cluster	(49)2 promoter
(11)6 therapy	(24)3 1/itaconate	(37)2 delivery	(50)2 sequencing
(12)6 was	(25)3 co-expression	(38)2 detection	(51)2 sets
(13)5 Expression	(26)3 coexpression	(39)2 expressions	(52)2 transcripts

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--- WordNet output for gene --- =>遺伝子 Overview of noun gene The noun gene has 1 sense (no senses from tagged texts) 1. gene, cistron, factor -- ((genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors") --- WordNet end ---