双歧杆菌

应用real-timePcR法快速定量人类粪便中双歧杆菌的研究

A fast quantification for Bifidobacteria in human feces by real-time PCR

双歧杆菌对大鼠腹腔巨噬细胞NF-κB和IκB的影响

Influence of bifidobacterium on NF - κ B and I κ B in murine peritoneal macrophages

双歧杆菌脂磷壁酸对NF-κB在结肠癌细胞中表达的影响

Effect of lipoteichoic acid of Bifidobacterium on NF - κ B expression in colon cancer cells

DNA指纹图谱鉴别双歧杆菌的研究

DNA fingerprinting characterization of bifidobacteria

双歧杆菌的生长促进因子（大豆低聚糖、乳酮糖、维生素C）对驯化前后菌体的生长促进作用和最佳使用浓度不变。

Growth-promoting factors for bifidobacteria ( soybean oligosaccharide , lactulose , vitamin C ) promoted both obligate and partical anaerobes .

双歧杆菌DNA对小鼠巨噬细胞中PKC和NF-κB的影响

Influence of bifidobacterium DNA on PKC and NF - κ B in murine macrophages

各处理对回肠双歧杆菌的影响差异不显著（P0.05）。

Ileal Bifidobacteria in each treatment was not difference ( P0.05 ) .

双歧杆菌属内种或生物型的区分主要依据是它们的糖类发酵能力和DNA同源模板的研究。

The designation of species and biotypes is on the basis of carbohydrate fermentation physiological characteristics and DNA-DNA homology studies .

又考虑到双歧杆菌的生长受到pH值和酸根离子的抑制。

The growth of Bacillus bifidus could also be restrained by pH and the ion of acid radical .

双歧杆菌DNA对巨噬细胞MAPK的影响

Influence of Bifidobacterium DNA on MAPK of macrophages

双歧杆菌对SD大鼠空肠黏膜分泌型免疫球蛋白A的影响

Effect of Bifidobacterium on the jejunal mucosal secretion of sIgA in SD Rat

双歧杆菌脂磷壁酸对衰老小鼠胸腺Bcl-2、Fas基因表达的影响

Effect of Lipoteichoic Acid from Bifidobacterium on Bcl-2 、 Fas Gene Expression in Aging Mice

H2O2适应对双歧杆菌部分特性的影响及其遗传稳定性

Influence of Hydrogen Peroxide Stress Adaptation on Bifidobacteria Characteristics and Hereditary Stability of Adaptive Response to Hydrogen Peroxide in Bifidobacteria

各处理组对盲肠中肠球菌和双歧杆菌数的影响差异不显著（P0.05）。

No significant difference was observed in Enterococcus and Bifidobacterium among the treatments in the cecum ( P0.05 ) .

A组同B组相比，双歧杆菌的数量在创伤后各时相点偏低，而大肠杆菌的水平则较高。

Bacillus bifidus amounts of group A were significantly lower than that of group B at every time point , the diversity of Escherichia coli was opposite .

结论胆管结扎导致SD大鼠肠道双歧杆菌结构发生异常变化。

Conclusion Bile duct ligation can cause different structural shifts of the gut bifidobacteria in SD rats .

目的：探讨结肠菌群构成与乳糖不耐受（Lactoseintolerance，LI）症状之间的关系，以及饮奶对结肠双歧杆菌数量的影响。

Objective : To study the relationship between colonic microflora and lactose intolerance symptoms .

RAPD分析快速鉴定双歧杆菌

Rapid identification of bifidobacteria by RAPD

方法：实验分为二部分：第一部分用普通PCR法定量人类粪便中双歧杆菌。

Method : There are two parts in the experiment : One part is using normal PCR quantifying bifidobacteria in human feces .

青春双歧杆菌对NOD小鼠1型糖尿病的免疫调节作用

Immunoloregulation effects of Bifidobacterium adolescentis on NOD mouse with type 1 diabetes mellitus

双歧杆菌对人大肠癌HT（29）细胞谷胱甘肽巯基转移酶基因的诱导表达

Gene inductive expression of Bifidobacterium on glutathione S-transferase in ht_ ( 29 ) cell line

双歧杆菌DNA注射组巨噬细胞中，NF-κB+细胞的密度显著高于对照组（P<0.01）。

The density of NK - κ B ~ + macrophages in bifidobacterium DNA injection group was markedly higher than that in control group ( P < 0.01 ) .

目的分析胆管结扎对SD大鼠肠道双歧杆菌菌群结构组成的影响。

Objective To analyze the influence of bile duct ligation on the structure and composition of gut Bifidobacteria in SD rats .

16Srdna同源性所揭示的双歧杆菌与有关细菌的亲缘关系

Phylogenetic relationship between the genus Bifidobacterium and related bacteria based on 16S rDNA homology

双歧杆菌属有特殊的形态、生理、生物化学特性、细胞壁构成、DNA碱基组成和磷脂组成，这些构成了双歧杆菌属生物学分类的依据。

Bifidobacteria have characteristic morphology , physiology biochemical characteristics , cell-wall constituents , DNA-base composition and phospholipids composition . These are foundation stones of biological classification of the genus Bifidobacteria .

结论：青春型双歧杆菌的DNA可通过活化PKCα、PKCβII和NF-κB来激活巨噬细胞。

CONCLUSION : DNA of bifidobacteria adolescence could activate macrophages by promoting the activity of PKC α、 PKC β II and NF - κ B.

试验Ⅲ组的乳酸菌和双歧杆菌数均高于对照组，差异不显著（P0.05）。

Lactic acid bacteria and Bifidobacteria of group ⅲ were higher than the control , but the difference was not significant ( P0.05 ) .

大鼠喂食添加紫菜等9种食用海藻的饲料后，均能对其盲肠微生物区系及代谢产物和血清脂质水平产生不同的影响：使肠道中的双歧杆菌数量增加，pH值降低；

After feeding with nine kinds of laver ( Porphyra spp ), the different effects on microflora , metabolized products and different degree of serum lipid were produced .

应用16Srdna鉴定食品中的双歧杆菌

16S rDNA-based Identification of Bifidobacterium in Foods

双歧杆菌16Srdna群特异性PCR方法的建立及对鸭肠道双歧杆菌的检测

The Establishment of 16S rDNA Group-Specific PCR Method for the Detection of Bifidobacterium and Application in Duck Intestinal Tract