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Effect of Xylooligosaccharide on the Growth of Bifidobacteria 低聚木糖对双歧杆菌生长的影响
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.9.2_77
M. Okazaki, S. Fujikawa, N. Matsumoto
Xylooligosaccharide was found to have a favorable effect on human intestinal flora. Xylooligosaccharide was utilized by bifidobacteria, but it was not utilized by Escherichia coli and Clostridium spp. in vitro. In vivo, xylooligosaccharide (5 g/day) promoted the growth of bifidobacteria, lowered fecal pH and helped to maintain the fecal water content within normal range. These results showed that xylooligosaccharide can selectively promote the growth of bifidobacteria and help to establish favorable environmental conditions in the intestines.
低聚木糖被发现对人体肠道菌群有良好的作用。双歧杆菌利用低聚木糖,大肠杆菌和梭状芽胞杆菌不利用低聚木糖。在体内,低聚木糖(5 g/d)促进了双歧杆菌的生长,降低了粪便pH,并有助于将粪便含水量维持在正常范围内。上述结果表明,低聚木糖可以选择性地促进双歧杆菌的生长,并有助于在肠道内建立良好的环境条件。
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引用次数: 208
Fimbriae from Porphyromonas gingivalis Induce Chemiluminescence Response of Macrophages in a Different Manner to Its Lipopolysaccharide 牙龈卟啉单胞菌菌毛对其脂多糖不同方式诱导巨噬细胞的化学发光反应
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.11.1_39
E. Isogai, H. Isogai, N. Fujii, K. Hirose, H. Wakizaka, H. Miura, F. Yoshimura
Fimbriae from Porphyromonas gingivalis were found to induce an early chemiluminescence response of mouse peritoneal macrophages. A significant dose-dependent increase in the response was observed. The response induced by the fimbriae was different from that induced by the lipopolysaccharide (LPS) . Viable P. gingivalis whole cells stimulated macrophages and the chemiluminescence response cojoined the two responses induced by fimbriae and LPS. These observations suggest that P. gingivalis fimbriae may be involved in the pathogenesis of adult periodontal disease via the triggering of reactive oxygen intermediates by macrophages in the disease in a different manner to its LPS.
发现牙龈卟啉单胞菌菌毛可诱导小鼠腹膜巨噬细胞的早期化学发光反应。观察到反应的显著剂量依赖性增加。菌毛诱导的反应与脂多糖诱导的反应不同。活的牙龈假单胞菌全细胞刺激巨噬细胞,其化学发光反应是菌毛和LPS诱导的两种反应的结合。这些观察结果表明,牙龈假单胞菌菌毛可能通过巨噬细胞以不同于LPS的方式触发活性氧中间体,参与成人牙周病的发病机制。
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引用次数: 2
Inhibitory Effect of Japanese Green Tea Extracts on Growth of Canine Oral Bacteria 日本绿茶提取物对犬口腔细菌生长的抑制作用
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.11.2_53
E. Isogai, H. Isogai, N. Fujii, K. Kimura, H. Miura, M. Hayashi, S. Namioka, Masayoshi Kawasaki, Kunihiko Ikeda
The ethanol extracts from Japanese green tea from the leaf of Camellia sinensis (Japanese green tea) contained polyphenol compounds as major components. By liquid and gas chromatographic analysis, 5 catechin compounds were detected. The tea extracts (Deochon 13189-B, Deochon 30 EX and Camellia 50 EX) were found to effectively inhibit the growth of canine oral bacteria. Minimum inhibitory concentration (MIC) was different among genus, species and strains of the bacteria. Canine periodontal pathogens such as Porphyromonas assacharolytica were sensitive to the tea extracts. Similar result was obtained by using human oral bacteria including periodontal pathogens. These results suggest that the tea extracts would be useful as anti-periodontitis agent and/or flora control agent in dogs.
日本绿茶茶叶乙醇提取物主要成分为多酚类化合物。通过液相和气相色谱分析,检测到5种儿茶素类化合物。茶提取物(Deochon 13189-B、Deochon 30ex和Camellia 50ex)能有效抑制犬口腔细菌的生长。细菌的最小抑菌浓度(MIC)在属、种、菌株之间存在差异。犬牙周病原菌如溶糖卟啉单胞菌对茶提取物敏感。用包括牙周病原体在内的人类口腔细菌也获得了类似的结果。这些结果表明,茶提取物可能是有效的抗牙周炎剂和/或菌群控制剂。
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引用次数: 10
Effect of Diet and Aging on Human Fecal Microflora 饮食和年龄对人类粪便微生物群的影响
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.10.2_89
Y. Benno, T. Mitsuoka
The incidence of colon cancer varies widely throughout the world (8, 9). It has been demonstrated that the disease is much rarer in Africa, Asia, and South America than in Western Europe or North America (37) . The reason for this variation is unclear but epidemiological studies, focusing on genetic , cultural, environmental and economic factors suggest that the diet, in particular an increased intake of fat and animal protein, is strongly correlated with the incidence of colon cancer (19, 36) . Epidemiologic studies (7, 31, 36) also suggest that decreases in dietary fiber intake actually increase the incidence of several colonic disorders including: diverticular disease, cancer and constipation. Since some of the predominating bacteria in human fecal contents ferment various types of hemicelluloses (34), it would be of interest to determine the effects, if any, of dietary fiber on the human fecal flora. It is widely known that the composition of fecal flora in healthy infants differed according to the mode of feeding (2, 18, 23) . Although taxonomic studies on Bifidobacterium species present in feces of babies have been carried out (25, 32), the bulk of anaerobes and aerobes from their feces have not been identified at the species level. To address the aforementioned, the present studies were undertaken. Thus, the composition of the fecal flora of the following subjects were compared : (i) breastfed versus bottle-fed infants, (ii) rural Japanese with a low incidence of colon cancer , (iii) urban Canadians with a high incidence of colon cancer, (iv) Japanese volunteers given a high beef or a rice fiber diet (particularly brown rice), and (v) elderly Japanese in rural (Yuzurihara, Uenohara, Yamanashi Prefecture) and urban (Tokyo) areas of Japan, respectively.
结肠癌的发病率在世界各地差别很大(8,9)。研究表明,这种疾病在非洲、亚洲和南美洲比在西欧或北美要罕见得多(37)。造成这种差异的原因尚不清楚,但侧重于遗传、文化、环境和经济因素的流行病学研究表明,饮食,特别是脂肪和动物蛋白摄入量的增加,与结肠癌的发病率密切相关(19,36)。流行病学研究(7,31,36)也表明,膳食纤维摄入量的减少实际上增加了几种结肠疾病的发病率,包括:憩室病、癌症和便秘。由于人类粪便内容物中的一些主要细菌会发酵各种类型的半纤维素(34),因此确定膳食纤维对人类粪便菌群的影响(如果有的话)将是一项有趣的研究。众所周知,健康婴儿的粪便菌群组成因喂养方式的不同而不同(2,18,23)。尽管对婴儿粪便中存在的双歧杆菌种类进行了分类研究(25,32),但尚未在物种水平上鉴定出婴儿粪便中的大部分厌氧菌和需氧菌。为了解决上述问题,进行了目前的研究。因此,对以下受试者的粪便菌群组成进行了比较:(i)母乳喂养与奶瓶喂养的婴儿,(ii)结肠癌发病率低的日本农村,(iii)结肠癌发病率高的加拿大城市,(iv)给予高牛肉或大米纤维饮食(特别是糙米)的日本志愿者,以及(v)分别在日本农村(Yuzurihara,上野原,山奈县)和城市(东京)地区的日本老年人。
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引用次数: 7
Lactobacilli in the Alimentary Tract of Horses 马消化道中的乳酸杆菌
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.12.2_87
T. Fujisawa, K. Itoh, T. Mitsuoka
Total 286 strains of lactobacilli were isolated from different segments of the alimentary tract of healthy horses. They were identified by the carbohydrate fermentation patterns and physiological properties as L. salivarius (10 biovars), L. acidophilus (8 biovars), L. reuteri (8 biovars) and Lactobacillus spp. (2 biovars). L. acidophilus and L. reuteri were found in all parts of the alimentary tract, while L. salivarius were not isolated from the stomach. The unidentified Lactobacillus spp. were isolated only from feces.
从健康马消化道不同部位分离到286株乳酸菌。通过碳水化合物发酵方式和生理特性鉴定,分别为唾液乳杆菌(10个生物变种)、嗜酸乳杆菌(8个生物变种)、罗伊氏乳杆菌(8个生物变种)和乳杆菌(2个生物变种)。嗜酸乳杆菌和罗伊氏乳杆菌在消化道各部位均有发现,而唾液乳杆菌未从胃中分离出来。未鉴定的乳酸菌仅从粪便中分离得到。
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引用次数: 4
Growth of Bifidobacteria in Adults' Intestines on Oral Administration of Sugar Source, Pantethine and Riboflavin 口服糖源、泛氨酸和核黄素对成人肠道双歧杆菌生长的影响
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.3.1_43
K. Yazawa, A. Nakajima, Z. Tamura
Among 45 Bifidobacterium strains of adult origin , all required a sugar source (ex. lactose) and pantethine (or pantothenic acid), 35 strains required riboflavin , and 12 required thiamine as essential nutrients . Fifteen strains were able to grow on pantothenic acid as well as pantethine. Fewer than 9 strains required other nutrients. The sugar source (10 to 15 g/day), pantethine (50 mg/day) and riboflavin (5 mg/day) were orally administered to 2 healthy adults whose proportion of bifidobacteria in the intestinal florae was usually very low (less than 1% of total bacterial number) . The sugar source was lactulose, raffinose or inulin. Pantethine and riboflavin were packed together in capsules and enteric-coated. Administration of both sugar source and vitamin capsules caused marked growth of bifidobacteria (more than 40% of total bacterial number) in both adults. Administration of the sugar source alone caused moderate growth of bifidobacteria (13%), while administration of the vitamin capsules alone was ineffective. These results indicate that the sugar source is essential for growth of bifidobacteria in adults, as well as in infants, and that administration of pantethine and riboflavin is important.
在45株成人双歧杆菌中,所有菌株都需要糖源(如乳糖)和泛氨酸(或泛酸),35株需要核黄素,12株需要硫胺素作为必需营养素。15株菌株既能在泛酸上生长,也能在泛氨酸上生长。只有不到9个菌株需要其他营养物质。将糖源(10 ~ 15 g/d)、泛氨酸(50 mg/d)和核黄素(5 mg/d)口服给2名肠道菌群中双歧杆菌比例通常很低(不到细菌总数的1%)的健康成年人。糖源为乳果糖、棉子糖或菊糖。Pantethine和核黄素一起包装成胶囊并肠溶包衣。糖源和维生素胶囊均可引起双歧杆菌显著生长(占细菌总数的40%以上)。单独给予糖源可引起双歧杆菌的适度生长(13%),而单独给予维生素胶囊则无效。这些结果表明,糖源对成人和婴儿双歧杆菌的生长是必不可少的,并且泛氨酸和核黄素的管理是重要的。
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引用次数: 13
Individual and Seasonal Variations in the Composition of Fecal Microflora of Beagle Dogs 比格犬粪便菌群组成的个体和季节变化
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.11.2_69
Y. Benno, H. Nakao, K. Uchida, T. Mitsuoka
The fecal specimens from eight laboratory-bred male beagle dogs reared under similar conditions were analyzed for the individual variation and the seasonal variation in the composition of fecal microflora. Statistically significant differences in numbers of bacteroides, bifidobacteria, lecithinase-negative clostridia, lactobacilli, enterobacteria and enterococci were observed among individual animals. Megasphaera elsdenii was isolated from two of eight dogs. The microbial populations of bacteroides, clostridia, bifidobacteria, and peptostreptococci were associated with each other bacterial group. The seasonal variation in numbers of lecithinasenegative clostridia, Clostridium perfringens, peptostreptococci, enterococci, eubacteria, bifidobacteria, and lactobacilli, and in the incidences of staphylococci, bacilli, and yeasts were noted. The results of this study showed that apparent variations with individuals and season occurred on the fecal microflora of individual beagle dogs reared under similar conditions.
对8只在相似饲养条件下饲养的实验室雄性比格犬粪便标本进行了粪便菌群组成的个体差异和季节变化分析。动物个体间拟杆菌、双歧杆菌、卵磷脂酶阴性梭菌、乳酸菌、肠杆菌和肠球菌的数量差异有统计学意义。从8只狗中的2只身上分离出了elsdenmegasphaera。拟杆菌、梭状芽孢杆菌、双歧杆菌和胃链球菌的微生物种群相互关联。注意到卵磷脂阴性梭菌、产气荚膜梭菌、胃链球菌、肠球菌、真细菌、双歧杆菌和乳酸杆菌数量的季节性变化,以及葡萄球菌、杆菌和酵母菌的发病率。本研究结果表明,在相同饲养条件下饲养的比格犬个体粪便微生物群存在明显的个体和季节差异。
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引用次数: 17
Rapid Preparation of Functional Murine Peyer's Patch Cells 功能性小鼠Peyer’s斑块细胞的快速制备
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.9.2_87
I. Suzuki, K. Hashimoto, T. Yadomae
The preparation of cells of Peyer's patches (PP) from mice and some immunological activities of the cells were examined. The PP cells were obtained with high yield (> 1 •~ 107/CDF1 mouse) and viability (>97%), when the PP were cut and teased gently with two glasses in RPMI 1640 medium containing 5% heat-inactivated calf serum. The PP cells responded well to mitogens, and particularly the responses to a T cell mitogen, concanavalin A (Con A), were at similar levels to those of spleen cells. When the cells were stimulated with alloantigens in mixed lymphocyte reaction, significant response was observed. The PP cells cultured with lipopolysaccharide (LPS) exhibited polyclonal B cell responses (antigen-nonspecific increase in the number of antibody-producing cells) . Furthermore, the levels of anti sheep erythrocytes (SRBC) plaque-forming cells (PFC) in PP cell cultures increased significantly when the PP cells were cultured with SRBC in vitro. However, the PP cells did not show the natural killer (NK) activity. These results showed that the PP cells obtained by the physical method described here contained functionable T and B lymphocytes and accessory cells.
研究了小鼠Peyer’s patches (PP)细胞的制备及其免疫活性。将PP在含有5%热灭活小牛血清的RPMI 1640培养基中切开,用两杯轻轻戏弄,获得了高产量(>•~ 107/CDF1小鼠)和高活力(>97%)的PP细胞。PP细胞对有丝分裂原反应良好,尤其是对T细胞有丝分裂原——刀豆蛋白a (Con a)的反应,与脾细胞的水平相似。在混合淋巴细胞反应中,用同种异体抗原刺激细胞,观察到明显的应答。脂多糖(LPS)培养的PP细胞表现出多克隆B细胞反应(抗原非特异性增加抗体产生细胞的数量)。此外,在体外培养PP细胞时,抗绵羊红细胞(SRBC)斑块形成细胞(PFC)水平显著升高。而PP细胞未显示NK活性。这些结果表明,用物理方法获得的PP细胞含有功能性T淋巴细胞、B淋巴细胞和辅助细胞。
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引用次数: 5
Fecal Flora of Thai Residents in Japan; Comparison between Vegetarians and an Omnivore 旅居日本的泰国居民粪便菌群素食者和杂食者的比较
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.6.2_55
Charuay Ekataksin, Y. Inagaki, M. Higaki, R. Nakaya
The fecal bacterial flora of three healthy Thai residents in Japan were determined . Two were short-term or long-term vegetarians and one was a mixed-diet omnivore . The total bacterial counts of all these subjects were significantly lower than those of the average Japanese. The total counts and the numbers of anaerobic bacteria in the vegetarians were constant, whereas a fluctuation between the omnivore's two samplings was observed, accompanied with a decrease in bacteroidaceae , eubacteria, bifidobacteria, enterococci, and veillonellae, and an increase in Clostridium perfringens , lactobacilli, and staphylococci.
对3名健康泰国人在日本的粪便菌群进行了测定。其中两名是短期或长期素食者,另一名是混合饮食的杂食者。所有受试者的细菌总数明显低于日本人的平均水平。素食者的厌氧菌总数和数量是恒定的,而杂食者的两个样本之间存在波动,伴随着拟杆菌科、真细菌、双歧杆菌、肠球菌和细孔菌的减少,以及产气荚膜梭菌、乳酸菌和葡萄球菌的增加。
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引用次数: 0
Affinity of the Bifidobacterium to Intestinal Mucosal Epithelial Cells 双歧杆菌对肠粘膜上皮细胞的亲和力
Pub Date : 1900-01-01 DOI: 10.12938/BIFIDUS1982.1.1_51
Jin Said, K. Mochizuki, N. Homma
The affinity of Bifidobacterium (bifidus) to the mucosal epithelial cells of the ileum was studied. It was clarified that the polysaccharide fraction of the bifidus partici pated in the process of affinity. The changes of the intestinal flora of newborn infants were studied. Within two or three months of birth , a predominance of anaerobic bacteria was established, after which gradual changes in the common intestinal flora of the children occurred. Research on the species level of the bifidus in a mother and her baby revealed that soon after birth both mother and baby had the same species but that in the baby, there was a gradual change in species specific to the individual. The time of these displacements coincided with the appearance of antibody production of blood type substance in the newborn infant .
研究了双歧杆菌(bifidus)对回肠粘膜上皮细胞的亲和力。结果表明,双歧杆菌多糖组分参与了亲和过程。对新生儿肠道菌群的变化进行了研究。在出生后的两到三个月内,厌氧细菌就形成了优势,此后,儿童常见的肠道菌群发生了逐渐的变化。对母亲和婴儿的双歧症物种水平的研究表明,出生后不久,母亲和婴儿都有相同的物种,但在婴儿身上,个体特有的物种逐渐发生变化。这些移位的时间与新生儿血型物质抗体产生的时间一致。
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引用次数: 11
期刊
Bifidobacteria and Microflora
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