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Tesis sobre el tema "Bifidobacterium infantis"

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Publicado: 4 de junio de 2021
Última modificación: 25 de mayo de 2024

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1

Gann, Reed N. "Host Signaling Response to Adhesion of Bifidobacterium infantis." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/586.

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Investigations of the molecular binding partners of the probiotic bacterium Bifidobacterium longum subspecies infantis (B. infantis) and the pathogen Salmonella enterica subspecies enterica serovar Typhimurium LT2 (Salmonella ser. Typhimurium) found that these two very different bacteria bind gangliosides. However, these organisms lead to completely different host health outcomes when present in the gut. B. infantis is the founding microbial population in the intestinal tract of breast-fed infants. S. typhimurium is the most important food-borne pathogen that results in humans. This study used
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2

Bahaka, Driss. "Analyse phenotypique et genotypique des souches du genre bifidobacterium appartenant ou apparentees aux especes b. Breve, b. Infantis et b. Longum." Lille 2, 1993. http://www.theses.fr/1993LIL2P254.

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3

Hung, Ming-Ni 1962. "Biochemical and genomic analysis of -galactosidases from Bifidobacterium infantis HL96." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36953.

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Among 29 strains of bifidobacteria studied as sources of beta-galactosidase enzyme, Bifidobacterium infantis HL96 showed the highest hydrolytic and transgalactosylic activities. This strain grew well in a MRS medium containing various sugars including lactose, and produced three beta-galactosidases (termed beta-Gal I, II, III).<br>Two genes, beta-galI and beta-galIII, located on 4.6 and 4.4 kb DNA fragments respectively, were cloned into E. coli, and the nucleotide sequences were determined. The 3,069 by-long beta-galI, encoded a polypeptide with a Mr of 113 kDa. A putative ribosome-binding si
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4

Tu, Liwen. "Cloning and sequence analysis of multiple genes from Bifidobacterium infantis /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3137758.

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5

Daigle, André. "Production d'un fromage à pâte ferme contenant des cellules vivantes de Bifidobacterium infantis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq25545.pdf.

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6

Sousa, Ana Lucia Orlandini Pilleggi de. "Viabilidade de Bifidobacterium animalis subsp. lactis HN019 em fórmulas infantis probióticas durante o armazenamento a 4 ºC." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/9/9133/tde-22082013-122441/.

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O objetivo deste trabalho foi estudar a viabilidade de Bifidobacterium animalis subsp. lactis HN019 em fórmulas infantis fermentadas ou não, probióticas durante armazenamento a 4°C. Três matrizes lácteas e três não lácteas (a base de soja) foram utilizadas para a elaboração de produtos fermentados ou não fermentados usando Bifidobacterium animalis subsp. lactis HN019, resultando em doze diferentes fórmulas probióticas para lactentes. O perfil de acidificação foi determinado a 42°C até pH 4,7. Determinações físico-químicas (sólidos totais, proteína, gordura, cinzas, carboidratos, calorias, dens
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7

Yam, Godward Georgia Nga-Mun, of Western Sydney Hawkesbury University, Faculty of Science and Technology, and of Science Food and Horticulture School. "Studies on enhancing the viability and survival of probiotic bacteria in dairy foods through strain selection and microencapsulation." THESIS_FST_SFH_YamGodward_G.xml, 2000. http://handle.uws.edu.au:8081/1959.7/411.

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In this study, strains of probiotic bacteria have been selected for tolerance to low pH, bile, sucrose, oxygen in media and low storage temperatures. Lactobacillus acidophilus 2401 and Bifidobacterium infantis 1912 were selected as strains able to survive in these conditions. These two strains were then offered further protection from the adverse conditions of food processing and storage by microencapsulation in a calcium alginate and starch gel matrix. Encapsulation in calcium alginate increases survival in yoghurt. In cheddar cheese the free L. acidophilus 2401 and B. infantis 1912 cells sur
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8

Andrade, Samir de Deus Elian. "Efeitos da administração intragástrica de Bifidobacterium longum subsp. infantis CHCC2228 em um modelo murino agudo de colite ulcerativa induzida por sulfato sódico de dextrana (DSS)." Universidade Federal de Minas Gerais, 2013. http://hdl.handle.net/1843/BUOS-9KKHBA.

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IBDs are chronic inflammatory conditions, characterized by remissions and relapses, whose main manifestations are ulcerative colitis and Crohn's disease. Ulcerative colitis, one of the main forms of IBDS has as standard treatment the use of corticosteroids and anti-inflammatory drugs. The use of antibiotics has also been reported, but the possible adverse effects must be taken into consideration and thus the use of probiotics emerges as a real possibility. In this study, we evaluated the possibility of using Bifidobacterium longum subsp. infantis CHCC2228 as treatment for ulcerative colitis in
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9

Yam, Godward Georgia Nga-Mun. "Studies on enhancing the viability and survival of probiotic bacteria in dairy foods through strain selection and microencapsulation." Thesis, View thesis View thesis, 2000. http://handle.uws.edu.au:8081/1959.7/411.

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In this study, strains of probiotic bacteria have been selected for tolerance to low pH, bile, sucrose, oxygen in media and low storage temperatures. Lactobacillus acidophilus 2401 and Bifidobacterium infantis 1912 were selected as strains able to survive in these conditions. These two strains were then offered further protection from the adverse conditions of food processing and storage by microencapsulation in a calcium alginate and starch gel matrix. Encapsulation in calcium alginate increases survival in yoghurt. In cheddar cheese the free L. acidophilus 2401 and B. infantis 1912 cells sur
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10

Watterlot, Laurie. "Analyse des effets de souches probiotiques anti-inflammatoires." Phd thesis, AgroParisTech, 2010. http://pastel.archives-ouvertes.fr/pastel-00570505.

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Les maladies inflammatoires chroniques de l'intestin sont caractérisées par une inflammation anormale et récurrente du tractus digestif. De nombreuses études ont démontré des effets bénéfiques de souches probiotiques anti-inflammatoires recombinantes ou non. La première partie de cette thèse décrit différentes stratégies d'optimisation de souches de bactéries lactiques en tant que vecteurs de protéines d'intérêt santé. Nous avons ainsi démontré qu'une modification du peptidoglycane de la paroie de Lactococcus lactis influençant la lyse bactérienne ne permettait pas de mod
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11

Watterlot, Laurie. "Analyse des effets de souches probiotiques anti-inflammatoires." Phd thesis, AgroParisTech, 2010. https://pastel.hal.science/docs/00/57/05/05/PDF/2010AGPT0028.pdf.

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En français : Les maladies inflammatoires chroniques de l'intestin sont caractérisées par une inflammation anormale et récurrente du tractus digestif. De nombreuses études ont démontré des effets bénéfiques de souches probiotiques anti-inflammatoires recombinantes ou non. La première partie de cette thèse décrit différentes stratégies d'optimisation de souches de bactéries lactiques en tant que vecteurs de protéines d'intérêt santé. Nous avons ainsi démontré qu'une modification du peptidoglycane de la paroie de Lactococcus lactis influençant la lyse bactérienne ne permettait pas de moduler l'i
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12

Aldis, Gary. "Analysis of the infant gut microbiota and investigation of bifidobacterial diversity and anti-microbial activity." Thesis, University of Reading, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.632825.

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Selected bacterial groups within the infant gut micro biota were investigated in relation to mode of delivery, initial diet (i.e. breast-fed versus formula-fed) and weaning. Colonic bacteria from 50 faecal samples (obtained from 30 infants during the milk-fed and, post-weaning phases) were enumerated by fluorescence in situ hybridisation. The probes used were as follows: Bac 303 (bacteroides), Bif 164 (bifidobacteria), Chis 150 (Clostridium clusters I and II), Erec 482 (Clostridium cluster XIVa), EC 1531 (Escherichia coli), Lab 158 (lactobacilli/enterococci group) and the DAPI nucleic acid sta
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13

Ojima, Miriam Nozomi. "APPLICATION OF ECOLOGICAL THEORIES TO THE GUT MICROBIOME AND BIFIDOBACTERIAL COMMUNITIES." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263793.

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14

Kang, Christina. "Effects of Delivery Mode on Initial Infant Gut Colonization And Subsequent Immune System Development." Scholarship @ Claremont, 2014. http://scholarship.claremont.edu/scripps_theses/379.

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Since the 1970s, the United States has encountered an increasing proportion of Cesarean deliveries (CS), surpassing the advised 10-15% maximum rate established in 1985 by the World Health Organization (World Health Organization, 1985). This increasing rate has fueled correlational and causational studies observing the impact of Cesarean delivery on several aspects of infant health. Previous studies on CS infants have observed a delay in gut colonization by beneficial bacteria – for instance Bifidobacteria – traditionally transmitted from the mother’s gut and vaginal microbiome as other environ
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15

Bazanella, Monika [Verfasser], Dirk [Akademischer Betreuer] Haller, Dirk [Gutachter] Haller, and Siegfried [Gutachter] Scherer. "Impact of early life intervention with four Bifidobacterium spp. on the infant faecal microbiota / Monika Bazanella ; Gutachter: Dirk Haller, Siegfried Scherer ; Betreuer: Dirk Haller." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/116152844X/34.

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16

Hoová, Julie. "Využití technik enkapsulace k přípravě výrobků určených pro dětskou výživu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-295718.

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The Diploma thesis deals with use of selected probiotic strains Lactobacillus acidophilus and Bifidobacterium breve in different forms in food for infants. The theoretical part is focused on describing probiotics, encapsulation methods and intestinal gut microbiota of infants. Further, characterization of individual periods of infant feeding and food for infants were introduced. In experimental part the possibilities of encapsulation and lyophilisation of probiotic cells were observed. Probiotic cells were encapsulated into alginate particles. The encapsulator was used for preparation of parti
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17

Šnajdarová, Karolína. "Enkapsulace probiotik a prebiotik do výrobků pro dětskou výživu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2018. http://www.nusl.cz/ntk/nusl-376827.

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The Diploma thesis deals with designing of probiotic dietary supplement for children with strains Lactobacillus acidophilus and Bifidobacterium breve and with prebiotics. Used prebiotics were Inulin, Chia fiber, Bamboo fiber, Chlorella + Spirulina and Yakon syrup. The theoretical part is focused on probiotics, prebiotics and their biological influence. In experimental part the possibilities of encapsulation into alginate particle and lyophilisation of probiotic cells were observed to find their good form to final nutritional product for children. Several types of probiotic with addition of pre
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18

Sjögren, Ylva Margareta. "Early-life gut microbiota and breast milk oligosaccharides in relation to childhood immune maturation and allergy." Doctoral thesis, Stockholms universitet, Wenner-Grens institut för experimentell biologi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-26781.

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Atopic allergy is the most common chronic disease among children in the developed world. This high prevalence could be associated with low microbial exposure. The early gut microbiota appears to be important for immune maturation. Immunomodulatory components in human milk might differ between mothers and could therefore explain the contradictory results seen regarding breastfeeding and allergy development. The aim of this thesis was to investigate whether early colonization with certain gut microbiota species influences childhood immune responses and allergy development up to age five. Also, a
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19

Dudrová, Markéta. "Přídavek probiotické složky do výrobků pro dětskou výživu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-449729.

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This Diploma thesis deals with preparation of probiotic cultures Lactobacillus acidophilus, Lactobacillus casei and Bifidobacterium breve enriched with prebiotics meant for application in baby food products. Natural extracts from matcha, moringa, young beat, young barley, chlorella and spirulina were selected as prebiotics. The theoretical part is focused on probiotic bacteria, their biological effects and their effects on the child´s body. The experimental part deals with the cultivation of probiotic bacteria with plant extracts, monitoring their viability and stabilization in an encapsulated
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20

Scuotto, Angelo. "Contribution à l’étude des agrégats bifides : sélection, caractérisation, mécanisme et prévention du diabète de type 1." Thesis, Lille 2, 2015. http://www.theses.fr/2015LIL2S014/document.

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Certaines souches de bifidobactéries entrent dans la composition de laits infantiles. Leurs propriétés (modulation du microbiome, régulation de la translocation bactérienne, maturation de cellules dendritiques) sont liées à la capacité de sécrétion de composés de haut poids moléculaire lors de la fermentation bactérienne. Les objectifs de ce travail sont, dans un premier temps, de caractériser les molécules issues de la fermentation de la souche de référence B.breve C50, et de déterminer si d’autres bifidobactéries peuvent sécréter des molécules de propriétés similaires. Les analyses associant
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21

Huang, Szu-Chi, and 黃思齊. "Immunomodulatory effect of Bifidobacterium logum subsp. infantis GB-1496 in mite allergen-sensitized murine model." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/34461619369098705314.

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碩士<br>國立中興大學<br>食品暨應用生物科技學系所<br>99<br>Over the years, lactic acid bacteria have long been regarded as the effectiveness of probiotics, which can maintain of intestinal microflora, reduce lactose intolerance, blood pressure, blood fats, anti-cancer, anti-inflammation and regulate the immune system. It is kind of functional food is widely liked by people. Bifidobacterium, is belong to lacitic acid bacteria family and the greatest microflora in the infant gut. In the studies found that the population of Bifidobacterium in the gut is associated with the life span of the host, and the more longevit
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22

Alsahly, Musaad Bedah. "Colonic morphological changes in rat model of TNBS-induced colitis after oral feeding of Bifidobacterium infantis, a probiotic." 2013. http://liblink.bsu.edu/uhtbin/catkey/1739767.

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23

Lo, Tzu-Chieh, and 羅子傑. "Molecular Cloning, Protein Expression and Activity Assay of N-acetylhexosamine 1-kinase from Bifidobacterium infantis and Galactokinase from Escherichia coli." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/12789575207460810414.

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碩士<br>國立交通大學<br>生物科技學系<br>103<br>Carbohydrates are distributed widely in nature. They are important nutrients for the human beings. It can be divided into four different categories: monosaccharides, disaccharides, oligosaccharides and polysaccharides. It plays a quite important role for lives. Polysaccharides can storage as energy substances, like starch and glycogen, or as animals’ exoskeleton and plants’ cell wall, like chitin and cellulose. In addition, the five-carbon aldose ribose is the material of diverse cofactor, including ATP, FAD and NAD. It is also related some genetic molecular ma
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24

Furman, David T. "The regulatory effects of Bifidobacterium infantis on the secretomotor activity of the enteric nervous system after oral feeding in animal model of TNBS colitis." 2011. http://liblink.bsu.edu/uhtbin/catkey/1656583.

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Bifidobacterium infantis (BI) and other probiotics are non-pathogenic living organisms that have recently gained attention for their possible therapeutic implications on the health of the digestive tract. The mechanisms by which probiotics exert their effects are largely unknown. This study explored the protective and regulatory effect of oral BI on the enteric nervous system (ENS) in the TNBS-induced colitis rats. Electrical field stimulation and chemical stimulation by serotonin (5-HT) were used to elicit changes in the short-circuit current (Isc) response of the colonic rat tissue. BI-fed c
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25

Stanwicks, Lauren L. "Probiotics as a Treatment for Increased Nighttime Activity in Rhesus Macaques (Macaca mulatta) Displaying Self-Injurious Behavior." 2016. https://scholarworks.umass.edu/masters_theses_2/448.

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Self-injurious behavior (SIB) is a behavioral pathology seen in a small percentage of humans and non-human primates. In one previous study, macaques with SIB had more sleep disruption than controls, but observations were limited. Two studies were conducted: a baseline study to investigate nighttime activity in rhesus macaques (Macaca mulatta) displaying SIB and controls, and a probiotic study to assess probiotic Bifidobacterium infantis 35624 for high nighttime activity. Subjects were 13 rhesus macaques, 5 with SIB (3 females; 1 SIB). Videocapture of Nighttime Activity (VNRA) was developed to
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26

Blaney, Caitlin. "An investigation of the effect of Bifidobacterium infantis on hippocampal interleukin-6 levels in a rodent model of hypoxia-ischemia following preterm birth." 2016. http://hdl.handle.net/1993/31669.

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Inflammation has modulatory effects on the brain, particularly during development. These plastic changes can hold severe functional consequences. Perinatal hypoxia-ischemia (HI)-induced inflammation can result in cerebral palsy and cognitive impairment. In an attempt to reduce inflammation in the brain, we assessed the probiotic Bifidobacterium (B.) infantis as an HI intervention, using a rat model. Rat pups, developmentally equivalent to preterm infants, were exposed to chronic hypoxia from postnatal (PND) 3 –PND 10. Inflammation was assessed through hippocampal concentrations of the cytokine
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27

Cheng, Ronshan. "Growth, physiological characteristics and plasmid profiles of Bifidobacterium species." Thesis, 1989. http://hdl.handle.net/1957/27146.

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The fecal flora of healthy bottle or breast-fed infants was examined for the presence of Bifidobacterium. Identification was based on the presence of fructose-6-phosphate phosphoketolase, which is found only in these bacteria. No bifidobacteria were recovered from bottle-fed infants. However, bifidobacteria were readily isolated from 15 day to 3 month old breast-fed infants. Further characterization revealed B. breve and B. longum were the dominant species in feces of breast-fed infants, but atypical strains also were found. A whey-based medium (7% sweet whey, 0.05% cysteine and 0.3% yeast ext
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28

Chotirosvakin, Chanita, and 呂秀清. "Screening Immunomodulatory Probiotics of Bifidobacterium strains Isolated from Breast-Fed Infant Feces and Breast Milk." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/75450393259029464712.

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碩士<br>國立中興大學<br>食品暨應用生物科技學系所<br>99<br>Bifidobacterium strains were well known as a predominant component of the intestinal flora in breast-fed infant feces and breast milk. This bacterial group plays a vital role in modulating host immunity and maintaining the gut health. In this study, the eighteen strains of Bifidobacterium strains which were isolated from infant feces and breast milk were screened for their ability to induce cytokines production by peripheral blood mononuclear cells (hPBMCs). The results indicated that not only different strains but also different species have different e
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