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Artículos de revistas sobre el tema "Colonisation de la cellulose"

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Autor: Grafiati

Publicado: 29 de junio de 2023

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1

Inceer, Huseyin. "Achene slime content in some taxa of Matricaria L. (Asteraceae)". Acta Botanica Croatica 70, n.º 1 (1 de enero de 2011): 109–14. http://dx.doi.org/10.2478/v10184-010-0005-6.

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Achene slime content in some taxa ofMatricariaL. (Asteraceae)The achenes ofMatricaria aureaand two varieties ofM. chamomilla(var.chamomillaand var.recutita) have slime cells on the surface and they are characterized by slime envelope formation during hydration. The slime in these taxa is composed of pectins and cellulose. The slime could play important role in the distribution and colonisation of new habitats inMatricariataxa.

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2

Spiers, Andrew J. "A Mechanistic Explanation Linking Adaptive Mutation, Niche Change, and Fitness Advantage for the Wrinkly Spreader". International Journal of Evolutionary Biology 2014 (16 de enero de 2014): 1–10. http://dx.doi.org/10.1155/2014/675432.

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Experimental evolution studies have investigated adaptive radiation in static liquid microcosms using the environmental bacterium Pseudomonas fluorescens SBW25. In evolving populations a novel adaptive mutant known as the Wrinkly Spreader arises within days having significant fitness advantage over the ancestral strain. A molecular investigation of the Wrinkly Spreader has provided a mechanistic explanation linking mutation with fitness improvement through the production of a cellulose-based biofilm at the air-liquid interface. Colonisation of this niche provides greater access to oxygen, allowing faster growth than that possible for non-biofilm—forming competitors located in the lower anoxic region of the microcosm. Cellulose is probably normally used for attachment to plant and soil aggregate surfaces and to provide protection in dehydrating conditions. However, the evolutionary innovation of the Wrinkly Spreader in static microcosms is the use of cellulose as the matrix of a robust biofilm, and is achieved through mutations that deregulate multiple diguanylate cyclases leading to the over-production of cyclic-di-GMP and the stimulation of cellulose expression. The mechanistic explanation of the Wrinkly Spreader success is an exemplar of the modern evolutionary synthesis, linking molecular biology with evolutionary ecology, and provides an insight into the phenomenal ability of bacteria to adapt to novel environments.

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3

Dydak, Karolina, Adam Junka, Grzegorz Nowacki, Justyna Paleczny, Patrycja Szymczyk-Ziółkowska, Aleksandra Górzyńska, Olga Aniołek y Marzenna Bartoszewicz. "In Vitro Cytotoxicity, Colonisation by Fibroblasts and Antimicrobial Properties of Surgical Meshes Coated with Bacterial Cellulose". International Journal of Molecular Sciences 23, n.º 9 (27 de abril de 2022): 4835. http://dx.doi.org/10.3390/ijms23094835.

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Hernia repairs are the most common abdominal wall elective procedures performed by general surgeons. Hernia-related postoperative infective complications occur with 10% frequency. To counteract the risk of infection emergence, the development of effective, biocompatible and antimicrobial mesh adjuvants is required. Therefore, the aim of our in vitro investigation was to evaluate the suitability of bacterial cellulose (BC) polymer coupled with gentamicin (GM) antibiotic as an absorbent layer of surgical mesh. Our research included the assessment of GM-BC-modified meshes’ cytotoxicity against fibroblasts ATCC CCL-1 and a 60-day duration cell colonisation measurement. The obtained results showed no cytotoxic effect of modified meshes. The quantified fibroblast cells levels resembled a bimodal distribution depending on the time of culturing and the type of mesh applied. The measured GM minimal inhibitory concentration was 0.47 µg/mL. Results obtained in the modified disc-diffusion method showed that GM-BC-modified meshes inhibited bacterial growth more effectively than non-coated meshes. The results of our study indicate that BC-modified hernia meshes, fortified with appropriate antimicrobial, may be applied as effective implants in hernia surgery, preventing risk of infection occurrence and providing a high level of biocompatibility with regard to fibroblast cells.

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4

Sahasakul, Yuraporn, Naoki Takemura y Kei Sonoyama. "Gastric emptying is involved inLactobacilluscolonisation in mouse stomach". British Journal of Nutrition 112, n.º 3 (22 de mayo de 2014): 408–15. http://dx.doi.org/10.1017/s0007114514000968.

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Lactobacilli are indigenous microbes of the stomach of rodents, with much lower numbers being present in mice fed a purified diet than in those fed a non-purified diet. We postulated that gastric emptying (GE) is responsible for the different colonisation levels of lactobacilli and tested this hypothesis in the present study. BALB/cCr Slc mice were fed either a non-purified diet or a purified diet for 2 weeks. The number of gastric tissue-associated lactobacilli was lower in mice fed the purified diet than in those fed the non-purified diet. GE, estimated by measuring the food recovered from the stomach, was higher in mice fed the purified diet than in those fed the non-purified diet and correlated negatively with the number of lactobacilli. Mice fed the non-purified diet exhibited lower GE rates even when lactobacilli were eliminated by ampicillin administration through the drinking-water, suggesting that GE is the cause but not the consequence of differentLactobacilluscolonisation levels. The plasma concentrations of acylated ghrelin, a gastric hormone that promotes GE, were higher in mice fed the purified diet than in those fed the non-purified diet. There was a negative correlation between GE and the number of lactobacilli in mice fed the non-purified diet, the purified diet, and the purified diet supplemented with sugarbeet fibre (200 g/kg diet) or carboxymethyl cellulose (40 g/kg diet). We propose that a higher GE rate contributes, at least in part, to lower gastric colonisation levels of lactobacilli in mice fed a purified diet.

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5

Bowman, AM, DM Hebb, D. Munnich, GL Rummery y J. Brockwell. "Field persistence of Bradyrhizobium sp. (Lupinus) inoculant for serradella (Ornithopus compressus L.)". Australian Journal of Experimental Agriculture 35, n.º 3 (1995): 357. http://dx.doi.org/10.1071/ea9950357.

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Experiments were conducted, in situ in north-western New South Wales and in the laboratory, to evaluate the longevity of Bradyrhizobium sp. (Lupinus) inoculated as a peat culture onto seed of yellow serradella (Ornithopus compressus L.). Observations were made on the field persistence of the inoculant strain over 2 years. Two categories of seed were examined: seed encased in a segment of pod coat (hulled), and seed from which the pod coat had been removed (dehulled). The use of adhesive (methyl cellulose or gum arabic) ensured that the inoculant adhered to the seed. At a constant temperature of l8�C, inoculant applied to hulled seed survived for >8 months without loss of viability. Type of adhesive did not affect survival. At the 2 field sites, inoculated seed was sown into dry soil. Inoculant was sufficiently viable for 77-159 days to colonise the rhizospheres of young serradella and to form nodules on a significant (P<0.05) proportion of the plants. Rhizosphere colonisation and nodulation were better with hulled seed than with dehulled seed but were not affected by type of adhesive. Evidence is presented that the inoculant was able to establish in these soils as a permanent component of the soil microflora and to persist as a reservoir of inoculum for annually regenerating serradella.

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6

Focardi, Silvano. "Development and Maturation of Microbiota in Cow Rumen, Plant-Fibers Degradation and Influences on the Immune System and Cow Health". Corpus Journal of Dairy and Veterinary Science (CJDVS) 3, n.º 4 (5 de diciembre de 2022): 1–2. http://dx.doi.org/10.54026/cjdvs1047.

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Rumen is part of the forestomach of ruminants and plays a key role in the conversion of feed into metabolites that are absorbed and used by the host. The rumen is also the place of formation of proteins of microbial origin, which represent a source of energy for the host animal. From a functional point of view, ruminants are monogastric at birth as they have an undeveloped forestomach system. Microbial communities in the rumen first show colonization by bacteria, followed by that of methanogenic Archaea and then anaerobic fungi and protozoa. In newborn calves, molecular-based techniques evidenced initial rumen colonisation by facultative anaerobic bacteria, as the phyla Proteobacteria and Firmicutes, with genera Enterococcus and Streptococcus and the species Escherichia coli, followed by Archaea within a few hours after birth. These early colonizers utilize the oxygen available in the rumen, thus creating an anaerobic environment conducive to the growth of rigorous anaerobic communities, including Bifidobacterium and Bacteroides. The strict anaerobic bacterial community, including cellulolytic and proteolytic bacteria, establishes and dominates the rumen microbiome within the first two weeks of life. The entire microbial community allows ruminants to use ligno-cellulosic materials and non-protein nitrogen to produce high-quality food. Importantly, these close anaerobic bacterial communities in the rumen of newborns play an essential role in the development of the mucosal immune system. A healthy rumen leads to healthy ruminants with optimal performance. It is worth highlighting the importance of the microbiome in maintaining the health of cattle and its potential in alleviating disease. This mini-review described the development of the cow microbiome in the rumen, the degradation abilities and influence of the feed on the rumen microbiota, and the microbiota effects on the cow’s immune system and health.

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7

Boureau, L. Hartmann, T. Karjalaine, H. "Models to Study Colonisation and Colonisation Resistance". Microbial Ecology in Health and Disease 12, n.º 2 (enero de 2000): 247–58. http://dx.doi.org/10.1080/08910600050216246.

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8

Boureau, H., L. Hartmann, T. Karjalainen, I. Rowland y M. H. F. Wilkinson. "Models to Study Colonisation and Colonisation Resistance". Microbial Ecology in Health and Disease 12, n.º 4 (20 de diciembre de 2000): 247–58. http://dx.doi.org/10.1080/089106000750060503.

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9

Prudhomme, Claude. "Colonisation-Évangélisation". Histoire monde et cultures religieuses 5, n.º 1 (2008): 177. http://dx.doi.org/10.3917/hmc.005.0177.

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10

Cawkwell, G. L. "Early Colonisation". Classical Quarterly 42, n.º 2 (diciembre de 1992): 289–303. http://dx.doi.org/10.1017/s0009838800015937.

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It is commonly supposed that in the eighth century B.c. there was a ‘population explosion’ in Greece which moved the Greeks to send out colonies. A. J. Graham in the Cambridge Ancient History iii, 3 (1982) is typical: ‘The basic active cause of the colonizing movement was overpopulation’; ‘at the very time when the Archaic colonising movement began, in the second half of the eighth century, there was a marked increase in population in Greece’ (p. 157). The presumed connection between overpopulation and colonisation is not immediately obvious. The evidence for the population explosion is found in the increased number of burials in Attica and the Argolid, but Athens sent out no colony before the very end of the seventh century and Argos probably none at all, certainly none in this period. So special explanations have to be formulated for Athens' and Argos' lack of colonies while their postulated ‘population explosion’ is presumed for Greece as a whole and called in to explain the burst of colonising in the eighth century. The hypothesis is not used for seventh-century colonisation when the number of burials declines.

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11

Corthier, M. C. Barc, P. Nguyen Van, G. "Effect of Dietary Factors on Colonisation Resistance and Colonisation". Microbial Ecology in Health and Disease 12, n.º 2 (enero de 2000): 48–52. http://dx.doi.org/10.1080/089106000435590-1.

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12

Corthier, G., M. C. Barc y P. Nguyen Van. "Effect of Dietary Factors on Colonisation Resistance and Colonisation". Microbial Ecology in Health and Disease 12, n.º 4 (20 de diciembre de 2000): 48–52. http://dx.doi.org/10.1080/089106000750060297.

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13

CLUZET, V. C., J. S. GERBER, I. NACHAMKIN, S. E. COFFIN, M. F. DAVIS, K. G. JULIAN, T. E. ZAOUTIS et al. "Factors associated with persistent colonisation with methicillin-resistantStaphylococcus aureus". Epidemiology and Infection 145, n.º 7 (21 de febrero de 2017): 1409–17. http://dx.doi.org/10.1017/s0950268817000012.

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SUMMARYWe conducted a prospective cohort study between 1 January 2010 and 31 December 2012 at five adult and paediatric academic medical centres to identify factors associated with persistent methicillin-resistantStaphylococcus aureus(MRSA) colonisation. Adults and children presenting to ambulatory settings with a MRSA skin and soft tissue infection (i.e. index cases), along with household members, performed self-sampling for MRSA colonisation every 2 weeks for 6 months. Clearance of colonisation was defined as two consecutive negative sampling periods. Subjects without clearance by the end of the study were considered persistently colonised and compared with those who cleared colonisation. Of 243 index cases, 48 (19·8%) had persistent colonisation and 110 (45·3%) cleared colonisation without recurrence. Persistent colonisation was associated with white race (odds ratio (OR), 4·90; 95% confidence interval (CI), 1·38–17·40), prior MRSA infection (OR 3·59; 95% CI 1·05–12·35), colonisation of multiple sites (OR 32·7; 95% CI 6·7–159·3). Conversely, subjects with persistent colonisation were less likely to have been treated with clindamycin (OR 0·28; 95% CI 0·08–0·99). Colonisation at multiple sites is a risk factor for persistent colonisation and may require more targeted decolonisation efforts. The specific effect of clindamycin on MRSA colonisation needs to be elucidated.

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14

Morissonneau, Christian. "La colonisation équivoque". Articles 19, n.º 1 (12 de abril de 2005): 33–53. http://dx.doi.org/10.7202/055772ar.

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Cet article cherche à retrouver les significations des mouvements de colonisation québécois au XIXe siècle. Les interprétations semblent rendre univoque ce phénomène aux multiples aspects. L'article ne retient pas les seules finalités agricoles et forestières. Les conduites des colons et le discours d'un leader colonisateur sont examinés. Le colon n'est pas tant vu comme agriculteur ou bûcheron que comme participant d'une tradition de mobilité (coureur de bois, voyageur, forestier, colon), c'est-à-dire du nomadisme québécois (dichotomie colon/habitant ou forêt/terre). La logique interne du mouvement est analysée à travers les idées de l'abbé Provost (1860-1880) sur l'ouverture de la Mattawinie (nord de Joliette, dans les Laurentides). On y trouve un plan d'occupation du territoire et de développement économique qui permet de critiquer l'étiquetage « agriculturiste » des leaders de la colonisation. Trois composantes principales se dégagent de ces idées : une stratégie géopolitique, un projet religieux, un développement économique par étapes.

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15

Senior, Tim. "Class and colonisation". British Journal of General Practice 69, n.º 685 (25 de julio de 2019): 402. http://dx.doi.org/10.3399/bjgp19x704909.

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16

Iteanu, Olivier. "La colonisation digitale". Constructif N° 58, n.º 1 (4 de junio de 2021): 18–21. http://dx.doi.org/10.3917/const.058.0018.

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17

Robertson, Claire, Yvonne Knibiehler, Régine Goutalier y Regine Goutalier. "Femmes et colonisation". Canadian Journal of African Studies / Revue Canadienne des Études Africaines 22, n.º 3 (1988): 672. http://dx.doi.org/10.2307/485965.

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18

Rail, Geneviève y Mélisse Lafrance. "Émancipation ou colonisation ?" Articles 17, n.º 1 (29 de octubre de 2004): 173–201. http://dx.doi.org/10.7202/009300ar.

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Résumé À partir des Études culturelles féministes et postmodernistes, nous procédons à l’analyse de messages publicitaires réalisés par la compagnie Nike. Nous avançons que la « colonisation » du corps féminin faite par cette compagnie a nourri le sentiment postféministe dans l’imaginaire nord-américain. Nous illustrons la façon dont Nike a envahi l’univers sémiotique et social tout en misant sur des stratégies mondialistes qui permettent l’exploitation de femmes en Asie. Nous concluons en expliquant comment Nike en est arrivée à se positionner en tant que productrice non seulement de chaussures, mais aussi de discours sur la normalité et la vérité.

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19

Zorn, Jean-François. "Émancipation et colonisation". Autres Temps. Les cahiers du christianisme social 25, n.º 1 (1990): 55–65. http://dx.doi.org/10.3406/chris.1990.2555.

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20

Delamard, Julie. "Colonisation et histoire". Hypothèses 10, n.º 1 (2007): 243. http://dx.doi.org/10.3917/hyp.061.0243.

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21

Ballantyne, Tony. "Mobility, Empire, Colonisation". History Australia 11, n.º 2 (enero de 2014): 7–37. http://dx.doi.org/10.1080/14490854.2014.11668514.

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22

Engerman, Stanley L. y Kenneth L. Sokoloff. "Colonisation and Development". Economic History of Developing Regions 27, sup1 (junio de 2012): S28—S40. http://dx.doi.org/10.1080/20780389.2012.658660.

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23

Geddes, D. M. "Infection v. colonisation". Intensive Care Medicine 16, S3 (marzo de 1990): S201—S205. http://dx.doi.org/10.1007/bf01709701.

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24

Lewis, Joseph M., Rebecca Lester, Paul Garner y Nicholas A. Feasey. "Gut mucosal colonisation with extended-spectrum beta-lactamase producing Enterobacteriaceae in sub-Saharan Africa: a systematic review and meta-analysis". Wellcome Open Research 4 (23 de octubre de 2019): 160. http://dx.doi.org/10.12688/wellcomeopenres.15514.1.

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Background: Extended-spectrum beta-lactamase producing Enterobacteriaceae (ESBL-E) threaten human health; and, in areas of sub-Saharan Africa (sSA) where carbapenems are not available, may render ESBL-E infections untreatable. Gut mucosal colonisation probably occurs before infection, making prevention of colonisation an attractive target for intervention, but the epidemiology of ESBL-E in sSA is poorly described. Objectives: Describe ESBL-E colonisation prevalence in sSA and risk factors associated with colonisation. Methods: Studies included were prospective cross-sectional or cohort studies reporting gut mucosal ESBL-E colonisation in any population in sSA. We searched PubMed and Scopus on 18 December 2018. We summarise the range of prevalence across sites and tabulated risk factors for colonisation. The protocol was registered (Prospero ID CRD42019123559). Results: From 2975 abstracts we identified 32 studies including a total of 8619 participants from a range of countries and settings. Six studies were longitudinal; no longitudinal studies followed patients beyond hospital discharge. Prevalence varied between 5 and 84% with a median of 31%, with a relationship to setting: pooled ESBL-E colonisation in community studies was 18% (95% CI 12 to 28, 12 studies); in studies recruiting people at admission to hospital colonisation was 32% (95% CI 24 to 41% 8 studies); and for inpatients, colonisation was 55% (95% CI 49 to 60%, 7 studies). Antimicrobial use was associated with increased risk of ESBL-E colonisation, and protected water sources or water treatment by boiling may reduce risk. Conclusions: ESBL-E colonisation is common in sSA, but how people become carriers and why is not well understood. To inform the design of interventions to interrupt transmission in this setting requires longitudinal, community studies.

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25

Lewis, Joseph M., Rebecca Lester, Paul Garner y Nicholas A. Feasey. "Gut mucosal colonisation with extended-spectrum beta-lactamase producing Enterobacteriaceae in sub-Saharan Africa: a systematic review and meta-analysis". Wellcome Open Research 4 (24 de enero de 2020): 160. http://dx.doi.org/10.12688/wellcomeopenres.15514.2.

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Background: Extended-spectrum beta-lactamase producing Enterobacteriaceae (ESBL-E) threaten human health; and, in areas of sub-Saharan Africa (sSA) where carbapenems are not available, may render ESBL-E infections untreatable. Gut mucosal colonisation probably occurs before infection, making prevention of colonisation an attractive target for intervention, but the epidemiology of ESBL-E in sSA is poorly described. Objectives: Describe ESBL-E colonisation prevalence in sSA and risk factors associated with colonisation. Methods: Studies included were prospective cross-sectional or cohort studies reporting gut mucosal ESBL-E colonisation in any population in sSA. We searched PubMed and Scopus on 18 December 2018. We summarise the range of prevalence across sites and tabulated risk factors for colonisation. The protocol was registered (Prospero ID CRD42019123559). Results: From 2975 abstracts we identified 32 studies including a total of 8619 participants from a range of countries and settings. Six studies were longitudinal; no longitudinal studies followed patients beyond hospital discharge. Prevalence varied between 5 and 84% with a median of 31%, with a relationship to setting: pooled ESBL-E colonisation in community studies was 18% (95% CI 12 to 28, 12 studies); in studies recruiting people at admission to hospital colonisation was 32% (95% CI 24 to 41% 8 studies); and for inpatients, colonisation was 55% (95% CI 49 to 60%, 7 studies). Antimicrobial use was associated with increased risk of ESBL-E colonisation, and protected water sources or water treatment by boiling may reduce risk. Conclusions: ESBL-E colonisation is common in sSA, but how people become carriers and why is not well understood. To inform the design of interventions to interrupt transmission in this setting requires longitudinal, community studies.

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26

Morissonneau, Christian y Maurice Asselin. "La colonisation au Québec : une décolonisation manquée". Cahiers de géographie du Québec 24, n.º 61 (12 de abril de 2005): 145–55. http://dx.doi.org/10.7202/021465ar.

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Les mouvements de colonisation au Québec (l'ouverture des fronts pionniers) ont été décrits avec des objectifs agricoles. Pourtant, l'ouverture des régions du Nord, entre autres, signifie d'abord une politique d'élargissement du territoire national (une géopolitique) comme réaction au contexte global interne et externe du pays. La colonisation, entendue comme occupation et développement des régions « neuves », est une décolonisation manquée : l'appropriation de l'espace s'est faite symboliquement et non matériellement (l'exemple de l'Église et de la Mine). La colonisation au Québec a été en fait la colonisation anglo-saxonne du territoire québécois en agrandissement. Le mythe construit comme signification de la colonisation nordique (le mythe du Nord) est le mythe fondateur de l'État-Nation québécois.

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27

Scanlon, Elizabeth. "Wound infection and colonisation". Nursing Standard 19, n.º 24 (23 de febrero de 2005): 57–67. http://dx.doi.org/10.7748/ns.19.24.57.s57.

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28

Claval, Paul. "La colonisation de l’Irlande". Géographie et cultures, n.º 62 (1 de julio de 2007): 139–41. http://dx.doi.org/10.4000/gc.2410.

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29

Scanlon, Elizabeth. "Wound infection and colonisation". Nursing Standard 19, n.º 24 (23 de febrero de 2005): 57–67. http://dx.doi.org/10.7748/ns2005.02.19.24.57.c3812.

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30

Lantheaume, Françoise. "Manuels d’histoire et colonisation". Lidil, n.º 35 (1 de junio de 2007): 159–75. http://dx.doi.org/10.4000/lidil.2283.

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31

Vidal, Dominique. "Israël : colonisation, brutalisation, radicalisation". Confluences Méditerranée N° 100, n.º 1 (2017): 41. http://dx.doi.org/10.3917/come.100.0041.

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32

Margolin, Jean-Louis, Pierre Brocheux, Daniel Hemery y Philippe Franchini. "Indochine: la colonisation ambigue". Vingtième Siècle. Revue d'histoire, n.º 49 (enero de 1996): 162. http://dx.doi.org/10.2307/3770534.

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33

Coquery-Vidrovitch, Catherine. "Femmes africaines, colonisation, développement". Diplômées 175, n.º 1 (1995): 333–36. http://dx.doi.org/10.3406/femdi.1995.7175.

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34

Bashkirov, Mikhail. "Colonisation, acculturation et métissage". Anthropologie et Sociétés 38, n.º 2 (21 de julio de 2014): 193–209. http://dx.doi.org/10.7202/1026171ar.

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Cet article présente l’histoire et l’émergence des communautés métissées de la Iakoutie du XVIIe au XIXe siècle. Dès l’époque des premiers contacts au XVIIe, les Iakoutes, une population autochtone de la Sibérie, ont subi l’influence économique, sociale et politique des colonisateurs russes. Le métissage entre les Russes et les populations locales a permis l’émergence de communautés métissées dont la culture est distincte de leurs ascendants russes et autochtones. Le processus d’adaptation aux différentes conditions géographiques et naturelles des groupes d’immigrants russes a défini la ligne de développement de ces communautés en Iakoutie. Chaque communauté avait un caractère unique et une identité locale. L’histoire des villages de Amga-Sloboda, Russkoye Ustye et Pokhodsk peut illustrer cette tendance. En général, la population de ces villages porte le nom de russkie starozhilu (« vieux colons russes »), mais en même temps chacune de ces communautés a transformé des éléments de sa culture russe et iakoute et se distingue fortement des autres communautés voisines.

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35

Calvet, Louis-Jean. "2. Métissage et colonisation". Vibrations 1, n.º 1 (1985): 22–27. http://dx.doi.org/10.3406/vibra.1985.849.

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36

Adélaïde-Merlande, Jacques. "Faune, flore et colonisation". Bulletin de la Société d'Histoire de la Guadeloupe, n.º 158 (2011): 91. http://dx.doi.org/10.7202/1036829ar.

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37

Kukletová, I. y P. Buchta. "Façade biological colonisation assessment". IOP Conference Series: Materials Science and Engineering 379 (junio de 2018): 012035. http://dx.doi.org/10.1088/1757-899x/379/1/012035.

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38

Curthoys, Ann. "Family Violence and Colonisation". Australian Historical Studies 51, n.º 2 (2 de abril de 2020): 146–64. http://dx.doi.org/10.1080/1031461x.2020.1733033.

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Ndiaye, El Hadji Malick. "Musée, colonisation, et restitution". African Arts 52, n.º 3 (septiembre de 2019): 1–6. http://dx.doi.org/10.1162/afar_a_00473.

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Severo, L. C. "Actinomycotic intracavity lung colonisation." Thorax 51, n.º 11 (1 de noviembre de 1996): 1168. http://dx.doi.org/10.1136/thx.51.11.1168-b.

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41

Lehtinen, Sonja. "Co-colonisation and coexistence". Nature Ecology & Evolution 3, n.º 3 (11 de febrero de 2019): 334–35. http://dx.doi.org/10.1038/s41559-019-0801-x.

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42

Trivedi, Kaushali, Christoph M. Tang y Rachel M. Exley. "Mechanisms of meningococcal colonisation". Trends in Microbiology 19, n.º 9 (septiembre de 2011): 456–63. http://dx.doi.org/10.1016/j.tim.2011.06.006.

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Drugeon, Henri B. "La colonisation par SARM". médecine/sciences 24 (agosto de 2008): 18–23. http://dx.doi.org/10.1051/medsci/2008243s18.

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MIN, Jinyoung. ""Recherche du mouvement du cinéma sénégalais de colonisation et de post‐colonisation"". Études de Langue et Littérature Françaises 111 (15 de septiembre de 2017): 115–39. http://dx.doi.org/10.18824/ellf.111.05.

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45

Mols, Kirsty L., Gry B. Boe-Hansen, Deirdre Mikkelsen, Wayne L. Bryden y A. Judy Cawdell-Smith. "Prenatal establishment of the foal gut microbiota: a critique of the in utero colonisation hypothesis". Animal Production Science 60, n.º 18 (2020): 2080. http://dx.doi.org/10.1071/an20010.

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Bacteria colonisation of the foal’s gastrointestinal tract (GIT) is a critical developmental stage, effecting subsequent immunological and health outcomes. It has long been thought that the equine fetus develops in a sterile intrauterine environment and GIT colonisation commences at birth. Research now suggests that bacteria isolated from amniotic fluid are the initial colonisers of the fetal GIT, and exposure to the dam’s microbiota and the external environment during birth provide supplementary colonisation. This in utero colonisation hypothesis has only recently been examined in the horse and microbiota were detected in the amniotic fluid and meconium of healthy equine pregnancies. This review highlights the possible colonisation routes of these bacteria into the fetal compartments and examines their likely origins from the existing maternal microbiome. However, the current data describing the amniotic microbiota of the horse are limited and there is a need for research to fill this gap. Understanding the significance of intrauterine microbes for foal GIT colonisation may provide strategies to improve neonatal health.

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46

Beech, Augusta, Simon Lea, Jian Li, Natalie Jackson, Alex Mulvanny y Dave Singh. "Airway Bacteria Quantification Using Polymerase Chain Reaction Combined with Neutrophil and Eosinophil Counts Identifies Distinct COPD Endotypes". Biomedicines 9, n.º 10 (27 de septiembre de 2021): 1337. http://dx.doi.org/10.3390/biomedicines9101337.

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Background: Chronic obstructive pulmonary disease (COPD) inflammatory endotypes are associated with different airway microbiomes. We used quantitative polymerase chain reaction (qPCR) analysis of sputum samples to establish the bacterial load upper limit in healthy controls; these values determined the bacterial colonisation prevalence in a longitudinal COPD cohort. Bacteriology combined with sputum inflammatory cells counts were used to investigate COPD endotypes. Methods: Sixty COPD patients and 15 healthy non-smoking controls were recruited. Sputum was analysed by qPCR (for Haemophilus influenzae, Moraxella catarrhalis, Streptococcus pneumoniae and Psuedomonas aeruginosa) and sputum differential cell counts at baseline and 6 months. Results: At baseline and 6 months, 23.1% and 25.6% of COPD patients were colonised with H. influenzae, while colonisation with other bacterial species was less common, e.g., S. pneumoniae—1.9% and 5.1%, respectively. H. influenzae + ve patients had higher neutrophil counts at baseline (90.1% vs. 67.3%, p < 0.01), with similar results at 6 months. COPD patients with sputum eosinophil counts ≥3% at ≥1 visit rarely showed bacterial colonisation. Conclusions: The prevalence of H. influenzae colonisation was approximately 25%, with low colonisation for other bacterial species. H. influenzae colonisation was associated with sputum neutrophilia, while eosinophilic inflammation and H. influenzae colonisation rarely coexisted.

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Portell, Xavier, Carol Verheecke-Vaessen, Rosa Torrelles-Ràfales, Angel Medina, Wilfred Otten, Naresh Magan y Esther García-Cela. "Three-Dimensional Study of F. graminearum Colonisation of Stored Wheat: Post-Harvest Growth Patterns, Dry Matter Losses and Mycotoxin Contamination". Microorganisms 8, n.º 8 (1 de agosto de 2020): 1170. http://dx.doi.org/10.3390/microorganisms8081170.

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Fusarium causes significant post-harvest quality losses and mycotoxin contamination in stored wheat but the colonisation dynamics of the grain and how this may be affected by the initial inoculum position in the grain mass is poorly understood. This study examined the 3D growth kinetics and mycotoxin production (deoxynivalenol and zearalenone) by F. graminearum during hyphal colonisation from different initial inoculum positions in wheat microcosms (top-centre, bottom-centre, and bottom-side) maintained at two water activities (aw; 0.95 and 0.97). Clear jars were used to visually follow the colonisation dynamics. Fungal respiration and associated dry matter loss (DML) and ergosterol were also quantified. Colonisation dynamics was shown to be affected by the inoculation position. At the end of the colonisation process, fungal respiration and DML were driven by the inoculation position, and the latter also by the prevailing aw. Fungal biomass (ergosterol) was mainly affected by the aw. The initial inoculum position did not affect the relative mycotoxin production. There was a positive correlation between respiration and ergosterol, and between mycotoxin production and colonisation indicators. We suggest that spatially explicit predictive models can be used to better understand the colonisation patterns and mycotoxin contamination of stored cereal commodities and to aid more effective post-harvest management.

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Kandula, K. D. R., E. E. Jones, A. Stewart y I. J. Horner. "Colonisation of apple roots by arbuscular mycorrhiza in specific apple replant disease affected soil". New Zealand Plant Protection 59 (1 de agosto de 2006): 92–96. http://dx.doi.org/10.30843/nzpp.2006.59.4428.

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In New Zealand specific apple replant disease (SARD) causes retarded tree growth and poor establishment in replanted apple orchards In two pot experiments arbuscular mycorrhizae (AM) colonisation of apple roots in different SARD treated soils was assessed In the first experiment AM colonisation was significantly lower in SARD soil compared with nonSARD soil In this experiment 456 of roots were AM colonised at planting and AM colonisation was increased in both soil types following chloropicrin fumigation or fungicide application The second experiment used only SARD soil and at planting only 03 of roots were colonised with AM AM colonisation was significantly greater in two commercial Trichoderma treatments (pellet and powder formulations) than untreated control uninoculated blank pellets and chemical nutrient treatments AM colonisation in fumigated soil was very low and remained similar to the initial root stock material

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MOYERSOEN, BERNARD, IAN J. ALEXANDER y ALASTAIR H. FITTER. "Phosphorus nutrition of ectomycorrhizal and arbuscular mycorrhizal tree seedlings from a lowland tropical rain forest in Korup National Park, Cameroon". Journal of Tropical Ecology 14, n.º 1 (enero de 1998): 47–61. http://dx.doi.org/10.1017/s0266467498000054.

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The relationship between mycorrhizal colonisation and phosphorus acquired by seedlings of the arbuscular mycorrhizal tree Oubanguia alata Bak f. (Scytopetalaceae) and the ectomycorrhizal tree Tetraberlinia moreliana Aubr. (Caesalpiniodeae) was evaluated at low and high inorganic phosphorus availability. AM colonisation was positively correlated with phosphorus uptake by O. alata at low, but not at high phosphorus availability. Seedlings growth was positively related to arbuscular mycorrhizal colonisation at both low and high phosphorus availability, suggesting that growth promotion by arbuscular mycorrhizas is not simply related to an increase of phosphorus uptake. In contrast, phosphorus uptake by T. moreliana was correlated with EM colonisation at both low and high phosphorus availability, but there was no relationship between growth and ectomycorrhizal colonisation. Promotion of phosphorus uptake by arbuscular mycorrhizas and ectomycorrhizas at low phosphorus availability is consistent with the co-occurrence of the two types of mycorrhiza in tropical rain forests where available soil phosphorus is low. However, ectomycorrhizal colonisation may also be of advantage where inputs of phosphorus rich litter raise the phosphorus status of the soil, as seen in the groves of ectomycorrhizal trees in Korup National Park, and may be one of the factors reinforcing local dominance by these trees.

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EASTWOOD, D. A. y H. J. POLLARD. "COLONISATION AND COCA IN THE CHAPARE, BOLIVIA: A DEVELOPMENT PARADOX FOR COLONISATION THEORY". Tijdschrift voor Economische en Sociale Geografie 77, n.º 4 (enero de 1986): 258–68. http://dx.doi.org/10.1111/j.1467-9663.1986.tb00133.x.

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