Academic literature on the topic 'Cellulose colonization'

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Journal articles on the topic "Cellulose colonization"

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Cheng, K. J., H. Kudo, S. H. Duncan, et al. "Prevention of fungal colonization and digestion of cellulose by the addition of methylcellulose." Canadian Journal of Microbiology 37, no. 6 (1991): 484–87. http://dx.doi.org/10.1139/m91-081.

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When the attachment of cellulolytic rumen fungi to cellulose is blocked by the addition of methylcellulose, cellulose digestion is entirely inhibited. Even after these fungi have colonized and penetrated the cellulosic fibers of filter paper, the addition of methylcellulose effectively halts cellulose digestion. This effect of methylcellulose is accompanied by the complete inhibition of fungal attachment to cellulose fibers; the addition of methylcellulose does not affect the growth of these organisms on soluble substrates. We conclude that fungal cellulose digestion, like bacterial cellulose
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Yang, Xuan, Kathleen A. Hill, Ryan S. Austin, and Lining Tian. "Differential Gene Expression of Brachypodium distachyon Roots Colonized by Gluconacetobacter diazotrophicus and the Role of BdCESA8 in the Colonization." Molecular Plant-Microbe Interactions® 34, no. 10 (2021): 1143–56. http://dx.doi.org/10.1094/mpmi-06-20-0170-r.

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Alternatives to synthetic nitrogen fertilizer are needed to reduce the costs of crop production and offset environmental damage. Nitrogen-fixing bacterium Gluconacetobacter diazotrophicus has been proposed as a possible biofertilizer for monocot crop production. However, the colonization of G. diazotrophicus in most monocot crops is limited and deep understanding of the response of host plants to G. diazotrophicus colonization is still lacking. In this study, the molecular response of the monocot plant model Brachypodium distachyon was studied during G. diazotrophicus root colonization. The ge
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Matthysse, Ann G., Mazz Marry, Leonard Krall, et al. "The Effect of Cellulose Overproduction on Binding and Biofilm Formation on Roots by Agrobacterium tumefaciens." Molecular Plant-Microbe Interactions® 18, no. 9 (2005): 1002–10. http://dx.doi.org/10.1094/mpmi-18-1002.

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Agrobacterium tumefaciens growing in liquid attaches to the surface of tomato and Arabidopsis thaliana roots, forming a biofilm. The bacteria also colonize roots grown in sterile quartz sand. Attachment, root colonization, and biofilm formation all were markedly reduced in celA and chvB mutants, deficient in production of cellulose and cyclic β-(1,2)-D-glucans, respectively. We have identified two genes (celG and celI) in which mutations result in the overproduction of cellulose as judged by chemical fractionation and methylation analysis. Wild-type and chvB mutant strains carrying a cDNA clon
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Popa, Elisabeta Elena, Maria Rapa, Calina Petruta Cornea, et al. "PHB/cellulose Fibres Composites Colonization and biodegradation behavior." Materiale Plastice 55, no. 1 (2018): 48–53. http://dx.doi.org/10.37358/mp.18.1.4962.

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In this study, newly developed polymeric composites based on poly(3-hydroxybutyrate) (PHB), cellulose fibres (CF) and plasticizer (bis[2-(2-butoxyethoxy)ethyl] adipate) (DBEEA) were subjected both to microorganism�s action in controlled conditions, and to soil�s action by sample burial. The weight loss of PHB based composites at 60 days exposure were determined in comparison with neat PHB. The weight variation for PHB based composites buried in a natural soil at 45 days and 90 days was monitored. DSC-differential scanning calorimetry and SEM -scanning electron microscopy analysis were performe
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Barak, Jeri D., Courtney E. Jahn, Deanna L. Gibson, and Amy O. Charkowski. "The Role of Cellulose and O-Antigen Capsule in the Colonization of Plants by Salmonella enterica." Molecular Plant-Microbe Interactions® 20, no. 9 (2007): 1083–91. http://dx.doi.org/10.1094/mpmi-20-9-1083.

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Numerous salmonellosis outbreaks have been associated with vegetables, in particular sprouted seed. Thin aggregative fimbriae (Tafi), a component of the extracellular matrix responsible for multicellular behavior, are important for Salmonella enterica attachment and colonization of plants. Here, we demonstrate that the other surface polymers composing the extracellular matrix, cellulose, and O-antigen capsule also play a role in colonization of plants. Mutations in bacterial cellulose synthesis (bcsA) and O-antigen capsule assembly and translocation (yihO) reduced the ability to attach to and
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Ylimartimo, A., G. Laflamme, M. Simard, and D. Rioux. "Ultrastructure and cytochemistry of early stages of colonization by Gremmeniella abietina in Pinus resinosa seedlings." Canadian Journal of Botany 75, no. 7 (1997): 1119–32. http://dx.doi.org/10.1139/b97-123.

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This paper provides details on the infection processes at the ultrastructural level in Pinus resinosa Ait. seedlings during early stages of colonization by Gremmeniella abietina (Lagerb.) Morelot. Different gold-conjugated enzymes and antibodies were used to cytochemically localize cellulose, pectin, fungal laccase, and the pathogen cells in host tissues. Gremmeniella abietina penetrated into the host through stomata of the short shoot bracts and sparsely colonized both intercellular and intracellular areas of the bract tissues. The colonizing hyphae usually had a thick wall surrounded by an e
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Laus, M. C., A. A. N. van Brussel, and J. W. Kijne. "Role of Cellulose Fibrils and Exopolysaccharides of Rhizobium leguminosarum in Attachment to and Infection of Vicia sativa Root Hairs." Molecular Plant-Microbe Interactions® 18, no. 6 (2005): 533–38. http://dx.doi.org/10.1094/mpmi-18-0533.

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Infection and subsequent nodulation of legume host plants by the root nodule symbiote Rhizobium leguminosarum usually require attachment of the bacteria to root-hair tips. Bacterial cellulose fibrils have been shown to be involved in this attachment process but appeared not to be essential for successful nodulation. Detailed analysis of Vicia sativa root-hair infection by wild-type Rhizobium leguminosarum RBL5523 and its cellulose fibril-deficient celE mutant showed that wild-type bacteria infected elongated growing root hairs, whereas cellulose-deficient bacteria infected young emerging root
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Gelhaye, E., A. Gehin, and H. Petitdemange. "Colonization of Crystalline Cellulose by Clostridium cellulolyticum ATCC 35319." Applied and Environmental Microbiology 59, no. 9 (1993): 3154–56. http://dx.doi.org/10.1128/aem.59.9.3154-3156.1993.

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El-Ghaouth, Ahmed, Charles L. Wilson, and Michael Wisniewski. "Ultrastructural and Cytochemical Aspects of the Biological Control of Botrytis cinerea by Candida saitoana in Apple Fruit." Phytopathology® 88, no. 4 (1998): 282–91. http://dx.doi.org/10.1094/phyto.1998.88.4.282.

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Biocontrol activity of Candida saitoana and its interaction with Botrytis cinerea in apple wounds were investigated. When cultured together, yeast attached to Botrytis sp. hyphal walls. In wounded apple tissue, C. saitoana restricted the proliferation of B. cinerea, multiplied, and suppressed disease caused by either B. cinerea or Penicillium expansum. In inoculated apple tissue without the yeast, fungal colonization caused an extensive degradation of host walls and altered cellulose labeling patterns. Hyphae in close proximity to the antagonistic yeast exhibited severe cytological injury, suc
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Dumitrache, Alexandru, Gideon Wolfaardt, Grant Allen, Steven N. Liss, and Lee R. Lynd. "Form and Function of Clostridium thermocellum Biofilms." Applied and Environmental Microbiology 79, no. 1 (2012): 231–39. http://dx.doi.org/10.1128/aem.02563-12.

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ABSTRACTThe importance of bacterial adherence has been acknowledged in microbial lignocellulose conversion studies; however, few reports have described the function and structure of biofilms supported by cellulosic substrates. We investigated the organization, dynamic formation, and carbon flow associated with biofilms of the obligately anaerobic cellulolytic bacteriumClostridium thermocellum27405. Using noninvasive,in situfluorescence imaging, we showed biofilms capable of near complete substrate conversion with a characteristic monolayered cell structure without an extracellular polymeric ma
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Dissertations / Theses on the topic "Cellulose colonization"

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Badalato, Nelly. "Structure de déchets lignocellulosiques : effets sur la colonisation, les communautés microbienne et les performances de méthanisation, caractérisés par des approches fonctionnelles et haut-débit." Electronic Thesis or Diss., Paris, AgroParisTech, 2014. http://www.theses.fr/2014AGPT0002.

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La méthanisation des composés lignocellulosiques présente un fort intérêt en raison de leur haut potentiel énergétique et de leur abondance, notamment dans les ordures ménagères résiduelles. Toutefois, leur complexité de structure et de composition rend ces matériaux difficilement dégradables en conditions anaérobies et l’utilisation de prétraitements est généralement requise afin d’améliorer leurs rendements de biodégradation. Outre l’effet de ces prétraitements sur la biodégradation de ces composés, la colonisation des lignocelluloses par les micro-organismes cellulolytiques est une étape cl
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Pichon, Denis. "Analyse d'images en biotechnologie : quantification de la morphologie de micro-organismes filamenteux au cours de fermentation et suivi de croissance de cellules animales sur microporteurs." Vandoeuvre-les-Nancy, INPL, 1993. http://www.theses.fr/1993INPL146N.

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Les procédés biotechnologiques mettant en œuvre les micro-organismes ou les cellules en général ont souvent recours à l'observation microscopique pour acquérir des informations concernant la morphologie ou le nombre de cellules. C'est notamment le cas des micro-organismes filamenteux dont la morphologie est très complexe et des cellules animales qui croissent sur des microporteurs. Un moyen sur de quantifier les observations microscopiques est l'analyse quantitative d'images. Nous avons utilisé l'analyse d'images pour caractériser les différentes populations morphologiques de micro-organismes
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Book chapters on the topic "Cellulose colonization"

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Sharma, Gayatri. "Microbes as Artists of Life." In Symbiosis in Nature [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109532.

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Scientists have been knocking the wood to ascertain the symbiotic relationships of tiny living creatures, that is, microorganisms with other beings such as plants, animals, insects, and humans. The concept of “symbiosis” got its existence in 1879, which means “living together.” Microorganisms show a great deal of diverse interactions such as commensalism (moochers), mutualism (both benefitted), and parasitism (one benefitted and other unharmed) with other living beings and mutualism being the most common of all, thus forming a range of antagonistic to cooperative symbiotic relationships. These tiny creatures interact with plants by forming lichens (fungi and algae), mycorrhizae (plants and roots of higher plants), root noodles (Rhizobium) and acting as keyworkers in plant’s rhizosphere promoting growth and development. Microbial community also extends itself to kingdom Animalia establishing relationships with phylum Mammalia including humans, animals, and the most abundant species of phylum Arthropoda, that is, insects such as termites, which have colonization of bacteria in gut to digest wood cellulose. Scientists have discovered that most studied organisms—mussels found in deep-sea hydrothermal vents too live in a mutualistic association whereby bacteria get protection and mussels get nutrition as bacteria use chemicals from hydrothermal fluid producing organic compounds.
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Reports on the topic "Cellulose colonization"

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Manulis, Shulamit, Christine D. Smart, Isaac Barash, Guido Sessa, and Harvey C. Hoch. Molecular Interactions of Clavibacter michiganensis subsp. michiganensis with Tomato. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697113.bard.

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Clavibacter michiganensis subsp. michiganensis (Cmm), the causal agent of bacterial wilt and canker of tomato, is the most destructive bacterial disease of tomato causing substantial economic losses in Israel, the U.S.A. and worldwide. The molecular strategies that allow Cmm, a Gram-positive bacterium, to develop a successful infection in tomato plants are largely unknown. The goal of the project was to elucidate the molecular interactions between Cmmand tomato. The first objective was to analyze gene expression profiles of susceptible tomato plants infected with pathogenic and endophytic Cmms
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