Relevant bibliographies by topics / Nostoc

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Nostoc'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Journal articles on the topic "Nostoc"

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Smith, Mary. "Tremella? No, Nostoc." Field Mycology 1, no. 4 (October 2000): 131–32. http://dx.doi.org/10.1016/s1468-1641(10)60067-9.

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Suradkar, Archana, Chelsea Villanueva, Lira A. Gaysina, Dale A. Casamatta, Aniket Saraf, Gandhali Dighe, Ratnaprabha Mergu, and Prashant Singh. "Nostoc thermotolerans sp. nov., a soil-dwelling species of Nostoc (Cyanobacteria)." International Journal of Systematic and Evolutionary Microbiology 67, no. 5 (May 1, 2017): 1296–305. http://dx.doi.org/10.1099/ijsem.0.001800.

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Rezayian, Maryam, Vahid Niknam, and Mohammad Ali Faramarzi. "Antioxidative responses of Nostoc ellipsosporum and Nostoc piscinale to salt stress." Journal of Applied Phycology 31, no. 1 (June 5, 2018): 157–69. http://dx.doi.org/10.1007/s10811-018-1506-2.

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Mollenhauer, Dieter, and Resi Mollenhauer. "Nostoc in symbiosis - Taxonomic implications." Algological Studies/Archiv für Hydrobiologie, Supplement Volumes 83 (December 19, 1996): 435–46. http://dx.doi.org/10.1127/algol_stud/83/1996/435.

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Oksanen, Ilona, Jouni Jokela, David P. Fewer, Matti Wahlsten, Jouko Rikkinen, and Kaarina Sivonen. "Discovery of Rare and Highly Toxic Microcystins from Lichen-Associated Cyanobacterium Nostoc sp. Strain IO-102-I." Applied and Environmental Microbiology 70, no. 10 (October 2004): 5756–63. http://dx.doi.org/10.1128/aem.70.10.5756-5763.2004.

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ABSTRACT The production of hepatotoxic cyclic heptapeptides, microcystins, is almost exclusively reported from planktonic cyanobacteria. Here we show that a terrestrial cyanobacterium Nostoc sp. strain IO-102-I isolated from a lichen association produces six different microcystins. Microcystins were identified with liquid chromatography-UV mass spectrometry by their retention times, UV spectra, mass fragmentation, and comparison to microcystins from the aquatic Nostoc sp. strain 152. The dominant microcystin produced by Nostoc sp. strain IO-102-I was the highly toxic [ADMAdda5]microcystin-LR, which accounted for ca. 80% of the total microcystins. We assigned a structure of [DMAdda5]microcystin-LR and [d-Asp3,ADMAdda5]microcystin-LR and a partial structure of three new [ADMAdda5]-XR type of microcystin variants. Interestingly, Nostoc spp. strains IO-102-I and 152 synthesized only the rare ADMAdda and DMAdda subfamilies of microcystin variants. Phylogenetic analyses demonstrated congruence between genes involved directly in microcystin biosynthesis and the 16S rRNA and rpoC1 genes of Nostoc sp. strain IO-102-I. Nostoc sp. strain 152 and the Nostoc sp. strain IO-102-I are distantly related, revealing a sporadic distribution of toxin production in the genus Nostoc. Nostoc sp. strain IO-102-I is closely related to Nostoc punctiforme PCC 73102 and other symbiotic Nostoc strains and most likely belongs to this species. Together, this suggests that other terrestrial and aquatic strains of the genus Nostoc may have retained the genes necessary for microcystin biosynthesis.
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Bergman, Birgitta, and Bruce Osborne. "The Gunnera: Nostoc Symbiosis." Biology and Environment: Proceedings of the Royal Irish Academy 102B, no. 1 (2002): 35–39. http://dx.doi.org/10.1353/bae.2002.0024.

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BERGMAN, B., C. JOHANSSON, and E. SODERBACK. "The Nostoc-Gunnera symbiosis." New Phytologist 122, no. 3 (November 1992): 379–400. http://dx.doi.org/10.1111/j.1469-8137.1992.tb00067.x.

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Dodds, Walter K., Dolly A. Gudder, and Dieter Mollenhauer. "THE ECOLOGY OF NOSTOC." Journal of Phycology 31, no. 1 (February 1995): 2–18. http://dx.doi.org/10.1111/j.0022-3646.1995.00002.x.

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Maldener, Iris. "Nostoc: ein prokaryotischer Vielzeller." Biologie in unserer Zeit 44, no. 5 (October 2014): 304–10. http://dx.doi.org/10.1002/biuz.201410545.

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Jackson, Owen, Oliver Taylor, David G. Adams, and J. Paul Knox. "Arabinogalactan Proteins Occur in the Free-Living Cyanobacterium Genus Nostoc and in Plant–Nostoc Symbioses." Molecular Plant-Microbe Interactions® 25, no. 10 (October 2012): 1338–49. http://dx.doi.org/10.1094/mpmi-04-12-0095-r.

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Arabinogalactan proteins (AGP) are a diverse family of proteoglycans associated with the cell surfaces of plants. AGP have been implicated in a wide variety of plant cell processes, including signaling in symbioses. This study investigates the existence of putative AGP in free-living cyanobacterial cultures of the nitrogen-fixing, filamentous cyanobacteria Nostoc punctiforme and Nostoc sp. strain LBG1 and at the symbiotic interface in the symbioses between Nostoc spp. and two host plants, the angiosperm Gunnera manicata (in which the cyanobacterium is intracellular) and the liverwort Blasia pusilla (in which the cyanobacterium is extracellular). Enzyme-linked immunosorbent assay, immunoblotting, and immunofluorescence analyses demonstrated that three AGP glycan epitopes (recognized by monoclonal antibodies LM14, MAC207, and LM2) are present in free-living Nostoc cyanobacterial species. The same three AGP glycan epitopes are present at the Gunnera–Nostoc symbiotic interface and the LM2 epitope is detected during the establishment of the Blasia–Nostoc symbiosis. Bioinformatic analysis of the N. punctiforme genome identified five putative AGP core proteins that are representative of AGP classes found in plants. These results suggest a possible involvement of AGP in cyanobacterial–plant symbioses and are also suggestive of a cyanobacterial origin of AGP.
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Dissertations / Theses on the topic "Nostoc"

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Ehling-Schulz, Monika. "Physiological and protein-biochemical analysis of UV-A and UV-B tolerance of the terrestrial cyanobacterium Nostoc commune." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960206582.

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Lozada, Borjas Carlos Martin. "Estudio comparativo de la actividad antioxidante de los polisacáridos extracelulares de Nostoc sphaericum y Nostoc commune." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2018. https://hdl.handle.net/20.500.12672/7587.

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Compara la actividad antioxidante in vitro de los polisacáridos extracelulares de las cianobacterias Nostoc sphaericum y Nostoc commune recolectados en la laguna de Patococha, región Ancash; así como, la comparación de sus actividades. El tamizaje fitoquímico se realizó mediante los reactivos de Molish, antrona, ninhidrina, tricloruro férrico, gelatina, Shinoda, Fehling, Lieberman Bouchardat, Dragendorff, Mayer, Rosenheim, hidroxilamina, vainillin sulfúrico, Bertrand, Sonenheim y Bornträger. La actividad antioxidante de los polisacáridos se determinó por neutralización de los radicales: 1,1-difenil-2-picril-hidrazilo (DPPH) y ácido 2,2’-azinobis (3- etilbenzotiazolin)-6-sulfónico (ABTS). La comparación de las actividades antioxidantes de los polisacáridos extracelulares se realizó mediante análisis estadísticos ANOVA y T-student, utilizando el paquete IBM SPSS 24.0. En los extractos se evidenciaron presencia de carbohidratos, azúcares reductores, esteroides o triterpenos, alcaloides, catequinas y antocianinas, saponinas y antraquinonas en ambas cianobacterias. En la evaluación de la actividad antioxidante, los polisacáridos extracelulares de Nostoc sphaericum presentaron un IC50=2,068 mg/mL y un IC50=4,398 mg/mL en el ensayo de DPPH y ABTS, respectivamente, mientras que los polisacáridos extracelulares de Nostoc commune presentaron un IC50=2,482 mg/mL y un IC50=17,837 mg/mL en el ensayo de DPPH y ABTS, respectivamente. El análisis estadístico reveló que no existe diferencia significativa entre actividad antioxidante de polisacáridos extraceulares del Nostoc sphaericum y Nostoc commune medidos por el método de DPPH; sin embargo, sí existe diferencia significativa entre actividad antioxidante de los polisacáridos extracelulares de dichas especies medido por el método de ABTS. Se concluye que los polisacáridos extracelulares de Nostoc sphaericum presentaron una mayor actividad antioxidante que los polisacáridos extracelulares de Nostoc commune.
Tesis
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Waters, Margaret Fiona. "Enzymes of RNA metabolism in Nostoc sp. MAC." Thesis, University of Liverpool, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329409.

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Jordan, Brian Robert. "Carbohydrate-Interacting Proteins from Two Nostoc (Cyanobacteria) Species." Diss., Virginia Tech, 2004. http://hdl.handle.net/10919/11177.

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Cyanobacteria of the Nostoc genus are known for the thick, mucilaginous carbohydrate coatings that they produce. In this work, two examples of cyanobacterial glycobiology are considered, each of which involves a cyanobacterium of the Nostoc genus. The first portion of this work details attempts to obtain amino acid sequence information from the enzymes (glycosyltransferases) that are responsible for producing the extracellular polysaccharide (EPS) of Nostoc commune DRH1, ultimately to allow the transfer of this capacity to another organism. Two artificial substrates were synthesized for use in a capillary electrophoresis-based enzyme assay, which was used to look for glycosyltransferase activity in Nostoc commune DRH1 cell extracts. Glucuronosyltransferase activity was detected in association with Nostoc commune membrane material. The active enzyme displayed a divalent cation metal dependence (Mg+2) that is typical of glycosyltransferase enzymes purified from other organisms. Because the enzyme responsible for this activity held the potential to be EPS-related, its purification was attempted. The capillary electrophoresis-based enzyme assay and a 32P-labeled affinity tag were utilized to follow the glucuronosyltransferase enzyme through successive purification steps. The active enzyme was extracted from Nostoc commune membrane material using Triton X-100, and then purified by anion exchange chromatography. The active detergent extract was extremely unstable, and consequently, other purification techniques tested were unsuccessful in enriching activity. Affinity-labeling experiments indicated that the active enzyme was forming protein aggregates during these procedures, which were not amenable to in-gel protease digestion and peptide analysis by tandem mass spectrometry. The second portion of this work describes an investigation of an Anabaena (Nostoc) PCC 7120 soluble cell extract. Upon separation by sodium dodecyl sulfate ¡V polyacrylamide gel electrophoresis (SDS-PAGE) and subsequent periodic acid-Schiff (PAS) staining of the resulting gel, the components of this cellular fraction produce a ladder-like pattern, which suggests that the extract may contain glycosylated protein. Analyses of several samples that were taken from within the PAS-staining region of such a gel revealed surface layer homology (SLH) domain-containing proteins, likely candidates to be covalently attached to or non-covalently interacting with carbohydrate. Various protein sequence analyses indicated that the detected SLH domain containing proteins belong to a family of (putative) cyanobacterial porins. Proteins in this family possess features that include a N-terminal signal sequence, a single SLH domain motif, followed by a coiled-coil region, and a C-terminal region that is homologous to the b-barrel-forming region of bacterial porins. All of these features were identified in the detected Anabaena (Nostoc) PCC 7120 SLH domain-containing proteins. Smith degradation was performed on a sample that was electroeluted from the PAS-staining region of a preparative-scale SDS-PAGE gel of the soluble cell extract. Subsequent analyses of the resulting sample by SDS-PAGE and mass spectrometry indicated that at least two SLH domain-containing proteins, encoded by all4499 and alr4550, were non-covalently interacting with the PAS-staining material. Following degradation, the PAS-staining material was still of sufficient size to detected by gel electrophoresis, and it continued to migrate in the absence of an interacting protein component. Protease digestion of a similarly prepared sample, and then subsequent analysis by SDS-PAGE and mass spectrometry, revealed that the region between amino acid residues #504 and #536, in the protein encoded by the alr4550 open reading frame, was interacting with the PAS-staining material. Monosaccharide composition analyses of this material revealed more carbohydrate constituents than are found in cyanobacterial primary (peptidoglycan) cell wall polymer alone, indicating that it contained a significant secondary cell wall polymer component as well.
Ph. D.
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Lennihan, Robert. "Ecology of Nostoc in a high arctic oasis /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/5184.

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Špakaitė, Ina. "Morphology, ecology and phylogeny of cyanobacteria belonging to genera Nostoc and Desmonostoc in Lithuania." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140915_151715-83237.

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The aim of the study was to investigate the morphology, ecology and phylogeny of cyanobacteria belonging to genera Nostoc and Desmonostoc in Lithuania. The detailed research of freshwater and terrestrial Nostoc and Desmonostoc species provided new data on taxonomy, biology and ecology of these cyanobacteria and the overall diversity of algae in Lithuania. 20 Nostoc species and two intraspecific taxa, and 18 taxa to the Nostoc genus level were identified. Twelve Nostoc species and intraspecific taxa, Desmonostoc genus including two taxa were recorded for the first time in Lithuania. A check list was compiled of all identified species with original morphological and ecological data as well as pictures. An applied research by different types of Nostoc and Desmonostoc species samples was valuable in morphological analysis – suitability for identification and stability of diagnostic morphological features in species was identified. The highest diversity of Nostoc and Desmonostoc species were recorded in lentic ecosystems and 14 species were found in terrestrial habitats. A wide genetic and morphological diversity of Nostoc and Desmonostoc species was identified while performing fingerprint TGGE and morphological analyses of cyanobacterial natural populations. The morphological and phylogenetic analyses of Nostoc and Desmonostoc strains showed morphological and phylogenetic heterogenity of Nostoc species and differences of the same types between Desmonostoc and Nostoc species.
Darbo tikslas – atlikti Lietuvos Nostoc ir Desmonostoc genčių melsvabakterių morfologijos, ekologijos ir filogenijos tyrimus. Pirmą kartą Lietuvoje atlikti išsamūs gėlųjų vandenų ir sausumos Nostoc ir Desmonostoc genčių melsvabakterių tyrimai papildo žinias apie dumblių rūšių įvairovę Lietuvoje bei suteikia naujos informacijos apie šių melsvabakterių taksonomiją, biologiją ir ekologiją. Identifikuota 22 Nostoc genties rūšys ir vidurūšiniai taksonai, 18 Nostoc taksonų identifikuota iki genties rango. Pirmą kartą Lietuvoje identifikuota 12 Nostoc genties rūšių ir vidurūšinių taksonų, dvi Desmonostoc genties rūšys. Rūšių konspekte pateikiami originalūs rūšių aprašymai su nuotraukomis ir ekologijos duomenys. Nostoc ir Desmonostoc genčių rūšių morfologinėje analizėje taikytas skirtingo tipo pavyzdžių tyrimas pasitvirtino – įvertintas rūšių diagnostinių morfologinių požymių stabilumas ir identifikacinis tinkamumas. Didžiausia Nostoc ir Desmonostoc genčių rūšių įvairovė identifikuota lentinėse ekosistemose, o sausumos buveinėse konstatuota 14 rūšių. Melsvabakterių gamtinių populiacijų molekulinių žymenų TGGE ir morfologinės analizių metu nustatyta gana didelė Nostoc ir Desmonostoc genčių rūšių genetinė ir morfologinė įvairovė. Nostoc ir Desmonostoc genčių padermių morfologinė ir filogenetinė analizės atskleidė Nostoc genties rūšių morfologinį ir filogenetinį heterogeniškumą bei Desmonostoc ir Nostoc genčių rūšių tokių tipų tarpusavio skirtumus.
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Lichtl, Rixa Regina. "The hydrogen production capability of free-living Nostoc filagelliforme." Thesis, King's College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362742.

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Ow, Saw Yen. "High throughput quantitative proteomics development : A tool to achieve system-wide understanding of N2 fixing cyanobacteria nostoc Sp.PCC 7120 and nostoc punctiforme ATCC 29133." Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500186.

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Wright, Deborah J. "Molecular Biology of Desiccation Tolerance in the Cyanobacterium Nostoc commune." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/9714.

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The molecular biology of desiccation tolerance was investigated in the cyanobacteria with emphasis on Nostoc commune. Analysis of DNA from 41 samples of desiccated Nostoc spp. of varied age and global distribution led to the amplification of 43 independent tRNALEU(UAA) group 1 intron sequences. Phylogenetic analysis of the entire data set made it possible to define the form species Nostoc commune. The synthase (spsA) and phosphatase (sppA) genes required for the synthesis of sucrose were isolated from cyanobacterium Synechocystis sp. strain PCC 6803 and overexpressed in E. coli in two different vector constructions. Transformants had a marked increased capacity for desiccation tolerance. Sucrose synthesis was confirmed through thin layer chromatography (TLC) analysis of cell extracts from transformants. Long-term stability of DNA in desiccated Nostoc samples was demonstrated by the ability to amplify selected gene loci from samples stored dry for decades. Successful amplification in some samples was possible only after treatment with phenacylthiazolium bromide, a reagent that disrupts covalent cross-links; indicating that the DNA was modified by cross-links that occurred between reducing sugars and the primary amines on the DNA. Abundant superoxide dismutase was released following rehydration of desiccated field material N. commune CHEN after 13 years in the dry state. sodF mRNA was present in the dry material but was turned over within 15 min of rehydration. mRNA levels then rose and appeared to reach steady state levels after 3 hours and remained abundant after 24 hours of rehydration.
Master of Science
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Cardona, Tanai. "The heterocysts of nostoc punctiforme from proteomics to energy transfer /." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-108413.

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Books on the topic "Nostoc"

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Clan, Jaunay. NOSTOC 15H58. Paris: Editions L'Harmattan, 2008.

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universitet, Uppsala, ed. Ornithine cycle in the cyanobacterium Nostoc PCC 73102. Uppsala: Acta Universitatis Upsaliensis, 1997.

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universitet, Stockholms, ed. Establishment of the Gunnera-Nostoc symbiosis. Uppsala: Reklam & Katalogtryck, 1994.

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universitet, Uppsala, ed. Nostoc-cycad symbiosis: With emphasis on the cyanobiont. Uppsala: Uppsala University, 1987.

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Bruce, Carol M. J. An investigation into the process of gland developement in the Gunnera tinctoria-nostoc punctiforme symbiosis using light and electron microscopy. Dublin: University College Dublin, 1997.

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Stefano, Rolando, ed. Le nostre storie sono i nostri orti (ma anche i nostri ghetti). [Milan, Italy]: Bompiani, 2009.

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Perriera, Michele. I nostri tempi: Brevi note sulla nostra epoca. Palermo: Sellerio, 2009.

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Martínez, Josep Royo i. Picanya: El nostre poble i la nostra gent. [Picanya]: Ajuntament de Picanya, 1993.

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Bacigalupo, Renato Sandoval. Nostos. Lima, Perú: Editorial Nido de Cuervos, 1996.

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Ramphos, Stelios. Nostos. [Athens]: Roes, 1987.

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Book chapters on the topic "Nostoc"

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Echeverría, Javier, Narel Y. Paniagua-Zambrana, and Rainer W. Bussmann. "Nostoc sp. Nostocaceae." In Ethnobotany of Mountain Regions, 1–2. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77093-2_206-1.

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Echeverría, Javier, Narel Y. Paniagua-Zambrana, and Rainer W. Bussmann. "Nostoc sp. Nostocaceae." In Ethnobotany of Mountain Regions, 1299–300. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28933-1_206.

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Onek, L. A., P. J. Lea, and R. J. Smith. "Calcium, Dinitrogen Fixation and Calmodulin in a Nostoc." In Nitrogen Fixation, 405–9. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_86.

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Yue, Lifang, Yupeng Xiao, Guojuan Sun, Shiru Jia, Yujie Dai, and Xing Zheng. "The Semi-continuous Cultivation of Nostoc flagelliforme Cells." In Lecture Notes in Electrical Engineering, 453–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45657-6_47.

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Rasmussen, U., and M. M. Svenning. "Genetics of Nostoc in Relation to Host Plant Species." In Nitrogen Fixation: From Molecules to Crop Productivity, 171–75. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/0-306-47615-0_84.

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Meeks, John C. "Physiological Adaptations in Nitrogen-fixing Nostoc–Plant Symbiotic Associations." In Microbiology Monographs, 181–205. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/7171_2007_101.

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Dai, Yujie, Feng Zhang, Guoliang Wang, Yonghong Chang, and Shiru Jia. "Broth Recycling in Liquid Cultivation of Nostoc Flagelliforme Cells." In Advances in Intelligent and Soft Computing, 39–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27537-1_6.

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Parsons, R., and W. B. Silvester. "Sugar Transfer and Ammonia Production within the Gunnera / Nostoc Symbiosis." In Biological Nitrogen Fixation for the 21st Century, 487. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_302.

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Foykar, O., and M. Matavuly. "The Appearance of Filament Anastomosis in Nostoc and Anabaena Strains." In Biological Nitrogen Fixation for the 21st Century, 174. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_78.

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Fu, Honglei, Yujie Dai, Yue Han, Lifang Yue, Feng Xia, and Shiru Jia. "Effect of Iodine on the Growth and Quality of Nostoc flagelliforme." In Lecture Notes in Electrical Engineering, 335–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46318-5_36.

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Conference papers on the topic "Nostoc"

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Riba, Milán, Martin Hanyicska, and Gábor Vasas. "Nostoc fajok bioaktív metabolitjainak vizsgálata." In Fiatal Gyógynövénykutatók Fóruma. Szeged: Magyar Gyógyszerésztudományi Társaság Gyógynövény Szakosztálya, 2017. http://dx.doi.org/10.14232/fgykf.2017.b3.

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John S. Cundiff, Malcolm Potts, Richard F.Helm, and Brian Jordan. "Scale-up of Nostoc commune Production." In 2001 Sacramento, CA July 29-August 1,2001. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2001. http://dx.doi.org/10.13031/2013.7506.

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Pagador Flores, Sandra Elizabeth, Luz Alicia Baltodano Nontol, Ivonne Maribel Asencio Guzmán, and Sweeney Kahomy García Bartra. "Total metals in Nostoc “Cushuro” habitat." In 21st LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leadership in Education and Innovation in Engineering in the Framework of Global Transformations: Integration and Alliances for Integral Development”. Latin American and Caribbean Consortium of Engineering Institutions, 2023. http://dx.doi.org/10.18687/laccei2023.1.1.1020.

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Dudnicenco, Tatiana. "The influence of some mineral fertilizers on the activity of the Cyanobacteria nostoc linckia and Nostoc punctiforme." In National Scientific Symposium With International Participation: Modern Biotechnologies – Solutions to the Challenges of the Contemporary World. Institute of Microbiology and Biotechnology, Republic of Moldova, 2021. http://dx.doi.org/10.52757/imb21.024.

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Moten, Dzhemal, Tsvetelina Batsalova, Balik Dzhambazov, and Ivanka Teneva. "COMPARATIVE GENOME ANALYSIS OF SOME REPRESENTATIVES OF GENUS NOSTOC." In 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020. STEF92 Technology, 2020. http://dx.doi.org/10.5593/sgem2020/5.1/s20.021.

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Codreanu, Liviu. "Chromium bioaccumulation potential of edaphic cyanobacterium nostoc linckia grown on multimetallic systems." In 5th International Scientific Conference on Microbial Biotechnology. Institute of Microbiology and Biotechnology, Republic of Moldova, 2022. http://dx.doi.org/10.52757/imb22.16.

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Over the past few decades, chromium contamination of both terrestrial and aquatic ecosystems has increased as a result of various anthropogenic activities. In this regard, various useful and practical remediation technologies have been emerging to control chromium content in water, soil and other resources. Chromium remediation through microorganisms may be the best technology currently available for cleaning up Cr contaminated sites. These technologies using biological agents are cheaper, safer and ecofriendly than chemical treatment methods. Cr exists in several oxidation states, but the most stable and common forms are Cr(0), Cr(III) and Cr(VI) species. Chromium toxicity depends on its valence state. Hexavalent chromium is a highly mobile and toxic contaminant. Cr(III) being less mobile is much less toxic than Cr(VI). The purpose of this study was to assess the potential of cyanobacterium Nostoc linckia to accumulate hexavalent chromium during three successive cultivation cycles on multimetallic systems. Cyanobacterium Nostoc linckia (Roth) Born et Flah CNM-CB-03 was grown in a mineral medium and metal ions in different combinations. Cultivation was carried out in Erlenmayer flasks of 1000 mL with a working volume of 700 mL. The following parameters were used: pH of the medium 6.8-7.2, temperature 25-27oC, light intensity of 37-55 μmol photons m-2 s-1, continuous illumination, slow periodic shaking. The amount of inoculum was 0.4 g/L. Each cultivation cycle lasted 12 days. Multimetallic systems Cr/Fe, Cr/Fe/Ni, Cr/Fe/Ni/Zn and Cr/Fe/Ni/Zn/Cu were added to culture medium on the exponential phase of nostoc growth. In this study, the bioaccumulation of Cr(VI) from multimetallic systems was performed - a situation that is closer to real conditions, since in most cases the contamination of certain areas occurs due to the presence of several pollutants. Among the four studied systems, in Cr/Fe, Cr/Fe/Ni, and Cr/Fe/Ni/Zn/Cu, the rate of chromium uptake by nostoc was very similar and varied with the cultivation cycle. Thus, in these three systems, chromium uptake in the first cultivation cycle was 35.8-40.2% of the initial level of metal; in the second cycle - 27.2-32.7%, and in the third cycle - 19.7-27.1%. In Cr/Fe/Ni/Zn system, the bioaccumulation capacity of nostoc biomass was significantly higher and amounted to 63.1%, 56.0% and 34.8% of Cr(VI), which corresponds to three cultivation cycles. Moreover, Fe, Ni, Zn and Cu were also taken up during the cultivation of nostoc biomass from one cycle to another. For instance, iron uptake in the first cycle was 59-78% and it was accumulated almost completely in the next two cycles. Nickel uptake in the first cycle was 43.2-62.6%, in the next two - 49.7-83.1%. The percentage of zinc recovery by nostoc biomass was at the same level in all three cycles and amounted to 37.1-39.8% of its initial content in the Cr/Fe/Ni/Zn system. In the Cr/Fe/Zn/Ni/Cu system, zinc uptake increased from 25.8% in the first cycle to 54.5% in the third one. Copper uptake was 46.5-57.8%, and its maximum amount was accumulated in the second cycle of nostoc cultivation. Thus, the culture of Nostoc linckia demonstrated resistance to multimetallic systems and a high potential for bioaccumulation of Cr(VI) and other metals present. The capacity of cyanobacterium Nostoc linckia to bioaccumulate Cr(VI) from the contaminated medium remained high over three generations, while the uptake of Fe, Ni, Cu and Zn in the biomass increased from generation to generation. In conclusion, edaphic cyanobacterium Nostoc linkia is a good accumulator of chromium, but also of other metals in multimetallic systems. Due to its biological nature, Nostoc linckia is a suitable matrix for remediation processes that offers a vast competition ground for metal cations. Therefore, the use of microorganisms for heavy metal removal is a sustainable remediation approach that must be adopted in order to balance the environment and nature.
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Romanenko, P. O., K. O. Romanenko, and O. A. Brytik. "Innovative bioproduct based on soil nitrogen-fixing cyanobacterium Nostoc commune." In INNOVATIVE RESEARCH IN THE AGRICULTURAL SECTOR OF UKRAINE AND EU COUNTRIES. Baltija Publishing, 2023. http://dx.doi.org/10.30525/978-9934-26-350-7-6.

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Zhao, Hui, Jing Liu, Qi Dou, and Jianyu Su. "Effects of Nostoc flagelliforme on Soil Physical-Chemical Properties and Microbial Community." In 2012 International Conference on Biomedical Engineering and Biotechnology (iCBEB). IEEE, 2012. http://dx.doi.org/10.1109/icbeb.2012.187.

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Wang, Yizhong, Jianyu Su, Tiegen Liu, Fanzhi Kong, and Shiru Jia. "Study on activity measurement of Nostoc flagelliforme cells based on color identification." In International Conference of Optical Instrument and Technology, edited by Shenghua Ye, Guangjun Zhang, and Jun Ni. SPIE, 2008. http://dx.doi.org/10.1117/12.807043.

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Yu, Hai-feng, Yong-sheng Dong, and Shi-ru Jia. "Growth and extracellular polysaccharides production of nostoc flagelliforme cells in mixotrophic culture." In 2010 3rd International Conference on Biomedical Engineering and Informatics (BMEI). IEEE, 2010. http://dx.doi.org/10.1109/bmei.2010.5639647.

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Reports on the topic "Nostoc"

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Meeks, John C. The Nostoc punctiforme Genome. Office of Scientific and Technical Information (OSTI), December 2001. http://dx.doi.org/10.2172/841015.

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Meeks, John C. Systems Level Approaches to Understanding and Manipulating Heterocyst Differentiation in Nostoc Punctiforme: Sites of Hydrogenase and Nitrogenase Synthesis and Activity. Office of Scientific and Technical Information (OSTI), April 2015. http://dx.doi.org/10.2172/1177288.

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Colom Mendoza, Enric. Nostra Senyora del Port. Institut Català d’Arqueologia Clàssica, 2023. http://dx.doi.org/10.51417/figlinae_079.

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Ficha del yacimiento Nostra Senyora del Port ubicado a Barcelona (Barcelona) incluida en el proyecto Figlinae Hispanae (FIGHISP). Catálogo en red de las alfarerías hispanorromanas y estudio de la comercialización de sus productos.
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Fisher, Fred H. NOSC Optical Propagation Experiment. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada239186.

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Albert, T. R. Adaptive Signal Processing at NOSC. Fort Belvoir, VA: Defense Technical Information Center, March 1992. http://dx.doi.org/10.21236/ada250245.

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Pereira, Manoel Gomes. Algumas reflexões sobre as remessas de emigrantes. Inter-American Development Bank, May 2004. http://dx.doi.org/10.18235/0007859.

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A questão das comunidades brasileiras no exterior não é nova para o Ministério das Relações Exteriores. Desde a década de 1980, premidos pela crise econômica que se abateu sobre o Brasil, milhares de nossos compatriotas tomaram o caminho do exterior, em busca de oportunidades de melhoria de vida. Hoje, há um total de entre 2,5 e 3 milhões de brasileiros vivendo no exterior.
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NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA. NOSC Program Managers Handbook. Revision 1. Fort Belvoir, VA: Defense Technical Information Center, February 1988. http://dx.doi.org/10.21236/ada190215.

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Zilberman, Mark. 12345 test. MZB Standard Enterprise, October 2022. http://dx.doi.org/10.57098/scirev.biology.1.1.12345.

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Agrela, Fabriano de Abreu. Nosso tempo de vida nunca foi tanto, mas também nunca foi tão pouco. CPAH REDAÇÃO, March 2023. http://dx.doi.org/10.56238/cpahciencia-005.

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Perdigão, Rui A. P. Sistemas de Inteligência em Física Interdisciplinar: Discernindo a Complexidade para Navegar as Águas Turbulentas dos Nossos Tempos. Synergistic Manifolds, March 2022. http://dx.doi.org/10.46337/div.220314.

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