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Dissertations / Theses on the topic 'Plants in vitro'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Valmorbida, Janice [UNESP]. "Propagação da espécie Trichilia catigua A. Juss (Catiguá)." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/103248.

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Made available in DSpace on 2014-06-11T19:32:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-05-21Bitstream added on 2014-06-13T20:43:33Z : No. of bitstreams: 1 valmorbida_j_dr_botfca.pdf: 653023 bytes, checksum: 354f212c2d30f294ce34c4e7b5512709 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Pertencente à família Meliaceae, a espécie Trichilia catigua A. Juss é conhecida popularmente como catigua, cataguá, argelim-rosa e mangalto-catingam. Sua casca apresenta propriedades adstringente, inseticida, purgativa, tônica, bactericida, antiinflamatória e a

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2

Valmorbida, Janice 1968. "Propagação da espécie Trichilia catigua A. Juss (Catiguá) /." Botucatu : [s.n.], 2007. http://hdl.handle.net/11449/103248.

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Orientador: Carmen Silvia Fernandes Boaro<br>Banca: João Domingos Rodrigues<br>Banca: Giuseppina Pace P. Lima<br>Banca: Marcos Roberto Furlan<br>Banca: Antonio Natal Gonçalves<br>Resumo: Pertencente à família Meliaceae, a espécie Trichilia catigua A. Juss é conhecida popularmente como catigua, cataguá, argelim-rosa e mangalto-catingam. Sua casca apresenta propriedades adstringente, inseticida, purgativa, tônica, bactericida, antiinflamatória e antidepressiva. Com o objetivo de propagar a espécie T. catigua foram desenvolvidos experimentos testando o enraizamento de estacas e a micropropagação

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3

Lees, Robert. "Photosynthesis and nutrition in in vitro plants." Thesis, University of Central Lancashire, 1993. http://clok.uclan.ac.uk/20823/.

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The successful micropropagation of woody or herbaceous perennial plants is often limited by large losses which occur as plants are transferred from culture to soil. Poor photosynthetic capability may be partly responsible for losses at this stage. Results show that growth irradiance, CO 2 and carbohydrate in the growth medium are all factors which combine to affect the development of photosynthetic capability in vitro. Low capacity for the photochemical dissipation of excess light energy is primarily a result of endproduct inhibition of photosynthesis by accumulated leaf carbohydrate, and resu

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4

au, chrisn@npmicro com, and Christopher Jack Newell. "In vitro soil-less (IVS) rooting medium." Murdoch University, 2006. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20070514.132029.

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The principle hypothesis of this thesis is that hypoxia, in agar-based media, compromises rooting in vitro. From a practical point of view this is important because most plant tissue culture activities require the material to be successfully acclimatised in a nursery environment. Compromised rooting often results in excessive losses at this stage which are costly and inconvenient. In addition, many plants with commercial and/or scientific interest remain unavailable as they are not able to be rooted and acclimatised reliably. The use of agar as a rooting medium has limited the capacity of plan

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5

Umboh, Magdalena Irène. "Utilisation de techniques de culture in vitro pour la multiplication végétative de Pinus merkusii Jungh et de Vriese." Paris 11, 1985. http://www.theses.fr/1985PA112034.

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La multiplication végétative in vitro de Pinus merkusii a été réalisée à partir de la culture d'explants de plantes issues de germination, ou de plantules prélevées dans les graines non germées. La technique comprend 4 étapes nécessitant des traitements différents : obtention et développement des bourgeons, croissance des pousses feuillées, enracinement et sevrage. La formation de bourgeons et la rhizogénèse nécessitent une induction préalable par des régulateurs de croissance (BAP seule ou combinée avec ANA pour les bourgeons, ANA pour la rhizogénèse), alors que la croissance des pousses feui

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6

Tisdall, Laurence. "Acclimatization of micropropagated 'Silvan' blackberry." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59835.

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Tissue-cultured shoots and plantlets usually have leaves with non-functional, open stomata and little epicuticular and cuticular wax, resulting in excess evapotranspiration after transplantation. Various strategies were evaluated to decrease ex vitro acclimatization difficulties for 'Silvan' blackberry, including transplanting unrooted shoots, increasing the medium agar concentration from 6 to 9 or 12 g/l and diluting the basal medium. Increased medium agar concentrations and medium dilution did not improve survival or growth. Stomatal function resumed sooner in new leaves of plantlets than sh

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7

Santos, Fabio Vieira dos. "Avaliação da mutagenicidade in vivo e in vitro de compostos obtidos de plantas nativas do cerrado /." Araraquara : [s.n.], 2006. http://hdl.handle.net/11449/104029.

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Orientador: Eliana Aparecida Varanda<br>Banca: Francisca da Luz Dias<br>Banca: Denise Crispin Tavares<br>Banca: Iracilda Zeppone Carlos<br>Banca: Daisy Maria Fávero Salvador<br>Resumo: No presente trabalho, foram avaliadas dez espécies vegetais, nativas do cerrado brasileiro e utilizadas popularmente no tratamento de úlceras gástricas, quanto ao seu potencial mutagênico. Foram empregados os testes de Ames (in vitro) e do micronúcleo em células do sangue periférico de camundongos (in vivo). De cada espécie vegetal foram avaliados dois tipos de extratos brutos: um polar e um apolar. Nos ensaios

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8

Badr, Ashraf. "In vitro and ex vitro potato plantlets (Solanum tuberosum) metabolic response to exogenously supplied sucrose : a metabolomic approach." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/27937/27937.pdf.

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9

Henfrey, R. D. "In vitro transcription of exogenous plant DNA." Thesis, University of Hertfordshire, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381604.

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10

Cantabella, Velázquez Daniel. "Elucidating the plant growth-promoting effects of three microorganisms on deciduous fruit tree plants using in vitro culture conditions." Doctoral thesis, Universitat de Lleida, 2021. http://hdl.handle.net/10803/672442.

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El cultiu in vitro de teixits vegetals és una tècnica molt utilitzada per a l’obtenció d’importants quantitats de material genèticament idèntic i lliure de malalties. No obstant això, en alguns cultius de fruiters, aquesta tècnica es pot veure limitada per la baixa capacitat d’arrelament i aclimatació d’alguns genotips, així com per las grans pèrdues ocasionades per la presència de contaminacions endòfites. L’ús de microorganismes que milloren el creixement de plantes pot constituir una alternativa interessant gràcies a la seva capacitat de produir hormones vegetals i controlar el creixement d

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Santos, Fabio Vieira dos [UNESP]. "Avaliação da mutagenicidade in vivo e in vitro de compostos obtidos de plantas nativas do cerrado." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/104029.

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Made available in DSpace on 2014-06-11T19:32:56Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-11-21Bitstream added on 2014-06-13T20:04:42Z : No. of bitstreams: 1 santos_fv_dr_arafcf.pdf: 2772038 bytes, checksum: 87de3b04ac94695610adac9ab078ad62 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Universidade Estadual Paulista (UNESP)<br>No presente trabalho, foram avaliadas dez espécies vegetais, nativas do cerrado brasileiro e utilizadas popularmente no tratamento de úlceras gástricas, quanto ao seu potencial mutagênico. Foram empregados os testes de Am

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Fogolari, Hoilson. "Potencial de extratos à base de Calendula officinalis L. na indução de resistência e no efeito fungistático sobre Botrytis cinerea, in vitro." Universidade Tecnológica Federal do Paraná, 2010. http://repositorio.utfpr.edu.br/jspui/handle/1/252.

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Diversos estudos vêm demonstrando o potencial de plantas medicinais no controle de fitopatógenos, tanto por sua ação fungistática direta, quanto pela capacidade de induzir a defesa das plantas, indicando a presença de moléculas com características elicitoras. Nesse sentido foram desenvolvidos três experimentos no ano de 2009 e 2010, na Universidade Tecnológica Federal do Paraná – Campus de Dois Vizinhos, com objetivos de avaliar o potencial de preparados a base de calêndula (Calendula officinalis L.) na indução de fitoalexinas em cotilédones de soja, na indução de resistência em frutos de mora

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Borda, Yepez Charlotte Cesty [UNESP]. "Potencial morfogenético e carotenóides em tecidos cultivados in vitro de Pothomorphe umbellata L." Universidade Estadual Paulista (UNESP), 2003. http://hdl.handle.net/11449/103306.

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Made available in DSpace on 2014-06-11T19:32:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-06-23Bitstream added on 2014-06-13T20:23:47Z : No. of bitstreams: 1 bordayepez_cc_me_botfca.pdf: 605083 bytes, checksum: 56a87160ec1d63940d534d9e6a51cff7 (MD5)<br>O presente trabalho teve como objetivo estabelecer o protocolo de desinfestação de estacas e sernentes e germinação de Pothomorphe umbeilata (L) e adaptar o protocolo de micropropagação de Pothomorphe umbeilata (L), incluindo a produção de calos e organogênese, além de comparar o teor de carotenóides entre calos e plântulas. O exp

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Mosime, Bonolo. "In vitro conservation of selected endangered plant species indigenous to the Cape Floristic Region, South Africa." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2343.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2016.<br>This study focused on optimising four types of in-vitro conservation methods, namely: 1), micropropagation, 2) in-vitro slow growth, 3) seed germination and 4) cryopreservation for selected endangered plant species indigenous to the Cape Floristic Region. It is one of the targets set by United Nations millennium development goals, to integrate different conservation measures in order to preserve plant diversity and mitigate losses of genetic diversity. Therefore this study uses Phalaenopsis hybrids as a trial spec

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Silva, Rayanne Farias da. "Histological analysis of tissues cultured in vitro laticÃferas plants, soluble protein profile and action against plant pathogens." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14733.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>Laticifers plants have been studied by presenting a wide range of proteins related to plant defense in its latex. The aim of this study was to investigate, in tissue cultured in vitro, proteins and activities described for latex laticÃferas two species. Tissue callus and roots of Cryptostegia grandiflora were obtained by in vitro tissues culture protocols and subjected to histological analysis for laticifers characterization. Cultured tissue of Calotropis procera were used as comparative reference in the analysis. There wasnât any l

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Pais, Vinícius Andrade Arce. "Avaliação de atividade anticâncer in vitro e in vivo de plantas medicinais provenientes da Serra da Mantiqueira Paulista." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/317625.

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Orientadores: João Ernesto de Carvalho, Mary Ann Foglio<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-18T04:00:21Z (GMT). No. of bitstreams: 1 Pais_ViniciusAndradeArce_M.pdf: 3917209 bytes, checksum: 81f3730bcb96d1f985bbe7ac68e8c8cf (MD5) Previous issue date: 2011<br>Resumo: O câncer é um conjunto de mais de 100 doenças diferentes que afligem a população mundial e caracteriza-se pela perda de função celular e ausência de diferenciação, além da proliferação descontrolada. Somente no Brasil, estima-se que foram regis

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Vedovato, Nádia Pita Figueiredo. "Otimização de protocolos de germinação in vitro de pinhão-manso (Jatropha curcas L.) /." Jaboticabal : [s.n.], 2011. http://hdl.handle.net/11449/92651.

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Resumo: O pinhão-manso (Jatropha curcas L.) é uma oleaginosa da família Euphorbiaceae, que se destaca pelo seu grande potencial sócio econômico e como uma excelente alternativa para a produção de biodiesel. O presente trabalho teve como objetivo principal a padronização e otimização de protocolos de cultivo in vitro para embriões e sementes com adição dos suplementos complexo vitamínico e ácido giberélico em meio MS, visando a obtenção de plântulas assépticas para a extração de explantes que serão utilizados em outros processos de cultura de tecidos e transformação genética para a produção fut

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Arnolin, Richard. "Bouturage in vitro, en vue de la production de plants chez l'igname Dioscorea Sp. L." Paris 11, 1985. http://www.theses.fr/1985PA112374.

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Dans le présent travail les possibilités de multiplication par bouturage in vitro, de trois cultivars d’igname présentant un grand intérêt économique ont été étudiées, et le comportement des vitroplantules ainsi obtenues a été observé. Les explants primaires doivent être prélevés sur des parties jeunes de plantes conduites en serre. Les auxines sont favorables à l’enracinement de boutures ; une cycokinine comme la benzyl adénine est plutôt favorable à la caulogenèse. D. Cayenensis rotundata, c. V. V17/2, donne le meilleur coefficient de multiplication, sur le milieu 169, dérivé du milieu M. S.

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Mlungwana, Asanda. "In-vitro propagation studies of the endangered succulents Drosanthemum Micans and Drosanthemum Hallii (Aizoaceae)." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2748.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2018.<br>Drosanthemum micans and Drosanthemum hallii are endangered succulent shrubs of horticultural and medicinal value. They are restricted to the Succulent Karroo, which is one of the world’s biodiversity hotspots. The species risk extinction from illegal over-harvesting for water-wise gardens, erosion by occasional flush floods from ephemeral rivers, competition from alien invasive species, overgrazing and clearing of land for agriculture and human settlement. Although seeds and cuttings may be used in propagating the

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Colling, Janine. "Towards understanding the metabolism of in vitro Sutherlandia frutescens (L.)R.Br. cultures." Thesis, Stellenbosch : University Stellenbosch, 2009. http://hdl.handle.net/10019.1/4601.

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Thesis (MSc (Plant Biotechnology))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: Sutherlandia frutescens (L.) R. Br., also regarded as Lessertia frutescens, is a leguminous, perennial shrub indigenous to South Africa. Extracts prepared from the leaves have traditionally been used for the treatment of various diseases. Reports have also indicated that S. frutescens provides certain health benefits to cancer and HIV/AIDS patients. Analysis of extracts indicated the presence of several compounds (bitter triterpenoid glycosides, several flavonoids, amino acids, small amounts of saponi

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Balfagón, Martín Aranzazu. "lux operon transformation of plastids in higher plants." Doctoral thesis, Universitat Internacional de Catalunya, 2013. http://hdl.handle.net/10803/125374.

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Este trabajo es parte de la investigación del Grupo de investigación de Arquitecturas Genéticas (2009 SGR 862). El objetivo global del grupo es investigar sobre las nuevas formas arquitectónicas y materiales para tratar de aportar soluciones eco-sostenibles de algunas de las necesidades humanas más importantes, como la luz, el calor y el hábitat, para reducir, al mismo tiempo, el impacto humano sobre el medio ambiente natural. Esta investigación cubre el área de la biotecnología y presenta un primer estudio de la expresión del operón lux de origen bacteriano en los cloroplastos de las plan

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Ofisi, Mbulelo. "In vitro propagation studies of rare Argyroderma species strictly endemic to the Knersvlakte region of South Africa." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2714.

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Thesis (MTech (Horticulture)--Cape Peninsula University of Technology, 2017.<br>A study was conducted to investigate the effects of various media composition and wounding treating on the in vitro propagation of Argyroderma subalbum and A. testiculare explants derived from mature plants, antioxidants and plant growth regulators (PGR) concentrations. One experiment consisted of 3 medium types including Murashige and Skoog (MS) medium strength, vitamin supplement. Fifteen replicates were used for each treatment. The shoots were then sub-cultured to ten replicate regenerated medium consisting of v

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Baatjies, Lucinda. "In vitro cytotoxic effects of selected Nigerian medicinal plant extracts on cancer cell lines." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1008191.

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Cancer is a disease that imposes a heavy burden on public health and poses a challenge to science. The World Health Organization estimates that 80 percent of people in developing countries of the world rely on traditional medicine for their primary health needs, and about 85 percent of traditional medicine involves the use of plant extracts. This is particularly true in Africa where a large percentage of the population depends upon medicinal plants for health care. Therefore, detailed screening and evaluation of bioactive substances for chemotherapeutic purposes of African plants are urgently

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Coelho, Jéssica Aparecida. "Avaliação in vitro das atividades antioxidante, antimicrobiana e citotóxica de extratos orgânicos das cascas da do fruto jabuticaba (Myrciaria cauliflora Berg)." Universidade Estadual do Oeste do Paraná, 2017. http://tede.unioeste.br/handle/tede/2959.

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Submitted by Rosangela Silva (rosangela.silva3@unioeste.br) on 2017-08-30T17:15:03Z No. of bitstreams: 2 Jéssica Aparecida Coelho.pdf: 983869 bytes, checksum: f052f02c58568ed9e5417fa5e8c7bc58 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available in DSpace on 2017-08-30T17:15:03Z (GMT). No. of bitstreams: 2 Jéssica Aparecida Coelho.pdf: 983869 bytes, checksum: f052f02c58568ed9e5417fa5e8c7bc58 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2017-02-08<br>Currently, research related to natural produ

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Borda, Yepez Charlotte Cesty 1976. "Potencial morfogenético e carotenóides em tecidos cultivados in vitro de Pothomorphe umbellata L. /." Botucatu : [s.n.], 2003. http://hdl.handle.net/11449/103306.

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Orientador: Giuseppina Pace Pereira Lima<br>Banca: Eny Iochevet Segal Floh<br>Banca: João Domingos Rodrigues<br>Resumo: O presente trabalho teve como objetivo estabelecer o protocolo de desinfestação de estacas e sernentes e germinação de Pothomorphe umbeilata (L) e adaptar o protocolo de micropropagação de Pothomorphe umbeilata (L), incluindo a produção de calos e organogênese, além de comparar o teor de carotenóides entre calos e plântulas. O experimento foi conduzido no Laboratório de Biotecnologia Vegetal do Departamento de Química e Bioquímica, do Instituto de Biociências da UNESP - Botuc

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Anibal, Paula Cristina. "Potencial de ação antimicrobiana in vitro de extratos de plantas na inibição de Candida spp, Streptococcus mutans e Staphylococcus aureus." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289352.

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Orientador: Jose Francisco Hofling<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-08T12:53:19Z (GMT). No. of bitstreams: 1 Anibal_PaulaCristina_M.pdf: 2168298 bytes, checksum: 97eb6e5c3daa9ef33ad620dedafac901 (MD5) Previous issue date: 2007<br>Resumo: A cavidade oral abriga uma complexa comunidade de microrganismos que podem estar aderidos aos dentes, Ã mucosa epitelial ou formando biofilme. A maioria desses microrganismos sÃ£o comensais, com uma minoria causando infecÃ§Ãµes oportunistas. Dentre es

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Moraes, Josué de. "Efeito in vitro de extratos e compostos naturais em Schistosoma mansoni." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/87/87131/tde-14092011-090309/.

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Neste estudo avaliou-se o efeito in vitro de 4 compostos isolados de espécies vegetais, as amidas piplartina e piperina, a lignana grandisina e o alcaloide epiisopiloturina; 1 composto isolado da pele de anfíbio, o peptídeo antimicrobiano dermaseptina 01; e de 6 extratos etanólicos obtidos de vegetais, Piper tuberculatum, P. crassinervium, P. diospyrifolium, P. fuligineum, P. gaudichaudianum e Pothomorphe umbellata em adultos (machos e fêmeas com 49 dias) e esquistossômulos (recém-transformados, 1, 3, 5 e 7 dias) de Schistosoma mansoni linhagem BH. O estudo avaliou: 1) a viabilidade de vermes

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Li-Yong, Zhang. "In vitro selection of salt tolerant cell lines and plants from Amaranthus species." Thesis, Coventry University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282734.

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Abd, El-Hakeem Mohamed Mahmoud. "In vitro selection of stress tolerant cell lines and plants of Tagetes spp." Thesis, Coventry University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323517.

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Siriwatanametanon, Nisarat. "Traditionally used Thai medicinal plants : in vitro anti-inflammatory, anticancer and antioxidant activities." Thesis, University College London (University of London), 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522827.

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Ntutela, Siyabulela Calvin Sibusiso. "In vitro efficacy tests against Mycobacterium species of South African traditional medicinal plants." Doctoral thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/3445.

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Includes bibliographical references.<br>Tuberculosis is the leading cause of death due to a single organism; with a mortality of more than 3million people each year, worldwide. The emergence of multi-drug resistance and HIV/AIDS are the major causes of this problem. New therapeutic agents with a different mode of action, and thereby of resistance to Mycobacterium tuberculosis, the causative agent, are needed urgently. Amongst the methods used, the area of ethnopharmacology is explored in this study. Visits were performed to collect the plants used by traditional healers in 7 provinces of South

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Dodd, Helen Jean. "Interactions of pathogenic and saphrophytic pseudomonads with photoautotrophic and in vitro potato plants." Thesis, Queensland University of Technology, 1996. https://eprints.qut.edu.au/106897/1/T%28S%29%20110%20Interactions%20of%20pathogenic%20and%20saprophytic%20pseudomonads%20with%20photoautotrophic%20and%20in%20vitro%20potato%20plants.pdf.

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Several recent studies have shown that bacteria which are non pathogenic to in vivo plants become pathogenic to in vitro plants. Bacteria can occur in the internal tissue of in vivo plants, often remaining in a latent state and be retained within the explant during the process of in vitro culture. The reasons why non pathogenic bacteria often become pathogenic to plants under in vitro conditions are unknown. In this study plant~bacterial complexes were established to measure the interactions between plant and bacteria in axenic plants grown under in vitro and photoautotrophic conditions. The

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ZAMPIERI, MARIA C. T. "Estudo sobre os efeitos do cobre e zinco no crescimento da plantula de Aechmea blanchetiana (Baker) L.B. Smith cultivada in vitro. Aplicacao da analise por ativacao com neutrons." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9616.

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Made available in DSpace on 2014-10-09T12:28:42Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:56:04Z (GMT). No. of bitstreams: 0<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP<br>FAPESP:08/55680-8

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Cholet, Juliette. "Valorisation à visée nutraceutique et/ou cosmétique du patrimoine botanique auvergnat : plantes à potentiel anti-inflammatoire." Thesis, Université Clermont Auvergne‎ (2017-2020), 2020. http://www.theses.fr/2020CLFAC015.

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Relativement sous-exploité, le potentiel d’innovation lié aux activités biologiques des métabolites secondaires des végétaux est pourtant considérable. Aussi, nous nous sommes intéressés à la flore d’Auvergne, reconnue pour sa richesse et sa diversité, qui possède de nombreuses plantes encore peu étudiées et valorisables. Grâce aux compétences régionales dans ce domaine d’activité (académiques et industrielles), un projet collaboratif ayant pour finalité l’étude et la valorisation de plantes auvergnates dotées d’activité anti-inflammatoire a été mis en place (projet PlantInAuv 2017-2020). Ce t

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Berla, Sandra Maria Carvalhal. "Atividade inibitória in vitro de extratos de Arrabidaea chica (Verlot.) sobre Candida albicans." Universidade de Taubaté, 2008. http://www.bdtd.unitau.br/tedesimplificado/tde_busca/arquivo.php?codArquivo=508.

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É grande o interesse em substâncias que apresentem ação inibitória sobre leveduras do gênero Candida. Várias plantas utilizadas na medicina popular têm sido estudadas, com esta finalidade. O presente trabalho teve por finalidade avaliar a atividade inibitória in vitro de extratos de Arrabidaea chica (Verlot.), conhecida popularmente por crajirú em Rondônia (Brasil), sobre Candida albicans. Foi avaliada a concentração inibitória mínima (CIM) de extratos aquoso e hidroalcoólico, autoclavados e filtrados, utilizando a técnica de diluição em ágar, sobre vinte e cinco cepas de C. albicans. Os extra

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Gomes, Edgard Franco. "Inhibition of infective larvae exsheathment and egg hatching of the nematode Haemonchus contortus with extracts of tannin-rich plants." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/64/64134/tde-18102013-100628/.

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The aim of this work was to assess the bioactivity of extracts of the tannin-rich plants Acacia mearnsii, Myracrodruon urundeuva, Caesalpinea bracteosa and Leucaena leucocephala against egg and infective larvae stages of Haemonchus contortus. Two in vitro assays were held: an Egg Hatch Assay (EHA) and a Larval Exsheathment Inhibition Assay (LEIA). The EHA consists of the incubation of previously recovered eggs from infected animal\'s faeces in a solution of plant extract for 24 hours and later differentiation between larvae and nonhatched eggs. The concentrations used were 50.00, 25.00, 12.50,

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Van, Rooyen Anzel. "The effect of in vitro digestion on selected biological activities of Hypoxis sobolifera corms." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1020058.

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In South Africa part of the cultural and religious beliefs of the African people is the use of traditional remedies to treat diseases. These remedies are obtained from medicinal plants (Steenkamp, 2003). One of the most frequently traded plants in the Eastern Cape is Hypoxis, commonly known as Afrika patat, or African potato. South African traditional healers instruct patients to brew the fresh Hypoxis corm as a tea and then ingest it (Steenkamp, 2006a). This prompted an investigation into the digestive stability of a traditionally prepared Hypoxis extract. The H. sobolifera extracts were dige

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Bateson, Janice Mary. "In vitro selection and characterization of lead resistant somaclonal variants from Daucus carota L." Thesis, University of Plymouth, 1990. http://hdl.handle.net/10026.1/2437.

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Lead was shown to inhibit both callus initiation and callus growth in cultures of Daucus carota L. subsp. sativus (Hoff. Thell.) cv. Nantes ''Tiptop'' and ''Nanthya''. Taproot explants of Daucus carota were stressed with lead. The callus cell lines which initiated under this stress were shown to exhibit resistance to the effects of lead ions. The growth of the selected and nonselected cell lines on non-lead containing media was comparable and the resistance possessed by the selected cell lines did not result in reduced growth rates in the presence of lead. The resistance characteristic was sho

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Gazis, Fotis. "Forsythia X intermedia cv. spectabilis (Zab.) in vitro propagation and raspberry ringspot virus elimination." Thesis, University of Bath, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334617.

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Huang, Beichu. "A comparative study of in vivo and in vitro embryogenesis in Arabidopsis thaliana L." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/14122.

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Witbooi, Hildegard. "In vitro propagation of Agathosma betulina an indigenous plant of economic importance." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/841.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Horticultural Sciences in the Faculty of Applied Sciences at the CAPE PENINSULA UNIVERSITY OF TECHNOLOGY Supervisor: Dr L Kambizi Co-supervisor: Dr NP Makunga Cape Town December 2013<br>Agathosma betulina (Berg.) Pillans, previously known as Barosma betulina, is a member of the Rutaceae family, and indigenous to the fynbos botanical biome of the Western Cape of South Africa. It is commonly known as buchu. Extracts as well as powdered leaves have traditionally been used for the treatment of various ailments.

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Oliveira, Adam Heron de. "Atividade antimicrobiana e imunológica in vitro dos extratos de Senna reticulata (Willd.) Irwin & Barneby (mata-pasto) E Vismia guianensis (Aubl.)(lacre) /." Araraquara : [s.n.], 2009. http://hdl.handle.net/11449/96232.

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Orientador: Hérida Regina Nunes Salgado<br>Banca: Hérida Regina Nunes Salgado<br>Banca: Eloir Paulo Schenkel<br>Banca: Taís Maria Bauab<br>Resumo: As espécies Vismia guianensis (Aubl.) (Clusiaceae) e Senna reticulata (Willd.) Irwin & Barneby (Caesalpiniaceae), conhecidas popularmente por lacre e mata-pasto, respectivamente, são encontradas na região amazônica, onde são utilizadas na medicina popular para o tratamento de diversas moléstias, principalmente infecções e dermatomicoses. Diante do exposto, o presente trabalho objetivou avaliar a atividade antimicrobiana dos extratos e frações das re

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Wang, Hong. "IN VITRO culture of red clover (TRIFOLIUM PRATENSE L.) and evaluation of regenerated plants." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25063.

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Red clover (Trifolium pratense L.) cvs 'Altaswede' (2n=2X=14) and 'Norseman' (2n=4X=28) were used in the present study to investigate tissue culture initiation, plant regeneration and the occurrence of somaclonal variation. Hypocotyl explants of aseptic seedlings were inoculated into L2 medium containing 0.06 mg/1 Picloram and 0.1 mg/1 benzyladenine for callus induction. Calli were usually induced after two weeks of culture. Callus induction frequency was 60% to 85% of the explants cultured with 'Altaswede' showing a slightly higher frequency than 'Norseman'. Satisfactory results were obtained

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Hussein, Noureldaim. "Studies on in vitro manipulation of male and female reproductive systems of flowering plants." Thesis, Durham University, 1993. http://etheses.dur.ac.uk/2213/.

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The overall aim of this research project is to investigate the possibility of using pollen as a vector for transporting extracellular substances to the site of gamete fusion in the embryo sac. Manipulation of plant male and female gametophytes included studies on pollen culture in vitro, pollen viability and developmental state, loading of fluorescent probes by plasmolysis/endocytosis and via vascular system, clearance of embryo sacs, ovule culture and the in vitro fertilisation and production of genetically uniform lines.Pollen from Impatiens glanduiifera cultured under a range of nutrients (

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Ichinose, Juliana Garcia dos Santos [UNESP]. "Paclobutrazol no crescimento e desenvolvimento in vitro e na aclimatização de Sophronitis cernua (Lindl.) Lindl. e Brassavola flagellaris Barb. Rodr. (Orchidaceae)." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/105146.

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Made available in DSpace on 2014-06-11T19:33:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-04-19Bitstream added on 2014-06-13T19:23:49Z : No. of bitstreams: 1 ichinose_jgs_dr_jabo.pdf: 375994 bytes, checksum: ca9a5202ea2ae13b7677ec7e4a5a5440 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Sophronitis cernua e Brassavola flagellaris são orquídeas epífitas, nativas do Brasil. O cultivo in vitro é uma técnica que permite produzir grande número de indivíduos, entretanto ocorrem mui

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VITA, Gilmar Ferreira. "Efic?cia de plantas medicinais no controle de parasitos gastrintestinais de Gallus gallus: testes in vitro e in vivo." Universidade Federal Rural do Rio de Janeiro, 2017. https://tede.ufrrj.br/jspui/handle/jspui/2196.

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Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-02-07T17:49:14Z No. of bitstreams: 1 2017 - Gilmar Ferreira Vita.pdf: 2611067 bytes, checksum: abac55cdad10547db6f65387f7124c20 (MD5)<br>Made available in DSpace on 2018-02-07T17:49:14Z (GMT). No. of bitstreams: 1 2017 - Gilmar Ferreira Vita.pdf: 2611067 bytes, checksum: abac55cdad10547db6f65387f7124c20 (MD5) Previous issue date: 2017-03-29<br>CAPES<br>The present study was developed from 2013 to 2016 in the Laboratory of Zoology of the Universidade Federal Rural do Rio de Janeiro and the Department of Animal Parasitology of the Un

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Knowles, Cindy-Lee. "Synergistic effects of mixtures of the kresoxim-methyl fungicide and medicinal plants extracts in vitro and in vivo against Botrytis Cinerea." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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The fungus Botrytis cinerea is an opportunistic pathogen on a wide variety of crops, causing disease known as grey mould through infections via wounds or dead plant parts. Synthetic fungicides for controlling this disease are fast becoming ineffective due to the development of resistance. This, coupled with consumers world wide becomng increasingly conscious of potential environment and health problems associated with the build up of toxic chemicals, (particularly in food products), have resulted in pressure to reduce the use of chemical pesticide volumes as well as its residues. An emerging a

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Vedovato, Nádia Pita Figueiredo [UNESP]. "Otimização de protocolos de germinação in vitro de pinhão-manso (Jatropha curcas L.)." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/92651.

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Made available in DSpace on 2014-06-11T19:26:08Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-07-29Bitstream added on 2014-06-13T20:54:09Z : No. of bitstreams: 1 vedovato_npf_me_jabo.pdf: 472091 bytes, checksum: 2541548e6ff5199c3f8bd4fe048ab8f9 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O pinhão-manso (Jatropha curcas L.) é uma oleaginosa da família Euphorbiaceae, que se destaca pelo seu grande potencial sócio econômico e como uma excelente alternativa para a produção de biodiesel. O presente trabalho teve como objetivo principal a padronização e

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49

Rosnow, Josh Jeffrey. "In vitro cultures and regeneration of Bienertia sinuspersici (Chenopodiaceae) under increasing concentrations of sodium chloride and carbon dioxide." Pullman, Wash. : Washington State University, 2010. http://www.dissertations.wsu.edu/Thesis/Spring2010/j_rosnow_042010.pdf.

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Thesis (M.S. in molecular plant sciences)--Washington State University, May 2010.<br>Title from PDF title page (viewed on July 9, 2010). "Department of Molecular Plant Sciences." Includes bibliographical references.

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Boukes, Gerhardt Johannes. "The in vitro biological activities of three Hypoxis species and their active compounds." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1228.

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The African potato is used as an African traditional medicine for its nutritional and medicinal properties. Most research has been carried out on H. hemerocallidea, with very little or nothing on other Hypoxis spp. The main aim of this project was to provide scientific data on the anticancer, anti-inflammatory and antioxidant properties of H. hemerocallidea, H. stellipilis and H. sobolifera chloroform extracts and their active compounds. The hypoxoside and phytosterol contents of the three Hypoxis spp. were determined using TLC, HPLC and GC. H. hemerocallidea and H. sobolifera chloroform extra

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