Thematische Bibliographien / Parasit analyst

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Auswahl der wissenschaftlichen Literatur zum Thema „Parasit analyst“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 15. Februar 2022

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Zeitschriftenartikel zum Thema "Parasit analyst"

Permatasari, Silfiana Nisa, und Umarudin . „Determinasi dan Analisa Proksimat Daun Benalu pada Pohon Mangga Arum Manis di Ketintang Madya Surabaya“. Journal of Pharmacy and Science 4, Nr. 2 (17.08.2019): 77–83. http://dx.doi.org/10.53342/pharmasci.v4i2.140.

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ABSTRAKTumbuhan benalu merupakan tumbuhan tingkat tinggi yang tergolong sebagai parasit. Penelitian ini bertujuan untuk determinasi dan analisa proksimat pada daun benalu pada pohon mangga arumanis di ketintang Madya Surabaya. Metode penelitian ini dilakukan secara true experimental. Penelitian ini meliputi determinasi tumbuhan benalu di LIPI Purwodadi dan analisa proksimat meliputi analisa kadar abu (Gravimetri), kadar air (Thermovolumetri), dan kadar karbohidrat total (Iodimetri). Hasil penelitian menunjukkan bahwa hasil determinasi adalah tanaman Dendrophthoe pentandra (L.) Miq dan Macrosolen tetragonus BI. Hasil analisa proksimat daun benalu Dendrophthoe pentandra (L.) Miq diperoleh hasil rata-rata yaitu kadar abu 14,22%; kadar air 7,50%; kadar karbohidrat total 16,20%.Kata kunci: Determinasi, Analisa Proksimat, Benalu Mangga arum manis.ABSTRACTParasite plants are high-level plants classified as parasites. This research aims at determination and proximate analysis of parasite leaves on arum manis mango tree at Ketintang Madya No. 81, Surabaya. This study is true experimental research. It involves the determination of parasitic plants at LIPI Purwodadi and proximate analysis including analysis of ash content (Gravimetry), water content (Thermovolumetry), and total carbohydrate levels (Iodimetry). The result of determination is Macrosolen tetragonus (BI.) Miq and Dendrophthoe pentandra (L.) Miq. Meanwhile, the result of proximate analysis is Dendrophthoe pentandra (L.) Miq. Also, the average yield was 14.22% ash content; 7.50% moisture content; 16.20% total carbohydrate levels.Keywords: Determination; Proximate analysis; Parasite plants

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Pichon, G., V. Robert, T. Tchuinkam, B. Mulder und J. P. Verhave. „Analyse quantitative de la distribution des oocystes dePlasmodium falciparumchezAnopheles gambiae“. Parasite 3, Nr. 2 (Juni 1996): 161–67. http://dx.doi.org/10.1051/parasite/1996032161.

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BESTEIRO, S., S. VO DUY, C. PERIGAUD, I. LEFEBVRE-TOURNIER und H. J. VIAL. „Exploring metabolomic approaches to analyse phospholipid biosynthetic pathways in Plasmodium“. Parasitology 137, Nr. 9 (29.01.2010): 1343–56. http://dx.doi.org/10.1017/s0031182009991934.

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SUMMARYPlasmodium falciparum, the agent responsible for malaria, is an obligate intracellular protozoan parasite. For proliferation, differentiation and survival, it relies on its own protein-encoding genes, as well as its host cells for nutrient sources. Nutrients and subsequent metabolites are required by the parasites to support their high rate of growth and replication, particularly in the intra-erythrocytic stages of the parasite that are responsible for the clinical symptoms of the disease. Advances in mass spectrometry have improved the analysis of endogenous metabolites and enabled a global approach to identify the parasite's metabolites by the so-called metabolomic analyses. This level of analysis complements the genomic, transcriptomic and proteomic data already available and should allow the identification of novel metabolites, original pathways and networks of regulatory interactions within the parasite, and between the parasite and its hosts. The field of metabolomics is just in its infancy in P. falciparum, hence in this review, we concentrate on the available methodologies and their potential applications for deciphering important biochemical processes of the parasite, such as the astonishingly diverse phospholipid biosynthesis pathways. Elucidating the regulation of the biosynthesis of these crucial metabolites could help design of future anti-malarial drugs.

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Armijos, R. X., V. Thomas-Soccol, G. Lanotte, J. Racines, F. Pratlong und J. A. Rioux. „Analyse chimiotaxonomique de vingt-deux souches deLeishmaniaisolées au nord-ouest de l'Équateur“. Parasite 2, Nr. 3 (September 1995): 301–5. http://dx.doi.org/10.1051/parasite/1995023301.

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Robert, V., V. Petrarca, P. Carnevale, L. Ovazza und M. Coluzzi. „Analyse cytogénétique du complexeAnopheles gambiaedans la région de Bobo-Dioulasso (Burkina Faso)“. Annales de Parasitologie Humaine et Comparée 64, Nr. 4 (1989): 290–311. http://dx.doi.org/10.1051/parasite/1989644290.

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Petit, G. „Ingestion des Hématozoaires par le vecteur. Analyse de quatre Filaires parasites d’un saïmiri“. Annales de Parasitologie Humaine et Comparée 60, Nr. 4 (1985): 455–97. http://dx.doi.org/10.1051/parasite/1985604455.

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Gendre, P., J. Bailenger und B. De Fougieres. „Analyse microscopique de l’action des sels mercuriques sur la concentration parasitaire en coprologie“. Annales de Parasitologie Humaine et Comparée 62, Nr. 3 (1987): 214–21. http://dx.doi.org/10.1051/parasite/1987623214.

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Karadimas, Dimitri. „Tlaloc, le dieu parasite“. Recherches amérindiennes au Québec 47, Nr. 2-3 (12.06.2018): 35–46. http://dx.doi.org/10.7202/1048594ar.

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Travaillant à partir de sources variées et composites, l’auteur livre une analyse iconographique originale sur Tlaloc, le dieu parasite des Mayas, figure centrale de leur panthéon, souvent qualifié par les spécialistes des sociétés mésoaméricaines comme le « dieu de la pluie », mais aussi des tornades, des séismes et autres éléments météorologiques. À travers une démarche archéologique et anthropologique, l’auteur propose de mettre en lumière une « pensée analogique », traversant différentes sociétés précolombiennes, qui, pour créer les êtres imaginaires, trouve son inspiration dans les formes significatives apparaissant au sein du monde vivant, notamment dans certaines espèces d’insectes.

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Eliyani, Yuke. „Identifikasi Infeksi Ektoparasit pada Ikan Mas (Cyprinus carpio L.) di Perairan Waduk Darma, Kabupaten Kuningan Provinsi Jawa Barat“. Jurnal Penyuluhan Perikanan dan Kelautan 11, Nr. 2 (31.08.2017): 63–78. http://dx.doi.org/10.33378/jppik.v11i2.86.

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Penelitian ini bertujuan untuk mengidentifikasi serangan infeksi ektoparasit pada ikan mas (Cyprinus carpio) yang perairan Waduk Darma Kabupaten Kuningan, Provinsi Jawa Barat, pada bulan Agustus 2017. Identifikasi dan analisa ektoparasit dilaksanakan di Laboratorium Kesehatan Ikan, Departemen Akuakultur, Institut Pertanian Bogor. Hasil identifikasi menunjukkan terdapat tiga jenis parasit yang memiliki nilai prevalensi yang sama yaitu sebesar 66,67: Trichodina sp., Epistylis sp., serta Gyrodactylus sp.Nilai prevalensi tertinggi dicapai oleh parasit Dactylogyrus sp, namun dominansi parasit (7,53) ini tidak mencapai nilai tertinggi. Adapun nilai dominansi dan intensitas tertinggi diperoleh parasit Epistylis sp. dengan nilai sebesar 69,49 dan 715,40. Terdapat hasil yang menarik dari penelitian ini, dimana lima jenis parasit dari total 10 parasit yang ditemukan adalah dari golongan Monogenea (Cichlidogyrus sp., Gyrodactylus sp., Heterobothrium sp., Diplozoon sp., serta Dactylogyrus sp.).

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Payment, Pierre, Aminata Berte und Carole Fleury. „Sources of variation in isolation rate of Giardia lamblia cysts and their homogeneous distribution in river water entering a water treatment plant“. Canadian Journal of Microbiology 43, Nr. 7 (01.07.1997): 687–89. http://dx.doi.org/10.1139/m97-098.

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The objective of this work was to determine if differences in the number of Giardia cysts measured in river water were due to the method itself, the analyst, or real differences in the distribution of these cysts in water. To minimize the methodological differences, centrifugation only was used as the primary concentration method. Differences were observed between results from different analysts and they were identified as technical errors. Once the method had been well established, cysts were found to be distributed homogeneously in the river water tested. Small differences were observed among samples collected sequentially at the same time, as well as for samples collected on different days or at different times on the same day. The differences reported in the literature in the number of Giardia cysts detected in water samples from the same site could be an artifact of the methods more than true differences in the counts.Key words: water, Giardia, parasite, methods.

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Dissertationen zum Thema "Parasit analyst"

Rossanigo, Carlos Esteban. „Rôle de l'eau et de la température sur les taux de développement des nématodes parasites du tractus digestif des ruminants“. Montpellier 2, 1992. http://www.theses.fr/1992MON20293.

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Les conditions climatiques ont un role preponderant sur la repartition geographique et temporelle des differentes especes de nematodes parasites des ruminants. Sur un exemple tire du parasitisme des bovins du centre-ouest d'argentine, temperature et pluviometrie contribuent a expliquer les niveaux d'infestation par les principaux genres. Un travail plus experimental est developpe en vue d'estimer le role de l'eau a proximite immediate des ufs et jeunes larves des nematodes (dans les feces), avec ou sans celui de la temperature, sur la partie du cycle de developpement allant de l'uf a la larve infestante. Par des depots de feces d'animaux parasites dans des situations climatiques diversifiees, il est montre que la temperature au sein des bouses etait le premier facteur conditionnant le taux de developpement des especes parasitant les bovins et que c'etait l'humidite ponderale des feces dans le cas des parasites d'ovin. Les exigences thermique et surtout hydriques sont definies au laboratoire pour huit especes parasites de bovins, ovins et cervides multipliees sur ovin. L'adaptation aux faibles humidites etait le principal caractere specifique. La taille des larves infestantes s'est averee dependre des conditions de developpement. Par des tests de laboratoire, il est montre que les petites larves developpees a des humidites faibles migraient et se degainaient plus lentement que les normales et semblaient avoir plus de mal a s'etablir chez l'hote. L'adaptation genetique aux conditions seches d'une lignee a ete tentee par une selection pendant 5 generations mais n'a pas revele d'evolution du taux de developpement dans ces conditions

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Walsh, Ellie Kathleen. „Investigating Root-Knot and Soybean Cyst Nematode Parasitic Interactions through Transcriptomic Analyses of the Host and Parasite“. The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471856126.

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Besnard-Cochennec, Nathalie. „Bonamia ostreae, parasite de l'huître plate, Ostrea edulis : sa position taxonomique parmi les parasites du groupe "microcell" : analyses des interactions hôte-parasite chez plusieurs populations d'huître plates“. La Rochelle, 2001. http://www.theses.fr/2001LAROS073.

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La Bonamiose, maladie due au protozaire Bonamia ostreae a été détectée en 1979 pour la première fois en Bretagne au cours d'épisodes de mortalité. Depuis, cette maladie s'est propagée à tous les centres ostréicoles français, puis européens. Une autre espèce, B. Sp. A été décrite en Nouvelle Zélande et en Australie. En outre, deux autres parasites ont été rapprochés du genre Bonamia. Il s'agit de Mikrocytos mackini qui affecte les huîtres creuses, Crassostrea gigas au Canada et M. Roughleyi qui affecte les huîtres sauvages en Australie, Saccostrea commercialis. Ces quatre parasites sont regroupés sous le nom " microcell ". Les caractérisations ultrastructurales et moléculaires de ces parasites ont été réalisées. Elles ont permis d'inclure les parasites B. Ostreae, B. Sp et M. Roughleyi dans le phylum des Haplosporidia. Une nouvelle espèce a été créée pour B. Sp. , B. Exitiosus. Des outils moléculaires de détection des genres B. Spp. Et M. Spp et d'identification d'espèces ont été mis au point (PCR, PCR-RFLP, Hybridation in situ). L'analyse en cytométrie en flux nous a permis de caractériser morphologiquement et fonctionnellement les effecteurs cellulaires des mécanismes de défense des huîtres plates, les hémocytes circulants. Trois types hémocytaires ont été décrits sur la base de leur taille et de leur granularité. La répartition hémocytaire indique que la population des cellules agranuleuses est majoritaire dans l'hémolymphe. Quatre lectines hétérologues ont permis de discriminer les populations granuleuses et agranuleuses. La mise au point de dosage d'activités cellulaires a permis d'évaluer pour chaque type cellulaire l'expression de six activités déterminantes dans les mécanismes post-phagocytaires. Ces activités sont majoritaires dans les granulocytes. Les grandes cellules agranuleuses et les petits hyalinocytes présentent les mêmes activités mais les taux d'expression sont plus faibles. Les résultats de phagocytose, in vitro, suggèrent que le parasite B. Ostreae intervient de manière active dans la phagocytose. Les résidus glycosylés présents sur la membrane cytoplasmique du parasite sont identiques à ceux présents à la surface des granulocytes suggérant un rôle important des lectines dans les phénomènes de reconnaissance et d'internalisation. Afin de rechercher d'éventuelles relations entre ces paramètres et la résistance à la Bonamiose, différentes populations d'huîtres sensibles et sélectionnées ont été comparées. L'étude a permis de mettre en évidence une corrélation entre l'expression des estérases des grandes cellules agranuleuses et la résistance à la Bonamiose. Ces paramètres pourront servir de critère de sélection dans les programmes d'amélioration génétique.

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Kubát, Pavel. „Analogové elektronické emulátory obvodů neceločíselného řádu“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442475.

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Diploma thesis deals with circuits contain fractional-order elements. The first part of this paper deals with this problem, there were also described methods of design fractionalorder elements and types of circuits containing the fractiona-order elements which can be applied in practice. Used active elements for practical part can be found in the second chapter. Design of GIC circuits and implementation of fractional-order element inside the circuit are shown in the last chapture. Parasitic analysis and stability of frequency filter containing fractional-order element had been also described.

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Gomes, Jancarlo Ferreira 1960. „Processamento de amostras fecais e desenvolvimento da tecnica de analises de imagens por computador, para o diagnostico das enteroparasitoses“. [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/317787.

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Orientador: Alexandre Xavier Falcão
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia
Made available in DSpace on 2018-08-11T18:50:47Z (GMT). No. of bitstreams: 1 Gomes_JancarloFerreira_D.pdf: 2024129 bytes, checksum: eeb77aec9d0bc9546a0141b794a17319 (MD5) Previous issue date: 2008
Resumo: No presente trabalho, averiguamos sobre processamentos de amostra fecal, desenvolvimento e avaliação de um sistema de computador para análise de imagem parasitária. Observamos que a etapa de processamento de fezes consistiu a etapa crítica, mas, essencial para o fornecimento de estruturas parasitárias limpas, com reduzida quantidade de microimpurezas fecais, ao sistema de análise por computador. Algumas técnicas parasitológicas convencionais, utilizando ou não kits comerciais, foram estudadas, e a de TF-Test (Three Fecal Test) apresentou menor teor de microimpurezas no final de processamento fecal. Todavia, este teor de microimpurezas era ainda muito grande, sendo ainda inadequado para análise computacional. Modificações foram introduzidas à técnica de TF-Test, com coloração dos componentes do sedimento fecal, utilizando um corante desenvolvido à base de Lugol, e seguido por degradação alcalina de microimpurezas, com uma solução clarificadora, previamente padronizada. Assim, a técnica de TF-Test Modificada contribuiu para o fornecimento de parasitos com poucas microimpurezas. O desenho do protótipo do sistema computacional para a análise de imagens incorporou: a técnica de TFTest Modificada; um microscópio óptico adaptado a uma bomba sucção peristáltica para conduzir uma alíquota de suspensão fecal processada à uma lâmina ou câmara tubular, onde estruturas parasitárias ou não apareciam em imagem; uma câmera digital; um monitor de vídeo para regulagem e captura de imagens; e um computador. Um banco de imagens foi construído, após coletas de amostras fecais foram efetuadas previamente em 4 regiões diferentes (Campinas, Botucatu, Avaré e Piraju) do estado de São Paulo, onde as enteroparasitoses são prevalentes. Os procedimentos de biossegurança e controle de qualidade contribuíram para que a perda da amostra fecal fosse pequena, não ultrapassando de 8%. Foi obtido um total de 16 espécies parasitárias, constituídos de helmintos e protozoários, e estes proveram uma coleção de 1.126 imagens ao computador. Ademais, o banco de imagens foi formado por informações adquiridas de 5.626 componentes parasitários e não parasitários, assim como, de dados sobre suas características de forma, textura e cor. A análise computacional baseou-se em um sistema de pipeline de técnicas de processamento de imagens, incluindo o uso de uma técnica denominada de Image-Foresting Transform (IFT). O pipeline consistiu em técnicas de segmentação de imagens para separar estruturas parasitárias e impurezas do fundo das imagens; em técnicas de extração para codificar características da forma, da cor e da textura dos parasitos; e em técnicas de reconhecimento e delineamento de imagens, visando distinguir parasitos de microimpurezas, de acordo com suas características próprias. A técnica de análise de imagens por computador (CIA) foi avaliada em comparação com a técnica de TF-Test Modificada de microscopia óptica, demonstrando alta sensibilidade de 95,3%, especificidade de 96,4%, e eficiência de 96,2 %. O conceito de concordância observada entre as duas técnicas estudadas foi de Quase Perfeito, em virtude do índice kapa (k) ter sido elevado, de 0,88. Esta técnica demonstrou ser altamente reprodutível, quando se ensaiaram em 10 diferentes ocasiões. Os achados deste trabalho apresentam perspectivas para industrialização do protótipo aqui desenvolvido, causando impacto na área de Saúde Pública, pois, no exame de fezes para população, há uma forte demanda de um sistema de automatização para detecção de enteroparasitos
Abstract: In the present study, we investigated on fecal sample processings, development and evaluation of a computer system for parasite image analysis. We observed that the fecal processing step was critical, but, essential for providing clean parasite structures, with reduced amount of fecal microdebris, to the system of computer analysis. Several conventional parasitologic techniques, using or not commercial kit, were studied, and TF-Test (Three Fecal Test) showed lower rate of microdebris at the end of fecal processing. However, this microdebris rate was still great, being unsuitable for computer analysis. The TF-Test technique was modified by staining the fecal sediment components, with a Lugol-based stain, followed by an alkaline degradation of fecal microdebris, using a clarifyer solution. So, the modified TF-Test technique became capable to supply parasite structure with little fecal microdebris. The prototype design of the computer system for the image analysis incorporated: the modified TF-Test technique; a optical microscope coupled to a peristaltic suction pump for leading an aliquot of processed fecal suspension to the tubular slide or chamber, where the parasite structures or microdebris appeared in tridimensional images; a digital camera; a video monitor to calibrate and capture images; and a computer. An image database was formed, after collecting fecal samples from prevalent regions (Campinas, Botucatu, Avaré and Piraju) of the State of São Paulo for enteroparasitosis. The total fecal sample loss was low, being less than 8%, since biosecurity and laboratory quality control protocols were frequently checked. A total of 16 parasite species were identified, consisting of helminths and protozoans, which provided a collection of 1.126 parasite images to the computer. Moreover, the image database was formed by information acquired from 5.626 parasite and nonparasite components, in addition to data on their shape characteristics, texture and color. The computational analysis was based on a pipeline of image processing techniques, including the use of a technique known as Image-Foresting Transform (IFT). The pipeline consisted of: a technique for image segmentation, in order to separate parasites and microdebris from background image; a technique for feature extraction to encode shape, color and texture characteristics of parasites; and techniques for pattern recognition and delineation, permitting to distinguish parasites from microdebris, according to their own features. The technique of computer image analysis (CIA) was evaluated in comparison with the optical microscope technique, named modified TF-Test, demonstrating a high sensitivity of 95,3%, specificity of 96,4% and efficiency of 96.2%. The agreement between two techniques was ranked as Almost Perfect, since the kappa (k) index has been high as much as 0.88. This technique proved to be reproducible, in a study, in which the assay was repeated 10 times, in different occasions. Our findings present good perspectives for the industrial production of the here developed prototype, causing impact on the Public Health area, since, in the fecal examination of the population, there is a strong demand for an automated system of enteroparasite detections
Doutorado
Doutor em Parasitologia

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Coustau, Christine. „Analyse génétique et physiologique des interactions hôte-parasite : le système Prosorhynchus squamatus-Mytilus“. Montpellier 2, 1991. http://www.theses.fr/1991MON20029.

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Plusieurs niveaux d'interaction entre le trematode p. Squamatus et son premier hote intermediaire mytilus (mollusque, bivalve) sont analyses. L'hybridation entre m. Edulis et m. Galloprovincialis est caracterisee lors de l'etude de la structure genetique de populations naturelles de moules des cotes atlantiques francaises. Les individus du complexe m. Edulis/galloprovincialis presentent une susceptibilite differentielle a l'infestation par p. Squamatus, liee a leurs composants genomiques. Ce trematode induit une castration totale du mollusque par des voies biochimiques. Des experimentations in vitro montrent qu'il provoque d'une part, un blocage des mitoses goniales, et d'autre part une stimulation de la mobilisation des substances de reserve

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Cortesero, Anne-Marie. „La Recherche de l'hote chez eupelmus vuilleti (CRW) : analyse des relations tritrophiques entre la plante (Vigna unguiculata walp), l'hote (Bruchidius atrolineatus pic) et le parasitoïde“. Tours, 1994. http://www.theses.fr/1994TOUR4008.

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Au cours de ce travail, nous avons analysé, au moyen de techniques olfactométriques, l'influence de divers stimuli olfactifs issus de la plante, vigna unguiculata et de l'hote, Bruchidius atrolineatus sur le comportement de recherche de l'hote par les femelles du parasitoide eupelmus vuilleti. Seules les odeurs émanant de graines et de gousses sèches de V. Unguiculata influencent le comportement locomoteur du paraitoïde. Les odeurs de plantes au stade végétatif ou celles de gousses vertes n'ont aucun effet. Les odeurs de larves, de nymphes et de fèces larvaires de B. Atrolineatus exercent un net effet attractif sur les femelles mais ne stimulent pas leur activité locomotrice. L'odeur de femelles de B. Atrolineatus n'influence que l'activité locomotrice du parasitoïde. L'analyse de la réponse du parasitoïde aux odeurs de plusieurs espèces de plantes et d'hotes montre que les femelles présentent une sensibilité spécifique et ne réagissent qu'aux odeurs émanant du complexe végétal/hote dont elles sont issues. Cette sensibilité spécifique résulte d'un processus d'apprentissage qui intervient juste après la mue imaginale lorsque la femelle se trouve encore à l'intérieur de la graine. Il existe également, chez E. Vuilleti, un apprentissage plus tardif, qui a lieu au moment de la ponte. Une expérience de ponte sur un complexe végétal/hote donné permet aux femelles d'apprendre les odeurs de ce complexe et ce, même s'il diffère de celui dont elles sont issues. Les mécanismes qui président à la rencontre avec l'hote une fois que la femelle parasitoïde adulte se trouve à proximité du microhabitat de l'hote ont également été analysés au cours de ce travail. La significaiton adaptative de ces résultats et leur intérêts en fonction des conditions rencontrées par les parasitoïdees dans les greniers et dans les cultures sont analysées.

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Raine, John Dale. „Proteomic analysis of the malarial parasite“. Thesis, Imperial College London, 2005. http://hdl.handle.net/10044/1/11358.

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Brooker, Adam Jonathan. „Aspects of the biology and behaviour of Lernaeocera branchialis (Linnaeus, 1767) (Copepoda: Pennellidae)“. Thesis, University of Stirling, 2007. http://hdl.handle.net/1893/343.

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Lernaeocera branchialis (L., 1767) is a parasitic copepod that parasitises a range of gadoids by anchoring in the proximity of the branchial chamber of its host, deriving nutrition from the blood of its host and causing serious pathogenic effects. This study investigates the taxonomy of the juvenile free-swimming stages and host location behaviour in the pre-metamorphosed adult female. The large size and distinctive appearance of the metamorphosed adult female stage, coupled with the wide exploitation and commercial importance of one of its principle final gadoid hosts, the cod (Gadus morhua L.), means that this species has long been recognised in the scientific literature, and here the extensive literature concerning this potentially important and damaging pathogen is re-examined to provide an up to date overview, which includes both aquaculture and wild fisheries perspectives. Due to disagreements between several descriptions of the L. branchialis juvenile stages, and because the majority of the descriptions are over 60 years old, the juvenile free-swimming stages are re-described, using current terminology and a combination of both light and confocal microscopy. The time of hatching and moults in these stages is also examined. Techniques for the automated creation of taxonomic drawings from confocal images using computer software are investigated and the possibilities and implications of this technique are discussed. The method of host location in L. branchialis is unknown but is likely to involve a variety of mechanisms, possibly including chemo-reception, mechano-reception and the use of physical phenomena in the water column, such as haloclines and thermoclines, to search for fish hosts. In this study the role of host-associated chemical cues in host location by adult female L. branchialis is investigated by analysing the parasites behavioural responses to a range of host-derived cues, in both a choice chamber and a 3D tracking arena. To analyse the data from the experiments, specialised computer software (“Paratrack”) was developed to digitise the paths of the parasites’ movements, and calculate a variety of behavioural parameters, allowing behaviour patterns to be identified and compared. The results show that L. branchialis responds to host-associated chemical cues in a similar way to many copepods in the presence of chemical cues. Of the different cues tested, gadoid conditioned water appears to be most attractive to the parasites, although the wide variation in behavioural responses may indicate that other mechanisms are also required for host location. The different behavioural responses of parasites to whiting (Merlangius merlangus L.) and cod (Gadus morhua) conditioned water, which are both definitive hosts, provide some evidence for sub-speciation in L. branchialis. The role of chemical cues in host location of L. branchialis, and the relative importance of chemical and physical cues in host location are discussed. As well as demonstrating several techniques, which show potential for further development, this work has improved our knowledge of the biology and life-cycle of L. branchialis. Further study of this, and other areas of L. branchialis biology and its host-parasite interactions, should assist the development of contingency plans for the effective management and control of this widespread and potentially devastating pathogen.

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Anderson, Barry Clayton. „The Response of Mice to Infection by the Parasitic Nematode Trichinella: A Comparison of Trichinella Spiralis and Trichinella Pseudospiralis“. PDXScholar, 2002. https://pdxscholar.library.pdx.edu/open_access_etds/1658.

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The intracellular parasite Trichinella is a genus in phylum Nematoda that contains six named species including Trichinella spiralis and Trichinella pseudospiralis. These parasites infect a large variety of wild and domestic animals, human beings and a few species of birds. The parasitic strategies and the pathological effects on the host between trichinella spiralis and Trichinella pseudospiralis are quite different. The purpose of this study is to gain an understanding of the physiological, immunological and pathological differences between these two species of Trichinella using infections in the mouse as a model. In the course of this research I have attempted to answer the following questions: A) Is cortisol a factor in the differences of the host response to Trichinella spiralis or Trichinella pseudospiralis? B) Are there differences in leukocyte response in the peripheral blood of Trichinella infected mice? C) Are there differences in the up-regulation or down-regulation of cell surface molecules on leukocytes in the spleens of Trichinella infected mice? D) Is there a difference in the degree of muscle damage (as measured by creatine phosphokinase) when infections by the two species of Trichinella are compared? E) Are there differences in angiogenesis and collagen deposition in Trichinella infected mice and are these differences related to cortisol? F) Is nitric oxide a component in parasite killing and are there differences in nitric oxide production in host mice when the two species of Trichinella are compared? My research has shown that there are significant differences in the parasitic strategies and pathological consequences in mice infected with one or the other of the two species of Trichinella. The two species appear to generate different immune and inflammatory responses from the host. Trichinella pseudospiralis is much less damaging to the host, generates a very different peripheral blood response, stimulates the production of substantially greater levels of serum cortisol, generates a significantly different profile in cytokine production presents a very different cell surface antigen profile and does not produce a collagen nurse cell or generate an angiogenic response when compared to T spiralis. In addition, I have shown a role for nitric oxide in parasite killing and a role for serum cortisol in larval survival. I have also shown that cortisol has no role in either collagen deposition or the angiogenic response in Balb/c mice under the experimental conditions detailed here.

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Bücher zum Thema "Parasit analyst"

Müller, Sylke, Rachel Cerdan und Ovidiu Radulescu, Hrsg. Comprehensive Analysis of Parasite Biology: From Metabolism to Drug Discovery. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527694082.

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Turcotte, Jeanne. Entre l'ondine et la vestale: Analyse des Hauts cris de Suzanne Paradis. Québec, Canada: Centre de recherche en littérature québécoise, Université Laval, 1988.

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Mathis, Gilles. Analyse stylistique du Paradis perdu de John Milton: L'univers poétique, échos et correspondances. Aix-en-Provence: Université de Provence, 1987.

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Mackie, Andrew James. Molecular analysis of the host-parasite interface in powdery mildew of pea using monoclonal antibodies. Birmingham: University of Birmingham, 1990.

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Holmdahl, Joakim. Identification and phylogenic relationships of some cystforming coccidia of cattle and sheep, based on ribosomal RNA analysis. Uppsala: Sveriges Lantbruksuniversitet, 1995.

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Schlenkrich, Kay. O konomie sensibler Gu ter: Analyse gesellschaftlich exponierter Gu ter und Dienstleistungen. Wiesbaden: Dt. Univ.-Verl., 2005.

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Schmidt, Fred H. Instar discrimination of field-collected larvae through analysis of frequency distribution curves of head capsule widths using the program PeakFit. Portland, Or: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996.

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Japan-U.S. Science Seminar on Plant-Pathogen Interactions (9th 2003 Shizuoka-shi, Japan). Genomic and genetic analysis of plant parasitism and defense. St. Paul, Minn: APS Press, 2005.

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Rouault, Jacques. Analyse écologique et expérimentale de la compétition entre Drosophila melanogaster et Drosophila simulans: Interaction avec le parasite Leptopilina boulardi : développement et application de techniques statistiques propres au traitement de très petits échantillons. Orsay, France: J. Rouault, 1990.

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Cavaciocchi, Simonetta, Hrsg. Le interazioni fra economia e ambiente biologico nell'Europa preindustriale secc. XIII-XVIII. Economic and biological interactions in pre-industrial Europe from the 13th to the 18th centuries. Florence: Firenze University Press, 2010. http://dx.doi.org/10.36253/978-88-8453-596-2.

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Pests, parasites and pathogenic agents have exerted a notable influence on the process of economic development of pre-industrial Europe, in view of their influence on the health, longevity and reproduction of human beings, plants and animals. On each occasion man has reacted to biological uncertainty with responses that were public or private, formal or informal and differed in both efficacy and cost. Success has always been partial, and dependent on experience, knowledge and the investment of economic resources. These reciprocal influences have never been allocated an appropriate or convincing place in the institutional model or those of Smith, Malthus, Ricardo or Marx, typically exploited to describe and explain the flux and reflux of the economic development of pre-industrial Europe. In these proceedings of Study Week promoted by the Fondazione Datini, the leading experts in the sector have undertaken to analyse, exemplify and discuss the precise nature of the complex interactions between economic and biological processes and agents. Adopying a stimulating, innovative and interdisciplinary approach, they appraise the degree to which such processes acted in reciprocal independence, whether there was a significant co-evolution and what prospects there are for developing explanatory models that better grasp the essentially bilateral nature of such interactions.

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Buchteile zum Thema "Parasit analyst"

Schneider, Wolfgang Ludwig. „Religio-politischer Terrorismus als Parasit“. In Analysen des transnationalen Terrorismus, 125–65. Wiesbaden: VS Verlag für Sozialwissenschaften, 2007. http://dx.doi.org/10.1007/978-3-531-90556-3_6.

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Tyson, Helen. „‘Little Mussolini’ and the ‘parasite poets’“. In Wild Analysis, 85–104. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003200765-7.

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Rogan, Michael T. „Immunological Analysis of Parasite Molecules“. In Analytical Parasitology, 320–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60345-7_10.

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Wastling, Jonathan M., und Nadine P. Randle. „From Genome to Proteome: Transcriptional and Proteomic Analysis of Cryptosporidium Parasites“. In Cryptosporidium: parasite and disease, 345–59. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1562-6_7.

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Holden-Dye, Lindy, und Robert J. Walker. „How Relevant is Caenorhabditis elegans as a Model for the Analysis of Parasitic Nematode Biology?“ In Parasitic Helminths, 23–41. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527652969.ch2.

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Talevich, Eric, Natarajan Kannan und Diego Miranda-Saavedra. „Computational Analysis of Apicomplexan Kinomes“. In Protein Phosphorylation in Parasites, 1–36. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527675401.ch01.

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Blackwell, Jenefer M., James W. Ajioka und Sara E. Melville. „Establishing a Laboratory for Parasite Genome Analysis: Focus on the Parasitic Protozoa Toxoplasma, Trypanosoma and Leishmania“. In Toxoplasmosis, 246–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78559-7_26.

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Orjuela-Sánchez, Pamela, Michelle C. Brandi und Marcelo U. Ferreira. „Microsatellite Analysis of Malaria Parasites“. In Methods in Molecular Biology, 247–58. Totowa, NJ: Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-389-3_17.

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Fenton, Brian, und David Walliker. „Genetic Analysis of Malaria Parasites“. In Subcellular Biochemistry, 307–31. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4899-1651-8_9.

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Simberloff, Daniel. „Free-living communities and alimentary tract helminths: hypotheses and pattern analyses“. In Parasite Communities: Patterns and Processes, 289–319. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0837-6_11.

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Konferenzberichte zum Thema "Parasit analyst"

Kadhim, Raad A., Abeer F. Al-Rubaye und Mahdi T. S. AL-Hadad. „Etiology of Parkinson's disease: Toxoplasma parasite as a model“. In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0027539.

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Laki, Andras J., Gabor Zs Nagy, Kristof Ivan, Peter Furjes, Olga Jacso, Eva Fok und Pierluigi Civera. „Integrated microcapillary system for microfluidic parasite analysis“. In 2013 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2013. http://dx.doi.org/10.1109/biocas.2013.6679653.

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Zhao Xiaoming. „The application of balloon snake model in the extraction of parasite image contour“. In 2009 International Conference on Image Analysis and Signal Processing. IEEE, 2009. http://dx.doi.org/10.1109/iasp.2009.5054668.

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van de Sande, Werner W. P. J., und Just L. Herder. „Analysis of Parasitic Motion in Compliant Mechanisms Using Eigenwrenches and Eigentwists“. In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-86262.

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Parasitic motion is undesired in precision mechanisms, it causes unwanted kinematics. These erroneous motions are especially apparent in compliant mechanisms. Usually an analysis of parasitic motion is only valid for one type of mechanism. Kinematic information is imbedded in the compliance matrix of any mechanism; an eigenscrew decomposition expresses this kinematic information as screws. It uses screw theory to identify the lines along which a force yields a parallel translation and a rotation yields a parallel moment. These lines are called eigenwrenches and eigentwists. Any other load on the compliant mechanism will lead to parasitic motion. This article introduces two parasitic motion metrics using eigenscrew decomposition: the parasitic resultant from an applied screw and the deviation of an actual degree of freedom from a desired degree of freedom. These metrics are applicable to all compliant mechanism and allow comparison between two compliant mechanisms. These metrics are applied to some common compliant mechanisms as an example.

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Al-Saqur, Ihsan Mahdi, Harith Saeed Al-Warid, Amjed Qays Al-Qaisi und Hussin Salman Al-Bahadely. „Prevalence of gastrointestinal parasites in Iraq during 2015“. In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0027394.

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Yu, Tengwei, Xudong Wang, Ruixue Ni und Jinfeng Liu. „Parasitic Resonance Effects Analysis on EMSM“. In 2010 Asia-Pacific Power and Energy Engineering Conference. IEEE, 2010. http://dx.doi.org/10.1109/appeec.2010.5449416.

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Haliloglu, Omer, und Mehmet Safak. „Performance analysis of correlated parasitic MIMO“. In 2011 IEEE 19th Signal Processing and Communications Applications Conference (SIU). IEEE, 2011. http://dx.doi.org/10.1109/siu.2011.5929831.

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Zhang, Zhong, Noriho Saiki, Hiroshi Toda, Takashi Imamura und Tetsuo Miyake. „Parasitic descrease wavelet transform and its application on denoising“. In 2010 International Conference on Wavelet Analysis and Pattern Recognition (ICWAPR). IEEE, 2010. http://dx.doi.org/10.1109/icwapr.2010.5576386.

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Danielak, W., W. Machado, M. Jaffer, S. Waldstein, A. Jordan, M. Sachdev und D. Li. „Latch-Up Root Cause Analysis for New ASIC Design“. In ISTFA 2007. ASM International, 2007. http://dx.doi.org/10.31399/asm.cp.istfa2007p0337.

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Abstract The analyzed new Application Specific Integrated Circuit (ASIC) design failed latch-up test on two input pins during current stress. In order to determine the root cause, the Failure Analysis (FA) with use of backside Emission Microscopy (EMMI) was performed. The EMMI results were followed by detailed layout and circuit analysis. It was found that the root cause of the latch-up is an abutment of two specific cells (called “cell C” and “cell D”), where the N-well was grounded creating a parasitic NPN transistor sustaining the latch-up. A detailed calculation of parasitic interconnection resistances from the layout revealed some differences between latching and non-latching pins. The analytical model to explain the latch-up behavior based on parasitic resistances was applied successfully to root cause analysis. Summarizing, the latch–up behavior can be explained by the abutment of cells C and D, parasitic interconnect resistances and cell location with respect to the substrate bumps. In conclusions the following recommendations were made: 1. Remove the n-well in cell D; 2. Connect specific cells (B and D) to higher supply voltage; 3. Implement p+ guard rings for cells C and D; 4. Optimize placement of ground bumps; 5. Eliminate abutment of cell C and D.

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Liu, Chang. „Analysis of Social Class Inequality Based on the Movie Parasite“. In proceedings of the 2nd International Conference on Literature, Art and Human Development (ICLAHD 2020). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/assehr.k.201215.398.

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Berichte der Organisationen zum Thema "Parasit analyst"

Gelles, Rebecca, Zachary Arnold, Ngor Luong und Jennifer Melot. PARAT – Tracking the Activity of AI Companies. Center for Security and Emerging Technology, Juni 2021. http://dx.doi.org/10.51593/20200100.

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CSET’s Private-sector AI-Related Activity Tracker (PARAT) collects data related to companies’ AI research and development to inform analysis of the global AI sector. The global AI market is already expanding rapidly and is likely to continue growing in the coming years. Identifying “AI companies” helps illustrate the size and health of the AI industry in which they participate as well as the most sought-after skills and experience in the AI workforce.

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