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Dissertations / Theses on the topic 'Amphibians Australia Molecular aspects'

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1

Dhanasekaran, Vijaykrishna. "Freshwater fungi biodiversity, origins and molecular taxonomy /." Thesis, Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B32017583.

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2

Egito, Gabriel Toselli Barbosa Tabosa do. "Variabilidade genetica e relações interpopulacionais de Dendropsophus minutus do Brasil." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/317959.

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Orientador: Shirlei Maira Recco Pimentel<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-14T11:03:41Z (GMT). No. of bitstreams: 1 Egito_GabrielToselliBarbosaTabosado_M.pdf: 537508 bytes, checksum: e9fd34e6de85068aa05990a955acff88 (MD5) Previous issue date: 2009<br>Resumo: Dendropsophus minutus está amplamente distribuído ao Leste dos Andes, na América do Sul e possui uma grande diversidade acústica e morfológica, o que sugere que possa haver mais de uma espécie sob esse nome. Sua coloração dorsal pode ser classificad
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3

Wabnitz, Paul Andrew. "Chemistry and medical implications of novel amphibian peptides : a thesis submitted for the degree of Doctor of Philosophy /." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phw112.pdf.

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4

Matthew, Jamie Scott. "Molecular diversity between anastomosis groups of Rhizoctonia solani : a thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy in the Department of Animal Sciences at the University of Adelaide." Title page, table of contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phm437.pdf.

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Journal article co-authored by the author inserted at end (Plant pathology (1991) 40, 67-77) Includes bibliographical references (leaves 124-167) Describes the isolation of antibody and DNA probes which vary in their reaction to different anastomosis groups of Rhizoctonia solani. Evidence is presented to show that isolates from anastomosis group 8 are biochemically distinct from isolates in other anastomosis groups found in South Australia.
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5

Earl, Colin R. "The regulation of the timing of melatonin secretion in the sheep." Title page, summary and table of contents only, 1989. http://web4.library.adelaide.edu.au/theses/09PH/09phe12.pdf.

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Includes bibliographical references (leaves 166-195) Addresses the nature of the central mechanisms involved in the regulation of the circadian pattern of secretion of the pineal hormone melatonin in the highly seasonal Suffolk breed of sheep. Provides new information on the behaviour of the onset and offset of melatonin secretion under different photoperiodic conditions.
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6

Apponyi, Margit Anneliese. "Amphibian skin peptides which inhibit nNOS : structure and binding studies using heteronuclear NMR." 2006. http://hdl.handle.net/2440/37795.

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Using 2 - D NMR spectroscopy, the structure of the sex pheromone from Litoria splendida has been determined, in order to elucidate its mode of transport through the aquatic environment. The peptide was found form an α - helical structure, with a central flexible hinge region. The mode of transport through the aquatic environment has been discussed in relation to the structure. Previous work indicated that the Australian amphibian host defence skin peptides that inhibit neuronal nitric oxide synthase ( nNOS ) were likely to act indirectly on the enzyme, by binding to the co - enzyme of nNOS, ca
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7

Apponyi, Margit Anneliese. "Amphibian skin peptides which inhibit nNOS : structure and binding studies using heteronuclear NMR." Thesis, 2006. http://hdl.handle.net/2440/37795.

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Using 2 - D NMR spectroscopy, the structure of the sex pheromone from Litoria splendida has been determined, in order to elucidate its mode of transport through the aquatic environment. The peptide was found form an α - helical structure, with a central flexible hinge region. The mode of transport through the aquatic environment has been discussed in relation to the structure. Previous work indicated that the Australian amphibian host defence skin peptides that inhibit neuronal nitric oxide synthase ( nNOS ) were likely to act indirectly on the enzyme, by binding to the co - enzyme of nNOS, ca
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8

Maselli, Vita Marie. "Amphibian neuropeptides : isolation, sequence determination and bioactivity." 2006. http://hdl.handle.net/2440/37864.

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The skin extracts from amphibians have been investigated for over fifty years and have been found to contain numerous components with therapeutic and medicinal uses. Host - defence compounds are secreted onto the dorsal surface of the animal from specialised granular glands in response to a variety of stimuli, such as stress induced by a predator. Isolated peptides can exhibit either pharmacological properties or antibiotic activity. Previous studies isolated a potent hypotensive neuropeptide, crinia angiotensin II, within skin secretions of the Australian frog Crinia georgiana. This prompted
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9

Stodart, Benjamin John. "Molecular characterisation of Rhizoctonia Solani Anastomosis group 2 / Benjamin John Stodart." 2002. http://hdl.handle.net/2440/21849.

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"May 2002"<br>Bibliography: leaves 160-171.<br>xi, 189 leaves : ill. (some col.), plates (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Applied and Molecular Ecology, 2002
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10

Matthew, Jamie Scott. "Molecular diversity between anastomosis groups of Rhizoctonia solani / by Jamie Scott Matthew." Thesis, 1992. http://hdl.handle.net/2440/21613.

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Journal article co-authored by the author inserted at end (Plant pathology (1991) 40, 67-77)<br>Includes bibliographical references (leaves 124-167)<br>xxv, 167 leaves : ill., plates ; 30 cm.<br>Describes the isolation of antibody and DNA probes which vary in their reaction to different anastomosis groups of Rhizoctonia solani. Evidence is presented to show that isolates from anastomosis group 8 are biochemically distinct from isolates in other anastomosis groups found in South Australia.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Animal Sciences, 1992
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11

Pukala, Tara Louise. "Structural and mechanistic studies of bioactive peptides." 2006. http://hdl.handle.net/2440/37851.

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Venoms, toxins and host-defence systems constitute rich sources of biologically active molecules, many of which have enormous therapeutic and biotechnological potential. In particular, peptides are often a significant component of these chemical arsenals, and are fundamentally important as biological effector molecules. The research presented in this thesis is centred on the isolation and investigation of peptides from both frogs and spiders, and endeavours to probe the important structural and mechanistic features of these bioactive compounds. The skin peptide profiles of interspecific hybrid
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12

Chapple, David G. "Evolutionary ecology and molecular phylogenetics of the Egernia whitii (Lacertilia : Scincidae) species group." Phd thesis, 2004. http://hdl.handle.net/1885/146237.

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13

Wabnitz, Paul Andrew. "Chemistry and medical implications of novel amphibian peptides : a thesis submitted for the degree of Doctor of Philosophy / by Paul Andrew Wabnitz." Thesis, 1999. http://hdl.handle.net/2440/19494.

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Copies of author's previously published articles inserted.<br>Includes bibliographical references.<br>xv, 210 leaves : ill. ; 30 cm.<br>A chemical and pharmacological investigation of compounds derived from amphibian skin. Isolates novel amphibian peptides and further investigates the biological activity of some of the peptides discovered.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Chemistry, 2000
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14

Thornhill, Andrew Heath. "Extant and fossil Myrtaceae pollen morphology and their significance to systematics, phylogenetics, evolution, and biogeography of the family." Phd thesis, 2011. http://hdl.handle.net/1885/149905.

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Fossils are needed to calibrate the molecular clock used for dating phylogenies. This has led to a re-examination of the identification and phylogenetic placement of fossils used for calibration. Until recently, fossil pollen has been neglected for calibration due to a belief that pollen lacks sufficiently useful characters. Consequently, taxonomy of extant pollen has also been neglected, and this applies particularly to the pollen of Myrtaceae, which was last fully revised in the 1950s. This study surveys pollen morphology across Myrtaceae, assessing the phylogenetic signal in pollen characte
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15

Hammer, Michael. "A molecular genetic appraisal of biodiversity and conservation units in freshwater fishes from southern Australia." 2008. http://hdl.handle.net/2440/50448.

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The freshwater fish fauna of southern Australia is characterised by low species richness and high endemism in groups displaying southern temperate, temperate-subtropical or temperate-tropical distributions. Comparatively few studies in Australia have incorporated modern molecular techniques to delineate species boundaries and define within-species conservation units. This is problematic because freshwater fishes are likely to show high levels of cryptic speciation and marked spatial sub-structure, and is information which is needed to conserve biological diversity and maintain the integrity of
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16

Earl, Colin R. "The regulation of the timing of melatonin secretion in the sheep." Thesis, 1989. http://hdl.handle.net/2440/19577.

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Includes bibliographical references (leaves 166-195)<br>xxi, 195 leaves : ill. ; 30 cm.<br>Addresses the nature of the central mechanisms involved in the regulation of the circadian pattern of secretion of the pineal hormone melatonin in the highly seasonal Suffolk breed of sheep. Provides new information on the behaviour of the onset and offset of melatonin secretion under different photoperiodic conditions.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Animal Sciences, 1989
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