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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

Comparative rate of development and viability of Ascaridia galli eggs cultured respectively in air and water

Oonyawongse, Ratana January 1951 (has links)
Typescript, etc.

Taksonomie van sekere terrestriële nematode van die ordes Tylenchida en Dorylaimida

Kleynhans, Kent Peter Noel 11 November 2015 (has links)
Ph.D. (Zoology) / Please refer to full text to view abstract

Comparative rate of development and viability of Ascaridia galli eggs cultured respectively in air and water

Oonyawongse, Ratana January 1951 (has links)
Typescript, etc.

Effectiveness of some new Nematocides and their phytotoxicity to plants

O'Bannon, J. H. January 1957 (has links)
No description available.

Taksonomiese studies van Suid-Afrikaanse nematode van die families Trichodoridae en Xiphinemidae

02 November 2015 (has links)
M.Sc. / Please refer to full text to view abstract

The distribution and abundance of nematodes (especially the plant parasites) in the arid region of South Australia /

Nobbs, J. M. January 1987 (has links) (PDF)
Thesis (Ph. D.)--University of Adelaide, Dept. of Plant Pathology, 1987. / Includes bibliographical references.

Characterization of Brugia pahangi b-tubulin genes and gene products

Guénette, Suzanne January 1991 (has links)
The $ beta$-tubulin gene family of the parasitic nematode, Brugia pahangi consists of three to five $ beta$-tubulin sequences. Two genomic clones containing $ beta$-tubulin sequences were isolated and characterized. The $ beta$1-tubulin gene spans 3.8 kb, is organized into 9 exons and expresses an mRNA of 1.7 kb which codes for a protein of 448 amino acids. A partial nucleotide sequence of the second clone confirmed the isolation of a distinct $ beta$-tubulin sequence, $ beta$2-tubulin. The $ beta$1-tubulin transcript is found in microfilariae and adult worms, whereas the $ beta$2-tubulin transcript is predominant in male adult worms but absent from microfilariae. Results of this study also indicate that the maturation of the $ beta$1-tubulin message involves the acquisition of the conserved nematode 22-nucleotide splice leader sequence. Antipeptide IgGs raised against the divergent carboxy-terminal region of $ beta$1-tubulin recognize the same $ beta$-tubulin isoform pattern as a phylum cross-reactive monoclonal antibody. This result suggests that the $ beta$1-tubulin is highly represented in B. pahangi adults and microfilariae.

Detection of nematode infestation in crop plants with the aid of a spectroradiometer

Greeff, Martha Susanna 20 November 2014 (has links)
D.Phil. (Nematology) / Please refer to full text to view abstract

Isolation and Characterization of Malic Enzyme from Ascaris suum

Fodge, Douglas W. 12 1900 (has links)
A procedure for the isolation of malic enzyme from muscle tissue of the roundworm Ascaris suum is described. The fractionation method yields relatively large quantities of the enzyme,with a specific activity of fifteen moles of malate converted to pyruvate and carbon dioxide per min per mg at 25º. Homogeneity was established with analytical ultracentrifugation, zone electrophoresis, isoelectric focusing, and rechromatography. The molecular weight of the enzyme was 250,000, and it is dissociated under several conditions into four identical monomers of 64,000 daltons. The enzyme exists as a single electrophoretic form and prefers manganous and NAD over other cations and NADP. Ammonium sulfate competes with manganous for the active site and titration with DTNB yields eight thiol groups per mole. Titration of the first four thiol groups is accompanied by a complete loss in enzyme activity. Equilibrium dialysis, product inhibition, and initial velocity studies suggest a rapid-equilibrium random sequential mechanism for the Ascaris suum malic enzyme. The presence of 1.3 binding sites per subunits was determined for L-ma late. Antisera prepared against A. suum malic enzyme reacted to a small extent with the NAD malic enzymes from two free-living nematodes, Panarellus redivivus and Turbatrix aceti. A correlation coefficient of 0.911 was obtained upon comparing the amino acid composition of A. suum and E. coli malic enzymes. Some sequence homology is predicted between these malic enzymes. The physiological interpretation favors the binding of malate initially, with the subsequent addition of NAD to the enzyme.

A study of certain environmental factors affecting the citrus nematode, Tylenchulus semipenetrans Cobb.

Dahlgren, Donald Arthur, 1931- January 1960 (has links)
No description available.

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