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Nitrite reductase in Neurospora crassa: A genetic and biochemical study.Dyer, June Carol 08 1900 (has links)
<p> Nitrite is an intermediate in the pathway of nitrate assimilation. Several questions about reduction beyond the level of nitrite remain to be answered. </p> <p> The purpose of this investigation was to induce mutants deficient in nitrite reduction and to characterize these mutants phenotypically and genetically in an attempt to answer the following questions: </p> <p> (a) How many enzymes are required in vivo for nitrite reduction? </p> <p> (b) How many genes control nitrite reduction? </p> <p> (c) Is nitrite reductase localized within a particle? </p> <p> The results of this investigation showed that nitrite reductase is controlled by at least three genes and three cistrons on two linkage groups. None of the 'nitrite-mutants' were allelic with nitrate reductase mutants. There appeared to be more than one type of nitrite reductase activity in extracts of repressed wild type mycelia. Only one of these nitrite reductase species seemed to be necessary for the reduction of nitrite in vivo. </p> / Thesis / Master of Science (MSc)
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The Location and Effects of Factors Controlling Recombination in Linkage Group I of NeurosporaHargrave, Jenny Barbara 12 1900 (has links)
<p> It was known, prior to this study, that there is a factor, or factors, in the centromere-proximal region of Neurospora sitophila which affect recombination near the centromere whether it is in Neurospora sitophila or transferred to Neurospora crassa. A location of this factor, or factors, was performed using tetrad and prototroph analysis. Further mapping of linkage group I of Neurospora crassa was undertaken when the Neurospora sitophila centromere-proximal region was present.</p> / Thesis / Master of Science (MSc)
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Genetic Analysis of Some Unusual Asci From a Cross in Neurospora CrassaRadford, Alan 09 1900 (has links)
<p> The investigation was carried out in order to determine the nature of some aberrant asci obtained, at a high frequency, from a single cross in Neurospora crassa. The subsequent investigations shed light on an aspect of pyridoxine metabolism and the nature of its genetic control, as well as showing the existence of dicentric chromosome and its great instability when present in the disomic condition. </p> / Thesis / Master of Science (MSc)
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A Genetic Analysis of the Pyridoxine Auxotrophs of Neurospora crassaRadford, Alan 08 1900 (has links)
<p> Evidence of gene conversion and inter=allelic complementation
from earlier work on the pdx-1 locus of Neurospora crassa suggested
that a more detailed analysis of this locus should lead to a better
understanding of these genetic phenomenao The work described in this
thesis is concerned with the derivation of complementation maps for
seven alleles of the pdx-1 locus, and with a study of recombination
between these alleles through the isolation of prototrophs from suitably marked inter-allelic crosses together with the isolation of asci
including those exhibiting the phenomenon of gene conversione In
additioni the relationships betwean the pdx-1 alleles and a gene,
en-pdx-1, affecting the excretion of a pigment into the medium on
which the pdx-1 strains were grown were studied. The effect of
desoxypyridoxine hydrochloride 9 and the extent to which the pdx-1
mutants respond to various normal forms of the vitamin, were also
studied. </p> / Thesis / Doctor of Philosophy (PhD)
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Complementation of the sor-4 Gene of Neurospora CrassaDurkin, Shannon M. January 2000 (has links)
No description available.
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Phase Response Optimization of the Circadian Clock in Neurospora crassaBellman, Jacob 02 June 2016 (has links)
No description available.
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Non-histone chromosomal proteins of Neurospora crassa and their role in the regulation of gene expression /Grove, Gregory William January 1980 (has links)
No description available.
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Molecular biological studies of the extracullular alkaline protease of Neurospora crassa /Abbott, Robert J. January 1983 (has links)
No description available.
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Genetic analysis of regulatory and structural genes of nitrogen metabolism in Neurospora crassa /Perrine, Kimberly Gayle January 1985 (has links)
No description available.
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Studies of transformation and the nitrogen gene regulation in Neurospora crassa /Fu, Ying-Hui January 1986 (has links)
No description available.
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