Incomplete forms of influenza virus

dc.contributor.authorGraham, Doris Maryen_AU
dc.date.accessioned2013-01-22T05:26:29Z
dc.date.available2013-01-22T05:26:29Z
dc.date.issued1955
dc.description.abstractViruses occupy a unique position in the hierarchy of physical objects as they can be regarded as the most highly organized chemical structures which do not metabolize, or alternatively as the lowest forms of life that reproduce themselves at the expense of higher organisms. They “live a borrowed life” as Laidlaw put it, and for this precise reason their study is likely to give a better and more direct insight into the fundamental secrets of life than studies at the biochemical, or strictly speaking, microbiological level. All viruses share these advantages as objects of research, but some are preferred to others for further, mainly technical, reasons. Among the animal viruses influenza is perhaps the most natural choice; it has some drawbacks such as its instability, both physical and biological, but possesses the compensating attraction of being the easiest to assay by several independent and accurate methods. In this respect the virus of epidemic influenza compares more than favourably with any known virus, be it plant, bacterial or animal, and for this reason has been the favoured subject of quantitative virological studies over the last decade. Dicted the reigning hypothesis and a new interpretation was put forward to replace it. The present work was undertaken originally with the intention of examining this new hypothesis by testing some of its more obvious implications. Very early in the course of our experiments such results were obtained which rendered even this second hypothesis untenable. Thus, instead of continuing the investigation of the von Magnus phenomenon along predetermined lines and by classical techniques, we were soon forced to embark on an extensive set of exploratory experiments, to construct step by step a working hypothesis consistent with newly gained information and to design new ways of testing and checking the new and often unexpected assumptions that had to be made. As a result, the study has gone beyond the theme originally set for this thesis, and while two fundamentally new findings, namely, the graded production of incomplete virus and the chemical induction of the phenomenon have been fully established, several interesting lines of research opened by these discoveries have been covered by exploratory experiments only, and their comprehensive investigation must be left for the future.en_AU
dc.identifier.otherb10175416
dc.identifier.urihttp://hdl.handle.net/1885/9602
dc.language.isoen_AUen_AU
dc.subjectinfluenza_microbiologyen_AU
dc.titleIncomplete forms of influenza virusen_AU
dc.typeThesis (PhD)en_AU
dcterms.valid1955en_AU
local.contributor.affiliationAustralian National Universityen_AU
local.description.notesThis thesis has been made available through exception 200AB to the Copyright Acten_AU
local.description.refereedYesen_AU
local.identifier.doi10.25911/5d78da40bf277
local.identifier.proquestYes
local.mintdoimint
local.type.degreeDoctor of Philosophy (PhD)en_AU

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