{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/68559"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/68559","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Characterization of Staphylococcus Aureus of Bovine Origin","abstract":"The incidence of mastitis caused by Staphylococcus aureus was of the same order as that reported by other investigators. However, the strains isolated were not all of the bovine biotype. The strains isolated from the mammary gland and nasal cavity, although mostly of bovine biotype, differed in their lytic spectra. It is speculated that these differences are due to basic differences between these two ecological niches (mammary gland and nasal cavity).","abstract_html":"The incidence of mastitis caused by Staphylococcus aureus was of the same order as that reported by other investigators. However, the strains isolated were not all of the bovine biotype. The strains isolated from the mammary gland and nasal cavity, although mostly of bovine biotype, differed in their lytic spectra. It is speculated that these differences are due to basic differences between these two ecological niches (mammary gland and nasal cavity).","abstract_has_math":false,"creators":["Mardamootoo, Pyneeandee"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Dairy Science","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-14T15:29:43Z","date_published":"2014-12-14T15:29:43Z","updated_at":"2026-07-22T22:25:59Z","subjects":["Agriculture, Animal Pathology"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8108596"],"render_values":[{"text":"(UMI)AAI8108596","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/68559","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Mardamootoo, Pyneeandee"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-14T15:29:43Z","10000-01-01","1980"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Dairy Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Agriculture, Animal Pathology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/68559","(UMI)AAI8108596"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The incidence of mastitis caused by Staphylococcus aureus was of the same order as that reported by other investigators. However, the strains isolated were not all of the bovine biotype. The strains isolated from the mammary gland and nasal cavity, although mostly of bovine biotype, differed in their lytic spectra. It is speculated that these differences are due to basic differences between these two ecological niches (mammary gland and nasal cavity).","Investigations into the nature of the nontypeable strains showed that neither encapsulation nor protein A could have been the reasons for untypeability. It is speculated that these strains were in a state of lysogenic immunity. Further work is needed to determine whether lysogeny was in fact the reason for untypeability.","The methods described for typing the untypeable strains are unlikely to gain general acceptance because of the additional labor involved and the high phage titer required. However, if the percentage of untypeable strains were to increase, these methods might prove useful.","Thermal stressing of the untypeable strains at various temperatures for various time intervals had a profound effect on the production of delta hemolysin by the strains studied. There was a negative correlation between endogenous delta hemolysin and plaque forming units.","Addition of purified (delta)-hemolysin to the typing medium produced a decrease in plaque forming units in both stressed and unstressed Staphylococcus aureus strains investigated. It is speculated that (delta)-hemolysin, in view of its detergent-like property, was inactivating the phage used.","Made available in DSpace on 2014-12-14T15:29:43Z (GMT). No. of bitstreams: 1 8108596.pdf: 4714744 bytes, checksum: ba8f8ece270c13b03d427243b4a55f10 (MD5) Previous issue date: 1980","Embargo set by: Seth Robbins for item 68737 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","160 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1980."]},{"key":"dc:title","label":"Title","values":["Characterization of Staphylococcus Aureus of Bovine Origin"]}]}],"canonical_facts":{"dc:creator":["Mardamootoo, Pyneeandee"],"dc:date":["2014-12-14T15:29:43Z","10000-01-01","1980"],"dc:description":["The incidence of mastitis caused by Staphylococcus aureus was of the same order as that reported by other investigators. However, the strains isolated were not all of the bovine biotype. The strains isolated from the mammary gland and nasal cavity, although mostly of bovine biotype, differed in their lytic spectra. It is speculated that these differences are due to basic differences between these two ecological niches (mammary gland and nasal cavity).","Investigations into the nature of the nontypeable strains showed that neither encapsulation nor protein A could have been the reasons for untypeability. It is speculated that these strains were in a state of lysogenic immunity. Further work is needed to determine whether lysogeny was in fact the reason for untypeability.","The methods described for typing the untypeable strains are unlikely to gain general acceptance because of the additional labor involved and the high phage titer required. However, if the percentage of untypeable strains were to increase, these methods might prove useful.","Thermal stressing of the untypeable strains at various temperatures for various time intervals had a profound effect on the production of delta hemolysin by the strains studied. There was a negative correlation between endogenous delta hemolysin and plaque forming units.","Addition of purified (delta)-hemolysin to the typing medium produced a decrease in plaque forming units in both stressed and unstressed Staphylococcus aureus strains investigated. It is speculated that (delta)-hemolysin, in view of its detergent-like property, was inactivating the phage used.","Made available in DSpace on 2014-12-14T15:29:43Z (GMT). No. of bitstreams: 1 8108596.pdf: 4714744 bytes, checksum: ba8f8ece270c13b03d427243b4a55f10 (MD5) Previous issue date: 1980","Embargo set by: Seth Robbins for item 68737 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","160 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1980."],"dc:identifier":["http://hdl.handle.net/2142/68559","(UMI)AAI8108596"],"dc:language":["eng"],"dc:subject":["Agriculture, Animal Pathology"],"dc:title":["Characterization of Staphylococcus Aureus of Bovine Origin"],"dc:type":["text"],"thesis:degree_discipline":["Dairy Science"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:59Z"}