• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 47
  • 21
  • 10
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • Tagged with
  • 71
  • 71
  • 71
  • 21
  • 21
  • 18
  • 17
  • 17
  • 15
  • 15
  • 11
  • 11
  • 10
  • 9
  • 7
  • 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.
1

Drug resistance in mycobacterium tuberculosis /

Abate, Getahun, January 1900 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst. / Härtill 6 uppsatser.
2

An examination of the mechanisms of aminoglycoside resistance in mycobacteria. / CUHK electronic theses & dissertations collection

January 2001 (has links)
by Ho Iok Ieng Yolanda. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (p. 116-132). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
3

Antibiotic resistant bacteria in hospital and city sewage.

January 1987 (has links)
Yeung Heung-fun. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1987. / Includes bibliographical references.
4

A Taxonomic and epidemiological study on Mycobacteria.

January 1992 (has links)
by Yip Chi Wai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1992. / Includes bibliographical references (leaves 70-87). / ABSTRACT --- p.i / ACKNOWLEDGEMENT --- p.iv / TABLE OF CONTENTS --- p.v / LIST OF TABLES --- p.ix / LIST OF FIGURES --- p.xiii / INTRODUCTION --- p.1 / LITERATURE REVIEW --- p.3 / Chapter I. --- Mycobacterial Infections --- p.3 / Chapter A. --- Mycobacterium tuberculosis --- p.3 / Chapter B. --- Atypical mycobacteria --- p.3 / Chapter II. --- Identification of Mycobacteria --- p.5 / Chapter A. --- Conventional methods --- p.6 / Chapter 1. --- Mycobacterium tuberculosis --- p.6 / Chapter 2. --- Atypical mycobacteria --- p.7 / Chapter B. --- Rapid identification methods --- p.8 / Chapter 1. --- Identification by fatty acid analysis --- p.8 / Chapter 2. --- Identification by mycolic acid analysis --- p.9 / Chapter III. --- In vitro Susceptibility Testing of Mycobacteria --- p.11 / Chapter A. --- Mycobacterium tuberculosis --- p.11 / Chapter 1. --- Principle --- p.12 / Chapter 2. --- Methods of susceptibility testing --- p.13 / Chapter a. --- The absolute concentration method --- p.13 / Chapter b. --- The resistance ratio method --- p.15 / Chapter c. --- The 1% proportion method --- p.16 / Chapter d. --- Radiometric method --- p.18 / Chapter e. --- Other methods --- p.19 / Chapter B. --- Atypical mycobacteria --- p.20 / Chapter IV. --- Plasmid Analysis in Mycobacteria --- p.22 / Chapter A. --- Discovery of plasmids in mycobacteria --- p.22 / Chapter B. --- Methodologies in the studies of mycobacterial plasmids --- p.23 / Chapter C. --- Possible roles of plasmid in epidemiology of mycobacteria --- p.24 / MATERIALS AND METHODS --- p.26 / Chapter I. --- Bacterial Strains and Strain Maintenance --- p.26 / Chapter A. --- Strains collection --- p.26 / Chapter B. --- Strains maintenance --- p.26 / Chapter II. --- Culture Media and Culture Conditions --- p.26 / Chapter III. --- Identification of Mycobacteria --- p.26 / Chapter A. --- Conventional methods --- p.26 / Chapter B. --- Fatty acid profile analysis --- p.27 / Chapter 1. --- Bacterial isolates --- p.27 / Chapter 2. --- Standards and reagents --- p.27 / Chapter 3. --- Preparation of methyl ester for GC/GC-MS --- p.28 / Chapter 4. --- Instrumentation --- p.28 / Chapter a. --- Gas chromatography-mass spectrometry (GC-MS) --- p.28 / Chapter b. --- Gas liquid chromatography (GLC) --- p.28 / Chapter 5. --- Fatty acid profile analysis --- p.29 / Chapter a. --- Calibration --- p.30 / Chapter b. --- Identification of mycobacterial fatty acids --- p.30 / Chapter c. --- Construction of mycobacterial fatty acid profiles --- p.30 / Chapter 6. --- Discriminant analysis --- p.31 / Chapter IV. --- In Vitro Drug Susceptibility Test --- p.31 / Chapter A. --- Test strains --- p.31 / Chapter B. --- Preparation of drug-containing media --- p.32 / Chapter C. --- Minmum inhibition concentration (MIC) determination --- p.32 / Chapter V. --- Heavy Metal Tolerance Test --- p.33 / Chapter A. --- Bacterial strains --- p.33 / Chapter B. --- Reagent and media preparation --- p.34 / Chapter 1. --- Heavy metal stock solution preparation --- p.34 / Chapter 2. --- Media preparation --- p.34 / Chapter C. --- Minimum inhibition concentration (MIC) determination --- p.34 / Chapter VI. --- Plasmid Analysis of Mycobacteria --- p.35 / Chapter A. --- Bacterial strains --- p.35 / Chapter B. --- Extraction procedures --- p.35 / Chapter 1. --- Modified Kado & Liu method --- p.35 / Chapter 2. --- French press procedure --- p.36 / Chapter 3. --- Spheroplasts preparation procedure --- p.37 / Chapter C. --- Electrophoresis procedure --- p.37 / Chapter D. --- Statistical analysis for correlation between plasmid and drug resistance or heavy metal tolerance --- p.38 / RESULTS --- p.39 / Chapter I. --- Identification of Mycobacteria --- p.39 / Chapter A. --- General characteristics of the chromatographic profile --- p.39 / Chapter B. --- Discriminant analysis --- p.40 / Chapter 1. --- Gas chromatography-mass spectrometry (GC-MS) --- p.40 / Chapter a. --- Slowly growing non-pigmented mycobacteria --- p.40 / Chapter b. --- Rapidly growing mycobacter-ia --- p.41 / Chapter c. --- Pigmented mycobacteria --- p.41 / Chapter 2. --- Gas liquid chromatography (GLC) --- p.41 / Chapter a. --- Slowly growing non-pigmented mycobacteria --- p.42 / Chapter b. --- Rapidly growing mycobacteria --- p.42 / Chapter c. --- Pigmented mycobacteria --- p.43 / Chapter II. --- Vitro Drug Susceptibility Test --- p.43 / Chapter A. --- Mycobacterium tuberculosis --- p.43 / Chapter B. --- Atypical mycobacteria --- p.45 / Chapter 1. --- General characteristics --- p.45 / Chapter 2. --- Sensitivity pattern of different species --- p.46 / Chapter a. --- Mycobacterium kansasii --- p.46 / Chapter b. --- Mycobacterium avium- intracellulare complex --- p.46 / Chapter c. --- Mycobacterium scrofulaceum --- p.47 / Chapter d. --- Mycobacterium terrae complex --- p.47 / Chapter e. --- Mycobacterium fortuitum --- p.47 / Chapter f. --- Mycobacterium chelonae --- p.48 / Chapter III. --- Heavy Metal Tolerance Test --- p.48 / Chapter IV. --- Plasmid in Mycobacteria --- p.48 / Chapter A. --- Mycobacterium tuberculosis --- p.48 / Chapter B. --- Atypical mycobacteria --- p.49 / Chapter 1. --- General characteristics --- p.49 / Chapter 2. --- Correlation between drug resistance and plasmid --- p.50 / Chapter 3. --- Correlation between heavy metal tolerance and plasmid --- p.50 / DISCUSSION --- p.52 / Chapter I. --- Identification of Mycobacteria --- p.52 / Chapter II. --- In Vitro Drug Susceptibility Test --- p.56 / Chapter A. --- Mycobacterium tuberculosis --- p.56 / Chapter B. --- Atypical mycobacteria --- p.60 / Chapter 1. --- Mycobacterium kansasii --- p.61 / Chapter 2. --- Mycobacterium avium- intracellulare complex --- p.61 / Chapter 3. --- Mycobacterium scrofulaceum --- p.62 / Chapter 4. --- Mycobacterium terrae complex --- p.62 / Chapter 5. --- Mycobacterium fortuitum --- p.63 / Chapter 6. --- Mycobacterium chelonae --- p.64 / Chapter III. --- Plasmid Analysis in Mycobacteria --- p.64 / Chapter A. --- Mycobacterium tuberculosis --- p.64 / Chapter B. --- Atypical mycobacteria --- p.66 / SUMMARYS AND CONCLUSIONS --- p.68 / LITERATURE CITED --- p.70 / Chapter APPENDIX - --- Tables --- p.88 / Figures --- p.144
5

A study of multi-drug efflux pumps in acinetobacter.

January 2003 (has links)
Chau Sze-lok. / Thesis submitted in: December 2002. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references (leaves 221-245). / Abstracts in English and Chinese. / ABSTRACT (English) --- p.i / ABSTRACT (Chinese) --- p.iii / ACKNOWLEDGMENT --- p.v / LIST OF CONTENTS --- p.vii / LIST OF TABLES --- p.xiv / LIST OF FIGURES --- p.xvii / ABBREVIATIONS --- p.xx / TERMS --- p.xxi / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / (PART A) / Chapter 1.1 --- Acinetobacter spp --- p.1 / Chapter 1.2 --- Clinical importance of Acinetobacter --- p.4 / Chapter 1.3 --- Resistance mechanisms / Chapter 1.3.1 --- Intrinsic resistance --- p.7 / Chapter 1.3.2 --- Acquired resistance --- p.15 / Chapter 1.4 --- Resistance in Acinetobacter --- p.21 / Chapter 1.4.1 --- The efflux system in Acinetobacter --- p.22 / Chapter 1.4.2 --- Other antibiotic resistance mechanisms in Acinetobacter --- p.23 / (PART B) / Chapter 1.5 --- Methods used in this study --- p.29 / Chapter 1.6 --- Rationale of this study --- p.35 / Chapter 1.7 --- Objectives --- p.37 / Chapter CHAPTER 2 --- MATERIALS AND METHODS --- p.39 / Chapter 2.1 --- Bacterial strains and isolates / Chapter 2.1.1 --- Isolates for studying blaIMP-4 --- p.39 / Chapter 2.1.2 --- Isolates for studying adeB --- p.39 / Chapter 2.1.3 --- Isolates for investigation of other efflux pump(s)in Acinetobacter GDG3 --- p.40 / Chapter 2.1.4 --- Isolates for studying the distribution of efflux pumps --- p.40 / Chapter 2.1.5 --- Reference strains --- p.41 / Chapter 2.2 --- Materials / Chapter 2.2.1 --- Sources of materials --- p.42 / Chapter 2.2.2 --- Buffers and solutions --- p.45 / Chapter 2.3 --- Instruments and software --- p.46 / Chapter 2.4 --- General bacteriological techniques / Chapter 2.4.1 --- Bacteriological dientification --- p.47 / Chapter 2.4.2 --- Stock isolates --- p.48 / Chapter 2.4.3 --- Retrieval of isolates --- p.48 / Chapter 2.5 --- General molecular biology techniques / Chapter 2.5.1 --- Agarose gel electrophoresis --- p.49 / Chapter 2.5.2 --- Polymerase chain reaction (PCR) --- p.50 / Chapter 2.5.3 --- Amplified Ribosomal Restriction DNA Analysis (ARDRA) --- p.51 / Chapter 2.5.4 --- Pulsed field gel electrophoresis (PFGE) --- p.53 / Chapter 2.5.5 --- Minimal inhibitory concentration (MIC) --- p.55 / Chapter 2.5.6 --- Antibiotic sensitivity test - disc diffusion test --- p.56 / Chapter 2.5.7 --- Detection of the presence of the common resistance mechanisms --- p.57 / Chapter 2.5.8 --- TA Cloning --- p.60 / Chapter 2.5.9 --- DNA Sequencing --- p.62 / Chapter 2.5.10 --- Sequence analysis --- p.64 / Chapter 2.5.11 --- CYBR Green Assay --- p.65 / Chapter 2.5.12 --- Complementary DNA (cDNA) preparation --- p.66 / Chapter 2.5.13 --- Real time RT-PCR --- p.67 / Chapter 2.5.14 --- Construction of Genome Walker Libraries --- p.69 / Chapter 2.6 --- "Selection of acinetobacters from ICU, blood culture and other clinical isolates" / Chapter 2.6.1 --- Isolates from existing stock cultures --- p.71 / Chapter 2.6.2 --- New isolates obtained for this study --- p.71 / Chapter 2.7 --- Study of expression level of the blaIMP-4 gene / Chapter 2.7.1a --- Verification of the specificity of primers for blaIMP-4 --- p.72 / Chapter 2.7.1b --- Verfication of the specificity of primers for 16S rRNA gene --- p.73 / Chapter 2.7.1c --- Construction of standard curve --- p.76 / Chapter 2.7.2 --- Expression levels of blaIMP-4 and meropenem MICin blaIMP-4+ blood culture isolates --- p.77 / Chapter 2.7.3 --- Intra-assay reproducibility --- p.11 / Chapter 2.7.4 --- Detection of the production of metallo-β-lactamase --- p.77 / Chapter 2.8 --- Study of adeABC expression / Chapter 2.8.1 --- Determination of the presence of the adeB gene --- p.78 / Chapter 2.8.2 --- Entirety of the adeABC operon --- p.79 / Chapter 2.8.3 --- Expression level of the adeB gene --- p.82 / Chapter 2.8.4 --- Expression levels of adeB in sets of serial isolates --- p.84 / Chapter 2.8.5 --- Intra-assay reproducibility --- p.84 / Chapter 2.8.6 --- Inter-assay reproducibility --- p.84 / Chapter 2.9 --- Investigation of other efflux pumps in acinetobacter genomic DNA group3 / Chapter 2.9.1 --- Detection of adeB homologue in a genomic DNA group 3isolate --- p.85 / Chapter 2.9.2 --- Chromosome walking of the adeB-like genes --- p.87 / Chapter 2.9.3 --- Sequences of AdeE and AdeY and their comparison --- p.105 / Chapter 2.9.4 --- Topology prediction of AdeE and AdeY --- p.105 / Chapter 2.9.5 --- The role of the putative pump AdeE --- p.106 / Chapter 2.10 --- Distribution of AdeB and the putative efflux pumps AdeE and AdeY in acinetobacters from different bacterial collections / Chapter 2.10.1 --- Distribution of adeB and the putative pumps (adeE and adeY) in blood cultures (1997-2000) --- p.113 / Chapter 2.10.2 --- Confirmation of the identity of the amplification products of adeE and ade Y in blood culture isolate (1997-2000) --- p.115 / Chapter 2.10.3 --- The presence of adeE in GDG 3 acinetobacters from different sources --- p.116 / Chapter 2.10.4 --- "The presence of adeB, adeE and adeY in antibiotic susceptibility" --- p.116 / Chapter 2.10.5 --- "adeB, adeE and adeY and the clonally and epidemiologically related sets of isolates" --- p.116 / Chapter 2.10.6 --- "adeB, adeE and adeY and the blaIMP-4+ isolates" --- p.116 / Chapter CHAPTER 3 --- "SELECTION OF ACINETOBACTERS FROM ICU, BLOOD CULTURE AND OTHER CLINICAL ISOLATES" --- p.119 / Chapter 3.1 --- Results / Chapter 3.1.1 --- Isolates from existing stock cultures --- p.119 / Chapter 3.1.2 --- New isolates obtained for this study --- p.127 / Chapter 3.2 --- Discussion / Chapter 3.2.1 --- Identification of clonally related isolates by PFGE --- p.129 / Chapter 3.2.2 --- Correlation between the presence of common resistance mechanisms and the changes in antimicrobial susceptibility --- p.129 / Chapter 3.2.3 --- Development of resistance in serial isolates --- p.131 / Chapter CHAPTER 4 --- STUDY OF blaIMP-4 EXPRESSION --- p.133 / Chapter 4.1 --- Results / Chapter 4.1.1 --- Study of expression level of the blaIMP-4 gene --- p.134 / Chapter 4.1.2 --- Expression levels of blaIMP-4 and meropenem MIC in blaIMP-4+ blood culture isolates --- p.136 / Chapter 4.1.3 --- Intra-assay reproducibility \ --- p.37 / Chapter 4.1.4 --- Detection of the production of metallo-β-lactamase --- p.140 / Chapter 4.2 --- Discussion / Chapter 4.2.1 --- Dissociation curve --- p.140 / Chapter 4.2.2 --- Reproducibility of real time RT-PCR --- p.140 / Chapter 4.2.3 --- Relationship between mRNA level of blaIMP-4 and the meropenem MIC --- p.142 / Chapter CHAPTER 5 --- STUDY OF adeABC EXPRESSION --- p.145 / Chapter 5.1 --- Results / Chapter 5.1.1 --- Determination of the presence of the adeB gene --- p.145 / Chapter 5.1.2 --- Entirety of the adeABC operon --- p.146 / Chapter 5.1.3 --- Expression level of the adeB gene --- p.148 / Chapter 5.1.4 --- Expression levels of adeB in sets of serial isolates --- p.151 / Chapter 5.1.5 --- Intra-assay reproducibility --- p.154 / Chapter 5.1.6 --- Inter-assay reproducibility --- p.154 / Chapter 5.2 --- Discussion / Chapter 5.2.1 --- Detection of adeB --- p.156 / Chapter 5.2.2 --- Entirety of the adeABC operon --- p.156 / Chapter 5.2.3 --- Reproducibility of real time RT-PCR --- p.157 / Chapter 5.2.4 --- Relationship between adeB-mRNA level and antimicrobial susceptibility --- p.157 / Chapter CHAPTER 6 --- INVESTIGATION OF OTHER EFFLUX PUMPS IN ACINETOBACTER GENOMIC DNA GROUP3 --- p.159 / Chapter 6.1 --- Results / Chapter 6.1.1 --- Detection of adeB homologue in a genomic DNA group3 isolate --- p.159 / Chapter 6.1.2 --- Chromosome walking of the adeB-like genes --- p.162 / Chapter 6.1.3 --- Sequences of AdeE and AdeY and their comparison --- p.173 / Chapter 6.1.4 --- Topology prediction of AdeE and AdeY --- p.175 / Chapter 6.1.5 --- The role of the putative pump AdeE --- p.177 / Chapter 6.2 --- Discussion / Chapter 6.2.1 --- The AdeE RND transporter --- p.181 / Chapter 6.2.2 --- The theoretical AdeY protein --- p.183 / Chapter CHAPTER 7 --- DISTRIBUTION OF AdeB AND THE PUTATIVE EFFLUX PUMPS AdeE and AdeY IN ACINETOBACTERS FROM DIFFERENT BACTERIAL COLLECTIONS --- p.184 / Chapter 7.1 --- Results / Chapter 7.1.1 --- Distribution of adeB and the putative pumps (adeE and ade Y) in blood cultures (1997-2000) --- p.184 / Chapter 7.1.2 --- Confirmation of the identity of the amplification products of adeE and adeY in blood culture isolates (1997-2000) --- p.187 / Chapter 7.1.3 --- The presence of adeE in GDG 3 acinetobacters from different sources --- p.195 / Chapter 7.1.4 --- "The presence of adeB, adeE and ade Y in antibiotic susceptibility" --- p.196 / Chapter 7.1.5 --- "adeB, adeE and adeY and the clonally and epidemiologically related sets of isolates" --- p.202 / Chapter 7.1.6 --- "adeB, adeE and adeY and the blaIMP-4+ isolates" --- p.202 / Chapter 7.2 --- Discussion / Chapter 7.2.1 --- PCR-RFLP typing --- p.205 / Chapter 7.2.2 --- Distribution of adeB --- p.205 / Chapter 7.2.3 --- Distribution of adeE --- p.206 / Chapter 7.2.4 --- Distribution of adeY --- p.207 / Chapter 7.2.5 --- Distribution of adeE and adeY in GDG 3 isolates --- p.207 / Chapter CHAPTER 8 --- GENERAL DISCUSSION --- p.209 / Chapter 8.1 --- Significance of adeB and the putative pumps (adeE and adeY) --- p.211 / Chapter CHAPTER 9 --- CONCLUSION --- p.218 / Chapter 9.1 --- Conclusion --- p.218 / Chapter 9.2 --- Future Plan --- p.219 / REFERENCES --- p.221 / APPENDIX --- p.246 / Appendix1 --- p.246 / Appendix2 --- p.247 / Appendix3 --- p.252 / Appendix4 --- p.253 / Appendix5 --- p.259
6

Microbial responses to antibiotics : stability of resistance and extended potential of targeting the folate synthesis /

Jönsson, Maria, January 2005 (has links)
Diss. (sammanfattning) Uppsala : Uppsala universitet, 2005. / Härtill 4 uppsatser.
7

Infectious drug resistance in enteric bacilli in Thailand /

Chawewan Koonkhamlert. January 1970 (has links) (PDF)
Thesis (M.Sc. (Microbiology)) -- Mahidol University, 1970.
8

Studies on the mechanism of staphylococcal conjugation /

Von David, William J. January 1998 (has links)
Thesis (Ph. D.)--University of Missouri--Columbia, 1998. / "December 1998." Typescript. Vita. Includes bibliographical references (leaves [89]-98). Also available on the Internet.
9

Resistenz von "Pseudomonas aeruginosa" gegen Betalaktam-Antibiotika : Epidemiologie und molekularbiologische Grundlagen /

Vurma-Rapp, Ulrike Angelika Susanne. January 1990 (has links)
Diss. Naturwissenschaften Zürich, 1990. / Rückentitel: Resistenz von P. aeruginosa gegen Betalaktam-Antibiotika. Name auch: U. Vurma-Rapp.
10

Physiological streptomycin resistance in a strain of Escherichia coli

Carlson, Karen Ann January 1969 (has links)
This document only includes an excerpt of the corresponding thesis or dissertation. To request a digital scan of the full text, please contact the Ruth Lilly Medical Library's Interlibrary Loan Department (rlmlill@iu.edu).

Page generated in 0.1288 seconds