| Preface |
|
xiii | |
| Authors |
|
xv | |
| Abbreviations Commonly Used |
|
xvii | |
| Chapter 1 History of Neospora and Neosporosis |
|
1 | (6) |
|
|
|
1 | (4) |
|
1.1.1 Discovery of the Organism in Dogs |
|
|
1 | (1) |
|
1.1.2 In Vitro Cultivation of Viable N. caninum |
|
|
2 | (1) |
|
1.1.3 Linking N. caninum to Abortions in Cattle |
|
|
2 | (1) |
|
1.1.4 Retrospective Studies |
|
|
3 | (2) |
|
|
|
3 | (1) |
|
|
|
3 | (2) |
|
1.1.5 Cattle and Other Hosts |
|
|
5 | (1) |
|
1.2 Landmarks in the Biology of Neospora |
|
|
5 | (1) |
|
|
|
5 | (2) |
| Chapter 2 General Biology |
|
7 | (108) |
|
|
|
7 | (1) |
|
2.2 Taxonomic Classification |
|
|
7 | (1) |
|
|
|
8 | (1) |
|
|
|
8 | (1) |
|
|
|
8 | (1) |
|
|
|
8 | (22) |
|
|
|
9 | (11) |
|
2.4.2 Bradyzoites and Tissue Cysts |
|
|
20 | (6) |
|
2.4.2.1 Conversion of Tachyzoites to Bradyzoites |
|
|
23 | (3) |
|
|
|
26 | (4) |
|
2.5 Transmission and Epidemiology |
|
|
30 | (2) |
|
2.6 Host-Parasite Relationship |
|
|
32 | (3) |
|
2.7 Molecular and Cell Biology |
|
|
35 | (18) |
|
2.7.1 Genome and Transcriptome Analysis of N. caninum |
|
|
35 | (5) |
|
2.7.2 Modulation of Host Gene Expression upon Infection |
|
|
40 | (1) |
|
2.7.3 Proteomics Approaches |
|
|
41 | (1) |
|
2.7.4 Genetic Manipulation of N. caninum |
|
|
41 | (1) |
|
2.7.5 Neospora-Host Cell Interactions and Invasion |
|
|
42 | (11) |
|
2.7.5.1 Initial Host Cell Contact is Mediated by Parasite Surface Antigens (SAGS) |
|
|
43 | (7) |
|
2.7.5.2 Secretory Organelle Discharge Governs Host Cell Invasion |
|
|
50 | (1) |
|
2.7.5.3 Microneme Proteins |
|
|
50 | (1) |
|
2.7.5.4 ROPs and Rhoptry Neck Proteins (RONs) |
|
|
50 | (1) |
|
2.7.5.5 Dense Granule Proteins |
|
|
51 | (1) |
|
2.7.5.6 Intracellular Host Cell Modulation and Parasite-Host Cell Crosstalk |
|
|
52 | (1) |
|
2.7.5.7 Monoclonal Antibodies |
|
|
53 | (1) |
|
2.8 Rodent Models of Neosporosis |
|
|
53 | (21) |
|
|
|
53 | (17) |
|
|
|
53 | (4) |
|
|
|
57 | (13) |
|
2.8.1.3 Nude Mice and IFN-gamma-KO Mice |
|
|
70 | (1) |
|
|
|
70 | (3) |
|
2.8.2.1 Common Pet Gerbil (Meriones unguiculatus) |
|
|
70 | (3) |
|
2.8.2.2 Tristram's Jird (Meriones tristrami) |
|
|
73 | (1) |
|
2.8.2.3 Wagner Gerbil (Gerbillus dasyurus) |
|
|
73 | (1) |
|
2.8.3 Multimammate Rat (Mastomys natalensis) |
|
|
73 | (1) |
|
2.8.4 Sand Rat (Psammomys obesus) |
|
|
73 | (1) |
|
2.8.5 Norwegian Rat (Rattus norvegicus) |
|
|
73 | (1) |
|
2.8.6 Djungarian Hamster (Phodopus sungorus) |
|
|
74 | (1) |
|
|
|
74 | (27) |
|
|
|
74 | (1) |
|
2.9.2 Conventional Histopathology |
|
|
74 | (1) |
|
2.9.3 Transmission Electron Microscopy |
|
|
74 | (1) |
|
2.9.4 Immunohistochemical Staining (IHC) |
|
|
75 | (1) |
|
2.9.5 Isolation of Viable N. caninum by Bioassay |
|
|
76 | (1) |
|
2.9.6 Serological Methods |
|
|
77 | (13) |
|
2.9.6.1 Antibody Detection |
|
|
77 | (13) |
|
2.9.6.2 Antigen Detection |
|
|
90 | (1) |
|
2.9.7 Detection of DNA (PCR) |
|
|
90 | (14) |
|
2.9.7.1 General Aspects of PCR |
|
|
90 | (1) |
|
2.9.7.2 Target Genes for Diagnostic N. caninum PCRs |
|
|
91 | (6) |
|
|
|
97 | (1) |
|
2.9.7.4 Typing Different Neospora sp. Strains |
|
|
98 | (3) |
|
|
|
101 | (3) |
|
|
|
104 | (7) |
|
2.11.1 Vaccination Studies in Small Laboratory Animals |
|
|
104 | (11) |
|
|
|
104 | (7) |
|
2.11.1.2 Subunit Vaccines |
|
|
111 | (1) |
|
2.12 Prevention, Prophylaxis |
|
|
111 | (1) |
|
|
|
111 | (4) |
| Chapter 3 Techniques |
|
115 | (18) |
|
3.1 Bioassay of Tissues for Isolation of Neospora |
|
|
115 | (1) |
|
3.1.1 Tissues of Acutely Infected Animals |
|
|
115 | (1) |
|
3.1.2 Tissues of Chronically Infected Animals |
|
|
115 | (1) |
|
|
|
116 | (4) |
|
3.2.1 Obtaining Tachyzoites |
|
|
116 | (3) |
|
3.2.1.1 In Vitro Cultivation |
|
|
116 | (3) |
|
3.2.2 Obtaining Tissue Cysts |
|
|
119 | (1) |
|
|
|
119 | (1) |
|
|
|
120 | (1) |
|
3.3 Diagnostic Procedures |
|
|
120 | (12) |
|
3.3.1 Examination of Canine Feces for Oocysts |
|
|
120 | (1) |
|
3.3.2 Cytology, Histopathologic, and IHC Procedures |
|
|
121 | (3) |
|
3.3.3 Serologic Procedures |
|
|
124 | (6) |
|
|
|
124 | (1) |
|
|
|
124 | (1) |
|
|
|
125 | (2) |
|
|
|
127 | (3) |
|
|
|
130 | (3) |
|
3.3.4.1 Sampling, Sample-Treatment and DNA Extraction |
|
|
130 | (1) |
|
3.3.4.2 Fecal, Environmental, and Water Samples |
|
|
131 | (1) |
|
3.3.4.3 Options for Transporting DNA Prior to Analysis |
|
|
132 | (1) |
|
|
|
132 | (1) |
| Chapter 4 Neosporosis in Cattle |
|
133 | (128) |
|
|
|
133 | (50) |
|
4.1.1 Serologic Prevalence |
|
|
133 | (1) |
|
4.1.2 Clinical Infections |
|
|
133 | (47) |
|
4.1.2.1 Abortion and Stillbirth |
|
|
133 | (42) |
|
4.1.2.2 Congenitally Infected Calves |
|
|
175 | (3) |
|
4.1.2.3 Lesions in Weaned Calves and Adult Cattle |
|
|
178 | (2) |
|
4.1.3 Isolation of Viable N. caninum from Bovine Tissues |
|
|
180 | (3) |
|
4.2 Experimental Infections |
|
|
183 | (20) |
|
4.2.1 Calves and Adult Cattle |
|
|
183 | (8) |
|
4.2.2 Cows during Pregnancy |
|
|
191 | (12) |
|
|
|
191 | (1) |
|
4.2.2.2 Pathogenesis of Neosporosis |
|
|
191 | (12) |
|
|
|
203 | (22) |
|
4.3.1 General Considerations |
|
|
203 | (1) |
|
4.3.2 Submission of Samples to a Diagnostic Laboratory |
|
|
204 | (1) |
|
4.3.3 Routine Histopathological Examination |
|
|
204 | (1) |
|
4.3.4 Immunohistological Examinations |
|
|
205 | (2) |
|
4.3.5 Demonstration of Viable Neospora |
|
|
207 | (1) |
|
4.3.6 Detection of N. caninum DNA |
|
|
207 | (2) |
|
|
|
208 | (1) |
|
4.3.6.2 Asymptomatic Cattle |
|
|
209 | (1) |
|
4.3.7 Detection of Antibodies |
|
|
209 | (16) |
|
4.3.7.1 Antibody Types and Isotypes |
|
|
209 | (1) |
|
4.3.7.2 Ratio of Specific IgG1 and IgG2 |
|
|
210 | (1) |
|
4.3.7.3 Fluctuating Antibody Levels in Relation to Risk of Abortion and Vertical Transmission |
|
|
210 | (1) |
|
4.3.7.4 Avidity Maturation |
|
|
211 | (1) |
|
4.3.7.5 Antibodies in Adult Cattle due to Vaccination |
|
|
211 | (1) |
|
4.3.7.6 Antibodies in Fetuses |
|
|
211 | (1) |
|
4.3.7.7 Antibodies in Newborn Calves |
|
|
212 | (1) |
|
4.3.7.8 In-House and Commercial Serological Assays |
|
|
213 | (9) |
|
4.3.7.9 Testing of Individual Aborting Dams or Dams at Abortion Risk |
|
|
222 | (1) |
|
4.3.7.10 Serological Testing on a Herd Level |
|
|
223 | (1) |
|
4.3.7.11 Avidity Tests to Define the Time Point of Infection |
|
|
224 | (1) |
|
4.3.7.12 Serological Tests to Estimate the Herd Seroprevalence |
|
|
224 | (1) |
|
|
|
225 | (28) |
|
4.4.1 Transmission and Risk Factors in Cattle |
|
|
225 | (5) |
|
4.4.1.1 Prenatal (Transplacental) Transmission |
|
|
225 | (3) |
|
4.4.1.2 Postnatal (Horizontal) Transmission |
|
|
228 | (1) |
|
4.4.1.3 Epidemic and Endemic N. caninum-Associated Abortion |
|
|
229 | (1) |
|
4.4.1.4 Persistent N. caninum Infection and Fertility |
|
|
230 | (1) |
|
4.4.1.5 Effect of Infection on Fetal Survival |
|
|
230 | (1) |
|
4.4.2 Risk Factors Associated with Infection |
|
|
230 | (13) |
|
|
|
231 | (5) |
|
4.4.2.2 Parity Number of Dam |
|
|
236 | (1) |
|
4.4.2.3 Definitive Hosts (e.g., Dogs, Coyotes, and Wolves) |
|
|
236 | (1) |
|
4.4.2.4 Carnivores Other than Canids |
|
|
237 | (1) |
|
4.4.2.5 Intermediate Hosts Other than Cattle |
|
|
237 | (1) |
|
4.4.2.6 Grazing, Fodder, and Drinking Water |
|
|
238 | (1) |
|
4.4.2.7 Feeding Colostrum or Milk |
|
|
239 | (1) |
|
4.4.2.8 Calving Management |
|
|
239 | (1) |
|
4.4.2.9 History of Reproduction Problems |
|
|
239 | (1) |
|
4.4.2.10 Cattle Stocking Density and Size of Farm Land |
|
|
239 | (1) |
|
|
|
240 | (1) |
|
4.4.2.12 Source of Replacement Heifers |
|
|
240 | (1) |
|
|
|
240 | (1) |
|
|
|
241 | (1) |
|
|
|
241 | (1) |
|
4.4.2.16 Hygienic Status and Biosecurity |
|
|
241 | (1) |
|
4.4.2.17 Factors Related to Concurrent Infections |
|
|
241 | (1) |
|
|
|
242 | (1) |
|
|
|
242 | (1) |
|
4.4.2.20 Human Population Density |
|
|
242 | (1) |
|
4.4.2.21 Geographic Clustering |
|
|
242 | (1) |
|
4.4.3 Risk Factors Associated with Reproduction |
|
|
243 | (10) |
|
4.4.3.1 Abortion Risk Associated with Seropositivity of Individual Cattle |
|
|
243 | (1) |
|
4.4.3.2 Abortion Risk Associated with N. caninum Seroprevalence in the Herd |
|
|
244 | (1) |
|
4.4.3.3 Factors Related to Infection Risk |
|
|
244 | (7) |
|
4.4.3.4 Factors Associated with Reproduction |
|
|
251 | (2) |
|
4.5 Economics and Control of Bovine Neosporosis |
|
|
253 | (6) |
|
4.5.1 Economic Considerations |
|
|
253 | (1) |
|
4.5.2 Vaccination against Neosporosis in Cattle |
|
|
254 | (4) |
|
4.5.2.1 Live-Attenuated Vaccines |
|
|
254 | (2) |
|
4.5.2.2 N. caninum Tachyzoite Lysate-Based Vaccines |
|
|
256 | (1) |
|
|
|
257 | (1) |
|
4.5.3 Reproductive Management |
|
|
258 | (1) |
|
|
|
259 | (2) |
| Chapter 5 Neosporosis in Dogs |
|
261 | (56) |
|
|
|
261 | (34) |
|
5.1.1 Sources of Infection and Transmission of N. caninum for Dogs |
|
|
261 | (1) |
|
5.1.2 Serologic Prevalence |
|
|
261 | (14) |
|
5.1.2.1 Risk Factors for Infection in Dogs |
|
|
262 | (13) |
|
5.1.3 Prevalence of N. caninum Oocysts in Dog Feces |
|
|
275 | (1) |
|
5.1.4 Isolation of Viable N. caninum from Dogs |
|
|
275 | (1) |
|
5.1.5 Clinical Infections |
|
|
275 | (20) |
|
5.2 Diagnosis of Canine Neosporosis and Canine N. caninum Infection |
|
|
295 | (15) |
|
5.2.1 General Considerations on Clinical Examination |
|
|
295 | (1) |
|
5.2.2 Histopathologic Diagnosis |
|
|
295 | (5) |
|
5.2.2.1 Antemortem Findings |
|
|
296 | (2) |
|
5.2.2.2 Lesions in Dogs with Canine Neosporosis, Postmortem Findings |
|
|
298 | (2) |
|
5.2.3 Demonstration of Viable N. caninum in Dogs |
|
|
300 | (2) |
|
5.2.3.1 Demonstration of Viable N. caninum in Cases of Canine Neosporosis |
|
|
300 | (2) |
|
5.2.3.2 Demonstration of Viable N. caninum Oocysts |
|
|
302 | (1) |
|
5.2.4 Detection of N. caninum DNA in Dogs |
|
|
302 | (1) |
|
5.2.4.1 N. caninum DNA in Canine Neosporosis |
|
|
302 | (1) |
|
5.2.4.2 N. caninum DNA in Canine Feces |
|
|
303 | (1) |
|
5.2.4.3 Genotyping of N. caninum Strains Isolated from Dogs |
|
|
303 | (1) |
|
5.2.5 N. caninum-Specific Antibodies in Dogs with Canine Neosporosis |
|
|
303 | (5) |
|
5.2.5.1 Antibody Development and Antibody Types |
|
|
305 | (1) |
|
5.2.5.2 Persistence of Antibodies |
|
|
305 | (1) |
|
5.2.5.3 Antibodies and Vertical Transmission in Dogs |
|
|
305 | (1) |
|
5.2.5.4 Antibodies in Dogs with Myositis, Polyradiculoneuritis, and Encephalomyelitis |
|
|
306 | (2) |
|
5.2.5.5 Antibodies in Dogs with Other Forms of Canine Neosporosis |
|
|
308 | (1) |
|
5.2.5.6 Antibody Detection in CSF |
|
|
308 | (1) |
|
5.2.5.7 Effect of chemotherapeutical Treatment on Antibody Levels |
|
|
308 | (1) |
|
5.2.5.8 Avidity Maturation of a Specific IgG Response in Dogs |
|
|
308 | (1) |
|
5.2.6 Serological Reactions in Dogs after Excreting Oocysts |
|
|
308 | (1) |
|
5.2.6.1 Reactions against Conventional Tachyzoite Antigen |
|
|
308 | (1) |
|
5.2.6.2 Serological Reactions against a 152 kDa Tachyzoite Antigen in Oocyst Shedding Dogs |
|
|
309 | (1) |
|
|
|
309 | (5) |
|
5.2.7.1 Available Types of Assays |
|
|
309 | (1) |
|
5.2.7.2 Commercial Assays |
|
|
310 | (1) |
|
|
|
310 | (1) |
|
|
|
310 | (4) |
|
5.5 Experimental Infections |
|
|
314 | (1) |
|
5.5.1 Using Dogs as Intermediate Hosts |
|
|
314 | (1) |
|
5.5.2 Using Dogs as Definitive Hosts |
|
|
315 | (1) |
|
|
|
315 | (2) |
| Chapter 6 Neosporosis in Sheep |
|
317 | (12) |
|
|
|
317 | (7) |
|
6.1.1 Serologic and DNA Prevalence |
|
|
317 | (1) |
|
6.1.2 Clinical Infections |
|
|
317 | (12) |
|
6.1.2.1 Histologically Confirmed Abortion and Stillbirth |
|
|
317 | (6) |
|
6.1.2.2 Detection of N. caninum DNA in Aborted Fetuses |
|
|
323 | (1) |
|
6.1.2.3 Clinical and Subclinical Neosporosis in Adult Sheep |
|
|
323 | (1) |
|
6.2 Experimental Infections |
|
|
324 | (1) |
|
6.3 Immunity, Protection, and Vaccination |
|
|
324 | (3) |
|
|
|
327 | (2) |
| Chapter 7 Neosporosis in Goats |
|
329 | (8) |
|
|
|
329 | (4) |
|
7.1.1 DNA Serologic Prevalence |
|
|
329 | (1) |
|
|
|
329 | (4) |
|
7.2 Experimental Infections |
|
|
333 | (3) |
|
|
|
336 | (1) |
| Chapter 8 Neosporosis in Water Buffaloes (Bubalus bubalis) |
|
337 | (6) |
|
|
|
337 | (2) |
|
8.1.1 Serologic Prevalence |
|
|
337 | (1) |
|
8.1.2 Parasitologic Prevalence |
|
|
337 | (1) |
|
|
|
338 | (1) |
|
8.2 Experimental Infections |
|
|
339 | (2) |
|
8.2.1 Infection in Nonpregnant Animals |
|
|
339 | (1) |
|
8.2.2 Infection in Pregnant Animals |
|
|
339 | (2) |
|
|
|
341 | (2) |
| Chapter 9 Neosporosis in Pigs |
|
343 | (4) |
|
|
|
343 | (1) |
|
9.1.1 DNA Serologic Prevalence |
|
|
343 | (1) |
|
9.1.2 Clinical Infections |
|
|
343 | (1) |
|
9.2 Experimental Infections |
|
|
343 | (3) |
|
|
|
346 | (1) |
| Chapter 10 Neosporosis in Camels and South American Camelids |
|
347 | (4) |
|
|
|
347 | (1) |
|
10.1.1 One Humped Camel (Camelus dromedarius) |
|
|
347 | (1) |
|
10.1.2 South American Camelids |
|
|
347 | (4) |
|
10.1.2.1 Serologic Prevalence |
|
|
347 | (1) |
|
10.1.2.2 Clinical Infections |
|
|
347 | (1) |
|
|
|
347 | (4) |
| Chapter 11 Neosporosis in Felids |
|
351 | (6) |
|
|
|
351 | (1) |
|
11.1.1 Serologic Prevalence |
|
|
351 | (1) |
|
11.1.2 Clinical Infections |
|
|
351 | (1) |
|
11.2 Experimental Infections |
|
|
351 | (1) |
|
|
|
351 | (6) |
| Chapter 12 Neosporosis in Avian Species |
|
357 | (6) |
|
|
|
357 | (1) |
|
12.2 Experimental Infections |
|
|
357 | (1) |
|
|
|
357 | (6) |
| Chapter 13 Neosporosis in Humans and Primates |
|
363 | (2) |
|
13.1 Neosporosis in Humans |
|
|
363 | (1) |
|
13.2 Experimental Neosporosis in Rhesus Monkeys |
|
|
363 | (1) |
|
|
|
363 | (2) |
| Chapter 14 Neosporosis in Cervids and Other Wild Herbivores |
|
365 | (14) |
|
14.1 Natural Infections in Cervids |
|
|
365 | (1) |
|
14.1.1 White Tailed Deer (Odocoileus virginianus) |
|
|
365 | (1) |
|
|
|
365 | (1) |
|
|
|
365 | (12) |
|
14.2.1 Serologic Prevalence |
|
|
365 | (1) |
|
14.2.2 Clinical Infections |
|
|
365 | (12) |
|
|
|
377 | (1) |
|
14.3.1 Serologic Prevalence |
|
|
377 | (1) |
|
14.3.2 Clinical Neosporosis |
|
|
377 | (1) |
|
|
|
377 | (2) |
| Chapter 15 Neosporosis in White Rhinoceros (Ceratotherium simum) |
|
379 | (2) |
|
|
|
380 | (1) |
| Chapter 16 Neosporosis in Wild Canids and Other Carnivores |
|
381 | (12) |
|
|
|
381 | (5) |
|
16.1.1 Australian Dingo (Canis lupus dingo) |
|
|
381 | (1) |
|
16.1.2 Coyote (C. latrans) |
|
|
381 | (5) |
|
16.1.3 Red Fox (Vulpes vulpes) |
|
|
386 | (1) |
|
16.1.4 Blue Fox (Alopex lagopus) |
|
|
386 | (1) |
|
16.1.5 Gray Wolf (C. lupus) |
|
|
386 | (1) |
|
|
|
386 | (1) |
|
16.2 Other Wild Carnivores |
|
|
386 | (5) |
|
16.2.1 Raccoons (Procyon lotor) |
|
|
386 | (5) |
|
|
|
391 | (1) |
|
16.2.3 DNA Detection in Wild Carnivores |
|
|
391 | (1) |
|
|
|
391 | (2) |
| Chapter 17 Neosporosis in Miscellaneous Animals |
|
393 | (4) |
|
17.1 Giant Panda (Ailuropoda melanoleuca) |
|
|
393 | (1) |
|
17.2 Parma Wallaby (Macropus parma) |
|
|
393 | (1) |
|
|
|
393 | (1) |
|
|
|
393 | (3) |
|
17.4.1 Rodents and Lagomorphs |
|
|
393 | (3) |
|
|
|
396 | (1) |
| Chapter 18 N. hughesi and Neosporosis in Horses and Other Equids |
|
397 | (14) |
|
|
|
397 | (1) |
|
18.2 Differences between N. hughesi and N. caninum |
|
|
397 | (1) |
|
|
|
397 | (1) |
|
|
|
397 | (1) |
|
|
|
397 | (1) |
|
18.2.1.3 Antigenic and Molecular Differences |
|
|
397 | (1) |
|
18.2.1.4 Biological Differences |
|
|
398 | (1) |
|
18.3 Natural Infections in Horses |
|
|
398 | (12) |
|
18.3.1 Serologic Prevalence |
|
|
398 | (7) |
|
18.3.2 Transplacental Infection |
|
|
405 | (1) |
|
18.3.3 Clinical Infections |
|
|
405 | (4) |
|
18.3.3.1 Histologically Confirmed Cases |
|
|
405 | (2) |
|
18.3.3.2 Antemortem Diagnosed Cases |
|
|
407 | (2) |
|
|
|
409 | (1) |
|
|
|
409 | (1) |
|
18.3.4.1 Serological Diagnosis |
|
|
409 | (1) |
|
18.3.4.2 Polymerase Chain Reaction |
|
|
410 | (1) |
|
18.4 Experimental Infections |
|
|
410 | (1) |
|
|
|
410 | (1) |
| References |
|
411 | (108) |
| Index |
|
519 | |