Research Topics
| Tadashi ItagakiSummaryAffiliation: Iwate University Country: Japan Publications
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Detail Information
Publications
Triploid form of Fasciola in Japan: genetic relationships between Fasciola hepatica and Fasciola gigantica determined by ITS-2 sequence of nuclear rDNAT Itagaki
Department of Parasitology, Faculty of Agriculture, Iwate University, Morioka, Japan
Int J Parasitol 28:777-81. 1998..The ITS-2 sequences of the Japanese triploid worms were divided into two distinct types, one of which was almost identical to that of F. hepatica and the other to F. gigantica from Indonesia...
Genetic characterization of parthenogenic Fasciola sp. in Japan on the basis of the sequences of ribosomal and mitochondrial DNAT Itagaki
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
Parasitology 131:679-85. 2005..The Japanese form (Fsp 1/2), which showed heterozygosity in ribosomal DNA and Fsp 2 haplotype in mitochondrial DNA, may have originated in interspecific cross hybridization between paternal F. hepatica and maternal F. gigantica...
Mitochondrial DNA polymorphism of a triploid form of Fasciola in JapanT Itagaki
Department of Parasitology, Iwate University, Morioka, Japan
J Helminthol 75:193-6. 2001..Three different types (types 1, 2 and 3) were detected from 76 Fasciola worms used in the study. Eight of 70 Japanese worms were categorized in type 2 (F. gigantica type), and the remaining 62 were in type 3 (F. hepatica type)...
Genotyping of Giardia intestinalis from domestic and wild animals in Japan using glutamete dehydrogenase gene sequencingTadashi Itagaki
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, 3 18 8 Ueda, Morioka 020 0105, Japan
Vet Parasitol 133:283-7. 2005..This is the first report on the genotypes of Giardia isolates from cats, calves and wild monkeys in Japan...
Hybridization experiments indicate incomplete reproductive isolating mechanism between Fasciola hepatica and Fasciola giganticaT Itagaki
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
Parasitology 138:1278-84. 2011..hepatica and F. gigantica and to reproduce parthenogenetically...
Occurrence of spermic diploid and aspermic triploid forms of Fasciola in Vietnam and their molecular characterization based on nuclear and mitochondrial DNATadashi Itagaki
Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
Parasitol Int 58:81-5. 2009..Furthermore, the aspermic triploids seem to have originated in countries other than Vietnam and to have rapidly spread to that country with infected animals...
Molecular characterization of Fasciola hepatica, Fasciola gigantica, and aspermic Fasciola sp. in China based on nuclear and mitochondrial DNAMao Peng
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka, 020 8550, Japan
Parasitol Res 105:809-15. 2009..The ratio of body length and width in aspermic Fasciola specimens showed intermediate values between those of F. hepatica and F. gigantica...
Discrimination of the ITS1 types of Fasciola spp. based on a PCR-RFLP methodMadoka Ichikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
Parasitol Res 106:757-61. 2010..The results of PCR-RFLP completely coincided with those of sequence analysis, and thus PCR-RFLP is a useful technique for determining the ITS1 type in Fasciola species...
Molecular characterization of parthenogenic Fasciola sp. in Korea on the basis of DNA sequences of ribosomal ITS1 and mitochondrial NDI geneTadashi Itagaki
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Morioka, Japan
J Vet Med Sci 67:1115-8. 2005..These findings strongly suggest that aspermic Fasciola forms in Korea and Japan originated from same ancestors and have recently spread throughout both countries...
Molecular analysis of aspermic Fasciola flukes from Korea on the basis of the nuclear ITS1 region and mitochondrial DNA markers and comparison with Japanese aspermic Fasciola flukesMadoka Ichikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
J Vet Med Sci 74:899-904. 2012..This indicates that a founder effect caused by the introduction of infected hosts may have played a key role in the introduction of aspermic Fasciola flukes from Korea into Japan...
Characterization of Fasciola spp. in Myanmar on the basis of spermatogenesis status and nuclear and mitochondrial DNA markersMadoka Ichikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda, Morioka, Japan
Parasitol Int 60:474-9. 2011..This indicated a unique history of F. gigantica introduction into Myanmar involving ancient artificial movements of domestic ruminants...
DNA types of aspermic Fasciola species in JapanMadoka Ichikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University
J Vet Med Sci 72:1371-4. 2010..The founder effect related to migration of definitive host and susceptibility of intermediate host snail might play an important role in both geographical distribution and frequency of DNA types in Japanese Fasciola specimens...
Identification of Fasciola flukes in Thailand based on their spermatogenesis and nuclear ribosomal DNA, and their intraspecific relationships based on mitochondrial DNAPannigan Chaichanasak
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
Parasitol Int 61:545-9. 2012..from Japan, Korea, China, Vietnam and Myanmar, suggesting that they were descendants with a common provenance and expanded to these countries in the relatively recent past...
Occurrence of two distinct Theileria lineages in sika deer (Cervus nippon) of Iwate Prefecture, JapanKazuhito Ikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Morioka, Japan
J Vet Med Sci 73:1371-3. 2011..The two lineages of Theileria were detected in different rates (12 and 88%) from sika deer in Iwate Prefecture...
Molecular phylogenetic analysis of Theileria species detected from Japanese serows (Capricornis crispus) in Iwate Prefecture, JapanKazuhito Ikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Morioka, Japan
J Vet Med Sci 73:1359-61. 2011..The Theileria DNAs of the two different lineages were considered to be those of distinct species...
Discrimination of three amphistome species by PCR-RFLP based on rDNA ITS2 markersTadashi Itagaki
Department of Disease Control, Iwate University, Morioka, Japan
J Vet Med Sci 65:931-3. 2003..The sequence difference between species was 4.2-5.3%. The three species of amphistomes were identified based on the difference in the restriction sites of Acc II on the ITS2 sequence...
The first detection of Babesia species DNA from Japanese black bears (Ursus thibetanus japonicus) in JapanKazuhito Ikawa
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Ueda 3 18 8, Morioka 020 8550, Japan
Parasitol Int 60:220-2. 2011..Phylogenetic analysis showed that Babesia sp. detected in this study closely related to Babesia sp. derived from raccoons in Japan and the U.S.A. This is the first report of Babesia species detected from Japanese black bears...
The first record of Dirofilaria immitis infection in a Humboldt penguin, Spheniscus humboldtiY Sano
Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Morioka, Japan
J Parasitol 91:1235-7. 2005..In addition, the partial DNA sequence (234 bp) of mitochondrial CO / gene of the filarial worm was identical to that of D. immitis. This is the first report of D. immitis infection in a bird...
[Prevalence of Strongyloides spp. infection in household dogs]Naoyuki Itoh
Laboratory of Veterinary Parasitology, Iwate University
Kansenshogaku Zasshi 77:430-5. 2003..Furthermore, the reliable treatment for dogs infected with S. stercoralis seems to be important...
Molecular characterization of Cryptosporidium isolates obtained from human and bovine infections in JapanK Yagita
Department of Parasitology, National Institute of Infectious Diseases, Tokyo, Japan
Parasitol Res 87:950-5. 2001..The third genotype was identified as Crypto sporidium meleagridis, demonstrating that C. meleagridis, which occurs worldwide, has the potential to infect humans regardless of their immunological condition...
Survey on wild rodents for endoparasites in Iwate Prefecture, JapanMegumi Ito
Laboratory of Parasitology, Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Japan
J Vet Med Sci 65:1151-3. 2003..montana, Trichuris sp.) and 3 protozoans (Giardia sp., Trichomonas sp., Trypanosoma sp.) were identified. The two species of Apodemus were similar to each other, but they were extremely different from M. montebelli in parasite fauna...
Outbreak of human metapneumovirus detected by use of the Vero E6 cell line in isolates collected in Yamagata, Japan, in 2004 and 2005C Abiko
Department of Microbiology, Yamagata Prefectural Institute of Public Health, Tokamachi, Yamagata 990 0031, Japan
J Clin Microbiol 45:1912-9. 2007..Finally, we found that Vero E6 cells are useful for the isolation of hMPVs and that this utility might aid further research into hMPVs beyond the epidemiological data shown in this study...
Prevalence of Giardia lamblia infection in household dogsN Itoh
Kamome Veterinary Clinic, Sozen Nishi 7-9-2932, Hashikami, Sannohe, Aomori 039-1212, Japan
Kansenshogaku Zasshi 75:671-7. 2001..Pet owners should be taught appropriate hygiene measures to prevent Giardia transmission from dogs to humans...
Frequent importation of enterovirus 71 from surrounding countries into the local community of Yamagata, Japan, between 1998 and 2003K Mizuta
Department of Microbiology, Yamagata Prefectural Institute of Public Health, Tokamachi 1 6 6, Yamagata, 990 0031 Japan
J Clin Microbiol 43:6171-5. 2005..quot; Our results suggest that the importation of EV71 from surrounding countries has had a major epidemiological impact on the local community used in our study...
Treatment of Notoedres cati infestation in cats with selamectinN Itoh
Kamome Veterinary Clinic, Sozen Nishi 7-9-2932, Hashikami, Sannohe, Aomori 039-1212, Japan
Vet Rec 154:409. 2004
Age and comorbidity as risk factors for vocal cord paralysis associated with tracheal intubationM Kikura
Department of Anaesthesiology and Intensive Care, Hamamatsu Medical Center, Hamamatsu, Japan
Br J Anaesth 98:524-30. 2007..Vocal cord paralysis after tracheal intubation may be attributed to ageing and comorbidity. However, the relationship between patient characteristics and the risk of vocal cord paralysis is unknown...
Epidemics of two Victoria and Yamagata influenza B lineages in Yamagata, JapanK Mizuta
Department of Microbiology, Yamagata Prefectural Institute of Public Health, Tokamachi, Yamagata, Japan
Epidemiol Infect 132:721-6. 2004..Since the epidemiology of the two influenza B lineages remains unclear, a careful watch should be kept on these lineages in order to provide effective public-health strategies against future epidemics...
Comparative study of the reproductive organs of Fasciola groups by optical microscopeK Terasaki
St. Mary's Junior College, Kurume, Fukuoka, Japan
J Vet Med Sci 63:735-42. 2001..4. The structure of the reproductive organ on the genus Fasciola are shown in detail in the figures...
