| species identification of mustelids by comparing partial sequences on mitochondrial dna from fecal samples. | nucleotide sequences of cytochrome b/trna/d-loop region on mitochondrial dna of mustelids feces were compared to identify species. pcr amplification of target sequence for 47 (24.9%) feces and species identification of five feces (2.6%) out of 189 feces, collected at several study sites in hokkaido, were successful. species of three feces were martes zibellina and those of other two feces were martes melampus and mustela itatsi. the low success rate of identification appeared to be due to failur ... | 2002 | 12014576 |
| paragonimus westermani and some rare intestinal trematodes recovered from raccoon dogs (nyctereutes procyonoides viverrinus) introduced recently on yakushima island, japan. | helminth parasites were collected from 9 raccoon dogs (nyctereutes procyonoides viverrinus) and 2 japanese weasels (mustela itatsi sho) on yakushima island, japan. the former carnivore was introduced to this world natural heritage area presumably within the last two decades, expanding its population thence, although detailed process(es) of the introduction is unknown. the collected trematodes from raccoon dogs included the triploid form of paragonimus westermani, brachylaima tokudai, maritrema e ... | 2006 | 16891780 |
| juvenile bird acanthocephalans recovered incidentally from raccoon dogs (nyctereutes procyonoides viverrinus) on yakushima island, japan. | helminth parasites were collected from 14 raccoon dogs (nyctereutes procyonoides viverrinus) and 2 japanese weasels (mustela itatsi sho) on yakushima island, kagoshima prefecture (kyushu), japan. in addition to trematodes and nematodes reported separately, everted cystacanths of 3 bird acanthocephalans (mediorhynchus robustus in 5 animals, porrorchis leibyi in 2 animals, and sphaerirostris lanceoides in 1 animal) were collected from the raccoon dogs introduced recently on this world natural heri ... | 2006 | 16891781 |
| nematodes from raccoon dogs (nyctereutes procyonoides viverrinus) introduced recently on yakushima island, japan. | nematodes were collected from 14 raccoon dogs (nyctereutes procyonoides viverrinus) on yakushima island, kagoshima prefecture (kyushu), japan, that were the progeny of recently introduced animals to this world natural heritage area, probably within the last 2 decades. seven nematode species (toxocara tanuki, ancylostoma kusimaense, arthrostoma miyazakiense, strongyloides planiceps, trichuris vulpis, gongylonema sp., and dirofilaria immitis) were collected from the raccoon dogs. two nematode spec ... | 2006 | 16891782 |
| genetic identification of mammalian carnivore species in the kushiro wetland, eastern hokkaido, japan, by analysis of fecal dna. | to identify mammalian carnivore species distributed in the kushiro wetland, eastern hokkaido, japan, we developed molecular-genetic methods for identification of the species from fecal samples collected from the field. species-specific primers and pcr programs were established for five native and six alien species of carnivores: martes zibellina, mustela nivalis, mustela erminea, vulpes vulpes, and nyctereutes procyonoides as native species, and neovison vison, martes melampus, mustela itatsi, c ... | 2008 | 18828658 |
| forensic hair analysis to identify animal species on a case of pet animal abuse. | as part of an investigation of a case of pet animal abuse, we attempted to identify small mammalian species by morphological analysis and single-nucleotide polymorphism (snp) typing of the cytochrome b gene using guard hairs as an analytical material. guard hair samples from several species were measured for length, width, medulla formation, and cuticle scale pattern under a light microscope or scanning electron microscope. these samples were also analyzed for snps in the cytochrome b gene using ... | 2010 | 19921235 |
| isolation and phylogenetic analysis of bartonella species from wild carnivores of the suborder caniformia in japan. | the prevalence of bartonella species was investigated among wild carnivores of the suborder caniformia, including 15 japanese badgers (meles anakuma), 8 japanese martens (martes melampus), 2 japanese weasels (mustela itatsi), 1 siberian weasel (mustela sibirica), 171 raccoon dogs (nyctereutes procyonoides), and 977 raccoons (procyon lotor) in japan. bartonella bacteria were isolated from one japanese badger (6.7%) and from one japanese marten (12.5%); however, no bartonella species was found in ... | 2012 | 22841404 |
| ticks (acari: ixodidae) from medium-sized to large mammals in ehime prefecture, japan. | ixodid ticks were collected from medium-sized to large mammals in ehime prefecture, shikoku, japan. ten species of ticks (amblyomma testudinarium, dermacentor taiwanensis, haemaphysalis flava, h. formosensis, h. hystricis, h. longicornis, h. megaspinosa, ixodes nipponensis, i. ovatus, and i. tanuki) were collected from a total of 29 mammals comprising 11 species. haemaphysalis hystricis, a possible vector of japanese spotted fever in ehime prefecture, was collected from canis lupus familiaris (d ... | 2013 | 23242932 |
| phylogenetic position of the japanese river otter lutra nippon inferred from the nucleotide sequence of 224 bp of the mitochondrial cytochrome b gene. | a 224 bp fragment of the mitochondrial cytochrome b gene has been amplified from a 30-year-old mummy-like specimen of the japanese river otter lutra nippon by polymerase chain reaction (pcr). the amplified products were subcloned in the smal site of puc 18 and sequenced. the sequence was different from those of the congeneric eurasian otters lutra lutra (latvia) and lutra lutra (china) in 7-9 nucleotides, all of which were located at the third position of a codon and identified as transitional d ... | 1996 | 8940916 |
| comparative functional anatomy of hindlimb muscles and bones with reference to aquatic adaptation of the sea otter. | although the sea otter (enhydra lutris) is a complete aquatic species, spending its entire life in the ocean, it has been considered morphologically to be a semi-aquatic animal. this study aimed to clarify the unique hindlimb morphology and functional adaptations of e. lutris in comparison to other mustelidae species. we compared muscle mass and bone measurements of five mustelidae species: the sea otter, eurasian river otter (lutra lutra), american mink (neovison vison), japanese weasel (mustel ... | 2015 | 25715875 |
| new methods for species and sex determination in three sympatric mustelids, mustela itatsi, mustela sibirica and martes melampus. | we developed novel species and sex determination methods for three japanese mustelid species. we used ddx3y to determine sex and generated a primer set to amplify both ddx3x and ddx3y dna in mustela itatsi, m. sibirica and martes melampus. to determine species and sex simultaneously, we generated fluorescence-labelled primers that give different fragment lengths at d-loop, ddx3x and ddx3y of these three species using a dna sequencer. | 2010 | 21565122 |
| phylogenetic relationships and divergence times among mustelids (mammalia: carnivora) based on nucleotide sequences of the nuclear interphotoreceptor retinoid binding protein and mitochondrial cytochrome b genes. | phylogenetic relationships among 20 species-group taxa of mustelidae, representing mustelinae (mustela, martes, gulo), lutrinae (enhydra), and melinae (meles), were examined using nucleotide sequences of the nuclear interphotoreceptor retinoid binding protein (irbp) and mitochondrial cytochrome b genes. neighbor-joining and maximum-parsimony phylogenetic analyses on these genes separately and combined were conducted. while irbp performed better than cytochrome b in recovering more-inclusive clad ... | 2003 | 12655187 |
| genetic variation of the mhc class ii drb genes in the japanese weasel, mustela itatsi, endemic to japan, compared with the siberian weasel, mustela sibirica. | major histocompatibility complex (mhc) genes encode proteins that play a critical role in vertebrate immune system and are highly polymorphic. to further understand the molecular evolution of the mhc genes, we compared mhc class ii drb genes between the japanese weasel (mustela itatsi), a species endemic to japan, and the siberian weasel (mustela sibirica), a closely related species on the continent. we sequenced a 242-bp region of drb exon 2, which encodes antigen-binding sites (abs), and found ... | 2015 | 26593752 |
| allometric comparison of skulls from two closely related weasels, mustela itatsi and m. sibirica. | we conducted an interspecific comparison of skulls from two closely related but differently sized mustelid species, mustela itatsi and m. sibirica (mammalia, carnivora, mustelidae); a sexual comparison within the latter species showed remarkable size dimorphism. we clarified several differences in skull proportion related to size using allometric analyses and qualitative comparisons. allometric analysis revealed that the skulls of male m. itatsi (the smaller species) have a relatively long palat ... | 2011 | 21882957 |
| [histological pattern of the tongue in the japanese weasels, mustela itatsi, with special reference to the morphology and distribution of papillae, taste buds and lingual glands]. | light and scanning electron microscopical demonstrations were carried out on the tongues of adult japanese weasels (mustela itatsi). four types of papillae are present on the mucous membrane of the tongue; filiform, fungiform, vallate and foliate papillae. the vallate and foliate papillae are furnished with taste buds. three types of lingual glands are present in the tongue; mucous (weber's), serous (ebner's) and mixed glands. weber's glands are compound tubular glands which are well developed n ... | 1989 | 2801016 |
| isolation and antimicrobial susceptibilities of nontuberculous mycobacteria from wildlife in japan. | nontuberculous mycobacteria (ntm) are opportunistic pathogens of humans and animals and are transmitted among the environment, wildlife, livestock, and humans. the aim of this study was to investigate the rate of isolation and antimicrobial susceptibility of ntm in wildlife. in total, 178 samples of feces (n=131) and tissues (n=47) were collected from 11 wildlife species in gifu prefecture and mie prefecture, japan, between june 2016 and october 2018. we isolated ntm from 15.3% (20/131) of fecal ... | 2020 | 32402237 |