Biochemical‐genetic relationships among Asian and European dogs and the ancestry of the Japanese native dog

Tanabe, Yuji; Ota, Kei; S, Itó; Hashimoto, Yoshiaki; Sung, Yeong Yik; Ryu, Ji Young; Faruque, Mohammad Omar

doi:10.1111/j.1439-0388.1991.tb00207.x

Cited by 24 publications

(31 citation statements)

References 19 publications

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“…However, we found no clades or haplotypes specific for certain dog breeds, consistent with the results of Okumura et al (1996). Tanabe et al (1991) suggested that Japanese dogs were derived from influxes from two distinct routes; one from Southwest Asia, and the other from the northwest through the Korean peninsula. Our present results are not consistent with this suggestion, because Japanese native dog breeds could not be delimited as distinct breeds.…”

Section: Discussionsupporting

confidence: 78%

“…Despite such a large number of extant breeds, only a few reports have been published about the genetic backgrounds or genetic variations among the breeds. For example, Tanabe et al (1991) analyzed 25 blood protein loci, using approximately 3,000 individual dogs of 40 breeds, including Japanese, Asian, and European dog breeds, and showed that the dogs maintained low genetic variations among the populations. Those authors also suggested that most modern Japanese dogs have been affected by two major genetic components which were brought to Japan from Southeast Asia about 10,000 years ago and from the northwest through the Korean peninsula about 1,700~2,300 years ago (Tanabe, 1990(Tanabe, , 1991Tanabe et al, 1991;Fujise et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

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Extensive interbreeding occurred among multiple matriarchal ancestors during the domestication of dogs: Evidence from inter- and intraspecies polymorphisms in the D-loop region of mitochondrial DNA between dogs and wolves.

et al. 1997

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To test the hypothesis that the domestic dogs are derived from several different ancestral gray wolf populations, we compared the sequence of the displacement (D)-loop region of the mitochondrial DNA (mtDNA) from 24 breeds of domestic dog (34 individual dogs) and 3 subspecies of gray wolf (Canis lupus lupus, C. l. pallipes and C. l. chanco; 19 individuals). The intraspecific sequence variations within domestic dogs (0.00~3.19%) and within wolves (0.00~2.88%) were comparable to the interspecific variations between domestic dogs and wolves (0.30~3.35%). A repetitive sequence with repeat units (TACACGTA/GCG) that causes the size variation in the Dloop region was also found in both dogs and wolves. However, no nucleotide substitutions or repetitive arrays were specific for domestic dogs or for wolves. These results showed that there is a close genetic relationship between dogs and wolves. Two major clades appeared in the phylogenetic trees constructed by neighbor-joining and by the maximum parsimony method; one clade containing Chinese wolf (C. l. chanco) showed extensive variations while the other showed only slight variation. This showed that there were two major genetic components both in domestic dogs and in wolves. However, neither clades nor haplotypes specific for any dog breed were observed, whereas subspecies-specific clades were found in Asiatic wolves. These results suggested that the extant breeds of domestic dogs have maintained a large degree of mtDNA polymorphisms introduced from their ancestral wolf populations, and that extensive interbreedings had occurred among multiple matriarchal origins.

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Section: Discussionsupporting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Extensive interbreeding occurred among multiple matriarchal ancestors during the domestication of dogs: Evidence from inter- and intraspecies polymorphisms in the D-loop region of mitochondrial DNA between dogs and wolves.

et al. 1997

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“…Shiba is the common name of a Japanese indigenous small-sized dog breed. Although three varieties, the Shinshu-Shiba (Nagano Prefecture), Mino-Shiba (Gifu and Nagano Prefectures) and San'in-Shiba (Tottori and Shimane Prefectures), have been established [17], the particular source(s) of our Shiba samples were unknown.…”

Section: Methodsmentioning

confidence: 99%

Allelic Variation of the D4 Dopamine Receptor Polymorphic Region in Two Dog Breeds, Golden Retriever and Shiba.

Niimi

Inoue‐Murayama

Murayama

et al. 1999

The Journal of Veterinary Medical Science

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ABSTRACT. The D4 dopamine receptor (D4DR) polymorphic region, which is possibly related to the personality trait known as novelty seeking in humans, was examined in 34 dogs from two breeds (Golden retriever and the Japanese indigenous breed, Shiba) by the polymerase chain reaction (PCR), and the DNA sequences of each allele were determined. The polymorphic region of the dog D4DR gene was composed of 39-and 12-base pair (bp) units, and four alleles (A-D) were identified based on the number and/or order of these units. Intra-and inter-breed allele variations were observed. The frequency of the short A allele was dominant (78.9%) in the Golden retriever, while the long D allele was most common (46.7%) in the Shiba. These findings suggested that the allele frequency varied significantly between different breeds, and that analysis of the polymorphism in D4DR might be of use for understanding the behavioral traits of dogs.-KEY WORDS: breed, canine, D4 dopamine receptor, polymorphism, repetitive sequence.

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“…The dog (Canis familiaris), is the oldest domestic animal, originally domesticated in the pre-agricultural age between 14,000 and 12,000 years ago (Turnbell and Reed, 1974;Tanabe et al, 1991). The dogs are one of the most diverse domestic species.…”

Section: Introductionmentioning

confidence: 99%

A Study on Morphology and Behavior of the Sapsaree : A Korean native dog (Canis familiaris)

Han¹,

Alam²,

Lee³

et al. 2010

Journal of Animal Science and Technology

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This study was conducted to characterize the morphological and behavior patterns of Sapsaree dogs. The population (n=8,256) has been constructed since 1990 over 12 generations and managed at the Sapsaree Breeding Research Institute, Gyeongsan, Gyeongbuk province. Eighteen morphological and seven behavioral traits were investigated for 882 individuals. Linear models were applied for each trait by fitting sex, season of birth, hair color or test age. The averages of body weight, body length, body height, and depth of chest were 20.5±2.4 kg, 57.3±4.2 cm, 52.1±3.6 cm, and 21.1±2.4 cm, respectively. Males had greater estimated values than females for these body conformation traits. The chocolate Sapsarees had greater averages for body weight, body height and chest depth. The older animals (>2 years) had heavier body weight than younger animals. About 54, 69, 97, 39 and 83.3% of the Sapsarees had hairs with yellow color, straight, medium to long, untangled, and longer around eyes, respectively. Also, about 40% brown eye, 43% curly tail, 78% normal jaw, 86% no missing teeth, 90% no dewclaw, and >90% with black nose, pendent ear, tongue without spots were observed. About 95% males were normal in testicles state. The males performed significantly better than the females for majority of the behavioral traits. For nerve stability, affability, wariness, adaptability, sharpness, activity, and reaction during blood drawn about 79%, 73%, 76%, 61%, 70%, 48% and 81% of the Sapsarees performed at desired level. In general, the Sapsarees showed good characteristics for both morphological and behavioral traits, which can be exploited to use the Sapsaree breed as a companion or guide dog.

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Biochemical‐genetic relationships among Asian and European dogs and the ancestry of the Japanese native dog

Cited by 24 publications

References 19 publications

Extensive interbreeding occurred among multiple matriarchal ancestors during the domestication of dogs: Evidence from inter- and intraspecies polymorphisms in the D-loop region of mitochondrial DNA between dogs and wolves.

Extensive interbreeding occurred among multiple matriarchal ancestors during the domestication of dogs: Evidence from inter- and intraspecies polymorphisms in the D-loop region of mitochondrial DNA between dogs and wolves.

Allelic Variation of the D4 Dopamine Receptor Polymorphic Region in Two Dog Breeds, Golden Retriever and Shiba.

A Study on Morphology and Behavior of the Sapsaree : A Korean native dog (Canis familiaris)

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