Geographic population structure and sequence divergence in the mitochondrial DNA control region of the Japanese wild boar (Sus scrofa leucomystax), with reference to those of domestic pigs

Okumura, Naohiko; Ishiguro, Naotaka; Nakano, Masuo; Hirai, Katsuya; Matsui, Akira; Sahara, Makoto

doi:10.1007/bf00553665

Cited by 21 publications

(19 citation statements)

References 18 publications

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“…No doubt they belong to the European genetic cluster, but in itself this would tell us nothing-further work might be revealing. Within Japanese wild boar, there is considerable local geographical variability (Okumura et al 1996). If such variability were also present in Europe, populations east and west of the Baltic Sea might show differences.…”

Section: Population History: Genetics and Geometric Morphometricsmentioning

confidence: 98%

Distinguishing Wild Boar from Domestic Pigs in Prehistory: A Review of Approaches and Recent Results

2012

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New methods permit archaeologists to distinguish between wild boar and domestic pigs with greater confidence than has been hitherto possible. Metrical methods are the most commonly used; these are reviewed. Assemblages containing a wider range of measurements (as measured by the coefficient of variation [V]) than is found in one population suggest that two populations of different-sized pigs were present, probably indicating separate wild and domestic populations with little or no interbreeding. These assemblages, sometimes taken to indicate animals 'intermediate' between wild and domestic, are clear evidence of full domestication. Other traditional means of diagnosing domestication based on age at death (the killing of many young animals) and biogeography (the export of the animal beyond its natural range, especially to islands) are particularly problematic when applied to pigs. New methods include the frequency of Linear Enamel Hypoplasia, which may increase due to domestication-induced stress, the study of diet through isotopes and dental microwear, and the examination of population histories through ancient and modern DNA and geometric morphometrics. These are all promising but should not be considered in isolation: many problems remain.

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Section: Population History: Genetics and Geometric Morphometricsmentioning

confidence: 98%

Distinguishing Wild Boar from Domestic Pigs in Prehistory: A Review of Approaches and Recent Results

2012

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“…in several spots in Asia and Europe (Larson et al, 2005) and domesticated pigs were subjected to human-mediated translocations (Larson et al, 2007). Chinese domestic pigs have been reported to have taken part in the formation of European domestic pig breeds in early 18~19th centuries to improve a litter size and quality of meat texture (Jones, 1998;Okumura et al, 1996;Guiffra et al, 2000;Kim et al, 2002;Alves et al, 2003;Watanobe et al, 2004). Recently, using the whole mtDNA sequence of East Asian domestic pigs, Chinese wild boars were identified as having been independently domesticated around the midstream and downstream area of the Mekong and the Yangtze rivers, from where they dispersed out to Northeast Asia (Wu et al, 2007;Larson et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Characterization of the European type of maternal lineage evident in extant Jeju native pigs

et al. 2011

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Using a partial D-loop sequence of mtDNA, an intensive analysis was conducted of the maternal lineages of Jeju native pigs (JNPs) from Korea. In total, 100 mtDNA sequences were obtained from Asian wild boars (AWBs), European wild boars (EWBs), Asian domestic pigs (ADPs), European domestic pigs (EDPs), and JNPs and were used for phylogeny and network analyses. Two distinct JNP groups -one (JNPA) in the Asian cluster and the other (JNPE) in the European cluster -were identified in the estimated phylogenetic tree and network. The maternal lineage of JNPE was the closest to that of EWB and a clear haplogroup was identified that shared an identical haplotype (hap04) among 15 individuals of JNPE and 2 individuals of EWB. A Landrace and an EWB shared hap03 with a JNPE. EWB, Landrace, Large White, and Duroc formed two clear haplogroups with JNPE in a parsimonious medianjoining network analysis, suggesting that an obvious maternal contribution of EDP has occurred in JNPE in recent years. A pair-wise mismatch analysis also indicated that JNPE may have experienced a sudden population expansion, suggesting a more recent establishment compared with the gradual popThe first two authors, BWK and ICC, contributed equally to this work. ulation expansion of JNPA. The JNPE group therefore should be further evaluated in order to decide whether this group should be culled or accepted into further programs for maintenance of the JNP population as a pure breed.

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“…Molecular genetic analyses using mtDNA hapotypes showed Japanese wild boars are different from European and Asian wild boars and domestic pigs, and they have a population structure including many characteristic local populations (Okumura et al, 1996;Watanobe et al, 1999). The phylogeographic status of Japanese wild boars may provide useful information to trace artificial migrations or the release of feral or breeding wild boars by humans.…”

Section: Introductionmentioning

confidence: 98%

“…Recently we examined the genetic relationship between Japanese wild boar and Ryukyu wild boar populations and Asian and European domestic pigs by comparing their mitochondrial DNA (mtDNA) control region and cytochrome b gene sequences (Okumura et al, 1996;Watanobe et al, 1999). Molecular genetic analyses using mtDNA hapotypes showed Japanese wild boars are different from European and Asian wild boars and domestic pigs, and they have a population structure including many characteristic local populations (Okumura et al, 1996;Watanobe et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

A Genetic Method to Distinguish Crossbred Inobuta from Japanese Wild Boars

et al. 2002

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To distinguish pig-wild boar crossbred Inobuta from Japanese wild boar populations, a genetic method by using mitochondrial DNA (mtDNA) haplotypes and the nuclear glucosephosphate isomerase-processed pseudogene (GPIP) was developed. Sixteen mtDNA haplotypes from 152 wild boars from Kyushu, Shikoku and Honshu islands of Japan were distinct from those from Asian and European domestic pigs. Five alleles of GPIP were classified into two groups: 1). alleles GPIP*1, GPIP*3 and GPIP*3a from Japanese wild boars, Asian wild boars and domestic pigs; 2). alleles GPIP*4 and GPIP*4a from European wild boars and domestic pigs. An extensive genetic survey was done to distinguish the crossbred Inobuta from 60 wild boars hunted on Tsushima Island, Goto Islands, and Nagasaki and Ooita Prefectures. The mtDNA haplotypes from the 60 samples showed Japanese wild boars, but four wild boar samples from Nagasaki Prefecture had the European GPIP allele, GPIP*4. These results showed that nuclear DNA polymorphism analysis is useful, in addition to mtDNA haplotype assay, to detect "Inobuta" having the European genotype from Japanese wild boar populations.

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Geographic population structure and sequence divergence in the mitochondrial DNA control region of the Japanese wild boar (Sus scrofa leucomystax), with reference to those of domestic pigs

Cited by 21 publications

References 18 publications

Distinguishing Wild Boar from Domestic Pigs in Prehistory: A Review of Approaches and Recent Results

Distinguishing Wild Boar from Domestic Pigs in Prehistory: A Review of Approaches and Recent Results

Characterization of the European type of maternal lineage evident in extant Jeju native pigs

A Genetic Method to Distinguish Crossbred Inobuta from Japanese Wild Boars

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