20 Result(s)
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Kenji Saitoh
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Conservation issues partly solved on “Suigenzenitanago” (Rhodeus smithii complex) impaired by the taxonomic confusion
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Reconciliation of taxonomy with laboratory fish research communities
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Open AccessRhodopsin gene copies in Japanese eel originated in a teleost-specific genome duplication
Gene duplication is considered important to increasing the genetic diversity in animals. In fish, visual pigment genes are often independently duplicated, and the evolutionary significance of such duplications...
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Open AccessLocus-specific EPIC-PCR primers for four distinct calmodulin genes of the Pacific bluefin tuna Thunnus orientalis (Temminck & Schlegel, 1844)
Nucleotide sequences of four distinct calmodulin genes (designated as CaM-A to -D) of the Pacific bluefin tuna (Thunnus orientalis) were compared. Nucleotide sequence divergence between the coding regions of four...
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Erratum to: A new resource of single nucleotide polymorphisms in the Japanese eel Anguilla japonica derived from restriction site-associated DNA
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A new resource of single nucleotide polymorphisms in the Japanese eel Anguilla japonica derived from restriction site-associated DNA
We present a new resource of single nucleotide polymorphisms (SNPs) in the Japanese eel Anguilla japonica, a catadromous eel species distributed along the west Pacific margin. We used the restriction site-associa...
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Sequencing and analysis of the complete organellar genomes of Parmales, a closely related group to Bacillariophyta (diatoms)
We sequenced the complete plastid and mitochondrial genomes of the unicellular marine phytoplankton Triparma laevis, belonging to the order Parmales (Heterokonta). The cells of Parmales are surrounded by silicifi...
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Development of 15 polymorphic microsatellite markers for the shortfin mako, Isurus oxyrinchus, and cross-species amplification in lamniforme sharks
The shortfin mako (Isurus oxyrinchus, Lamniformes) is one of common sharks caught incidentally by tuna longline and drift net fisheries in the tropical and temperate waters. However, their genetic diversity and p...
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Automated screening and primer design of fish microsatellite DNA loci on pyrosequencing data
In recent years, massive sequencing approaches have allowed us to determine genomic structures of various organisms rapidly, raising novel applicability of the high-throughput sequence data obtained to various...
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Characterization of 12 polymorphic microsatellite DNA loci in the blue shark, Prionace glauca, isolated by next generation sequencing approach
Genetic markers estimating the genetic diversity and population structure of the blue shark (Prionace glauca, Carcharhinidae) have been limited, although this species is one of the most common fishes caught incid...
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Open AccessEvolutionary history of Otophysi (Teleostei), a major clade of the modern freshwater fishes: Pangaean origin and Mesozoic radiation
Freshwater harbors approximately 12,000 fish species accounting for 43% of the diversity of all modern fish. A single ancestral lineage evolved into about two-thirds of this enormous biodiversity (≈ 7900 spp.)...
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Genetic structure in species with shallow evolutionary lineages: a case study of the rare flatfish Verasper variegatus
We examined the genetic population divergence of the spotted halibut Verasper variegatus. A previous report suggested two conservation units for this species along the Japanese Pacific coast. Extending the covera...
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Genetic identification of fish eggs collected in Sendai Bay and off Johban, Japan
Mitochondrial DNA ty** of 52 fish eggs collected in Sendai Bay and off Johban revealed ten haplotypes of the 225–251 bp region of 16S ribosomal DNA. Comparing with known sequences of fishes, we identified th...
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Microsatellite markers for a rare species of right-eye flounder Verasper variegatus (Pleuronectiformes, Pleuronectidae)
In the context of stock enhancement for aquatic animals, the risk of negative genetic impacts of releasing hatchery-produced seedlings upon the genetic diversity of indigenous recipient populations becomes a g...
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Stock structure of Japanese flounder inferred from morphological and genetic analyses
Stock structure of Japanese flounder Paralichthys olivaceus has been inferred mainly from either morphological or genetic analyses. However, because the results of both analyses did not always agree with each oth...
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New primers for amplifying and sequencing the mitochondrial ND4/ND5 gene region of the Cypriniformes (Actinopterygii: Ostariophysi)
We provide 15 new primers for amplifying and sequencing the mitochondrial ND4/ND5 gene region of the Cypriniformes in an attempt to resolve relationships of this diverse group of freshwater fishes with extensi...
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Identification of Undaria pinnatifida and Undaria undarioides Laminariales, Phaeophyceae using mitochondrial 23S ribosomal DNA sequences
Mitochondrial 23S ribosomal (r) DNA were sequenced from two Undaria species. The 23S rDNA from seven Undaria pinnatifida individuals were 2707 bp in length, whereas the 23S rDNA from four Undaria undarioides indi...
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Mitochondrial Genomics of Ostariophysan Fishes: Perspectives on Phylogeny and Biogeography
Abstract
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Morphological diagnoses of the Japan Adult Leukemia Study Group acute myeloid leukemia protocols: Central review
A morphological review system of the Japan Adult Leukemia Study Group has developed from the AML-87 through the AML-92 experience.We reviewed 1427 (90%) of 1592 cases enrolled in the AML-87, -89, or -92 protoc...
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Reproductive and habitat isolation between two populations of the striated spined loach
This study deals with ecological differences influencing reproductive isolation between two sympatric populations, the small and middle forms, of the striated spined loach. As natural hybrids are rare, isolati...
