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Chromosomal Localization and Heterochromatin Association of Ribosomal RNA Gene Loci and Silver-stained Nucleolar Organizer Regions in Salmonid Fishes
Ribosomal RNA gene (rDNA) loci, including those of nucleolus-forming 18S, 5.8S and 28S (major) and non-nucleolus-forming 5S (minor) rDNA, were assigned using fluorescence in situ hybridization (FISH)Expand
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Sex control and manipulation in fish
Abstract The basic nature of the greatly diversified sexualities in fish can be considered from the aspects of the control mechanisms, physiological and genetic sexes. The potencies of sex steroidsExpand
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A possible hybrid zone in the Mytilus edulis complex in Japan revealed by PCR markers
Abstract The adhesive protein allele of mussels collected at 13 points in Japan from Hokkaido to Kyushu was analyzed by the polymerase chain reaction using a set of primers which amplifies a part ofExpand
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Uniparental chromosome elimination in the early embryogenesis of the inviable salmonid hybrids between masu salmon female and rainbow trout male
Abstract.Chromosome elimination through chromosome loss and partial deletion is known to be one of the causes of embryonic inviability in some salmonid interspecific hybrids. Using fluorescence inExpand
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A releaser pheromone that attracts males in the urine of mature female masu salmon
A releaser pheromone of masu salmon Oncorhynchus masou was investigated using Y-maze behavioural experiments. During the reproductive season, urine of mature females contains a releaser pheromoneExpand
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Population structure of odd‐broodline Asian pink salmon and its contrast to the even‐broodline structure
Most of the variation (99%) of Asian odd-broodline pink salmon Oncorhynchus gorbuscha, based on data at 32 variable (46 total) allozyme loci from 35 populations, occurred within populations. TheExpand
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Geographic distribution and frequency of tumorous fishes collected from the coastal waters of Hokkaido, Japan.
The present study made clear the distribution and the frequency of tumorous flatfish and goby in the coastal waters of Hokkaido, Japan. The tumorous fish had the histological characteristic of havingExpand
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Dorsal specification in blastoderm at the blastula stage in the goldfish, Carassius auratus
The teleost dorsoventral axis cannot be morphologically distinguished before gastrulation. Previous studies by the current authors have shown that localized dorsalizing activity in the yolk cell (YC)Expand
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Genetic structure of threespine stickleback,Gasterosteus aculeatus, in Lake Harutori, Japan, with reference to coexisting anadromous and freshwater forms
Both anadromous and freshwater forms of threespine sticklebacks (Gasterosteus aculeatus) inhabit Lake Harutori on the pacific coast of eastern Hokkaido, Japan. Since the two groups of threespineExpand
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