Genetic Evidence for the Presence of Distinct Fresh-water Prawn (Macrobrachium nipponense) Populations in a Single River System

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概要

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• Genetic difference between two groups of individuals in the freshwater prawn Macro-brachium nipponense, which exhibit characteristically different egg sizes within a single river system, was examined electrophoretically and morphologically. Out of 16 prospective loci, PGM and MPI-1 were polymorphic and allelic frequencies were significantly different between the two groups in both loci. In addition, rostral tooth count (number of spines on the dorsal margin of rostrum), which is regarded to be genetically controlled on the basis of crossing experiments, varied significantly between the two groups. These facts indicate that the two groups of individuals have genetically differentiated.

• 社団法人日本動物学会の論文
• 1993-02-15

著者

• Numachi Ken-ichi

  Ocean Research Institute University Of Tokyo

• Mashiko Kazuo

  Biological Laboratory, Teikyo University

関連論文

• Genetic Evidence for the Presence of Distinct Fresh-water Prawn (Macrobrachium nipponense) Populations in a Single River System
• モツゴの乳酸脱水素酵素の遺伝的支配とサブユニット構成〔英文〕

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