Morphological characteristics of the mud loach Misgurnus fossilis (L.) (Pisces: Cobitidae) from the mid Odra and Vistula river basins
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The differentiation capacity of isolated loach (Misgurnus fossilis L.) blastoderm.
Experiments on the capacity of the isolated teleost blastoderm to undergo development when cultivated in vitro have revealed species differences in the time of initiation of blastoderm differentiation. Thus the Fundulus blastoderm acquires the ability to develop after being separated from the yolk at the stage of 32 blastomeres (Oppenheimer, 1936) while the blastoderms of pike and of salmon dif...
متن کاملMorphological characteristics of visual cells in the endemic Korean loach Kichulchoia multifasciata (Pisces; Cobitidae) by microscopy.
The visual cell of the retina in the Korean loach Kichulchoia multifasciata, a bottom-dwelling freshwater loach in shallow water, contains double cones and large rods. With light microscopy, the cones form a row mosaic pattern in which the partners of double cones are linearly oriented with a large rod. In a double cone or twin cone, the two members are unequal such that one cone may be longer ...
متن کاملThe primary structure of oocyte and somatic 5S rRNAs from the loach Misgurnus fossilis.
Somatic and oocyte 5S rRNAs from the liver and unfertilized eggs of the loach (Misgurnus fossilis have been sequenced and found to differ in six nucleotides. All the substitutions are confined to the 5'-half of the molecules; 4 of them are pyrimidine-pyrimidine substitutions, and 2 are purine-pyrimidine ones. Considerable differences, both in the position and the character of substitutions, hav...
متن کاملAge, reproduction and fecundity of the spined loach Cobitis taenia L. (Pisces, Cobitidae) from Lake Klawój (Poland).
This is the first study concerning the features of the reproduction process of the karyologically identified spined loach C. taenia (2n=48). The histology of 71 ovaries, and gonadosomatic index (GSI) of karyologically identified spined loach Cobitis taenia L. from Lake Klawój (Northern Poland) were examined. The absolute and relative fecundity of 25 females was estimated by gravimetric method. ...
متن کاملAlterations in Synthesis and Repair of DNA during the Development of Loach Misgurnus fossilis
Using a modified radiolabeled primer extension method (we named this modification misGvA-"misincorporation of G versus A") we have investigated the DNA synthesis and repair at early and late stages of development of loach Misgurnus fossilis. The misincorporation activity of DNA polymerase iota (Pol ι) in wild-type loach could not be detected by this method at any stage of loach development. In ...
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ژورنال
عنوان ژورنال: Acta Ichthyologica et Piscatoria
سال: 1995
ISSN: 0137-1592,1734-1515
DOI: 10.3750/aip1995.25.2.01