CYTOLOGIA
Online ISSN : 1348-7019
Print ISSN : 0011-4545
Regular Article
First Chromosome Analysis of the Humpback Cardinalfish, Fibramia lateralis (Perciformes, Apogonidae)
Wannapa KasiroekChantra IndanandaNattawut LuangoonKrit PinthongWeerayuth SupiwongAlongklod Tanomtong
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2017 年 82 巻 1 号 p. 9-15

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The first chromosome analysis and nucleolar organizer region (NOR) pattern of the humpback cardinalfish (Fibramia lateralis) were studied. Samples from 10 male and 10 female fish were collected from the Andaman Sea and Gulf of Thailand. Mitotic chromosome preparations were prepared directly from kidney tissues. Conventional and Ag-NOR staining techniques were applied to stain the chromosomes. The results showed that the diploid chromosome number of F. lateralis was 2n=46, and the fundamental numbers (NF) were 54 in both sexes. The karyotype consisted of 8 large acrocentric, 12 large telocentric, 24 medium telocentric and 2 small telocentric chromosomes. Moreover, the results indicated that the region adjacent to the telomere of the short arm of the second acrocentric chromosome pair showed clearly observable nucleolar organizer regions (NORs). Strange size chromosomes related to sex were not observed. The karyotype formula for F. lateralis is as follows:

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© 2017 The Japan Mendel Society
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