A High Quality Chromosome Preparation from Cell Suspension Aggregates Culture of Coffea canephora

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The morphological similarity, relatively small size of the chromosomes and low metaphasic indexes obtained in root meristems have hindered karyotypic characterization and the application of banding techniques in <i>Coffea</i>. We have developed a method based on the use of cell suspension aggregates treated with amiprophos-methyl (APM) and macerated in enzymatic solution. This method generated cytogenetic preparations in which the chromosomes showed well-defined primary and secondary constrictions, facilitating the pairing of homologues and assembly of the karyogram, as well as the identification of active NOR and heterochromatin associated with the secondary constriction. This alternative technique could help on the analysis of other species with similar karyotypic characterization problems.

収録刊行物

  • Cytologia : international journal of cytology  

    Cytologia : international journal of cytology 71(3), 243-249, 2006-09-25 

    Japan Mendel Society, International Society of Cytology

参考文献:  29件

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各種コード

  • NII論文ID(NAID)
    10018105395
  • NII書誌ID(NCID)
    AA00622764
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00114545
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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