Aegilops mutica Boiss. の異なる組織間に見られるB染色体数の相違 Distinct numerical variation of B-chromosomes among different tissues in Aegilops mutica Boiss

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This is the first report on the numerical variation of B-chromosomes (Bs) in <i>Aegilops mutica</i> based on the detailed cytological observations in different tissues of the same individuals. A total of 30 plants with 0B to 4Bs were examined in the seminal roots, adventitious roots, shoot apices and/or pollen mother cells (PMCs). Bs were stably found in the shoot apices and PMCs, while they were almost entirely absent from both the seminal and adventitious roots. Judging from this result, it was concluded that Bs of <i>Ae. mutica</i> were stably maintained in the germ line cells from fertilization to the beginning of meiosis. Further, it was suggested that they were eliminated during one or a few cell divisions at a specific stage of root differentiation, probably at an early stage of embryogeny for seminal roots and at an early stage of differentiation of adventitious roots from a central cylinder.<br>

収録刊行物

  • The Japanese journal of genetics  

    The Japanese journal of genetics 70(1), 93-101, 1995-02-25 

    Genetics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002506967
  • NII書誌ID(NCID)
    AA00690924
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0021504X
  • NDL 記事登録ID
    3602604
  • NDL 刊行物分類
    RA27;RB42
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z18-23
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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