杉木花粉母细胞减数分裂的细胞学特性及异常现象的观察

doi:10.11707/j.1001-7488.20071106

Scientia Silvae Sinicae ›› 2007, Vol. 43 ›› Issue (11): 32-36.doi: 10.11707/j.1001-7488.20071106

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Cell Biological Characteristics and Abnormal Behavior during the Meiosis of Pollen Mother Cells in Cunninghamia lanceolata

Xu Jin,Shi Jisen,Yang Liwei,Wang Guifeng

Key Laboratory of Forest Tree Genetics and Gene Engineering of State Forestry Administration Nanjing Forestry University Nanjing210037

Received:2006-10-23 Revised:1900-01-01 Online:2007-11-25 Published:2007-11-25

Abstract

Abstract:

The chromosomal biological characteristics of 3 different clones were analysed with CMA and DAPI(fluorescent dye)during the meiosis of pollen mother cell in Cunninghamia lanceolata. Some fluorescent bands were detected in the chromosomes with CMA,but none with DAPI. In addition,some abnormal cytology behaviors,such as univalence,multivalence,chromosome bridges,lagging chromosomes,non-equivalent division,and micro-nucleus,etc. were also observed in the meiosis of pollen mother cell. At last,the relation between abnormal phenomena in meiosis of pollen mother cell and pollen sterility of C. lanceolata was discussed from cytogenetis levels.

Key words: Cunninghamia lanceolata, chromosome, meiosis, abnormal phenomena

Xu Jin;Shi Jisen;Yang Liwei;Wang Guifeng. Cell Biological Characteristics and Abnormal Behavior during the Meiosis of Pollen Mother Cells in Cunninghamia lanceolata[J]. Scientia Silvae Sinicae, 2007, 43(11): 32-36.

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Cell Biological Characteristics and Abnormal Behavior during the Meiosis of Pollen Mother Cells in Cunninghamia lanceolata

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