| 甘蔗异染色质的研究 |
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| 引用本文： | 郑成木.甘蔗异染色质的研究[J].热带作物学报,1994,15(2):39-43. |
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| 作者姓名： | 郑成木 |
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| 作者单位： | 华南热带作物学院 海南儋州 |
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| 摘 要： | 应用Giemsa C一分带技术显示甘蔗染色体异染色质区,结果表明,甘蔗异染色质含量平均为51％。不同品种的异染色质含量差异显著。异染色质在染色体上的分布可分为4种类型,其中最基本且较稳定的类型是着丝点区域为异染色质区。完全异染色质化的染色体常是小型染色体。
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| 关 键 词： | 甘蔗 染色体 异染色质 |
STUDY ON HETEROCHROMATIN IN SUGAR CANE |
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| Zheng Chengmu.STUDY ON HETEROCHROMATIN IN SUGAR CANE[J].Chinese Journal of Tropical Crops,1994,15(2):39-43. |
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| Authors: | Zheng Chengmu |
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| Abstract: | Giemsa C-banding of chromosomes of hybrid sugarcanes shows that the heterochromatin content averaged 51%, Heterochromatin varied greatly in content between the hybrids of sngarcane, and its distribution in chromosomes might be categorized into 4 patterns. The basic and stabler heteroch-romatin sites were observed on the centromere regions of chromosomes. Chromosomes which were completely heterochromatinized were usually smaller in genomes. |
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| Keywords: | Sugarcane Chromosomes C-banding heterochromatin |
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