小分子热激蛋白基因在番茄花药中的转录

园艺学报 ›› 2001, Vol. 28 ›› Issue (5): 403-408.

小分子热激蛋白基因在番茄花药中的转录

刘箭¹;庄野真理子²

( ¹ 山东师范大学生物系, 济南250000; ² 日本国际农业科学研究中心, 日本石垣市907)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-10-25 发布日期:2001-10-25

Transcription of the Small Heat Shock Protein Genes in Tomato Anthers

Liu Jian¹ and Mariko Shono²

( ¹Department of Biology, Shandong Normal University, Jina n 250000; ²J apan Inter national Research Center f or Agricultural Science, Ishigaki , Okinawa , Japan 907)

Received:1900-01-01 Revised:1900-01-01 Online:2001-10-25 Published:2001-10-25

摘要/Abstract

摘要： 选择8 个耐热性不同的番茄品种种植在地处亚热带的日本最南部石垣市, 测定夏季高温环境下花粉粒的败育率, 并据此将其分成耐热型和热敏型品种, 分析高温胁迫下花药中4 类小分子热激蛋白的转录。结果表明, 番茄花药中含有组成性的细胞质小分子热激蛋白和线粒体小分子热激蛋白mRNA; 高温季节细胞质小分子热激蛋白和线粒体小分子热激蛋白基因转录明显; 热敏型番茄花药中小分子热激蛋白基因的转录高峰温度低于耐热型花药。

关键词: 小分子热激蛋白, 花粉, 败育, 高温胁迫, 番茄, 花药

Abstract: Eight tomato cultivars with different heat tolerance were planted in the subtropical area. The ratios of pollen sterile were checked in the summer. According to pollen sterility, the tomato plants were classified into two types: heat tolerant type and heat sensitive type. Meanwhile, the transcription of four types of small heat shock protein genes in tomato anthers were analyzed. The constitutive mRNA of cytosolic andmitochondrial2located small heat shock protein genes were detected in the anthers. The significant heat induced transcription of cytosolic and mitochondrial-locted sHSP genes occurred in the summer. The temperature corresponding to the sHSP transcription peak in anthers of heat sensitive cultivars was lower than that of the heat tolerance cultivars.

Key words: Small heat shock protein, Pollen, Sterility, High temperature stress, Tomato, Anther

中图分类号:

刘箭;庄野真理子. 小分子热激蛋白基因在番茄花药中的转录[J]. 园艺学报, 2001, 28(5): 403-408.

Liu Jian and Mariko Shono. Transcription of the Small Heat Shock Protein Genes in Tomato Anthers[J]. ACTA HORTICULTURAE SINICA, 2001, 28(5): 403-408.

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