"SYSTEMATIC AND EVOLUTIONARY GENETIC STUDIES OF CHINESE DROSOPHILA"

“中国果蝇的系统和进化遗传研究”

• 批准号: 63043060
• 负责人: KITAGAWA Osamu
• 金额: $ 1.28万
• 依托单位: Tokyo Metropolitan University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Overseas Scientific Research
• 财政年份: 1988
• 资助国家: 日本
• 起止时间: 1988 至 无数据
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-63043060/
• 关键词: China; Drosophilid flies; Taxonomy; 進化遺伝学

Using drosophilid flies collected in China by collaboration with Chinese scientists, we got following results:1. Classification of flies: We recorded 200 different species in total, including more than thirty new species. We also have about 100 speciments which are undescribed new species. Moreover, we are still keeping more than 30,000 dead-specimens in Guangzhou and in Kunming.2. Metaphase karyotype analyses: The karyotype of D. albomicans collected in Kunming have the Asian-Continent type, that is, the short 4th chromosomes. We found supernumerary chromosomes, so-called Bchromosomes in 70% of lines. This is a extremely high frequency comparing with other East-Asian populations.3. Mitochondrial DNA variations: We analysed the cleavage map of mtDHA using restriction endonucleases of D. albomicans collected in Guangzhou. One type is similar to that of the Japanese strains.

使用与中国科学家合作在中国收集的果蝇蝇，我们得到了以下结果：1。果蝇的分类：我们记录了200种不同的物种，包括三十多种新物种。我们还有大约100个未描述的新物种的标本。此外，我们仍在广州和昆明（Kunming.2）保持超过30,000个死亡。中期核型分析：收集在昆明的白色念珠菌的核型具有亚洲 - 碳的类型，即短的第四染色体。我们发现了70％的线条中所谓的bchromosomes。与其他东亚人口相比，这是一个极高的频率。3。线粒体DNA变异：我们使用在广州收集的白obomicans的限制性核酸内切除核酸酶进行了MTDHA的裂解图。一种类型与日本菌株相似。

项目成果

Tan,C.C.; Kitagawa,O.; Gan,Y.X.; Okada,T.; Chen,H.Z.; Toda,M.J.; Peng,T.X.: "A catalog of Drosophilidae (Diptera) of mainland China." Zoological Science. Vol.7. (1990)

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