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题名: Karyotypic studies on Campanumoea (Campanulaceae)-endemic to China
作者: Zhang, Yun-Feng1, 3; Zhang, Chun-Yong1; Zhang, Ting2; Guang, Hui-Ling4
刊名: GENETIC RESOURCES AND CROP EVOLUTION
关键词: Campanumoea ; Chromosomal rearrangement ; Herb plant ; Karyotype
英文摘要: Radix Campanumoeae (C. javanica Bl.) has been used in Miao herbal medicine to treat neurasthenia and consumptive disease for hundreds of years. Though Radix Campanumoeae shows great potential for utilization in medical studies, this herb crop has not been cultivated industrially in China. Many species in the Campanumoea genus are similar in phenotype; therefore, a karyotypic study would prove useful for clearly distinguishing Radix Campanumoeae from related species within the same genus, for germplasm preservation and for breeding Radix Campanumoeae. 10 accessions of four species in this genus and 5 accessions in 5 relative genera from SCSB were used for karyotype determination. The results showed a karyotype of 2n = 16 = 2m + 12sm + 1st in Campanumoea, and a karyotype of 2n = 18 = 6 m + 12sm in Cyclocodon. Based on the chromosome number and the karyotypic formula, we suggest that the Campanumoea genus can be divided into two genera, which is in agreement with results observed from pollen morphology and from homological usage in Chinese herbal medicine. The chromosome length in C. javanica subsp. javanica and C. javanica subsp. japonica Makino, ranged from 2.24 to 1.38 mu m and 2.04 to 1.31 mu m, respectively; and their haploid sets were almost identical (13.15 and 13.16 mu m, respectively). This indicates that chromosomal rearrangements occur within chromosomes IV, V and VII without a net gain or loss of genetic material.
出版日期: 2011-03-01
卷号: 58, 期号:3, 页码:461-470
DOI标识: 10.1007/s10722-010-9655-4
语种: 英语
收录类别: SCI
学科分类: Agriculture; Plant Sciences
ISSN号: 0925-9864
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/5229
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Yunnan Normal Univ, Sch Biol Sci, Kunming 650092, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
3.Minist Educ, Sustainable Dev & Utilizat Bioenergy Engn Res Ct, Kunming 650092, Peoples R China
4.Yunnan Normal Univ, Coll Energy Sources & Environm, Kunming 650092, Peoples R China

Recommended Citation:
Zhang, YF; Zhang, CY; Zhang, T; Guang, HL.Karyotypic studies on Campanumoea (Campanulaceae)-endemic to China,GENETIC RESOURCES AND CROP EVOLUTION,2011,58(3):461-470
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