Chromosome numbers of some species of Salvia (Lamiaceae) from the Sichuan Province, China

Yang Zaijun; Zhang Li; Zhao HongxiaYang RuiwuDing ChunbangZhou YonghongWan Deguang

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Chromosome numbers of some species of Salvia (Lamiaceae) from the Sichuan Province, China

机译：染色体数量的一些种类的鼠尾草中国四川省(唇形科)

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The present study reports the chromosome number of 12 accessions belonging to 10 species of Salvia from the Sichuan Province in China. Most accessions have the chromosome number 2n=2x=16. However, three species (S. evansiana, S. przewalskii and S. brevilabra) are tetraploid with a chromosome number of 2n=4x=32. A B-chromosome was observed in S. tricuspis. The basic chromosome number x=8 was inferred for all accessions studied. The chromosome number of all the species was determined for the first time, except for S. evansiana, S. przewalskii, S. flava and S. miltiorrhiza. The chromosomes in this genus are mostly small (0.46-2.94 mu m). The small size of the chromosomes, together with their unclear centromeres, has hampered a detailed karyotype analysis.

机译：本研究报告的染色体数目12到达属于10种鼠尾草来自中国的四川。登记入册的染色体数目2 n = 2 x = 16。然而,三个物种(S . evansiana年代。przewalskii和美国brevilabra)是四倍体染色体数目为2 n = 4 x = 32。在美国tricuspis b染色体观察。基本染色体数目x = 8推断登记入册。物种是决定第一次除了美国evansiana przewalskii,黄色的和美国miltiorrhiza。属大多是小(0.46 - -2.94μm)。体积小的染色体,在一起他们不清楚着丝粒,阻碍了详细的核型分析。

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来源
《Nordic Journal of Botany》 |2009年第4期|287-291|共5页
作者
Yang Zaijun; Zhang Li; Zhao HongxiaYang RuiwuDing ChunbangZhou YonghongWan Deguang;
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作者单位

Pharmacy School of Chengdu Univ. of Traditional Chinese Medicine, CN–610015 Chengdu, Sichuan, China.;

College of Biology and Science, Sichuan Agricultural Univ., CN–625014 Yaan, Sichuan, China;

Key Laboratory of Crop Genetic Resources and Improvement Ministry of Education, Sichuan Agricultural Univ., CN–625014 Yaan, Sichuan, China;

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原文格式 PDF
正文语种英语
中图分类植物学;
关键词
Karyotyping; Salvia; provinceschromosome number;

机译：核型分析;鼠尾草;provinceschromosome号码;

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Chromosome numbers of some species of Salvia (Lamiaceae) from the Sichuan Province, China

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