...
首页> 外文期刊>Genetic Resources and Crop Evolution >Genome-wide analysis of plastome sequence variation and development of plastidial CAPS markers in common potato and related Solanum species
【24h】

Genome-wide analysis of plastome sequence variation and development of plastidial CAPS markers in common potato and related Solanum species

机译:全基因组分析马铃薯和相关茄科植物的质体序列变化和质体CAPS标记的发展

获取原文
获取原文并翻译 | 示例
           

摘要

The plastome sequence of the European cultivated potato, Solanum tuberosum subsp. tuberosum (tbr, GenBank accession no. DQ386163), was compared with that of S. bulbocastanum, a wild potato relative (blb, GenBank accession no. DQ347958), in order to characterize the degree and type of variability in different genomic regions, and develop molecular markers relevant to genetics, breeding and biotechnology of potato. One hundred forty-two and 251 PICs (Potentially Informative Characters) were found in coding and non-coding sequences (NCSs), respectively. Further, while variation in coding regions was almost exclusively due to nucleotide substitutions, 25% of PICs in NCSs of tbr and blb were due to indels, most of them mononucleotide or longer tandem repeats (micro and minisatellites). Four intergenic regions were selected for further analyses in other 16 tuber-bearing Solanum species. The rps16-trnQ UUG gene spacer was found to be the most variable, forty-six PICs in this region distinguishing 18 haplotypes. Analysis of haplotype relationships, based on variability in the four intergenic regions, confirmed that the most primitive species from Central America were the most distant to S. tuberosum. Finally, polymorphic sites in the same regions were used to develop a set of CAPS (Cleaved Amplified Polymorphic Sequences) markers for species/cytoplasm identification in Solanum spp.
机译:欧洲栽培马铃薯马铃薯亚种的塑性组序列。将马铃薯(tbr,GenBank登录号DQ386163)与野生马铃薯亲缘种S. bulbocastanum(blb,GenBank登录号DQ347958)进行比较,以表征不同基因组区域变异的程度和类型,以及开发与马铃薯遗传学,育种和生物技术有关的分子标记。在编码序列和非编码序列(NCS)中分别发现了142个PIC(可能是信息性字符)。此外,尽管编码区的变化几乎完全是由于核苷酸取代引起的,但tbr和blb的NCS中25%的PIC是由于插入缺失,其中多数是单核苷酸或更长的串联重复序列(微卫星和小卫星)。选择了四个基因间区域用于其他16个块茎茄属物种的进一步分析。发现rps16-trnQ UUG 基因间隔子是变化最大的,在该区域有46个PIC,可区分18个单倍型。根据四个基因间区域的变异性对单倍型关系进行分析,证实来自中美洲的最原始物种与马铃薯的距离最远。最后,使用相同区域中的多态性位点来开发一套CAPS(切分扩增多态性序列)标记,用于茄属物种中的物种/细胞质鉴定。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号