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Development of InDel markers for Brassica rapa based on whole-genome re-sequencing.

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Title: Development of InDel markers for Brassica rapa based on whole-genome re-sequencing.
Authors: Liu, Bo1 lb_bobo@yahoo.cn, Wang, Yan1, Zhai, Wen1, Deng, Jie1, Wang, Hui1, Cui, Yang1, Cheng, Feng1, Wang, Xiaowu1, Wu, Jian1 wujian@caas.net.cn
Source: Theoretical & Applied Genetics. Jan2013, Vol. 126 Issue 1, p231-239. 9p.
Subjects: Brassica, Biomarkers, Plant genomes, Genetic polymorphisms, Polymerase chain reaction, Botany experiments
Abstract: Genome-wide detection of short insertion/deletion length polymorphisms (InDels, <5 bp) in Brassica rapa (named the A genome) was performed by comparing whole-genome re-sequencing data from two B. rapa accessions, L144 and Z16, to the reference genome sequence of Chiifu-401-42. In total, we identified 108,558 InDel polymorphisms between Chiifu-401-42 and L144, 26,795 InDels between Z16 and Chiifu-401-42, and 26,693 InDels between L144 and Z16. From these, 639 InDel polymorphisms of 3-5 bp in length between L144 and Z16 were selected for experimental validation; 491 (77 %) yielded single PCR fragments and showed polymorphisms, 7 (1 %) did not amplify a product, and 141 (22 %) showed no polymorphism. For further validation of these intra-specific InDel polymorphisms, 503 candidates, randomly selected from the 639 InDels, were screened across seven accessions representing different B. rapa cultivar groups. Of these assayed markers, 387 (77 %) were polymorphic, 111 (22 %) were not polymorphic and 5 (1 %) did not amplify a PCR product. Furthermore, we randomly selected 518 InDel markers to validate their polymorphism in B. napus (the AC genome) and B. juncea (the AB genome), of which more than 90 % amplified a PCR product; 132 (25 %) showed polymorphism between the two B. napus accessions and 41 (8 %) between the two B. juncea accessions. This set of novel PCR-based InDel markers will be a valuable resource for genetic studies and breeding programs in B. rapa. [ABSTRACT FROM AUTHOR]
Copyright of Theoretical & Applied Genetics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Development of InDel markers for Brassica rapa based on whole-genome re-sequencing.
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  Data: Genome-wide detection of short insertion/deletion length polymorphisms (InDels, &lt;5 bp) in Brassica rapa (named the A genome) was performed by comparing whole-genome re-sequencing data from two B. rapa accessions, L144 and Z16, to the reference genome sequence of Chiifu-401-42. In total, we identified 108,558 InDel polymorphisms between Chiifu-401-42 and L144, 26,795 InDels between Z16 and Chiifu-401-42, and 26,693 InDels between L144 and Z16. From these, 639 InDel polymorphisms of 3-5 bp in length between L144 and Z16 were selected for experimental validation; 491 (77 %) yielded single PCR fragments and showed polymorphisms, 7 (1 %) did not amplify a product, and 141 (22 %) showed no polymorphism. For further validation of these intra-specific InDel polymorphisms, 503 candidates, randomly selected from the 639 InDels, were screened across seven accessions representing different B. rapa cultivar groups. Of these assayed markers, 387 (77 %) were polymorphic, 111 (22 %) were not polymorphic and 5 (1 %) did not amplify a PCR product. Furthermore, we randomly selected 518 InDel markers to validate their polymorphism in B. napus (the AC genome) and B. juncea (the AB genome), of which more than 90 % amplified a PCR product; 132 (25 %) showed polymorphism between the two B. napus accessions and 41 (8 %) between the two B. juncea accessions. This set of novel PCR-based InDel markers will be a valuable resource for genetic studies and breeding programs in B. rapa. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Theoretical &amp; Applied Genetics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Text: English
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