Prime-InDel version 1: A web tool providing InDel markers for targeted regions narrowing
Lei, Y.; Myo Thu, K.; Zhou, Z.; Xu, L.; Wang, C.; Liu, T.; Meng, L.; Yang, D.; Faruquee, M.; Liu, D.; Zhao, Y.; Zhao, X.; Chen, H.; Li, Z.; Wang, W.; Xu, J.; Zheng, T.
Show abstract
While high-density SNP genotyping enables genome-wide assays in rice (Oryza sativa L.) and other crops, PCR-based markers--particularly those derived from insertion-deletion (InDel) variations--remain crucial for fine-mapping. Currently, readily available primer information for high-density InDel rice markers is still limited. We present the first version of PrimeInDel (https://rfgb.rmbreeding.cn/search/variation/primeIndel), an online tool integrating three sets of InDel markers: an 8K-set and a 316K-set from the 3K Rice Genomes (3K-RG) project, and a 22K-set compiled from published literatures. In user cases, primers from PrimeInDel proved highly effective, narrowing a cold-tolerance QTL (qSR2) from 2.7 Mb to 200 kb and a heading-date QTL (qDeh1.1) from 239.5 kb to 83.6 kb. Our work provides the community with a robust, PCR-based InDel primer, accessible via an online data set, which will facilitate germplasm genotyping and gene identification in rice breeding.
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