Abstract
This study examined 63 tree peony specimens, consisting of 3 wild species and 63 cultivars, using sequence-related amplified polymorphism (SRAP) markers for the purpose of detecting genomic polymorphisms. Bulk DNA samples from each specimen were evaluated with 23 SRAP primer pairs. Among the 296 different amplicons, 262 were polymorphic. The maximum parsimony, neighbor-joining, and unweighted pair-group method using arithmetic average trees were largely in congruence. In the three trees, the wild species Paeonia ludlowii and P. delavayi formed separate clusters with strong bootstrap support, and P. ostii was closely related to all cultivars. The cultivars were divided into groups with various corresponding bootstrap values. The genetic similarity among the genotypes ranged from 0.02 to 0.73. These results demonstrate that SRAP markers are effective in detecting genomic polymorphisms in the tree peony and should be useful for linkage map construction and molecular marker assisted selection breeding.
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Acknowledgments
This work was supported by the National High Technology Research and Development Program of China (863 Program) (Grant No. 2006AA100109), the Knowledge Innovation Program of the Chinese Academy of Sciences (KSCX2–YW-Z-064), and the Pilot Research Program of the Institute of Botany, CAS. The authors thank Prof. Hong-Jie Li for his kind help. The authors also thank Xia Tao and Cheng Li-Bao for their technical instruction. The authors also thank the members of the Physiology and Genetic Breeding of Ornamental Plants Research Group, IBCAS, for their kind help.
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10528_2007_9140_MOESM1_ESM.xls
S1. Mean genetic similarity (Nei and Li 1979) among 66 tree peonies based on SRAP analysis. 1 ‘Fang Ji’, 2 ‘Wu Da Zhou’, 3 ‘Hua Jing’, 4 ‘Shou An Hong’, 5 ‘Hu Chuan Han’, 6 ‘Jin Yu Jiao Zhang’, 7 ‘Hua Wang’, 8 ‘Yao Huang’,9 ‘Jin Huang’, 10 ‘Yu Ban Bai’, 11 ‘Yu Pan Tuo Jin’, 12 ‘Feng Wei’, 13 ‘P. ludlowii’, 14 ‘P. delavayi’, 15 ‘Feng Dan’, 16 ‘Shu Hua Zi’, 17 ‘Chu Wu’, 18 ‘Zhao Fen’, 19 ‘Yin Bai He’, 20 ‘Yao Chi Jiu Nu’, 21 ‘Mu Ai’, 22 ‘Que Hao’, 23 ‘P. ostii’, 24 ‘Bai Wang Shi Zi’, 25 ‘Jing Yu’, 26 ‘Bai He Liang Chi’, 27 ‘Xue Zhong Song Tan’, 28 ‘Yu Ban Xiu Qiu’, 29 ‘Chun Hong Jiao Yan’, 30 ‘Zhong Chuan Fen’, 31 ‘Qing Chun’,32 ‘Hong Lian’, 33 ‘Han Ying Shi Zi’, 34 ‘Zui Xi Shi’, 35 ‘Shao Nu Qun’, 36 ‘Gui Fei Cha Cui’, 37 ‘Shan Hua Lan Man’, 38 ‘Fu Gui Hong’, 39 ‘Bai Yuan Chun’, 40 ‘Yu Yi Huang’, 41 ‘Huang Hua Kui’, 42 ‘Jin Dao1’, 43 ‘Tai Ping Hong Dan’, 44 ‘Tai Ping Hong Chong’, 45 ‘Jin Dao2’, 46 ‘Jin Zhi’, 47 ‘Ge Jin Zi’, 48 ‘Pan Zhong Qu Guo’, 49 ‘Jiu Zui Yang Fei’, 50 ‘Qi Bao Dian’, 51 ‘Guan Shi Mo Yu’, 52 ‘Ru Hua Si Yu’, 53 ‘Hu Lan’, 54 ‘Dao Da Chen’, 55 ‘Bai Yu Bing’, 56 ‘Hai Huang’, 57 ‘Jin Ge’, 58 ‘Zhu Sha Lei’, 59 ‘Yan Long Zi’, 60 ‘Huo Lian Jin Dan’, 61 ‘Hong Zhu Nu’, 62 ‘Jia Ge Jin Zi’, 63 ‘Zi Guang Ge’, 64 ‘Qing Luo’, 65 ‘Luo Yang Hong’, 66 ‘Tai Yang’. (XLS 36 kb)
10528_2007_9140_MOESM2_ESM.doc
S2. UPGMA dendrogram of genetic relationships among 66 tree peony genotypes, calculated on the basis of genetic similarity analysis by means of 23 SRAP primer pairs. Bootstrap values over 50 are indicated above the branch; based on 1,000 resamplings of the data set. (DOC 183 kb)
10528_2007_9140_MOESM3_ESM.doc
S3. A maximum parsimony tree (one of 1,934 trees) among 66 tree peony genotypes, calculated on PAUP 4.0b10 by means of 23 SRAP primer pairs. Bootstrap values over 50 are indicated above the branch; based on 1,000 resamplings of the data set. (DOC 181 kb)
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Han, X.Y., Wang, L.S., Shu, Q.Y. et al. Molecular Characterization of Tree Peony Germplasm Using Sequence-Related Amplified Polymorphism Markers. Biochem Genet 46, 162–179 (2008). https://doi.org/10.1007/s10528-007-9140-8
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DOI: https://doi.org/10.1007/s10528-007-9140-8