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Genome-Wide Identification and Transferability of Microsatellite Markers between Palmae Species

文献类型： 外文期刊

作者： Xiao, Yong 1 ; Xia, Wei 1 ; Ma, Jianwei 1 ; Mason, Annaliese S. 3 ; Fan, Haikuo 1 ; Shi, Peng 1 ; Lei, Xintao 1 ; Mao, Zi 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Coconut Res Inst, Hainan Key Lab Trop Oil Crops Biol, Wenchang, Peoples R China

2.Hainan Univ, Coll Agr, Haikou, Peoples R China

3.Univ Giessen, IFZ Res Ctr Biosyst Land Use & Nutr, Dept Plant Breeding, Giessen, Germany

4.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou, Peoples R China

关键词： palm;Elaeis guineensis;Phoenix dactylifera;microsatellite;cross-genera transferability

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.753； 五年影响因子：6.612 ）

ISSN： 1664-462X

年卷期： 2016 年 7 卷

页码：

收录情况： SCI

摘要： The Palmae family contains 202 genera and approximately 2800 species. Except for Elaeis guineensis and Phoenix dactylifera, almost no genetic and genomic information is available for Palmae species. Therefore, this is an obstacle to the conservation and genetic assessment of Palmae species, especially those that are currently endangered. The study was performed to develop a large number of microsatellite markers which can be used for genetic analysis in different Palmae species. Based on the assembled genome of E. guineensis and P. dactylifera, a total of 814 383 and 371 629 microsatellites were identified. Among these microsatellites identified in E. guineensis, 734 509 primer pairs could be designed from the flanking sequences of these microsatellites. The majority (618 762) of these designed primer pairs had in silico products in the genome of E. guineensis. These 618 762 primer pairs were subsequently used to in silico amplify the genome of F. dactylifera. A total of 7 265 conserved microsatellites were identified between E. guineensis and P. dactylifera. One hundred and thirty-five primer pairs flanking the conserved SSRs were stochastically selected and validated to have high cross-genera transferability, varying from 16.7 to 93.3% with an average of 73.7%. These genome-wide conserved microsatellite markers will provide a useful tool for genetic assessment and conservation of different Palmae species in the future.

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