Genetic diversity and structure of Siberian Stone Pine (Pinus sibirica Du Tour) populations

被引：1

作者：

Sheller, Marina ^{[1
,2
]}

Toth, Endre Gyorgy ^{[3
]}

Mikhaylov, Pavel ^{[1
]}

Kulakov, Sergey ^{[1
,4
]}

Kulakova, Nadezhda ^{[1
]}

Shilkina, Elena ^{[5
]}

Ibe, Aleksey ^{[5
]}

Sukhikh, Tatyana ^{[5
]}

Blanc-Jolivet, Celine ^{[6
]}

机构：

[1] Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia

[2] Transilvania Univ Brasov, Fac Silviculture & Forest Engn, Brasov 500123, Romania

[3] Univ Sopron UOS, Forest Res Inst FRI, Varkerulet 30-A, H-9600 Sarvar, Hungary

[4] RAS, Fed Res Ctr Krasnoyarsk Sci Ctr, Sukachev Inst Forest, SB, Krasnoyarsk 660036, Russia

[5] Ctr Forest Hlth Krasnoyarsk Krai, Branch Russian Ctr Forest Hlth, Krasnoyarsk 660036, Russia

[6] Thunen Inst Forest Genet, Sieker Landstr 2, D-22927 Grosshansdorf, Germany

来源：

SILVAE GENETICA | 2023年 / 72卷 / 01期

关键词：

Siberian stone pine; nuclear microsatellite markers (nSSR); genetic diversity; genetic structure; Siberia; R-PACKAGE; MICROSATELLITE; CONSERVATION; EFFICIENT;

D O I：

10.2478/sg-2023-0003

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Siberian stone pine (Pinus sibirica Du Tour) is a key component of the Eurasian boreal forest ecosystems. However, due to the ongoing climatic changes and anthropogenic activities, the habitats of the species are constantly degrading and reducing. To these reasons, exploring the genetic resources of the species and determining the genetic diversity and structure of today's populations is essential. In this study, we assessed genetic diversity and differentiation in six Siberian stone pine populations from different forest zones in Middle Siberia. Based on seven microsatellite nuclear markers (nSSR), moderate level of genetic diversity (He=0.455) was detected. A population structure analysis divided the six Siberian stone pine populations into two groups. Southernmost populations were distinguished from the others. Analysis of molecular variance (AMOVA) showed that only 2 % of the genetic variation occurred among populations. Our findings suggest that extensive gene flow may prevent genetic differentiation among Siberian stone pine populations. Hence, further genetic diversity estimation with additional loci is needed for crucial insight into the gene pool of Siberian stone pine populations.

引用

页码：25 / 33

页数：9

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