NDLI: Genetic composition of exotic and native teak (Tectona grandis) in Myanmar as revealed by cpSNP and nrSSR markers

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Genetic composition of exotic and native teak (Tectona grandis) in Myanmar as revealed by cpSNP and nrSSR markers

Content Provider	Springer Nature Link
Author	Hirao, Tomori Goto, Susumu
Copyright Year	2015
Abstract	With the rapid fragmentation of tropical forests harboring valuable tree species, conservation of natural genetic resources is an important issue. In Myanmar, teak plantations have been established by Myanmar government since the 1700 s using local Myanmar teak. Commercial plantations have recently been established by the private sector using both exotic and Myanmar teak without consideration of their genetic make-up. If the genetic composition of commercial teak plantations is severely different from that of Myanmar teak, introgression of non-indigenous genes could damage the remaining natural populations. We investigated genetic compositions of commercial plantations using both exotic and Myanmar teak seeds with 10 nuclear simple sequence repeat and three chloroplast single nucleotide polymorphism markers. We then compared the genetic compositions of these populations with those of neighboring native teak forests. The genetic diversity and composition of one exotic plantation using Costa Rican seeds was similar to those of native populations. However, the diversity of the other three exotic plantations was low and their composition was markedly different from those of native populations. Our results suggest that exotic gene flow would cause serious genetic disturbance. Commercial plantations using Myanmar seeds were characterized by relatively high genetic diversity and by many genetic components. These results suggest that these plantations may be established using various seed sources in Myanmar. Given that native teak in Myanmar is geographically structured, native gene pools will be homogenized by gene flow from these commercial plantations. Seed transfer guidelines based on genetic information should be considered in future.
Starting Page	251
Ending Page	258
Page Count	8
File Format	PDF
ISSN	15660621
Journal	Conservation Genetics
Volume Number	17
Issue Number	2
e-ISSN	15729737
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-09-15
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Commercial plantation Exotic gene flow Genetic disturbance Native forest Tectona grandis Conservation Biology/Ecology Plant Sciences Animal Anatomy / Morphology / Histology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Genetics Ecology, Evolution, Behavior and Systematics

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Proposed Seed and Planting Zonation of Myanmar Teak based on Genetic Information Detected by cpSNP and nrSSR Markers

Current Genetic Structure of Teak (Tectona Grandis) in Myanmar Based on Newly Developed Chloroplast Single Nucleotide Polymorphism and Nuclear Simple Sequence Repeat Markers

Genetic diversity of nine natural Tectona grandis L.f. populations of the Western Ghats in Southern India

The influence of stand age on wildlife habitat use in exotic Teak tree Tectona grandis plantations

Genetic Variation of Teak (Tectona grandis Linn. f.) in Myanmar revealed by Amplified Fragment Length Polymorphisms (AFLPs)

Original paper what is the genetic origin of teak (tectona grandis l.) introduced in africa and in indonesia? (2013).

Pertumbuhan Hutan Tanaman Jati (Tectona Grandis Linn.f.) Di Kalimantan Timur

Genetic diversity and structure of teak (Tectona grandis L. f.) and dahat (Tectona hamiltoniana Wall.) based on chloroplast microsatellites and Amplified Fragment Length Polymorphism markers

Diversity and genetic structure of teak (Tectona grandis L.f) in its natural range using DNA microsatellite markers

Genetic composition of exotic and native teak (Tectona grandis) in Myanmar as revealed by cpSNP and nrSSR markers

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Proposed Seed and Planting Zonation of Myanmar Teak based on Genetic Information Detected by cpSNP and nrSSR Markers

Current Genetic Structure of Teak (Tectona Grandis) in Myanmar Based on Newly Developed Chloroplast Single Nucleotide Polymorphism and Nuclear Simple Sequence Repeat Markers

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Diversity and genetic structure of teak (Tectona grandis L.f) in its natural range using DNA microsatellite markers

Genetic composition of exotic and native teak (Tectona grandis) in Myanmar as revealed by cpSNP and nrSSR markers