Molecular database for classifying Shorea species (Dipterocarpaceae) and techniques for checking the legitimacy of timber and wood products.
The extent of tropical forest has been declining, due to over-exploitation and illegal logging activities. Large quantities of unlawfully extracted timber and other wood products have been exported, mainly to developed countries. As part of the export monitoring effort, we have developed methods for extracting and analyzing DNA from wood products, such as veneers and sawn timbers made from dipterocarps, in order to identify the species from which they originated. We have also developed a chloroplast DNA database for classifying Shorea species, which are both ecologically and commercially important canopy tree species in the forests of Southeast Asia. We are able to determine the candidate species of wood samples, based on DNA sequences and anatomical data. The methods for analyzing DNA from dipterocarp wood products may have strong deterrent effects on international trade of illegitimate dipterocarp products. However, the method for analyzing DNA from wood is not perfect for all wood products and need for more improvement, especially for plywood sample. Consequently, there may be benefits for the conservation of tropical forests in Southeast Asia.
Tsumura
Yoshihiko
Y
Department of Forest Genetics, Forestry and Forest Products Research Institute, Tsukuba, Ibaraki 305-8687, Japan. ytsumu@ffpri.affrc.go.jp
Kado
Tomoyuki
T
Yoshida
Kazumasa
K
Abe
Hisashi
H
Ohtani
Masato
M
Taguchi
Yuriko
Y
Fukue
Yoko
Y
Tani
Naoki
N
Ueno
Saneyoshi
S
Yoshimura
Kensuke
K
Kamiya
Koichi
K
Harada
Ko
K
Takeuchi
Yayoi
Y
Diway
Bibian
B
Finkeldey
Reiner
R
Na'iem
Mohamad
M
Indrioko
Sapto
S
Ng
Kevin Kit Siong
KK
Muhammad
Norwati
N
Lee
Soon Leong
SL
D001483:Base Sequence; D030561:Databases, Nucleic Acid; D053958:Dipterocarpaceae / Q000145:classification* / Q000235:genetics*; D005231:Fatty Acids, Unsaturated / Q000235:genetics; D014644:Genetic Variation; D008969:Molecular Sequence Data; D009711:Nucleotides / Q000235:genetics; D010802:Phylogeny; D017422:Sequence Analysis, DNA / Q000379:methods*; D013045:Species Specificity; D014934:Wood / Q000033:anatomy & histology / Q000235:genetics*
D005231:Fatty Acids, Unsaturated; D009711:Nucleotides; C055648:9-(4-chlorophenyl)-7,7-dimethyl-5,8-nonadienoic acid
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