[Bioperl-l] Bio::Taxonomy::Tree

[Qiang Tu]

Hello all,

I want to build a taxonomy tree of the complete genomes. In the program I 
built a Bio::Taxonomy::Taxon object at first, then use 'set_root_node' method
to built a Bio::Taxonomy::Tree object by the taxon, then write the tree to a file 
by Bio::TreeIO object. The 'tabtree' method works, but the output files of 
'newick' and 'nhx' methods can not be opened by other draw-tree software, 
such as treeview. The error message is: Extra pair of parentheses "()".
The tree file is attached.

Has anyone ever made such a taxonomy tree? Could you give me some samples
so that I can find out the solution of my problem? Thanks. 
 
Qiang Tu
Institute of Biochemistry and Cell Biology
Chinese Academy of Sciences
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