/usr/share/perl5/Bio/Assembly/ is in libbio-perl-perl 1.7.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Bio/Assembly/Contig.pm
/usr/share/perl5/Bio/Assembly/ContigAnalysis.pm
/usr/share/perl5/Bio/Assembly/IO/
/usr/share/perl5/Bio/Assembly/IO.pm
/usr/share/perl5/Bio/Assembly/IO/ace.pm
/usr/share/perl5/Bio/Assembly/IO/bowtie.pm
/usr/share/perl5/Bio/Assembly/IO/maq.pm
/usr/share/perl5/Bio/Assembly/IO/phrap.pm
/usr/share/perl5/Bio/Assembly/IO/sam.pm
/usr/share/perl5/Bio/Assembly/IO/tigr.pm
/usr/share/perl5/Bio/Assembly/Scaffold.pm
/usr/share/perl5/Bio/Assembly/ScaffoldI.pm
/usr/share/perl5/Bio/Assembly/Singlet.pm
/usr/share/perl5/Bio/Assembly/Tools/
/usr/share/perl5/Bio/Assembly/Tools/ContigSpectrum.pm