I have nexus file (*.nxs) which contains a lot of taxa and the sequence length is also very long, so I cannot keep copy pasting it as it will take a lot of time. I want to know if there is any other way in which I can import or open this nexus file into MEGA 5.2 which can save a lot of time for me?
Why are using old version of MEGA, Use the new version MEGA 6. Convert your file to FATS format (most of the sequence related softwares can take fasts file) and then open MEGA go to file menu. in drop down there is a option convert file formats you can see lot of options among them one is nexus format
Cheeres
You can also edit a nexus file in a text editor remove
(#NEXUS
Begin data;
Dimensions ntax=4 nchar=15;
Format datatype=dna symbols="ACTG" missing=? gap=-;
Matrix)
at the beginning and remove
(;
End;)
at the end of the file
then simply add "
I agree with Breman. If still doubtful then go for online data conversion tools,
http://www.phylogeny.fr/version2_cgi/data_converter.cgi
http://www.ebi.ac.uk/Tools/sfc/readseq/
http://www.phylo.org/tools/nclconverter.html
http://www.bugaco.com/bioinf/nexusfasta.php
Also, here are some offline data conversion tools,
1) DataConvert 1.0 (download link, http://www.molecularevolution.org/resources/fileformats/converting)
2) Nexus2Fasta.pl, that convert nexus format to fasta format (for opening in MEGA v5).
Input: nexus sequence file.
Output: fasta sequence file.
(Note: Its a perl file, follow instructions as given on website, http://indra.mullins.microbiol.washington.edu/perlscript/docs/Sequence.html)
(download link, http://indra.mullins.microbiol.washington.edu/cgi-bin/perlscript/info.cgi?ID=Nexus2Fasta.pl&path=perlscript-scripts)
You can also try the website below which has several conversion options:-
http://www.hiv.lanl.gov/content/sequence/FORMAT_CONVERSION/form.html
However, I am interested in trying Floris' suggestion...
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