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Issues on running independently

Open 544728460 opened this issue 1 year ago • 2 comments

If I have already clustered the unaligned nucleotide sequences manually and only want to design primers for these clustered fasta files seperately, which script should i use? And if i have already got some primers of of these clustered fasta files and only want to evaluate the interaction of these primers to acquire a primer set without conflicts, how can i run the specific scripts?

544728460 avatar Feb 10 '25 10:02 544728460

@544728460 You can refer to the process in the multiPrime.py script, starting from Rule 7, to design primers for each cluster in parallel using the command multiPrime-core.py. If you want to continue generating a primer set, you can proceed with the later steps in the process. In Rule 17, the tools mfeprimer-3.2.6 and finDimer.py are used to check primer compatibility, and you can use them separately. Additionally, if you have a small number of clusters, you can use the multiPrime2 program (https://github.com/joybio/multiPrime2-GUI), which directly accepts clustered fasta files as input. It offers two algorithms (multiPrime1 and multiPrime2) that can be used. However, it cannot generate primer sets by itself.

joybio avatar Feb 10 '25 12:02 joybio

Thanks Junbo! I have found the script 'multiPrime-core_V20.py' and there are still some unclear tips on this script: For input paramaters: 1)"--plen" limits the length of primers. But can the primer length only be a fixed number not a suggested range? For example, 18 to 25? 2) What's the difference between the 'Max number of degenerate' and 'Max degeneracy of primer'? 3)For "--entropy", what are the boundary values of this parameters? Minimum or Maximum values? 4)How to understand "--fraction" or "match fraction"? Does it mean the specific primer desigend can only align to a fraction of the input sequence not all? 5)If i want to analyse the primers' specificity, which script should i use? Also is it available for users to build a local database for primer specificity analysis on their own?

For the output files of script 'multiPrime-core_V20.py': These column names seem still unclear for me :'Position', 'Entropy of cover (bit)', 'Entropy of total (bit)', 'nonsense_primer_number', 'Optimal_coverage', 'Mis-F-coverage', 'Mis-R-coverage', 'Information'. Would you mind elaborating them further?

Thanks so much!

544728460 avatar Feb 11 '25 08:02 544728460