Closed bioteksampath closed 6 years ago
Hi Sam,
Thank you for using our method! If you think the canola A has a better genome quality and the two genome has no difference in LTR family despite different copy number, you can use the library on canola B. Otherwise it's more recommended to scan LTR again on the B genome, and combine both fasta libraries together for more a comprehensive annotation. You may use RepeatMasker for whole-genome annotation with your custom library.
Let me know if you have more questions. Thanks!
Best, Shujun
On Jan 18, 2018 11:52 AM, "bioteksampath" notifications@github.com wrote:
Hi I found this tool is really interesting and I like to use it for my research. I have a TE library generated from canola_A genotype in fasta and gff format and I like to use the same library to retrieve TE from Canola_B (different genotype) accession. how can I this canola_A TElibrary as input to extract the all the TE members ( expecting more copies in Canola_B) from Canola_B.
I believe that your suggestions will be really helpful.
Thanks & regards sam
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Hi Shujun, Thanks for your prompt reply. Yes, I can use Repeatmasker to quantify the repeat proportion. But my aim is to retrieve the members of each family in redundant to see the difference between both genotypes.
so, how can I use LTRreteriver to extract members directly from fasta sequences AS INPUT but not with screen outputs of LTRfinder, LTRharvest or MGEScan.
Thanks sam
Hi Sam,
If I understand correctly, you want to extract sequences of all intact LTR elements and compare them between genomes. It's possible, but not directly, and may involve in some coding.
First you can use the pass.list file to get the coordinates of all intact elements, then use the script bin/call_seq_by_list.pl to retrieve these sequences from genome. Usage see -h or the manual. Then using the intact sequence, you can do BLAST to locate intact elements in genome B. You may need some filtering to get full length elements from the BLAST result.
Hope these help!
Best, Shujun
On Jan 18, 2018 3:20 PM, "bioteksampath" notifications@github.com wrote:
Hi Shujun, Thanks for your prompt reply. Yes, I can use Repeatmasker to quantify the repeat proportion. But my aim is to retrieve the members of each family in redundant to see the difference between both genotypes.
so, how can I use LTRreteriver to extract members directly from fasta sequences AS INPUT but not with screen outputs of LTRfinder, LTRharvest or MGEScan.
Thanks sam
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Thanks again Shujun, I will try and get back to u if necessary!
Good luck!
On Jan 18, 2018 3:52 PM, "Sam" notifications@github.com wrote:
Thanks again Shujun, I will try and get back to u if necessary!
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Hi I found this tool is really interesting and I like to use it for my research. I have a TE library generated from canola_A genotype in fasta and gff format and I like to use the same library to retrieve TE from Canola_B (different genotype) accession. how can I this canola_A TElibrary as input to extract the **all the TE members** ( expecting more copies in Canola_B) from Canola_B.
I believe that your suggestions will be really helpful.
Thanks & regards sam