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sg.config configuration (The homology of the de novo assembled genome is not known) #4
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谢谢老师您的解答,我将使用您所推荐的方式来做同源分析。另外还有个问题请教一下老师您,为了说详细点,我就是用中文了。 运行命令是:subphaser -i F_ana_Camarosa_6-28-17_hardmasked.fasta -c sg.config k15_q200_f2.kmer_pca.pdf是成功生成的。生成的pca图与老师您附表中的图不一样。 |
Do not use hardmasked genome sequences, because subphaser is based on repeated sequences (TEs in most cases) in fact. |
老师,请问您对开麦罗莎草莓做分析时(Fig. S27 Subgenome phasing with SubPhaser in the Fragaria x ananassa genome.),使用的文件是哪一个啊。 |
F_ana_Camarosa_6-28-17.fasta.gz. But you may not get the identical results but similar results. |
老师,我刚刚又去GDR网站看了一下,我只看到了 F_ana_Camarosa_6-28-17_hardmasked.fasta.gz跟[F_ana_Camarosa_6-28-17_unmasked.fasta.gz两个文件,请问一下您告诉我的F_ana_Camarosa_6-28-17.fasta.gz文件这个在哪个链接下载啊,麻烦老师您了。 |
F_ana_Camarosa_6-28-17_unmasked.fasta.gz |
老师,已成功运行,4套亚基因组成功分型。图非常好看,感谢老师您的耐心指导与为科研工作者所开发的SubPhaser软件。 |
Teacher, I have successfully found homologous chromosomes using MUMmer software, and then performed genotyping using SubPhaser. The results are very good. |
Great. Thanks for your feedback. |
Hi @zhangrengang, Thanks for this excellent software. I have been using this for my newly assembled allopolyploidy genome (2n = 4x = 40). The genome has two subgenomes, but I don't know the homologous pairs. So as you suggested in previous comments, I used mummer and minimapper2 to find the homologous pairs and assigned them in the configurations file. But after running the SubPhaser with default parameters I got 19 chr in SG1 and only one chr in SG2. Idially, it should be 10 chr in each subgenome. Can you suggest why it happend? Am I approaching rightly? |
@kashiff007 It seems that your genome is contig-level, but not chromosome-level? |
Yes, It is a newly assembled genome and from cytometry, we speculate that the largest 20 contigs are full genome length. |
@kashiff007 Can you show the homoelogous relationship such as dot plot, and your config file? How much percent do the largest 20 contigs account for the whole genome? |
here y-axis is my new genome and when we align with another closely related species Oropetium (x-asix), id gives the following plot. You can see each of the x-axis has two aligned positions in y-axis, which tells that these are homologous. Based on this I made a config file which looks like: Total genoem size is 587 mb (587146212) and top 20 contigs are abount 573mb (573812465). or 97.72% of the total genome. |
@kashiff007 It seems no problem. Do you have evidence for |
is it something to do with clustering? |
@kashiff007 If there are no much assembly errors (swtich errors, etc,), your genome is likely to be an auto-polyploid or be heavily recombined, which can not by phased by
But these may also not work. |
OK, I appreciate the explanation. |
Hi, @zhangrengang I'm soryy to disturb you. The plot is very fancy. Is it plotted by "dosPlotly" ? Thanks! |
@kedduck No, it is from the paper: Edger P P, Poorten T J, VanBuren R et. al. Origin and evolution of the octoploid strawberry genome [J]. Nature Genet., 2019, 51 (3): 541–547 [http://doi.org/10.1038/s41588-019-0356-4] |
Thanks for your quick reply! |
Hello, thank you very much for your SubPhaser software, which is very useful for genotyping. I used HIFI and HIC to assemble the genome of Fragaria x ananassa but I do not know the homology of the 28 scaffolds. Should I put all the chromosomes in the sg.config file in one line?
I am looking forward to your reply.
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