叶绿体基因组组装不成环 #344
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liuxing12311
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叶绿体基因组组装不成环
#344
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看图没有明显的高深度的dead end,所以大概率是organelle-sufficient,也就是说,extended assembly graph中应该包含了完整的叶绿体基因组(https://github.com/Kinggerm/GetOrganelle/wiki/FAQ#what-should-i-do-with-incomplete-resultbroken-assembly-graph),但不是很确定是否有很多repeats,这个图有比较多的mt的干扰。 可以在Bandage中load fastg和csv文件,然后配合深度手动清理掉一些mt以及和目标深度差异很大的contig,然后再把清理后的结果保存成gfa,用get_organelle_from_assembly.py导出fasta结果。 另外,也可以直接尝试GetOrganelle 1.8.0,那个的自动识别能力更强,目前还没有在conda上上线,但是可以通过如下方式安装:
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金老师您好,我在组装叶绿体时遇到了不成环的情况,按提供的建议优化以后,依旧不成环,想问下您的建议,07-3.log文件和07-3fastg图片,是增加了-w参数,增加了--reduce-reads-for-coverage=1000以及近缘参考序列,而07 -s.log文件与07 -s fastg图片是常规参数的,只加了一个近缘参考序列。谢谢老师!
07-3 get_org.log.txt
07 -s get_org.log.txt
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