Question: What is the difference between "root" and "cellular organisms" in NCBI taxonomy?
0
gravatar for luise.schulte
11 months ago by
luise.schulte0 wrote:

Hi all,

I classified a shotgun sequenced environmental DNA sample using kraken2. I get most of my sequences (apart from unclassified) classified as "root" and as "cellular organisms". Now I tried to find out what the difference is in the NCBI taxonomy but I find nowhere an explanation. Does anybody know the difference? Isn't "cellular organism" already including all life on the plant? So what on earth can "root" be?

Thanks for any ideas!

Here the top of my kraken report:

  99.62  59175599        59175599        U       0         unclassified
  0.38   227134          16942           R       1         root
  0.35   209708          14266           R1      131567    cellular organisms
classification taxonomy • 204 views
ADD COMMENTlink modified 11 months ago by Pierre Lindenbaum130k • written 11 months ago by luise.schulte0
1
gravatar for Pierre Lindenbaum
11 months ago by
France/Nantes/Institut du Thorax - INSERM UMR1087
Pierre Lindenbaum130k wrote:

root includes viruses. https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi

ADD COMMENTlink written 11 months ago by Pierre Lindenbaum130k

Ahh, how stupid of me not to think of viruses :P Thanks a lot!

ADD REPLYlink written 11 months ago by luise.schulte0
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