Biological sence of separation Firmicutes on Firmicutes_ABCD

Bacterial Taxonomy
1

Hi

I noticed that in comparison of SIlva DB in GTDB there is occurence of additional separation of taxons

For example instead of “Hungatella” there are both “Hungatella” and “Hungatella_A” genera.

The most interesting case is separation Firmicutes on “Firmicutes_A”, “Firmicutes_B”, “Firmicutes_C” and “Firmicutes_D” phylums

Is there are some biological meaning of such separation? Or this is special artificial division for some technical purposes?

2

Hi,

Information about alphabetic suffixes in GTDB can be found in the following two FAQ entries:

https://gtdb.ecogenomic.org/faq#why-do-some-genus-and-species-names-end-with-an-alphabetic-suffix

https://gtdb.ecogenomic.org/faq#why-do-some-family-and-higher-rank-names-end-with-an-alphabetic-suffix

Cheers,
Donovan

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