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My understanding is that all known organisms share at least the ribosome RNA genes. Unless you're counting viruses, which is not exactly fair since they hijack
by rcthompson 10y ago
My understanding is that all known organisms share at least the ribosome RNA genes. Unless you're counting viruses, which is not exactly fair since they hijack the host's ribosomes.
- cowsandmilk 10y agobut there is RPL1 up to RPL41, and same for RPS and then MRPL and MRPS , so despite the similarities, one can argue different organisms may have different rRNA genes.
- rcthompson 10y agoRPL1 and such are genes for ribosomal proteins. I'm talking about the genes that encode the ribosomal RNA subunits. These genes are used to infer the evolutionary relationships of the tree of life, so presumably they are shared across all known organisms, or else it would not be possible to infer a phylogenetic tree.