Bacteria,Purple

《英文msh詞典》Bacteria,Purple
[同義詞] Bacteria,Purple
[主題詞] Proteobacteria
[英文釋義] A phylum of bacteria consisting of the purple bacteria and their relatives which form a branch of the eubacterial tree. This group of predominantly gram-negative bacteria is classified based on homology of equivalent nucleotide sequences of 16S ribosomal RNA or by hybridization of ribosomal RNA or DNA with 16S and 23S ribosomal RNA.