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Plant & Animals
Plants, fungi, and other organisms
Other organisms
Bacteria
Bacteria
Gram-negative bacteria
Gram-positive bacteria
Agrobacterium tumefaciens
Bacterium, genetic engineering tool
Bacillus
Genus of bacteria
Bacillus subtilis
Catalase-positive bacterium
Bacteria
Domain of microorganisms
Clostridium
Genus of Gram-positive bacteria, which includes several significant human pathogens
Cutibacterium acnes
Species of bacterium
Cyanobacteria
Phylum of photosynthesising prokaryotes
Escherichia coli
Gram-negative bacterium
Gram-negative bacteria
Group of bacteria that do not retain the Gram stain used in bacterial differentiation
Gram-positive bacteria
Bacteria that give a positive result in the Gram stain test
Helicobacter pylori
Species of bacteria
Klebsiella pneumoniae
Species of bacterium
Lactobacillus
Genus of bacteria
Pseudomonas aeruginosa
Species of bacterium
Rhizobia
Soil bacteria
Salmonella
Genus of bacteria
Staphylococcus aureus
Species of Gram-positive bacterium
Streptococcus
Genus of bacteria
Stromatolite
Layered sedimentary structures formed by the growth of bacteria or algae
Thermus aquaticus
Species of bacterium