The relationship between soil bacteria with simple nutritional requirements and those requiring amino acids.
D000596:Amino Acids / Q000378:metabolism*; D001419:Bacteria; D009751:Nutritional Requirements; D012987:Soil; D012988:Soil Microbiology
D000596:Amino Acids; D012987:Soil
AMINO ACIDS/metabolism; BACTERIA; SOIL/microbiology