| AGR | Amitermes-Gnathamitermes-Rhynchotermes |
| AMD | acid mine drainage |
| ATP | adenosine triphosphate |
|
CCA |
canonical correspondence analysis |
| CDC | Centers for Disease Control and Prevention |
| CDI | contact-dependent growth inhibition |
|
EHEC |
enterohaemorrhagic Escherichia coli |
| EPS | extracellular polymeric substance |
|
FDH |
formate dehydrogenase |
|
HA |
hemagglutinin |
| HMP | Human Microbiome Project |
|
IBD |
inflammatory bowel disease |
| IOM | Institute of Medicine |
|
LCA |
last common ancestor |
|
MetaHIT |
Metagenomics of the Human Intestinal Tract |
|
NA |
neuraminidase |
| NASA | National Aeronautics and Space Administration |
| NEC | neonatal necrotizing entercolitis |
| NIH | National Institutes of Health |
| NMDS | nonmetric multidimensional scaling |
|
ORCA |
Ocean Research and Conservation Association |
|
PCA |
principal component analysis |
| PCR | polymerase chain reaction |
|
rRNA |
ribosomal ribonucleic acid |