Table 1.
Sample Type | Skin Debris | Fur/Hair | Feathers | Scales | Insect Debris | Plant Debris |
---|---|---|---|---|---|---|
DNA | occasionally, truncated | only in root-bulb | yes | occasionally, truncated | yes | yes |
RNA | yes | not beyond root-bulb | unlikely | unlikely | yes | yes |
Proteins | yes, structural (e.g. keratin) | yes, structural (e.g. keratin) | yes, structural (e.g. keratin) | yes, structural (e.g. keratin) | structural (e.g. chitin) | yes, structural |
Nucleic Acids | small amounts | not beyond root-bulb | small amounts | small amounts | yes | small amounts |
Lipids | yes, large amounts | no | no | no | yes | yes |
Glycosylated Species | yes | no | no | no | likely | likely |
Amino Acids | yes | yes | yes | yes | yes | yes |