TABLE 1.

Different types of cell wall components in Actinomycetes^a

Cell wall type	Major parietal constituent(s)	Genera
I	ll-DAP, glycine, no sugar	Arachnia, Nocardioides, Pimelobacter, Streptomyces
II	meso-DAP, glycine, arabinose, xylose	Actinomyces, Actinoplanes, Ampulariella, Catellatosporia, Dactylosporangium, Glycomyces, Micromonospora, Pilimelia
III	meso-DAP, madurose (3-O-methyl-d-galactose)	Actinocorallia, Actinomadura, Dermatophylus, Frankia, Geodermatophilus, Kitasatospora, Maduromycetes, Microbispora, Microtetraspora, Nonomuraea, Planobispora, Planomonospora, Planotetraspora, some Frankia spp., Spirillosporia, Streptosporangium, Thermoactinomyces, Thermomonospora
IV	meso-DAP, arabinose, galactose	Micropolyspora, Nocardioforms
V	Deprived of DAP; possesses lysine and ornithine	Actinomyces
VI	Deprived of DAP; variable presence of aspartic acid, galactose	Arcanobacterium, Actinomyces, Microbacterium, Oerskovia, Promicromonospora
VII	Deprived of DAP; diaminobutyric acid, glycine, with lysine variable	Agromyces, Clavibacter
VIII	Deprived of DAP; ornithine	Aureobacterium, Curtobacterium, Cellulomonas

^aInformation summarized in this table was obtained from references 14, 45, 61, and 602.