INDEX 



93 



Mannose, 43 



Mechanical disintegration, 3 



Membrane, cytoplasmic, 13, 27 



Methyl-N-acetyl-D-glucosaminide, 



71 

 Micrococcus citreus, 32 

 Micrococcus lysodeikticus, 28, 32, 



48,63 

 Micrococcus roseus, 32 

 Micrococcus tetragenus, 32 

 Micrococcus urea, 32 

 Micrococcus varians, 33, 38 

 Microcoleus vaginatus, 17, 21 

 Microfibrils in walls, 7, 9, 14 

 Micromonospora, 31 

 Monosaccharides of walls, 42 

 Mucocomplexes, 21, 30 

 Mucopeptides, in Gram-negative 

 bacteria, 21, 49 



nature of, 30 



presence in walls, 21 



structure of, 39, 62, 64 



synthesis of, 67, 69, 71 

 Mucopolysaccharides, 21, 30, 43 

 Mucoproteins, 21 

 Multilayered walls, 11, 14 

 Muramic acid, biosynthesis of, 66, 

 71 



carboxyl group of, 41 



discovery of, 29, 39 



in cell walls, 29 



in nucleotides, 72, 76 



in spore peptides, 39 



isolation of, 39 



mode of linkage in walls, 41 



phosphoryl derivative of, 42 



properties of, 40 



structure of, 39 



synthesis of, 39, 40 

 Muramicitol, 60 



Mycobacteria, 31, 43 

 Myxococcus xanthus, 16, 21 



Neurospora crassa, cell-wall com- 

 position, 20 



isolated walls of, 8, 9 



synthesis of chitin by, 65 



thin sections of, 8 

 Nocardia, 31,43 

 Nostoc sp., 21 

 Novobiocin, 76, 79 

 Nuclei, 2 



Nucleic acids, 16, 69 

 Nucleotides, accumulation of, 72, 

 78 



amino acids in, 76, 79 



as cell-wall intermediates, 72, 76 



cytidine, 44, 76 



enzymic synthesis of, 78 



guanosine, 65 



in biosynthesis of wall, 80 



in transglycosylation reactions, 

 65,81 



structure of, 74 



uridine, 73, 76 



Oligosaccharides, 43, 60 

 Organism LCI, 49 

 Osmotic lysis, 4 

 Osmotic pressure, 15 

 Oxamycin (D-cycloserine), 77 



Penicillin, anatomical lesion 

 caused by, 74 

 effect on nucleotide accumula- 

 tion, 73 

 formation of protoplasts in 



presence of, 73 

 inhibition of mucopeptide syn 

 thesis by, 69 

 Penicillium spp., 20 



