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Dare K, Ibba M. Roles of tRNA in cell wall biosynthesis. WILEY INTERDISCIPLINARY REVIEWS. RNA 2012; 3:247-64. [PMID: 22262511 PMCID: PMC3873719 DOI: 10.1002/wrna.1108] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Recent research into various aspects of bacterial metabolism such as cell wall and antibiotic synthesis, degradation pathways, cellular stress, and amino acid biosynthesis has elucidated roles of aminoacyl-transfer ribonucleic acid (aa-tRNA) outside of translation. Although the two enzyme families responsible for cell wall modifications, aminoacyl-phosphatidylglycerol synthases (aaPGSs) and Fem, were discovered some time ago, they have recently become of intense interest for their roles in the antimicrobial resistance of pathogenic microorganisms. The addition of positively charged amino acids to phosphatidylglycerol (PG) by aaPGSs neutralizes the lipid bilayer making the bacteria less susceptible to positively charged antimicrobial agents. Fem transferases utilize aa-tRNA to form peptide bridges that link strands of peptidoglycan. These bridges vary among the bacterial species in which they are present and play a role in resistance to antibiotics that target the cell wall. Additionally, the formation of truncated peptides results in shorter peptide bridges and loss of branched linkages which makes bacteria more susceptible to antimicrobials. A greater understanding of the structure and substrate specificity of this diverse enzymatic family is necessary to aid current efforts in designing potential bactericidal agents. These two enzyme families are linked only by the substrate with which they modify the cell wall, aa-tRNA; their structure, cell wall modification processes and the physiological changes they impart on the bacterium differ greatly.
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Affiliation(s)
- Kiley Dare
- Department of Microbiology, Ohio State University, Columbus, OH, USA
| | - Michael Ibba
- Department of Microbiology, Ohio State University, Columbus, OH, USA
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Helgeland SM, Grov A. Immunochemical characterization of staphylococcal and microbial mucopeptides. ACTA PATHOLOGICA ET MICROBIOLOGICA SCANDINAVICA. SECTION B: MICROBIOLOGY AND IMMUNOLOGY 2009; 79:819-26. [PMID: 4110168 DOI: 10.1111/j.1699-0463.1971.tb00117.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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3
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Schleifer KH. 5 Analysis of the Chemical Composition and Primary Structure of Murein. METHODS IN MICROBIOLOGY 1985. [DOI: 10.1016/s0580-9517(08)70474-4] [Citation(s) in RCA: 441] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Schumacher-Perdreau F, Rotering H, Pulverer G. Cell wall analysis and taxonomy of staphylococci. ACTA ACUST UNITED AC 1983. [DOI: 10.1016/s0174-3031(83)80050-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Seidl PH, Schleifer KH. The immunochemistry of peptidoglycan. Antibodies against a synthetic immunogen cross-reacting with an interpeptide bridge of peptidoglycan. EUROPEAN JOURNAL OF BIOCHEMISTRY 1977; 74:353-63. [PMID: 856579 DOI: 10.1111/j.1432-1033.1977.tb11400.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An albumin-peptide conjugate was synthesized, which carries pentaglycine peptides with C-terminal glycine residues as found in the interpeptide bridges of the peptidoglycan of many staphylococci. Immunization of rabbits with this synthetic immunogen yielded antisera containing predominantly antibodies against the peptide moiety of the conjugate. The quantitative precipitin and the Ouchterlony agar gel reaction with several synthetic protein-peptide-conjugates, immunoaffinity chromatography of the antisera on Sepharose-(Gly-Gly-Gly-Gly-Gly)n and hapten inhibition studies with several synthetic peptides and peptide derivatives demonstrated that the antibodies were highly specific for oligoglycine peptides with C-terminal glycine. These antibodies also reacted strongly with staphylococcal peptidoglycans with an interpeptide bridge composed of pentaglycine peptides or of pentaglycine peptides in which part of the glycine residues were replaced by L-serine. In contrast, all the peptidoglycans lacking interpeptide bridges composed of glycine residues gave no precipitin reaction at all. The final proof for identical determinant groups of albumin-(CH2CO-Gly-Gly-Gly-Gly-Gly)31 and the staphylococcal peptidoglycans applied in the precipitin reaction was furnished by double gel diffusion studies and by hapten inhibition of the precipitin reaction between antisera to albumin-(CH2CO-Gly-Gly-Gly-Gly-Gly)31 and the corresponding peptidoglycans. For rapid screening of the different peptidoglycans, a latex agglutination test was elaborated. Purified antibodies were adsorbed to latex particles, and the titers with the particular peptidoglycans were then determined. The test was highly sensitive, in that 10 nanograms of peptidoglycan could still be detected.
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Schleifer KH, Hammes WP, Kandler O. Effect of endogenous and exogenous factors on the primary structures of bacterial peptidoglycan. Adv Microb Physiol 1976; 13:245-92. [PMID: 775943 DOI: 10.1016/s0065-2911(08)60040-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Abstract
Physically purified cell walls were prepared from selected pleiotropic novobiocin-resistant staphylococcal strains. The quantitative amino acid, amino sugar, and phosphorus contents of these walls are reported. This pleiotype was culturally diagnosed by its inability to support the growth of typing phages, inability to release latent bacteriophage, failure to elaborate coagulase, altered sugar catabolic pattern, and resistance to novobiocin. The strains were divided into two groups on the basis of wall composition. The walls of both groups of strains appeared to possess at least two phosphorus-containing polymers. On group of strains contained elevated levels of phosphorus in the cell walls. The second group contained the novel amino sugar galactosamine in the cell walls. This amino sugar is probably associated with one of the phosphorus-containing wall polymers of this group. On the basis of the data presented, it is suggested that the pleiotropy of these strains is the result of genetic change in the control of the biosynthesis of teichoic acids.
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Heymer B. [Biological activity of bacterial peptidoglycan (mucopeptide) (author's transl)]. KLINISCHE WOCHENSCHRIFT 1975; 53:49-57. [PMID: 1142705 DOI: 10.1007/bf01482709] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A brief survey on the ultrastructure, the chemical composition and the immunological properties of bacterial cell wall peptidoglycan (mucopeptide) is presented. This paper deals with the various recently discovered biological activities of peptidoglycan. These could be divided into three different groups, namely: 1. Endotoxin-like properties: pyrogenicity, induction of the local Shwartzman reaction, increase in non-specific resistance to bacterial infection, release of 5-hydroxytryptamine from rabbit platelets, complement activation,gelation of amebocyte lysate. 2. Inflammatory reactions of skin and internal organs, aggressin activity (virulence factor), inhibition of phagocytosis of bacteria by granulocytes and macrophages, inhibition of growth of cell cultures, cytotoxity to granulocytes and macrophages. 3. Potentiation of humoral and cellular immune responses (adjuvant), enhancement of tumor defense in experimental animals. The potential mechanisms of action of peptidoglycan are discussed and attention is focused on the implications of the various peptidoglycan activities for medicine.
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Schleifer KH, Seidl PH. The immunochemistry of peptidoglycan. Antibodies against a synthetic immunogen cross-reacting with peptidoglycan. EUROPEAN JOURNAL OF BIOCHEMISTRY 1974; 43:509-19. [PMID: 4134036 DOI: 10.1111/j.1432-1033.1974.tb03438.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Wildfeuer A, Heymer B, Schleifer KH, Seidel HP, Haferkamp O. [Contribution to the diagnosis of shock: demonstration of endotoxin and mucopeptide by the Limulus polyphemus-lysate test (author's transl)]. KLINISCHE WOCHENSCHRIFT 1974; 52:175-8. [PMID: 4601042 DOI: 10.1007/bf01614393] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Schleifer KH, Nimmermann E. Peptidoglycan types of strains of the genus Peptococcus. ARCHIV FUR MIKROBIOLOGIE 1973; 93:245-58. [PMID: 4775414 DOI: 10.1007/bf00412024] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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13
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Abstract
The mechanism of glycine action in growth inhibition was studied on eight different species of bacteria of various genera representing the four most common peptidoglycan types. To inhibit the growth of the different organisms to 80%, glycine concentrations from 0.05 to 1.33 M had to be applied. The inhibited cells showed morphological aberrations. It has been demonstrated that glycine is incorporated into the nucleotide-activated peptidoglycan precursors. The amount of incorporated glycine was equivalent to the decrease in the amount of alanine. With one exception glycine is also incorporated into the peptidoglycan. Studies on the primary structure of both the peptidoglycan precursors and the corresponding peptidoglycan have revealed that glycine can replace l-alanine in position 1 and d-alanine residues in positions 4 and 5 of the peptide subunit. Replacement of l-alanine in position 1 of the peptide subunit together with an accumulation of uridine diphosphate-muramic acid (UDP-MurNAc), indicating an inhibition of the UDP-MurNAc:l-Ala ligase, has been found in three bacteria (Staphylococcus aureus, Lactobacillus cellobiosus and L. plantarum). However, discrimination against precursors with glycine in position 1 in peptidoglycan synthesis has been observed only in S. aureus. Replacement of d-alanine residues was most common. It occurred in the peptidoglycan with one exception in all strains studied. In Corynebacterium sp., C. callunae, L. plantarum, and L. cellobiosus most of the d-alanine replacing glycine occurs C-terminal in position 4, and in C. insidiosum and S. aureus glycine is found C-terminal in position 5. It is suggested that the modified peptidoglycan precursors are accumulated by being poor substrates for some of the enzymes involved in peptidoglycan synthesis. Two mechanisms leading to a more loosely cross-linked peptidoglycan and to morphological changes of the cells are considered. First, the accumulation of glycine-containing precursors may lead to a disrupture of the normal balance between peptidoglycan synthesis and controlled enzymatic hydrolysis during growth. Second, the modified glycine-containing precursors may be incorporated. Since these are poor substrates in the transpeptidation reaction, a high percentage of muropeptides remains uncross-linked. The second mechanism may be the more significant in most cases.
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Schleifer KH, Kocur M. Classification of staphylococci based on chemical and biochemical properties. ARCHIV FUR MIKROBIOLOGIE 1973; 93:65-85. [PMID: 4764725 DOI: 10.1007/bf00666081] [Citation(s) in RCA: 40] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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15
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Fiedler F, Kandler O. Die Aminos�uresequenz von 2,4-Diaminobutters�ure enthaltenden Mureinen bei verschiedenen coryneformen Bakterien und Agromyces ramosus. Arch Microbiol 1973. [DOI: 10.1007/bf00409399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Holme T. Influence of environment on the content and composition of bacterial envelopes. ACTA ACUST UNITED AC 1972. [DOI: 10.1002/jctb.5020220308] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Cziharz B, Schleifer KH, Kandler O. A new type of peptide subunit in the murein of Arthrobacter strain J39. Biochemistry 1971; 10:3574-8. [PMID: 4259817 DOI: 10.1021/bi00795a014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Abstract
The shape of Escherichia coli is fixed by the form of the sacculus. This sacculus is a macromolecule made up from the polymer murein. In an investigation of the possible factors determining the shape of the sacculus, we attempted to resolve between two fundamental alternatives. (i) Is the shape of the sacculus automatically fixed by its chemical composition? or (ii) does a special morphogenetic system exist which determines the shape of the sacculus? An analysis of sacculi from cells grown in poor and rich media and harvested at different stages of growth was made. Significant variations in the composition of murein were found, whereas the general shape of the cells remained unchanged. This finding stands opposed to the assumption of a strict correlation between chemistry and shape of the sacculus. The second alternative was investigated by attempting to change artificially the shape of the sacculus by modifying the form of the hypothetical morphogenetic system. Rod-shaped cells were converted into spherical spheroplasts which were subsequently allowed to reform a new spherical sacculus. In chemical composition this spherical sacculus was found to be indistinguishable from the rod-shaped sacculus. This finding is taken as evidence for the existence of a distinct morphogenetic apparatus in the cell wall whose form is reflected by the shape of the sacculus.
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Schleifer KH, Krause RM. The immunochemistry of peptidoglycan. Separation and characterization of antibodies to the glycan and to the peptide subunit. EUROPEAN JOURNAL OF BIOCHEMISTRY 1971; 19:471-8. [PMID: 4996113 DOI: 10.1111/j.1432-1033.1971.tb01337.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Schleifer KH, Kandler O. Amino acid sequence of the murein of Planococcus and other Micrococcaceae. J Bacteriol 1970; 103:387-92. [PMID: 4247024 PMCID: PMC248092 DOI: 10.1128/jb.103.2.387-392.1970] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The amino acid composition and amino acid sequence of the murein (peptidoglycan) of 10 strains of planococci were studied. It is shown that the peptide subunit consists of muramyl-l-alanyl-gamma-d-glutamyl-l-lysyl-d -alanine. The cross-linking of two adjacent peptide subunits is mediated by d-glutamic acid which is bound to the epsilon-amino group of lysine by its gamma-carboxyl group and to the carboxyl group of d-alanine of an adjacent peptide subunit by its amino group. About 20 to 25% of the peptide subunits are not cross-linked. The murein structure of the different species and strains of Micrococcus, Staphylococcus, and Sarcina are compared. It is evident that the murein structure is a very good criterion for grouping the micrococci. In addition, some of these groups are fairly well defined by physiological properties as well as by their guanine + cytosine content of the deoxyribonucleic acid e.g., Micrococcus, Staphylococcus, Planococcus, Sarcina ureae. Other groups, represented by a single or a few strains only, such as M. varians NTCC 7281, M. radiodurans, M. freudenreichii ATCC 407, and M. luteus ATCC 398, need further investigation.
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Braun V, Sieglin U. The covalent murein-lipoprotein structure of the Escherichia coli cell wall. The attachment site of the lipoprotein on the murein. EUROPEAN JOURNAL OF BIOCHEMISTRY 1970; 13:336-46. [PMID: 4245367 DOI: 10.1111/j.1432-1033.1970.tb00936.x] [Citation(s) in RCA: 171] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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