دورية أكاديمية
Attachment of diaminopimelic acid to bdelloplast peptidoglycan during intraperiplasmic growth of Bdellovibrio bacteriovorus 109J.
| العنوان: | Attachment of diaminopimelic acid to bdelloplast peptidoglycan during intraperiplasmic growth of Bdellovibrio bacteriovorus 109J. |
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| المؤلفون: | Ruby EG, Rittenberg SC |
| المصدر: | Journal of bacteriology [J Bacteriol] 1984 May; Vol. 158 (2), pp. 597-602. |
| نوع المنشور: | Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: American Society for Microbiology Country of Publication: United States NLM ID: 2985120R Publication Model: Print Cited Medium: Print ISSN: 0021-9193 (Print) Linking ISSN: 00219193 NLM ISO Abbreviation: J Bacteriol Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Washington, DC : American Society for Microbiology |
| مواضيع طبية MeSH: | Amino Acids, Diamino/*metabolism , Bdellovibrio/*metabolism , Cytoplasm/*microbiology , Diaminopimelic Acid/*metabolism , Peptidoglycan/*metabolism, Bacterial Proteins/biosynthesis ; Bdellovibrio/growth & development ; Cell Wall/metabolism ; Energy Metabolism ; Escherichia coli/ultrastructure ; RNA, Bacterial/biosynthesis ; Solubility |
| مستخلص: | An early event in the predatory lifestyle of Bdellovibrio bacteriovorus 109J is the attachment of diaminopimelic acid (DAP) to the peptidoglycan of its prey. Attachment occurs over the first 60 min of the growth cycle and is mediated by an extracellular activity(s) produced by the bdellovibrio. Some 40,000 DAP residues are incorporated into the Escherichia coli bdelloplast wall, amounting to ca. 2 to 3% of the total initial DAP content of its prey cells. Incorporation of DAP occurs when E. coli, Pseudomonas putida, or Spirillum serpens are the prey organisms. The structurally similar compounds lysine, ornithine, citrulline, and 2,4-diaminobutyric acid are not attached. The attachment process is not affected by heat-killing the prey nor by the addition of inhibitors of either energy generation (cyanide, azide, or arsenate), protein or RNA synthesis (chloramphenicol and rifamycin), or de novo synthesis of cell wall (penicillin or vancomycin). Approximately one-third of the incorporated DAP is exchangeable with exogenously added unlabeled DAP, whereas the remaining incorporated DPA is solubilized only during the lysis of the bdelloplast wall. Examination of DAP incorporation at low prey cell densities suggests that bdellovibrios closely couple the incorporation to an independent, enzymatic solubilization of DAP by a peptidase. The data indicate that DAP incorporation is a novel process, representing the second example of the ability of the bdellovibrio to biosynthetically modify the wall of its prey. |
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| المشرفين على المادة: | 0 (Amino Acids, Diamino) 0 (Bacterial Proteins) 0 (Peptidoglycan) 0 (RNA, Bacterial) 583-93-7 (Diaminopimelic Acid) |
| تواريخ الأحداث: | Date Created: 19840501 Date Completed: 19840628 Latest Revision: 20210526 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC215470 |
| DOI: | 10.1128/jb.158.2.597-602.1984 |
| PMID: | 6202674 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 0021-9193 |
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| DOI: | 10.1128/jb.158.2.597-602.1984 |