Penicillin-binding protein redundancy inBacillus subtilisenables growth during alkaline shock
| العنوان: | Penicillin-binding protein redundancy inBacillus subtilisenables growth during alkaline shock |
|---|---|
| المؤلفون: | Stephanie L. Mitchell, Daniel B. Kearns, Erin E. Carlson |
| المصدر: | bioRxiv |
| بيانات النشر: | Cold Spring Harbor Laboratory, 2023. |
| سنة النشر: | 2023 |
| مصطلحات موضوعية: | Article |
| الوصف: | Penicillin-binding proteins (PBPs) play critical roles in cell wall construction, cell shape, and bacterial replication. Bacteria maintain a diversity of PBPs, indicating that despite their apparent functional redundancy, there is differentiation across the PBP family. Seemingly redundant proteins can be important for enabling an organism to cope with environmental stressors. We sought to evaluate the consequence of environmental pH on PBP enzymatic activity inBacillus subtilis. Our data show that a subset ofB. subtilisPBPs change activity levels during alkaline shock and that one PBP isoform is rapidly modified to generate a smaller protein (i.e., PBP1a to PBP1b). Our results indicate that a subset of the PBPs are preferred for growth under alkaline conditions, while others are readily dispensable. Indeed, we found that this phenomenon could also be observed inStreptococcus pneumoniae, implying that it may be generalizable across additional bacterial species and further emphasizing the evolutionary benefit of maintaining many, seemingly redundant periplasmic enzymes. |
| DOI: | 10.1101/2023.03.20.533529 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::718f6b7146e82b94e7b64c4402148558 https://doi.org/10.1101/2023.03.20.533529 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....718f6b7146e82b94e7b64c4402148558 |
| قاعدة البيانات: | OpenAIRE |
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