Effects of flavonoids on membrane adaptation of food-associated bacteria
Copyright © 2023 Elsevier B.V. All rights reserved..
The effects of naringenin and the biflavonoids amentoflavone and tetrahydroamentoflavone on select bacterial lipids (carotenoids, fatty acids, and menaquinones) and membrane fluidity based on Laurdan generalized polarization were investigated. For this purpose, the pigment-forming food-associated microorganisms Staphylococcus xylosus (DSM 20266T and J70), Staphylococcus carnosus DSM 20501T, and Micrococcus luteus (ATCC 9341 and J3) were studied. The results suggest an envelope stress response by microorganisms due to flavonoids and an employment of adaptive mechanisms using carotenoids, fatty acids, and menaquinones. The flavonoid monomer naringenin impacted carotenoids, fatty acids, menaquinones, and membrane fluidity. Naringenin significantly influenced the carotenoid profile, particularly by an increase in the relative proportion of 4,4'-diaponeurosporenoic acid in Staphylococcus xylosus. Amentoflavone caused changes mainly in the membrane of Micrococcus luteus and decreased the menaquinone content. Tetrahydroamentoflavone mainly affected the carotenoids in the investigated strains. The noticeably different CCS value of tetrahydroamentoflavone compared to naringenin and amentoflavone revealed further insights into the structure-dependent effects of flavonoids. This study provides valuable insights into the response of pigment-forming food-associated microorganisms to naringenin, amentoflavone, and tetrahydroamentoflavone, which is important for the targeted and safe application of the latter as natural preservatives and useful for further research on the mechanisms of action.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:1865 |
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| Enthalten in: |
Biochimica et biophysica acta. Biomembranes - 1865(2023), 4 vom: 12. Apr., Seite 184137 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Linden, Maria [VerfasserIn] |
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| Links: |
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| Themen: |
11032-49-8 |
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| Anmerkungen: |
Date Completed 14.03.2023 Date Revised 16.03.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bbamem.2023.184137 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2023 Elsevier B.V. All rights reserved. | ||
| 520 | |a The effects of naringenin and the biflavonoids amentoflavone and tetrahydroamentoflavone on select bacterial lipids (carotenoids, fatty acids, and menaquinones) and membrane fluidity based on Laurdan generalized polarization were investigated. For this purpose, the pigment-forming food-associated microorganisms Staphylococcus xylosus (DSM 20266T and J70), Staphylococcus carnosus DSM 20501T, and Micrococcus luteus (ATCC 9341 and J3) were studied. The results suggest an envelope stress response by microorganisms due to flavonoids and an employment of adaptive mechanisms using carotenoids, fatty acids, and menaquinones. The flavonoid monomer naringenin impacted carotenoids, fatty acids, menaquinones, and membrane fluidity. Naringenin significantly influenced the carotenoid profile, particularly by an increase in the relative proportion of 4,4'-diaponeurosporenoic acid in Staphylococcus xylosus. Amentoflavone caused changes mainly in the membrane of Micrococcus luteus and decreased the menaquinone content. Tetrahydroamentoflavone mainly affected the carotenoids in the investigated strains. The noticeably different CCS value of tetrahydroamentoflavone compared to naringenin and amentoflavone revealed further insights into the structure-dependent effects of flavonoids. This study provides valuable insights into the response of pigment-forming food-associated microorganisms to naringenin, amentoflavone, and tetrahydroamentoflavone, which is important for the targeted and safe application of the latter as natural preservatives and useful for further research on the mechanisms of action | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Biflavonoids | |
| 650 | 4 | |a Carotenoids | |
| 650 | 4 | |a Laurdan generalized polarization | |
| 650 | 4 | |a Menaquinone | |
| 650 | 4 | |a Sarcinaxanthin | |
| 650 | 4 | |a Staphyloxanthin | |
| 650 | 7 | |a Flavonoids |2 NLM | |
| 650 | 7 | |a Vitamin K 2 |2 NLM | |
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| 650 | 7 | |a Fatty Acids |2 NLM | |
| 700 | 1 | |a Flegler, Alexander |e verfasserin |4 aut | |
| 700 | 1 | |a Feuereisen, Michelle M |e verfasserin |4 aut | |
| 700 | 1 | |a Weber, Fabian |e verfasserin |4 aut | |
| 700 | 1 | |a Lipski, André |e verfasserin |4 aut | |
| 700 | 1 | |a Schieber, Andreas |e verfasserin |4 aut | |
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