Mechanisms of Action of Corilagin and Tellimagrandin I That Remarkably Potentiate the Activity of β-Lactams against Methicillin-Resistant Staphylococcus aureus

Sumiko Shiota, Masato Shimizu, Jun'ichi Sugiyama, Yuji Morita, Tohru Mizushima, Tomofusa Tsuchiya

Research output: Contribution to journalArticle

109 Citations (Scopus)

Abstract

Corilagin and tellimagrandin I are polyphenols isolated from the extract of Arctostaphylos uvaursi and Rosa canina L. (rose red), respectively. We have reported that corilagin and tellimagrandin I remarkably reduced the minimum inhibitory concentration (MIC) of β-lactams in methicillin-resistant Staphylococcus aureus (MRSA). In this study, we investigated the effect of corilagin and tellimagrandin I on the penicillin binding protein 2′ (2a) (PBP2′ (PBP2a)) which mainly confers the resistance to β-lactam antibiotics in MRSA. These compounds when added to the culture medium were found to decrease production of the PBP2′ (PBP2a) slightly. Using BOCILLIN FL, a fluorescent-labeled benzyl penicillin, we found that PBP2′ (PBP2a) in MRSA cells that were grown in medium containing corilagin or tellimagrandin I almost completely lost the ability to bind BOCILLIN FL. The binding activity of PBP2 and PBP3 were also reduced to some extent by these compounds. These results indicate that inactivation of PBPs, especially of PBP2′ (PBP2a), by corilagin or tellimagrandin I is the major reason for the remarkable reduction in the resistance level of β-lactams in MRSA. Corilagin or tellimagrandin I suppressed the activity of β-lactamase to some extent.

Original languageEnglish
Pages (from-to)67-73
Number of pages7
JournalMicrobiology and Immunology
Volume48
Issue number1
Publication statusPublished - 2004
Externally publishedYes

Fingerprint

Lactams
Methicillin-Resistant Staphylococcus aureus
Arctostaphylos
Penicillin-Binding Proteins
Microbial Sensitivity Tests
Polyphenols
Penicillins
Culture Media
corilagin
tellimagrandin I
Anti-Bacterial Agents

Keywords

  • β-Lactam
  • β-Lactamase
  • MRSA
  • PBP
  • Polyphenol
  • Resistance

ASJC Scopus subject areas

  • Immunology and Microbiology(all)
  • Microbiology (medical)
  • Microbiology

Cite this

Mechanisms of Action of Corilagin and Tellimagrandin I That Remarkably Potentiate the Activity of β-Lactams against Methicillin-Resistant Staphylococcus aureus. / Shiota, Sumiko; Shimizu, Masato; Sugiyama, Jun'ichi; Morita, Yuji; Mizushima, Tohru; Tsuchiya, Tomofusa.

In: Microbiology and Immunology, Vol. 48, No. 1, 2004, p. 67-73.

Research output: Contribution to journalArticle

Shiota, Sumiko ; Shimizu, Masato ; Sugiyama, Jun'ichi ; Morita, Yuji ; Mizushima, Tohru ; Tsuchiya, Tomofusa. / Mechanisms of Action of Corilagin and Tellimagrandin I That Remarkably Potentiate the Activity of β-Lactams against Methicillin-Resistant Staphylococcus aureus. In: Microbiology and Immunology. 2004 ; Vol. 48, No. 1. pp. 67-73.
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