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Identification of borinic esters as inhibitors of bacterial cell growth and bacterial methyltransferases, CcrM and MenH

Identification of borinic esters as inhibitors of bacterial cell growth and bacterial methyltransferases, CcrM and MenH
Identification of borinic esters as inhibitors of bacterial cell growth and bacterial methyltransferases, CcrM and MenH
As bacteria continue to develop resistance toward current antibiotics, we find ourselves in a continual battle to identify new antibacterial agents and targets. We report herein a class of boron-containing compounds termed borinic esters that have broad spectrum antibacterial activity with minimum inhibitory concentrations (MIC) in the low microgram/mL range. These compounds were identified by screening for inhibitors against Caulobacter crescentus CcrM, an essential DNA methyltransferase from gram negative alpha-proteobacteria. In addition, we demonstrate that borinic esters inhibit menaquinone methyltransferase in gram positive bacteria using a new biochemical assay for MenH from Bacillus subtilis. Our data demonstrate the potential for further development of borinic esters as antibacterial agents as well as leads to explore more specific inhibitors against two essential bacterial enzymes.
anti-bacterial agents, chemical synthesis/chemistry/pharmacology bacillus subtilis/drug effects/enzymology borinic acids, chemical synthesis/chemistry/pharmacology caulobacter crescentus/drug effects/enzymology dna modification methylases, antagonists & inhibitors/chemistry esters/chemical synthesis/chemistry/pharmacology gram-negative bacteria, drug effects/enzymology/growth & development gram-positive bacteria, drug effects/enzymology/growth & development kinetics microbial sensitivity tests proteobacteria/enzymology structure-activity relationship
0022-2623
7468-7476
Benkovic, Stephen J.
f85498a5-27fc-4a22-9069-ff61a4297520
Baker, Stephen J.
98c076ff-72c9-4ee2-a027-e58560fdfd43
Alley, M.R.K.
b86dba97-b8ab-4fa0-b858-6aa3dc2b1974
Woo, Youn-Hi
476402a5-c027-4ed6-8e09-2387abebf995
Zhang, Yong-Kang
350f430a-fa00-4060-ad5a-fd22ea2d7583
Akama, Tsutomu
7327fa2e-ab81-4521-b728-54f86c5df88b
Mao, Weimin
992c9d4e-d475-4e16-9330-850ca1b05a2b
Baboval, Justin
24afa059-282a-4431-9a4d-3511524c8ecd
Rajagopalan, P.T. Ravi
ae341224-b89d-4475-803c-94d00769ab40
Wall, Mark
f267efe7-10b3-474f-b9a9-84925329d8e4
Kahng, Lyn Sue
02c18e5e-b30f-4931-96f6-1346d062cc20
Tavassoli, Ali
a596e736-aab8-440a-967a-fd3b73974e45
Shapiro, Lucy
d3f8f8e3-e9b3-485d-963f-c1ba7d3316c1
Benkovic, Stephen J.
f85498a5-27fc-4a22-9069-ff61a4297520
Baker, Stephen J.
98c076ff-72c9-4ee2-a027-e58560fdfd43
Alley, M.R.K.
b86dba97-b8ab-4fa0-b858-6aa3dc2b1974
Woo, Youn-Hi
476402a5-c027-4ed6-8e09-2387abebf995
Zhang, Yong-Kang
350f430a-fa00-4060-ad5a-fd22ea2d7583
Akama, Tsutomu
7327fa2e-ab81-4521-b728-54f86c5df88b
Mao, Weimin
992c9d4e-d475-4e16-9330-850ca1b05a2b
Baboval, Justin
24afa059-282a-4431-9a4d-3511524c8ecd
Rajagopalan, P.T. Ravi
ae341224-b89d-4475-803c-94d00769ab40
Wall, Mark
f267efe7-10b3-474f-b9a9-84925329d8e4
Kahng, Lyn Sue
02c18e5e-b30f-4931-96f6-1346d062cc20
Tavassoli, Ali
a596e736-aab8-440a-967a-fd3b73974e45
Shapiro, Lucy
d3f8f8e3-e9b3-485d-963f-c1ba7d3316c1

Benkovic, Stephen J., Baker, Stephen J., Alley, M.R.K., Woo, Youn-Hi, Zhang, Yong-Kang, Akama, Tsutomu, Mao, Weimin, Baboval, Justin, Rajagopalan, P.T. Ravi, Wall, Mark, Kahng, Lyn Sue, Tavassoli, Ali and Shapiro, Lucy (2005) Identification of borinic esters as inhibitors of bacterial cell growth and bacterial methyltransferases, CcrM and MenH. Journal of Medicinal Chemistry, 48 (23), 7468-7476. (doi:10.1021/jm050676a).

Record type: Article

Abstract

As bacteria continue to develop resistance toward current antibiotics, we find ourselves in a continual battle to identify new antibacterial agents and targets. We report herein a class of boron-containing compounds termed borinic esters that have broad spectrum antibacterial activity with minimum inhibitory concentrations (MIC) in the low microgram/mL range. These compounds were identified by screening for inhibitors against Caulobacter crescentus CcrM, an essential DNA methyltransferase from gram negative alpha-proteobacteria. In addition, we demonstrate that borinic esters inhibit menaquinone methyltransferase in gram positive bacteria using a new biochemical assay for MenH from Bacillus subtilis. Our data demonstrate the potential for further development of borinic esters as antibacterial agents as well as leads to explore more specific inhibitors against two essential bacterial enzymes.

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Published date: 2005
Keywords: anti-bacterial agents, chemical synthesis/chemistry/pharmacology bacillus subtilis/drug effects/enzymology borinic acids, chemical synthesis/chemistry/pharmacology caulobacter crescentus/drug effects/enzymology dna modification methylases, antagonists & inhibitors/chemistry esters/chemical synthesis/chemistry/pharmacology gram-negative bacteria, drug effects/enzymology/growth & development gram-positive bacteria, drug effects/enzymology/growth & development kinetics microbial sensitivity tests proteobacteria/enzymology structure-activity relationship

Identifiers

Local EPrints ID: 45309
URI: http://eprints.soton.ac.uk/id/eprint/45309
ISSN: 0022-2623
PURE UUID: 9f81460c-ecb0-4719-9b5d-0f71c8344df4

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Date deposited: 20 Mar 2007
Last modified: 15 Mar 2024 09:09

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Contributors

Author: Stephen J. Benkovic
Author: Stephen J. Baker
Author: M.R.K. Alley
Author: Youn-Hi Woo
Author: Yong-Kang Zhang
Author: Tsutomu Akama
Author: Weimin Mao
Author: Justin Baboval
Author: P.T. Ravi Rajagopalan
Author: Mark Wall
Author: Lyn Sue Kahng
Author: Ali Tavassoli
Author: Lucy Shapiro

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