CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '91347c38de34f938',cH: '1Hhk8kRaovTTttyjld5TfdKyEoY4Jv1IujlyFpBqq10-1739781758-1.2.1.1-2yPlrVjw2bXbuyz5BOomfQv00ziZKfz__4Pkoow6b95zrkU8UsH1X6crjGCMjPcX',cUPMDTk: "\/abstracts\/search?q=E.coli&__cf_chl_tk=Yu6gTfCGG.c3QOcdjdD2VUjwJ6cpL7pHFLeEGywa71c-1739781758-1.0.1.1-oxsQ7.khObFimPxr4_St0eQsuohpmQ8nMOm9Upt7P1I",cFPWv: 'b',cITimeS: '1739781758',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=E.coli&__cf_chl_f_tk=Yu6gTfCGG.c3QOcdjdD2VUjwJ6cpL7pHFLeEGywa71c-1739781758-1.0.1.1-oxsQ7.khObFimPxr4_St0eQsuohpmQ8nMOm9Upt7P1I",md: "0jDCOOj0MRNDAOh5glQoGg28MvgW8uCIEYPLrUfmcWM-1739781758-1.2.1.1-EFOI.sSt2cj_G4YrZk08v19et0VqmeEc1I8DQwppbv13nGd41KORbzSm9HfBp88Pxedibw3WRkq9ODVE4WZt.TVcf2leQm9RVQ403SlxNIWTwqTwAldSXlCtvxLp9sNEmwqsEloiLSqjhG4Hqe3wnEKU_tVm_JCYSkmBMtpLDgr5YR3GwMeVJvvyC.zXIHE_7rVbm_BoHPUMrYRqKh2aL.uSVwBB6WwrrNmh24pDuihFEG0YIQq9d0BJfT0rvzNPGK_qMPAorJg5cJbZSYmAucKnwOnq6AZRaAJihXA59NkqUw.lJ8DrpwsccU6ivD4Kb.QseLh8WiCm4yrnk0_ZcIq1fCHsS5b2TG3XtXeaqJuQvXu7HmTgsCrmeOJu9QhZ41sGJNMmOecMaPg0DQqnCe2jEBxsFYor7pIYJJaP07NdylODL6brxnEQdbczl3_oDzeTFs0_1DHkfhC5WMMUa6vBZXnU37N9RtGLJ5MDPLtZD9ZOIbGHRhL1zlVDpEM9jQtaKRz.tmtHsL_p1jkhkOUCiX9oSF_evtLmAmn7wf5_3UOfTeIrbKMGq7GQ9nXSN9pZb1bQsaw1fVkK0Zo75u7USnWOguLxatVAV8WboGACIJ..ZVDEV6LR0NnA4_17QiD3tIyvVzWS1EBF18gliMLbw2wDAPVr.7GtaWXOJP2cldC9W15KjkCkk3GrBro85kTYjQneljTiZjq9ZTwThXgh5_I7LBm4wgNPqB47jxXcojwpDbL5GF7RUeCvUuQatR6BcliEPHNSYYMcKFwlSRivTwi_LCvMRKWStrxWc6Aljh0z_axEyspLnjwBMSJejlRIgxfShYH7JMlf94PcnHlJjNMkCKvc5D0PWUBeORVIGRr0sTN.HHy8aVmea964fYTOU77qLNw_Fna2rghxMUF59qMmBiR0AFbl_90GLkZkgebrAeDpzW8CvyGSRxEGiIrKexf47DQ2thyCFhz0f3d7zA3ziixQFnk51xkpsn4Wl_ScX2pFZQd_K1YIDU21hRqq01WBZC0bek8fvCSZYIW8Xpjx1jp0MZSOkM61m0hcJ4ZqdXcudo3gZJR_TsZc5w3TPayTPjNPmMVPc6xRs5AOvznflUUklPKd6oxD8xQbw0sT725YJVr9z9jxXqN5JWAtL4e4XeuYeigkh0bbXzbVztmx8mJ62unDaFsjYrByVFDt9Zcfr6zkgtmJzvg1VMkxZtlU3Bq_IrdQLMOiDCUFjecEYc4vFX14poHbW5_OXsyEdBifbMMD3izpJIljemdBNC3qdEBph2yav7i.ihnjeuUYNEP7DfJkGV0Fv5sxTbNznF3cyLvCEbvagyYILmsQZ6BR4.JV5NYvsZB6UznNITofCdc_qS2sswFQnmIFZezSorDrOIcvlk6mg8JRQyt5FKlMNipx8NYg99MYbKBOMYtHiYGSE3u_68h9p9_Cpl9NbrWriOw_s4rGclPg_MFECDKlYbqkh5SyMJCm_77Ohx2Q5xt6Aeq6kejPszWUyArAHqpdsWJXrAQwmDRkKGYVZHWQ6DOPKL302et6oLIf2dzjrpWf8IXBby9dM6uSUp4KipFIaHqzLWyI701fIKnaNYXAO8av6our7EpFfLsKCthQPsfrC.mMFNtiPg6RjdwmzpOsBrA9FuDtkGjT_zLPFpeUjGvdnieDX4dO_TSWXv.ZN2GzPqFDS02ty6rsKKfUChIGKF4ze0aznSeVwQ0oQtiJgLMIkpuZRdq_naTB1i45X1Luti7T54sln0UPWuDFeZDDZw4bM9g4IH.kIEFxHMJ9bEa2d48XiekutHoP7ltL8_7kelJrkscVkXxezJufswJuj85_HIbC4FmjJ6zSBLaL8eKtYRrAknRHF39XntIvIFfdRRs.rjWlRRUm1vO74LKm.x0i521ZKbjOYjDj2.i9IF7ny.jP19dEIw",mdrd: "6E_WdSun6f5KH3ZrEsjptnwCHnKDXa_eHzjGkZwFHro-1739781758-1.2.1.1-uzudxGer4cPlBs3DkFZ0epP3nppITs8mW6kwGhboYdKAlbhb5JzZBByYFxvzJ1eFbHgO3cK_WRFgSoGU8mfm5yjpvN6JZvwF9UlPm4N2pR2QXWWy8k9OKV2ugpVf7W1O44_cJwsbe8BoJQ5Nt_2lFxwMCQZBWEOkLQ1jYmSQ2xVonh0X7ZjFPLRdwEWBF3mvzUxoNLIsHiKw.dI0FSa0mFa9L9yckt4np5Non9E4h6aigC2uAxVmzwx4rBVy5vZyh6eTEs1IYK8t8nE3TV_Dp5YbNj_fb_d9cRKR4ma30MlVj13zHC9U9D_um_3y9jRAueF0RyMMJzqfHjb7h6B5HEEUscJSgcdVR6ZY3GdXI_Pn_hLWqWNuWHRSiB09q_PyNWqwYMLKV43mSouwY69Tgky.0ox_gvpE9u1w3cnKbbQm3HsAoUyKT.WYIG7fJepif48RUFFjhZLD5ebA.xe9gxlel6JcfB9vSSj1VIu1DR36cHNS9QA_qE5Ci5TLT9AkX0unaJFEhQkucDGFGqid2kHbli7Zal6xScvcbB9wfBURiv1Ij4eXb4Syq8eGT7etPQJjW4BvRXF5OertqnCBsiK22BaAU.vPbWpTiVQPzoGDIKXPoIG8TC5J4ol0pyHPjfrmTyez5.dm.Oyl2mHSEvJjatCcBMqh.r.kFmAWAK5QP7YH3Zcz1hAlDKeSFUHEr2Lq8516w8tRrvqQeUrOlNd1t00OOlgM2L9gHE5c_O6x.kd7FOBiWVyrixC5dg0iwMOUC0x_zjwxW3GDoP1Otr4cLD9FSZ5MRaX0bHCNtN.sZWFRo460GsU28jDEloOMmuhCC_zoDhqexv_xvHPIEfXJ4.avqrHJgq7L66gr9OiHZ7ypjUlvhUBrhx1SL.FHElQbtGvs6aDckqwL2RX5vqM7txAv1cmKFevngxe04XyReKoTqK_2yOipR3uX_Fkp6y1t3b_HsRnh1R9ZU3ow7VVkQnFLPbVAfYjm0NEvyVSvBEhlQ0eE3dsjjnwqYmcKBET3ClStG8Xf0COkiNUve8dt0Oi95q2Zzq1bdxiPkFATzKjg.N7kKJ2RCv8ZeqxPfEzLcn1kLbw24WNAQXqC.b9cQZF_81hukR687UoJh7Kydlx_diDNnN.XbIjHybAL5TbRm4WYO4ndVTs7fR1WY2rYxRooNIwai5kdUF75b6qBIhNQrAY_pJGFp9RkeEU4huAyzq12NSMZ.YovtUjXj95DaTyKsWEF0H5QfPzL1.j.Qq6WemHIgrcQ_K0P47irinwZIaerELMxnup02d2v9bLMFjmAmvejVxaVmlEMmzoLnIoRDJmms5ASiPus1LX9T33cF_xCaoLNLKl.GqOXVg3djuL7nozXwf7lfUQFcGumdSI91RIrTIV9GoMW13ZrwSMWGLm0wq4V8xViuLPuCJcc0wl._8gtvi1z21G51eK5turNIn6d4Is8ZMCN9UosWahzB7kG_78D7ZfHSqby10pO2LxGr7hdiwKJimLiB99t2osK.jxy16wnQBHIWZfHFsLgqB__6fqU2a9NSVm860aHc29Dt_IcYFWcJ69vX6i3rQyIK4JFkDAw0cIej2Y8U3hMNNryBtZOzwqtvdRHenFT9JLQYeE3q_lILLli9cr2T7rPel5c8d_IqjPw.DXviRKHiBsQBCOiR6jiRXUTKX5QdnWjBFfcTcOAvJ48L1er0BnosFkjrfM5a6INVs_cM6No_wF3j019TpgbZwYbg88RXme0ly05DqvkjBgb2RCXtwDGkqYR4MXC12VPMRcGFSi9Udbrrh8JUaIfXPhoM39qaQveQSMey6Fe3oYLowtWrLkHiUQNyFits0L7OIN3CEq4940nDt66RoIqtee8KGbPpWbg4DO4PdMBKho251AnXf3ZxsrkLVaV0k31SEyBNsq7W2MAEs7Y4GwRK6deKkWW5GgNAZf3ny9_4ZbiYXzqHwMyjkK81F4tmkfF7juS"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91347c38de34f938';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=E.coli&__cf_chl_rt_tk=Yu6gTfCGG.c3QOcdjdD2VUjwJ6cpL7pHFLeEGywa71c-1739781758-1.0.1.1-oxsQ7.khObFimPxr4_St0eQsuohpmQ8nMOm9Upt7P1I" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>