Insect Antimicrobial Peptide Complexes Prevent Resistance Development in Bacteria
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{"title"=>"Insect antimicrobial peptide complexes prevent resistance development in bacteria", "type"=>"journal", "authors"=>[{"first_name"=>"Sergey", "last_name"=>"Chernysh", "scopus_author_id"=>"6602134087"}, {"first_name"=>"Natalia", "last_name"=>"Gordya", "scopus_author_id"=>"54402816600"}, {"first_name"=>"Tatyana", "last_name"=>"Suborova", "scopus_author_id"=>"23499763100"}], "year"=>2015, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84941335829", "pmid"=>"26177023", "pui"=>"605952056", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "scopus"=>"2-s2.0-84941335829", "doi"=>"10.1371/journal.pone.0130788", "issn"=>"19326203"}, "id"=>"0c1eba64-d2d6-3e8f-abc6-ce7cd208d8a8", "abstract"=>"In recent decades much attention has been paid to antimicrobial peptides (AMPs) as natural antibiotics, which are presumably protected from resistance development in bacteria. However, experimental evolution studies have revealed prompt resistance increase in bacteria to any individual AMP tested. Here we demonstrate that naturally occurring compounds containing insect AMP complexes have clear advantage over individual peptide and small molecule antibiotics in respect of drug resistance development. As a model we have used the compounds isolated from bacteria challenged maggots of Calliphoridae flies. The compound isolated from blow fly Calliphora vicina was found to contain three distinct families of cell membrane disrupting/permeabilizing peptides (defensins, cecropins and diptericins), one family of proline rich peptides and several unknown antimicrobial substances. Resistance changes under long term selective pressure of the compound and reference antibiotics cefotaxime, meropenem and polymyxin B were tested using Escherichia coli, Klebsiella pneumonia and Acinetobacter baumannii clinical strains. All the strains readily developed resistance to the reference antibiotics, while no signs of resistance growth to the compound were registered. Similar results were obtained with the compounds isolated from 3 other fly species. The experiments revealed that natural compounds containing insect AMP complexes, in contrast to individual AMP and small molecule antibiotics, are well protected from resistance development in bacteria. Further progress in the research of natural AMP complexes may provide novel solutions to the drug resistance problem.", "link"=>"http://www.mendeley.com/research/insect-antimicrobial-peptide-complexes-prevent-resistance-development-bacteria", "reader_count"=>49, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>3, "Librarian"=>1, "Researcher"=>8, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>8, "Student > Postgraduate"=>2, "Student > Master"=>6, "Other"=>1, "Student > Bachelor"=>13, "Lecturer > Senior Lecturer"=>1, "Professor"=>2}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>3, "Librarian"=>1, "Researcher"=>8, "Student > Doctoral Student"=>4, "Student > Ph. D. Student"=>8, "Student > Postgraduate"=>2, "Student > Master"=>6, "Other"=>1, "Student > Bachelor"=>13, "Lecturer > Senior Lecturer"=>1, "Professor"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Biochemistry, Genetics and Molecular Biology"=>13, "Agricultural and Biological Sciences"=>22, "Medicine and Dentistry"=>4, "Pharmacology, Toxicology and Pharmaceutical Science"=>2, "Veterinary Science and Veterinary Medicine"=>2, "Chemistry"=>2, "Computer Science"=>1, "Immunology and Microbiology"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>4}, "Chemistry"=>{"Chemistry"=>2}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>22}, "Computer Science"=>{"Computer Science"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>13}, "Unspecified"=>{"Unspecified"=>2}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>2}, "Veterinary Science and Veterinary Medicine"=>{"Veterinary Science and Veterinary Medicine"=>2}}, "reader_count_by_country"=>{"United States"=>1, "South Africa"=>1}, "group_count"=>2}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/2177956"], "description"=>"<p>Antibacterial activity, chromatographic, mass spectrometric and structural characteristics of active AMPs present in <i>C</i>. <i>vicina</i> AMP complex.</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484992, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.t002", "stats"=>{"downloads"=>5, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Antibacterial_activity_chromatographic_mass_spectrometric_and_structural_characteristics_of_active_AMPs_present_in_C_vicina_AMP_complex_/1484992", "title"=>"Antibacterial activity, chromatographic, mass spectrometric and structural characteristics of active AMPs present in <i>C</i>. <i>vicina</i> AMP complex.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-15 05:15:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/2177954"], "description"=>"<p>(A) Cefotaxime and polymyxin B combination. <i>E</i>. <i>coli</i> antibiotic sensitive strain 774.1 was exposed to selection by cefotaxime, polymyxin B or a mixture of polymyxin B and cefotaxime in the course of 15–20 daily transfers. Resistance level is expressed as fold change in MICs. 1 MIC unit is equal to 8 mg/L for polymyxin B, 0.125 mg/L for cefotaxime and 1.0 mg/L for a mixture containing cefotaxime and polymyxin B in ratio 1:32, correspondingly. Selection by cefotaxime, polymyxin B or a mixture of the antibiotics caused identical 8-fold increase of MIC. Differences in the mixture versus cefotaxime (W = 19, n = 6, P = 0.062) and polymyxin B (W = 19, n = 6, P = 0.062) effects on the rate of resistance development were statistically insignificant according to Wilcoxon test. (B) The compound containing <i>C</i>. <i>vicina</i> AMP complex and cefotaxime combination. <i>E</i>. <i>coli</i> strain 774.1 was exposed to selection by cefotaxime alone or cefotaxime in combination with the compound (50 mg/L) in the course of 15 daily transfers. Resistance level is expressed as cefotaxime fold change in MICs. 1 MIC unit corresponds to MIC value of cefotaxime at transfer 1 (0.125 mg/L). Delay of cefotaxime resistance development in presence of the compound sub-inhibitory concentration was statistically significant according to Wilcoxon test (W = 78, n = 12, P<0.02) and repeated measures ANOVA test (F = 16.465, η = 29, P = 0.001).</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484990, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.g003", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_MIC_changes_in_the_course_of_selection_by_the_combinations_of_antimicrobial_agents_/1484990", "title"=>"MIC changes in the course of selection by the combinations of antimicrobial agents.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-15 05:15:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/2177958"], "description"=>"<p>*KR–ratio of MIC after selection to MIC before selection</p><p>Resistance before and after selection by <i>Calliphora vomitoria</i>, <i>Lucilia sericata</i> and <i>Musca domestica</i> AMP complexes in <i>E. coli</i> 774.1 strain.</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484994, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.t004", "stats"=>{"downloads"=>2, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Resistance_before_and_after_selection_by_Calliphora_vomitoria_Lucilia_sericata_and_Musca_domestica_AMP_complexes_in_E_coli_774_1_strain_/1484994", "title"=>"Resistance before and after selection by <i>Calliphora vomitoria</i>, <i>Lucilia sericata</i> and <i>Musca domestica</i> AMP complexes in <i>E. coli</i> 774.1 strain.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-15 05:15:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/2177953"], "description"=>"<p>(A) <i>E</i>. <i>coli</i> 774.1 (reference antibiotic cefotaxime). <i>E</i>. <i>coli</i> antibiotic sensitive strain 774.1 was exposed to selection by the AMP complex or cefotaxime in the course of 25 daily transfers as explained in Materials and Methods section. Resistance rate is expressed as fold change in MICs. 1 MIC unit is equal to the MIC value at transfer 1 (250 mg/L for the compound and 0.125 mg/L for cefotaxime, correspondingly). Selection by cefotaxime caused 16-fold increase of MIC while no signs of MIC change were found in the compound treated population. Difference in the compound versus cefotaxime effects on the resistance development was highly significant according to Wilcoxon test statistics (W = 276, n = 23, P<0.001). (B) <i>E</i>. <i>coli</i> 774.1 (reference antibiotic polymyxin B). The strain was exposed to selection by the compound or polymyxin B in the course of 15 daily transfers. 1 MIC unit is equal to the MIC value at transfer 1 (250 mg/L for the compound and 8.0 mg/L for polymyxin B, correspondingly). Difference in the compound versus polymyxin B effects on the resistance development was highly significant according to Wilcoxon test statistics (W = 91, n = 13, P<0.022). (C) <i>E</i>. <i>coli</i> 863.1 (reference antibiotic meropenem). <i>E</i>. <i>coli</i> antibiotic multiresistant meropenem sensitive strain 863.1 was exposed to selection by the compound or meropenem in the course of 15 daily transfers. 1 MIC unit is equal to the MIC value at transfer 1 (500 mg/L for the compound and 0.125 mg/L for meropenem, correspondingly). Difference in the compound versus meropenem effects on the resistance development was highly significant according to Wilcoxon test statistics (W = 78, n = 12, P<0.020). (D) A. baumannii 882.2 (reference antibiotic polymyxin B). <i>A</i>. <i>baumannii</i> antibiotic multiresistant strain 882.2 was exposed to selection by the AMP complex or polymyxin B in the course of 35 daily transfers. 1 MIC unit is equal to the MIC value at transfer 1 (500 mg/L for the compound and 2 mg/L for polymyxin B, correspondingly). Difference in the compound versus polymyxin B effects on the resistance development were highly significant according to Wilcoxon test statistics (W = 561, n = 33, P<0.001).</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484989, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.g002", "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_MIC_changes_in_bacterial_strains_exposed_to_selection_by_the_compounds_containing_C_vicina_AMP_complex_or_conventional_antibiotics_/1484989", "title"=>"MIC changes in bacterial strains exposed to selection by the compounds containing <i>C</i>. <i>vicina</i> AMP complex or conventional antibiotics.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-15 05:15:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/2177952"], "description"=>"<p>1 mg of purified complex isolated from bacteria challenged <i>C</i>. <i>vicina</i> larvae were subjected to reversed-phase HPLC fractionation with 1 min intervals as described in Materials and Methods section. Optical density of the fractions was measured in mAU units at 214 nm wave length. 53 fractions were individually collected, lyophilized and stored at -70°C until further antimicrobial activity and mass spectrometry analyses summarized in <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0130788#pone.0130788.t002\" target=\"_blank\">Table 2</a>.</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484988, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.g001", "stats"=>{"downloads"=>2, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Chromatographic_characteristics_of_naturally_occurring_compound_containing_C_vicina_AMP_complex_/1484988", "title"=>"Chromatographic characteristics of naturally occurring compound containing <i>C</i>. <i>vicina</i> AMP complex.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-15 05:15:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/2177957"], "description"=>"<p>*K<sub>R</sub>−ratio of MIC after selection to MIC before selection.</p><p>Resistance development under selective pressure of cefotaxime, meropenem, polymyxin B and <i>C</i>. <i>vicina</i> AMP complex.</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484993, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.t003", "stats"=>{"downloads"=>1, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Resistance_development_under_selective_pressure_of_cefotaxime_meropenem_polymyxin_B_and_C_vicina_AMP_complex_/1484993", "title"=>"Resistance development under selective pressure of cefotaxime, meropenem, polymyxin B and <i>C</i>. <i>vicina</i> AMP complex.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-15 05:15:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/2177955"], "description"=>"<p>Antibiotic abbreviations: Amc—amoxicillin/clavulanic acid, Ami–amikacin, Net–netilmicin, Gen–gentamicin, Ipm–imipenem, Mem–meropenem, Chl–chloramphenicol, Cip–ciprofloxacin, Cfp—cefoperazone, Cfp/sul–cefoperazone, Sul—sulbactam, Caz–ceftazidime, Ctx–cefotaxime, Cpe–cefepime.</p><p>*- no data.</p><p>Antibiotic resistance spectra of bacterial strains used in selection experiments.</p>", "links"=>[], "tags"=>["Insect Antimicrobial Peptide Complexes", "resistance development", "peptide", "compound", "molecule antibiotics", "drug resistance development", "bacteria", "insect AMP complexes", "reference antibiotics cefotaxime", "drug resistance problem"], "article_id"=>1484991, "categories"=>["Biological Sciences"], "users"=>["Sergey Chernysh", "Natalia Gordya", "Tatyana Suborova"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0130788.t001", "stats"=>{"downloads"=>1, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Antibiotic_resistance_spectra_of_bacterial_strains_used_in_selection_experiments_/1484991", "title"=>"Antibiotic resistance spectra of bacterial strains used in selection experiments.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-15 05:15:23"}

PMC Usage Stats | Further Information

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  • {"unique-ip"=>"10", "full-text"=>"8", "pdf"=>"4", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"8"}
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Relative Metric

{"start_date"=>"2015-01-01T00:00:00Z", "end_date"=>"2015-12-31T00:00:00Z", "subject_areas"=>[]}
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