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Plants in response to microbial and pest attacks are able to produce defence molecules such as antimicrobial peptides as components of their innate immunity, which can be explored for viral therapeutics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In this study, partially purified peptide-rich fraction (P-PPf) were obtained from aqueous extracts of seven plants by reverse-phase solid-phase extraction and cysteine-rich peptides detected by a modified TLC method. The peptide-enriched fractions and the aqueous (crude polar) were screened for antiviral effect against three non-polio enterovirus species C members using cytopathic effect reduction assay.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In this study, peptide fraction obtained from\n                      <jats:italic>Euphorbia hirta<\/jats:italic>\n                      leaf showed most potent antiviral effect against Coxsackievirus A13, Coxsackievirus A20, and Enterovirus C99 (EV-C99) with IC\n                      <jats:sub>50<\/jats:sub>\n                      \u2009&lt;\u20092.0\u00a0\u00b5g\/mL and selective index\u2009\u2265\u200981. EV-C99 was susceptible to all partially purified peptide fractions except\n                      <jats:italic>Allamanda blanchetii<\/jats:italic>\n                      leaf.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      These findings establish the antiviral potentials of plants antimicrobial peptides and provides evidence for the anti-infective use of\n                      <jats:italic>E. hirta<\/jats:italic>\n                      in ethnomedicine. This study provides basis for further scientific investigation geared towards the isolation, characterization and mechanistic pharmacological study of the detected cysteine-rich peptides.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12985-021-01628-7","type":"journal-article","created":{"date-parts":[[2021,8,4]],"date-time":"2021-08-04T05:03:05Z","timestamp":1628053385000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["In vitro antiviral activity of peptide-rich extracts from seven Nigerian plants against three non-polio enterovirus species C serotypes"],"prefix":"10.1186","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6487-9494","authenticated-orcid":false,"given":"Omonike O.","family":"Ogbole","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7202-8112","authenticated-orcid":false,"given":"Toluwanimi E.","family":"Akinleye","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8135-5131","authenticated-orcid":false,"given":"Abraham O.","family":"Nkumah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aminat O.","family":"Awogun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alfred F.","family":"Attah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5172-5808","authenticated-orcid":false,"given":"Moses O.","family":"Adewumi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0406-6707","authenticated-orcid":false,"given":"Adekunle J.","family":"Adeniji","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,8,4]]},"reference":[{"key":"1628_CR1","doi-asserted-by":"publisher","first-page":"238","DOI":"10.1016\/j.jviromet.2014.07.016","volume":"207","author":"AJ Adeniji","year":"2014","unstructured":"Adeniji AJ, Faleye TCO. 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