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Probiotic potential of Weissella strains isolated from horse feces
In this study, we isolated four Weissella confusa strains from the healthy horse feces to test their potential as equine probiotics. The identification and characteristics of these isolates were determined as per standard methods. Resistance and susceptibility of the isolated strains were tested to...
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Published in: | Microbial pathogenesis 2019-07, Vol.132, p.117-123 |
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description | In this study, we isolated four Weissella confusa strains from the healthy horse feces to test their potential as equine probiotics. The identification and characteristics of these isolates were determined as per standard methods. Resistance and susceptibility of the isolated strains were tested to low pHs, different heat treatments, commonly used antibiotics and against the pathogenic strains of Salmonella, Pasteurella, Staphylococcus aureus, and Escherichia coli. After 3 h cultural in different pH medium, the 4 strains still had a certain amount of survival above pH 3.0. WH2 and WH4 were still viable at pH2.5. All the isolated strains showed proper growth at 60 °C while no strain survived at 80 °C. The inhibition of α-amylase, the scavenging ability of free radical DPPH· and hydroxyl free radical HO·were also investigated. The results showed that WH4 had highest inhibition rate of α-amylase activity and DPPH· free radical scavenging rate, and the inhibition rate of α-amylase activity was 24.09% and the DPPH· free radical scavenging rate was 35.78%. The inhibition rate ofα-amylase activity and DPPH· scavenging rate of free radicals in the other three strains were about 10%. The clearance rate of hydroxyl radical (HO·) in 4 strains was between 12% and 15%. The antibiotic susceptibilities varied for these four Weisella strains but all of them showed resistance against the frequently used equine antibiotics. All the four strains successfully suppressed the growth of standard strains in in vitro bacteriostasis experiment, which included Salmonella enteritidis (NTNC13349), Escherichia coli (C83902) and Staphylococcus aureus (BNCC186335). they also successfully suppressed the growth of state key laboratory isolating pathogens, which are Pasterurella multocida and Salmonella. Our findings suggest that the isolated strains of Weissella confusa can act as potential equine probiotics and should be explored further.
•Weissella confusa strains from the healthy horse feces to test their potential as probiotics.•Isolated strains were tested to low pHs, different heat treatments, antibiotics and against the pathogenic strains.•Weissella confusa can act as potential probiotics and should be explored further. |
doi_str_mv | 10.1016/j.micpath.2019.04.032 |
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•Weissella confusa strains from the healthy horse feces to test their potential as probiotics.•Isolated strains were tested to low pHs, different heat treatments, antibiotics and against the pathogenic strains.•Weissella confusa can act as potential probiotics and should be explored further.</description><identifier>ISSN: 0882-4010</identifier><identifier>EISSN: 1096-1208</identifier><identifier>DOI: 10.1016/j.micpath.2019.04.032</identifier><identifier>PMID: 31009656</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Growth characteristics ; Probiotic ; Stress tolerance ; Weissella</subject><ispartof>Microbial pathogenesis, 2019-07, Vol.132, p.117-123</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright © 2019 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-490bbb82cf4b4cc08b4647c1914489757291a3507857e6f897b85f92c13904d43</citedby><cites>FETCH-LOGICAL-c365t-490bbb82cf4b4cc08b4647c1914489757291a3507857e6f897b85f92c13904d43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31009656$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xia, Ying</creatorcontrib><creatorcontrib>Qin, Songkang</creatorcontrib><creatorcontrib>Shen, Yaoqin</creatorcontrib><title>Probiotic potential of Weissella strains isolated from horse feces</title><title>Microbial pathogenesis</title><addtitle>Microb Pathog</addtitle><description>In this study, we isolated four Weissella confusa strains from the healthy horse feces to test their potential as equine probiotics. The identification and characteristics of these isolates were determined as per standard methods. Resistance and susceptibility of the isolated strains were tested to low pHs, different heat treatments, commonly used antibiotics and against the pathogenic strains of Salmonella, Pasteurella, Staphylococcus aureus, and Escherichia coli. After 3 h cultural in different pH medium, the 4 strains still had a certain amount of survival above pH 3.0. WH2 and WH4 were still viable at pH2.5. All the isolated strains showed proper growth at 60 °C while no strain survived at 80 °C. The inhibition of α-amylase, the scavenging ability of free radical DPPH· and hydroxyl free radical HO·were also investigated. The results showed that WH4 had highest inhibition rate of α-amylase activity and DPPH· free radical scavenging rate, and the inhibition rate of α-amylase activity was 24.09% and the DPPH· free radical scavenging rate was 35.78%. The inhibition rate ofα-amylase activity and DPPH· scavenging rate of free radicals in the other three strains were about 10%. The clearance rate of hydroxyl radical (HO·) in 4 strains was between 12% and 15%. The antibiotic susceptibilities varied for these four Weisella strains but all of them showed resistance against the frequently used equine antibiotics. All the four strains successfully suppressed the growth of standard strains in in vitro bacteriostasis experiment, which included Salmonella enteritidis (NTNC13349), Escherichia coli (C83902) and Staphylococcus aureus (BNCC186335). they also successfully suppressed the growth of state key laboratory isolating pathogens, which are Pasterurella multocida and Salmonella. Our findings suggest that the isolated strains of Weissella confusa can act as potential equine probiotics and should be explored further.
•Weissella confusa strains from the healthy horse feces to test their potential as probiotics.•Isolated strains were tested to low pHs, different heat treatments, antibiotics and against the pathogenic strains.•Weissella confusa can act as potential probiotics and should be explored further.</description><subject>Growth characteristics</subject><subject>Probiotic</subject><subject>Stress tolerance</subject><subject>Weissella</subject><issn>0882-4010</issn><issn>1096-1208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkMtOwzAQRS0EglL4BFCWbBLGjzy8QlDxkirBAsTSSpyJ6iqJg-0i8fe4amHLakaje-fOHEIuKGQUaHG9zgajpzqsMgZUZiAy4OyAzCjIIqUMqkMyg6piqQAKJ-TU-zUASMHlMTnhNLZFXszI3auzjbHB6GSyAcdg6j6xXfKBxnvs-zrxwdVm9Inxtq8Dtknn7JCsrPOYdKjRn5Gjru49nu_rnLw_3L8tntLly-Pz4naZal7kIRUSmqapmO5EI7SGqhGFKDWVVIhKlnnJJK15DmWVl1h0cdRUeSeZplyCaAWfk6vd3snZzw36oAbj9fbGEe3GK8Yop0JGY5TmO6l21nuHnZqcGWr3rSioLT61Vnt8aotPgVARX_Rd7iM2zYDtn-uXVxTc7AQYH_0y6JTXBkeNrXGog2qt-SfiB_X_glo</recordid><startdate>201907</startdate><enddate>201907</enddate><creator>Xia, Ying</creator><creator>Qin, Songkang</creator><creator>Shen, Yaoqin</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201907</creationdate><title>Probiotic potential of Weissella strains isolated from horse feces</title><author>Xia, Ying ; Qin, Songkang ; Shen, Yaoqin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-490bbb82cf4b4cc08b4647c1914489757291a3507857e6f897b85f92c13904d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Growth characteristics</topic><topic>Probiotic</topic><topic>Stress tolerance</topic><topic>Weissella</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xia, Ying</creatorcontrib><creatorcontrib>Qin, Songkang</creatorcontrib><creatorcontrib>Shen, Yaoqin</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Microbial pathogenesis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xia, Ying</au><au>Qin, Songkang</au><au>Shen, Yaoqin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Probiotic potential of Weissella strains isolated from horse feces</atitle><jtitle>Microbial pathogenesis</jtitle><addtitle>Microb Pathog</addtitle><date>2019-07</date><risdate>2019</risdate><volume>132</volume><spage>117</spage><epage>123</epage><pages>117-123</pages><issn>0882-4010</issn><eissn>1096-1208</eissn><abstract>In this study, we isolated four Weissella confusa strains from the healthy horse feces to test their potential as equine probiotics. The identification and characteristics of these isolates were determined as per standard methods. Resistance and susceptibility of the isolated strains were tested to low pHs, different heat treatments, commonly used antibiotics and against the pathogenic strains of Salmonella, Pasteurella, Staphylococcus aureus, and Escherichia coli. After 3 h cultural in different pH medium, the 4 strains still had a certain amount of survival above pH 3.0. WH2 and WH4 were still viable at pH2.5. All the isolated strains showed proper growth at 60 °C while no strain survived at 80 °C. The inhibition of α-amylase, the scavenging ability of free radical DPPH· and hydroxyl free radical HO·were also investigated. The results showed that WH4 had highest inhibition rate of α-amylase activity and DPPH· free radical scavenging rate, and the inhibition rate of α-amylase activity was 24.09% and the DPPH· free radical scavenging rate was 35.78%. The inhibition rate ofα-amylase activity and DPPH· scavenging rate of free radicals in the other three strains were about 10%. The clearance rate of hydroxyl radical (HO·) in 4 strains was between 12% and 15%. The antibiotic susceptibilities varied for these four Weisella strains but all of them showed resistance against the frequently used equine antibiotics. All the four strains successfully suppressed the growth of standard strains in in vitro bacteriostasis experiment, which included Salmonella enteritidis (NTNC13349), Escherichia coli (C83902) and Staphylococcus aureus (BNCC186335). they also successfully suppressed the growth of state key laboratory isolating pathogens, which are Pasterurella multocida and Salmonella. Our findings suggest that the isolated strains of Weissella confusa can act as potential equine probiotics and should be explored further.
•Weissella confusa strains from the healthy horse feces to test their potential as probiotics.•Isolated strains were tested to low pHs, different heat treatments, antibiotics and against the pathogenic strains.•Weissella confusa can act as potential probiotics and should be explored further.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>31009656</pmid><doi>10.1016/j.micpath.2019.04.032</doi><tpages>7</tpages></addata></record> |
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subjects | Growth characteristics Probiotic Stress tolerance Weissella |
title | Probiotic potential of Weissella strains isolated from horse feces |
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