Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants
<p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdo...
Ausführliche Beschreibung
Autor*in: |
Oggero Roberto [verfasserIn] Di Gioia Diana [verfasserIn] Locatelli Emanuela [verfasserIn] Tarasco Valentina [verfasserIn] Cordisco Lisa [verfasserIn] Savino Francesco [verfasserIn] Matteuzzi Diego [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2011 |
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Übergeordnetes Werk: |
In: BMC Microbiology - BMC, 2003, 11(2011), 1, p 157 |
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Übergeordnetes Werk: |
volume:11 ; year:2011 ; number:1, p 157 |
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DOI / URN: |
10.1186/1471-2180-11-157 |
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Katalog-ID: |
DOAJ045199655 |
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520 | |a <p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< | ||
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10.1186/1471-2180-11-157 doi (DE-627)DOAJ045199655 (DE-599)DOAJc4c0f4f7595a4891960d4696f3f581b1 DE-627 ger DE-627 rakwb eng QR1-502 Oggero Roberto verfasserin aut Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< Microbiology Di Gioia Diana verfasserin aut Locatelli Emanuela verfasserin aut Tarasco Valentina verfasserin aut Cordisco Lisa verfasserin aut Savino Francesco verfasserin aut Matteuzzi Diego verfasserin aut In BMC Microbiology BMC, 2003 11(2011), 1, p 157 (DE-627)326644997 (DE-600)2041505-9 14712180 nnns volume:11 year:2011 number:1, p 157 https://doi.org/10.1186/1471-2180-11-157 kostenfrei https://doaj.org/article/c4c0f4f7595a4891960d4696f3f581b1 kostenfrei http://www.biomedcentral.com/1471-2180/11/157 kostenfrei https://doaj.org/toc/1471-2180 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1, p 157 |
spelling |
10.1186/1471-2180-11-157 doi (DE-627)DOAJ045199655 (DE-599)DOAJc4c0f4f7595a4891960d4696f3f581b1 DE-627 ger DE-627 rakwb eng QR1-502 Oggero Roberto verfasserin aut Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< Microbiology Di Gioia Diana verfasserin aut Locatelli Emanuela verfasserin aut Tarasco Valentina verfasserin aut Cordisco Lisa verfasserin aut Savino Francesco verfasserin aut Matteuzzi Diego verfasserin aut In BMC Microbiology BMC, 2003 11(2011), 1, p 157 (DE-627)326644997 (DE-600)2041505-9 14712180 nnns volume:11 year:2011 number:1, p 157 https://doi.org/10.1186/1471-2180-11-157 kostenfrei https://doaj.org/article/c4c0f4f7595a4891960d4696f3f581b1 kostenfrei http://www.biomedcentral.com/1471-2180/11/157 kostenfrei https://doaj.org/toc/1471-2180 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1, p 157 |
allfields_unstemmed |
10.1186/1471-2180-11-157 doi (DE-627)DOAJ045199655 (DE-599)DOAJc4c0f4f7595a4891960d4696f3f581b1 DE-627 ger DE-627 rakwb eng QR1-502 Oggero Roberto verfasserin aut Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< Microbiology Di Gioia Diana verfasserin aut Locatelli Emanuela verfasserin aut Tarasco Valentina verfasserin aut Cordisco Lisa verfasserin aut Savino Francesco verfasserin aut Matteuzzi Diego verfasserin aut In BMC Microbiology BMC, 2003 11(2011), 1, p 157 (DE-627)326644997 (DE-600)2041505-9 14712180 nnns volume:11 year:2011 number:1, p 157 https://doi.org/10.1186/1471-2180-11-157 kostenfrei https://doaj.org/article/c4c0f4f7595a4891960d4696f3f581b1 kostenfrei http://www.biomedcentral.com/1471-2180/11/157 kostenfrei https://doaj.org/toc/1471-2180 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1, p 157 |
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10.1186/1471-2180-11-157 doi (DE-627)DOAJ045199655 (DE-599)DOAJc4c0f4f7595a4891960d4696f3f581b1 DE-627 ger DE-627 rakwb eng QR1-502 Oggero Roberto verfasserin aut Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< Microbiology Di Gioia Diana verfasserin aut Locatelli Emanuela verfasserin aut Tarasco Valentina verfasserin aut Cordisco Lisa verfasserin aut Savino Francesco verfasserin aut Matteuzzi Diego verfasserin aut In BMC Microbiology BMC, 2003 11(2011), 1, p 157 (DE-627)326644997 (DE-600)2041505-9 14712180 nnns volume:11 year:2011 number:1, p 157 https://doi.org/10.1186/1471-2180-11-157 kostenfrei https://doaj.org/article/c4c0f4f7595a4891960d4696f3f581b1 kostenfrei http://www.biomedcentral.com/1471-2180/11/157 kostenfrei https://doaj.org/toc/1471-2180 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1, p 157 |
allfieldsSound |
10.1186/1471-2180-11-157 doi (DE-627)DOAJ045199655 (DE-599)DOAJc4c0f4f7595a4891960d4696f3f581b1 DE-627 ger DE-627 rakwb eng QR1-502 Oggero Roberto verfasserin aut Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< Microbiology Di Gioia Diana verfasserin aut Locatelli Emanuela verfasserin aut Tarasco Valentina verfasserin aut Cordisco Lisa verfasserin aut Savino Francesco verfasserin aut Matteuzzi Diego verfasserin aut In BMC Microbiology BMC, 2003 11(2011), 1, p 157 (DE-627)326644997 (DE-600)2041505-9 14712180 nnns volume:11 year:2011 number:1, p 157 https://doi.org/10.1186/1471-2180-11-157 kostenfrei https://doaj.org/article/c4c0f4f7595a4891960d4696f3f581b1 kostenfrei http://www.biomedcentral.com/1471-2180/11/157 kostenfrei https://doaj.org/toc/1471-2180 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1, p 157 |
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Antagonistic effect of <it<Lactobacillus </it<strains against gas-producing coliforms isolated from colicky infants |
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<p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< |
abstractGer |
<p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< |
abstract_unstemmed |
<p<Abstract</p< <p<Background</p< <p<Infantile colic is a common disturb within the first 3 months of life, nevertheless the pathogenesis is incompletely understood and treatment remains an open issue. Intestinal gas production is thought to be one of the causes of abdominal discomfort in infants suffering from colic. However, data about the role of the amount of gas produced by infants' colonic microbiota and the correlation with the onset of colic symptoms are scanty. The benefit of supplementation with lactobacilli been recently reported but the mechanisms by which they exert their effects have not yet been fully defined. This study was performed to evaluate the interaction between <it<Lactobacillus </it<spp. strains and gas-forming coliforms isolated from stools of colicky infants.</p< <p<Results</p< <p<Strains of coliforms were isolated from stools of 45 colicky and 42 control breastfed infants in McConkey Agar and identified using PCR with species-specific primers, and the BBL™ Enterotube™ II system for <it<Enterobacteriaceae</it<. Gas-forming capability of coliforms was assessed in liquid cultures containing lactose as sole carbon source. The average count of total coliforms in colicky infants was significantly higher than controls: 5.98 (2.00-8.76) log<sub<10 </sub<<it<vs </it<3.90 (2.50-7.10) CFU/g of faeces (p = 0.015). The following strains were identified: <it<Escherichia coli</it<, <it<Klebsiella pneumoniae</it<, <it<Klebsiella oxytoca</it<, <it<Enterobacter aerogenes</it<, <it<Enterobacter cloacae </it<and <it<Enterococcus faecalis</it<. Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. Our findings may stimulate new researches to identify which <it<Lactobacillus </it<strains can improve colicky symptoms by acting on coliforms gut colonization.</p< |
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Then, 27 <it<Lactobacillus </it<strains were tested for their antagonistic effect against coliforms both by halo-forming method and in liquid co-cultures. <it<Lactobacillus delbrueckii </it<subsp.<it<delbrueckii </it<DSM 20074 and <it<L. plantarum </it<MB 456 were able to inhibit all coliforms strains (halo-forming method), also in liquid co-cultures, thus demonstrating an antagonistic activity.</p< <p<Conclusions</p< <p<This study shows that two out of 27 strains of <it<Lactobacillus </it<examined possess an antimicrobial effect against six species of gas-forming coliforms isolated from colicky infants. 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