Antibacterial activity of chitosan solution against Xanthomonas pathogenic bacteria isolated from Euphorbia pulcherrima

Li, Bin; Wang, Xiao; Chen, Ruo-Xia; Huang-Fu, Wei-Guo; Xie, Guishui

doi:10.1016/j.carbpol.2007.08.012

Cited by 135 publications

(97 citation statements)

References 19 publications

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“…The results of this study indicated that the activity of chitosan was affected by the incubation time, which is consistent with the result of Li et al (2008), who found that a certain incubation time is required for chitosan to begin to inhibit bacterial growth.…”

Section: Resultssupporting

confidence: 91%

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Factors influencing antibacterial activity of chitosan against Aeromonas hydrophila and Staphylococcus aureus

et al. 2016

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In this study, the effect of the incubation time, incubation temperature, pH, metal and sodium ions on the antibacterial activity of chitosan against food borne spoilage bacteria focused. Aeromonas hydrophila and Staphylococcus aureus were used as two food borne bacteria. Acetic acid was used dissolving of chitosan. Results showed that chitosan solution at 5 mg/mL significantly inhibited the growth of A. hydrophila and S. aureus in presence of time, pH and metal ions (p <0.01). However, temperature did not significantly affect the antibacterial activity (4°C, 25°C and 37°C) (p >0.01). Chitosan activity increased with increasing incubation time. The influence of below pH 6 on the antibacterial activity of chitosan was significantly influenced (p<0.01). The addition of Ba+2 reduced chitosan activity against A. hydrophila while the addition of Ca+2 have increased chitosan activity against S. aureus. Sodium ions at a concentration of 25 mM reduced chitosan activity against S. aureus. These results show that chitosan can be used food industry to prevent the development of spoilage bacteria. Erdem et al., International Current Pharmaceutical Journal, April 2016, 5(5): 45-48

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Section: Resultssupporting

confidence: 91%

“…The tests were conducted set with chitosan and a control set without chitosan. Chitosan (0.5 g) was dissolved in 100 mL 1% acetic acid with pH adjusted to 5.2 with 1N NaOH (Li et al, 2008). After stirring at 160 rpm for 24 h at room temperature, this resulting stock solution was autoclaved…”

Section: Preparation Of Chitosan Stockmentioning

confidence: 99%

Factors influencing antibacterial activity of chitosan against Aeromonas hydrophila and Staphylococcus aureus

et al. 2016

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“…(Butel et al, 1998) and Xanthomonas sp. burs_22 (Li et al, 2008). However, few potentially pathogenic bacteria were detected in the upstream.…”

Section: Discussionmentioning

confidence: 99%

Effect of reclaimed water effluent on bacterial community structure in the Typha angustifolia L. rhizosphere soil of urbanized riverside wetland, China

Huang

Xiong

Liu

et al. 2017

Journal of Environmental Sciences

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In order to evaluate the impact of reclaimed water on the ecology of bacterial communities in the Typha angustifolia L. rhizosphere soil, bacterial community structure was investigated using a combination of terminal restriction fragment length polymorphism and 16S rRNA gene clone library. The results revealed significant spatial variation of bacterial communities along the river from upstream and downstream. For example, a higher relative abundance of γ-Proteobacteria, Firmicutes, Chloroflexi and a lower proportion of β-Proteobacteria and ε-Proteobacteria was detected at the downstream site compared to the upstream site. Additionally, with an increase of the reclaimed water interference intensity, the rhizosphere bacterial community showed a decrease in taxon richness, evenness and diversity. The relative abundance of bacteria closely related to the resistant of heavy-metal was markedly increased, while the bacteria related for carbon/nitrogen/phosphorus/sulfur cycling wasn't strikingly changed. Besides that, the pathogenic bacteria markedly increased in the downstream rhizosphere soil since reclaimed water supplement, while the possible plant growth-promoting rhizobacteria obviously reduced in the downstream sediment.Together these data suggest cause and effect between reclaimed water input into the wetland, shift in bacterial communities through habitat change, and alteration of capacity for biogeochemical cycling of contaminants.

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“…The dissolved solutions were alkalized with NaOH (Li et al, 2008) to different pH values (4.0, 5.6, 6.6, 7.6 and 8.6) for high concentrations of chitosan, while the pH values for low concentrations were adjusted to 5.6 and 6.6. Aqueous acetic acid solutions (0.25, 0.5 and 1.0%) alkalized by using NaOH and adjusted to pH 4.0, 5.6, 6.0, 7.6 and 8.6 to use as controls.…”

Section: Effect Of Chitosan Concentrations At Different Ph Values On mentioning

confidence: 99%

“…It has a higher antimicrobial activity, a broader spectrum of activity, a higher killing rate and a lower toxicity toward mammalian cells (Luo and Wang, 2013). Several investigations have been recently done on use of chitosan to control plant bacterial disease (Li et al, 2008(Li et al, , 2013bAlgam et al, 2010;Wang et al, 2012Wang et al, , 2014Coqueiro et al, 2011). Concentrations of chitosan that inhibit growth of bacteria differ according to bacterial species and the type of chitosan.…”

Section: Introductionmentioning

confidence: 99%

Use of Chitosan to Control Crown Gall Disease

El-Rahman¹,

Ghany²,

Moussa³

et al. 2015

Plant Pathology J.

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A B S T R A C TThe antibacterial activity of chitosan solution against Agrobacterium tumifaciens was investigated in this study. The in vitro antibacterial effect of chitosan against A. tumifaciens was affected by chitosan concentrations, pH value, concentration of acetic acid used to dissolve chitosan and incubation time. Chitosan concentrations 2.5 mg mLG 1 and 5 mg mLG 1 exhibited strong antibacterial activity at the pH 6.6 and 5.6, respectively. The gall diameter and gall weight of tomato seedlings at dipping time 10 and 20 min was significantly reduced by chitosan concentrations 2.5 and 5 mg mLG 1 at pH 6.6 and 5.6, respectively. The viable bacterial counts after 8 h of incubation in chitosan concentration 5 mg mLG 1 at pH 5.6 was 0.0 log CFU mLG 1 .

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Antibacterial activity of chitosan solution against Xanthomonas pathogenic bacteria isolated from Euphorbia pulcherrima

Cited by 135 publications

References 19 publications

Factors influencing antibacterial activity of chitosan against Aeromonas hydrophila and Staphylococcus aureus

Factors influencing antibacterial activity of chitosan against Aeromonas hydrophila and Staphylococcus aureus

Effect of reclaimed water effluent on bacterial community structure in the Typha angustifolia L. rhizosphere soil of urbanized riverside wetland, China

Use of Chitosan to Control Crown Gall Disease

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