Antagonistic effects of volatiles generated by Bacillus subtilis on spore germination and hyphal growth of the plant pathogen, Botrytis cinerea

Chen, Hua; Xiao, Xiang; Wang, Jun; Wu, Lijun; Zheng, Zhiming; Zhang, Yu

doi:10.1007/s10529-007-9626-9

Cited by 131 publications

(70 citation statements)

References 15 publications

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“…This result is in agreement with previous findings [52] where 76.59% decrease in S. sclerotiorum growth is obtained using volatile organic compounds. B. subtilis is able to produce volatile elements exhibiting antifungal activity toward R. solani and B. cinerea [53,54].…”

Section: Discussionmentioning

confidence: 99%

Bio-suppression of Sclerotinia Stem Rot of Tomato and Biostimulation of Plant Growth Using Tomato-associated Rhizobacteria

Abdeljalil¹,

Vallance²

2016

J Plant Pathol Microbiol

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Section: Discussionmentioning

confidence: 99%

Bio-suppression of Sclerotinia Stem Rot of Tomato and Biostimulation of Plant Growth Using Tomato-associated Rhizobacteria

Abdeljalil¹,

Vallance²

2016

J Plant Pathol Microbiol

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“…Several fungicides are used to control plant pathogens in agriculture, but the side effect of these chemical agents have generated lots of environmental and health issues due to enrichment of chemical residues in the environment and development of fungal resistance to fungicides (Chen et al 2008a ). Stem canker of tomato is a serious disease caused by Botrytis cinerea.…”

Section: Production Of Fungicidesmentioning

confidence: 99%

Halophilic Bacteria: Potentials and Applications in Biotechnology

Mohammadipanah

Hamedi

Dehhaghi

2015

Sustainable Development and Biodiversity

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Halophilic bacteria are categorized based on their requirements to salt. They apply some strategies in adaptation to the high saline environment. Their low nutritional requirements and resistance to high concentrations of salt, introduce as potent agents in wide range of biotechnological applications. Halophilic bacteria are very divergent and more than 150 species introduce in 70 genera of halophilic bacteria are reported. Use of resistant microorganisms and their metabolites under harsh industrially conditions is a strikingly important subject. Various halophilic enzymes in different enzymatically processes, compatible solutes as macromolecule stabilizers, biopolymers, biofertilizers and pharmaceutically active molecules from halophilic bacteria are among the important applications of these group. Additionally, they have many potential in bioremediation of various organic and inorganic pollutants from environment. This chapter covers the different aspects of potential applications of halophilic bacteria in biotechnology. Keywords IntroductionMicrobial life exists in hypersaline habitat refl ects the adaption of microorganisms to high concentration of salts. Halophilic and halotolerant organisms are found in all three domains of life: Archaea , Bacteria , and Eukarya . According to the requirement

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“…As such, studies on beneficial inhibitory volatile metabolites are relatively new (Chen et al, 2008;El-Hasan et al, 2009;Fernando et al, 2005). Nevertheless, the role of volatile inhibitory compounds in biological control remains to be investigated and may have tremendous potential as the volatile compounds can be entrapped or immobilized in bioformulations and manipulated for applications in the field or for post-harvest disease management (misting, spraying and droplets).…”

Section: Introductionmentioning

confidence: 99%

Identification of Volatile Metabolites from Fungal Endophytes with Biocontrol Potential towards <i>Fusarium oxysporum</i> F. sp. <i>cubense</i> Race 4

Ting¹,

Mah

Tee

2010

American Journal of Agricultural and Biological Sciences

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Problem statement: Fungal endophytes are widely studied for their potential as biocontrol agents towards fungal pathogens. In vitro assessments usually reveal their antibiosis and mycoparasitism nature, but little is understood regarding their production of volatile metabolites as mechanisms of antagonism. Approach: This study explored the potential of fungal endophytes in controlling the pathogen responsible for Fusarium wilt disease. Nine fungal endophytes were tested for their ability to inhibit the growth of the pathogenic Fusarium oxysporum F. sp. cubense race 4 (FocR4) via production of volatile inhibitory metabolites. The type of volatile metabolites produced were subsequently characterized and identified using the Gas-Chromatography Mass-Spectrophotometry (GCMS). Results: Eight of the isolates (BTF05, BTF07, BTF08, BTF15, BTF21, WAA03, WAA02, MIF01) showed positive results with percentages of inhibition varying from 1.43-31.43% while one isolate (ALF01), showed negative result (0% inhibition). Volatile profiles showed that these fungal endophytes produced between 15-47 volatile metabolites per isolate. However, the more volatile metabolites produced by a single endophyte does not indicate better biocontrol potential. Isolate BTF05 produced 47 different volatile metabolites, but has only 8.57% inhibition, compared to isolate BTF21 with 15 metabolites but a percentage of 11.43% inhibition. The potency of the volatile metabolites produced may also influenced the biocontrol potential of the fungal endophytes as some isolates such as BTF08 and MIF01 have only two to three known inhibitory metabolites but have higher PIDG values at 31.43 and 11.43%, respectively. Contrary, isolates WAA02 and WAA03 which has five to six metabolites but PIDG values of less than 3%. Conclusion: Fungal endophytes have the ability to produce several types of volatile metabolites to inhibit the growth of FocR4. These volatile inhibitory metabolites can be further extracted and the amount produced ascertained for future manipulation in biological control of FocR4.

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Antagonistic effects of volatiles generated by Bacillus subtilis on spore germination and hyphal growth of the plant pathogen, Botrytis cinerea

Cited by 131 publications

References 15 publications

Bio-suppression of Sclerotinia Stem Rot of Tomato and Biostimulation of Plant Growth Using Tomato-associated Rhizobacteria

Bio-suppression of Sclerotinia Stem Rot of Tomato and Biostimulation of Plant Growth Using Tomato-associated Rhizobacteria

Halophilic Bacteria: Potentials and Applications in Biotechnology

Identification of Volatile Metabolites from Fungal Endophytes with Biocontrol Potential towards <i>Fusarium oxysporum</i> F. sp. <i>cubense</i> Race 4

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