Enterobacter cloacae, an Emerging Plant-Pathogenic Bacterium Affecting Chili Pepper Seedlings

García-González, Tanahiri; Sáenz-Hidalgo, Hilda Karina; Silva-Rojas, Hilda Victoria; Morales-Nieto, Carlos R.; Vancheva, Taca; Koebnik, Ralf; Ávila-Quezada, Graciela Dolores

doi:10.5423/ppj.oa.06.2017.0128

Cited by 59 publications

(31 citation statements)

References 28 publications

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“…When P. chlororaphis was inoculated, several genera resulted differently distributed as evidenced by the heatmap ( Figure 4 and in Supplementary Figures S3 and S4 ). Among the genera more abundant in untreated samples were Duganella , Clostridium , Aeromonas , Enterobacter and Vogesella ; the majority of them are known to be animal/human pathogens, while only a few species, such as Clostridium puniceum [ 43 ] and Enterobacter cloacae [ 44 ], are correlated with plant diseases. On the other hand, genera such as Janthinobacterium , known for its antifungal features [ 45 ], Flavobacterium , often reported as plant growth-promoting rhizobacterium [ 46 ], Bacillus , Paenibacillus , Bradyrhizobium and others known for their PGP potential [ 47 , 48 , 49 , 50 , 51 , 52 ] were significantly more abundant in the P. chlororaphis ST9 treated communities.…”

Section: Resultsmentioning

confidence: 99%

Isolation and Characterization of Pseudomonas chlororaphis Strain ST9; Rhizomicrobiota and in Planta Studies

Bertani

Zampieri

Bez

et al. 2021

Plants

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The development of biotechnologies based on beneficial microorganisms for improving soil fertility and crop yields could help to address many current agriculture challenges, such as food security, climate change, pest control, soil depletion while decreasing the use of chemical fertilizers and pesticides. Plant growth-promoting (PGP) microbes can be used as probiotics in order to increase plant tolerance/resistance to abiotic/biotic stresses and in this context strains belonging to the Pseudomonas chlororaphis group have shown to have potential as PGP candidates. In this study a new P. chlororaphis isolate is reported and tested for (i) in vitro PGP features, (ii) whole-genome sequence analysis, and (iii) its effects on the rhizosphere microbiota composition, plant growth, and different plant genes expression levels in greenhouse experiments. Results showed that P. chlororaphis ST9 is an efficient rice root colonizer which integrates into the plant resident-microbiota and affects the expression of several plant genes. The potential use of this P. chlororaphis strain as a plant probiotic is discussed.

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Section: Resultsmentioning

confidence: 99%

Isolation and Characterization of Pseudomonas chlororaphis Strain ST9; Rhizomicrobiota and in Planta Studies

Bertani

Zampieri

Bez

et al. 2021

Plants

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“…Some of the bacteria and yeasts listed in Table 1 can cause infections in humans. These include Alcaligenes faecalis, which is often associated with local and systemic infections in humans (endocarditis, bacteremia, meningitis, endophthalmitis, skin and soft tissue infections, urinary tract infections, otitis media, peritonitis, and pneumonia) [127] and Enterobacter cloceae complex strains [128,129], as well as Candida quilliermondii and C. parapsilosis, which are in the group of six pathogenic species of yeast responsible for invasive candidiasis [130]. Most infections caused by the bacteria and yeasts listed in Table 1 are opportunistic infections.…”

Section: Alcaligenes Faecalismentioning

confidence: 99%

Microbiological Decontamination of Mycotoxins: Opportunities and Limitations

Piotrowska

2021

Toxins

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The contamination of food and feeds with mycotoxins poses a global health risk to humans and animals, with major economic consequences. Good agricultural and manufacturing practices can help control mycotoxin contamination. Since these actions are not always effective, several methods of decontamination have also been developed, including physical, chemical, and biological methods. Biological decontamination using microorganisms has revealed new opportunities. However, these biological methods require legal regulations and more research before they can be used in food production. Currently, only selected biological methods are acceptable for the decontamination of feed. This review discusses the literature on the use of microorganisms to remove mycotoxins and presents their possible mechanisms of action. Special attention is given to Saccharomyces cerevisiae yeast and lactic acid bacteria, and the use of yeast cell wall derivatives.

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“…Enterobacter tabaci was done using the method of García-González et al, [32]. Leaves of symptomatic maize plants were collected from a farm, and then were rinsed with sterile distilled water (SDW), disinfected with 0.3% sodium hypochlorite for 30s and rinsed with SDW for three times.…”

Section: The Isolation Of the Bacterial Pathogenmentioning

confidence: 99%

Plant Growth Promotion and Biocontrol Properties of Aneurinibacillus migulanus Isolated from Maize Roots (Zea mays)

Asogwa¹,

Ogbo

2021

JAMB

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Aims: To isolate Plant Growth Promoting Bacillus strain from maize roots, to evaluate its biocontrol potentials and to characterize the isolate using16S rRNA sequencing. Place and Duration of Study: Department of Applied Microbiology and Brewing, Nnamdi Azikiwe University, Awka, between February 2019 and March 2020. Methodology: The isolation of Plant Growth Promoting Rhizobacteria (PGPR) from maize roots was done using Pikovskaya (PVK) agar. Quantitative determination of phosphate was carried out using PVK broth. Evaluations of other plant growth promoting properties were carried out such as IAA, etc. Fusarium and Enterobacter plant pathogens were isolated from diseased maize plants. The in vitro antagonism effects of the PGPR isolates against the pathogens were analyzed using the dual culture plate technique. The pot experiment was carried out in a completely randomized design. Plant characteristics such as plant height, shoot and root weight, chlorophyll content, as well as disease assessment were recorded accordingly. The organisms were identified using phenotypic and molecular methods. Results: Seven PGPR bacteria were isolated from maize (Zea mays) roots using PVK agar. Aneurinibacillus migulanus gave the highest solubilization index of 4.21 while isolate IS48 gave the lowest solubilization index of 1.47. A. migulanus produced IAA, ammonia and cellulase enzyme but no hydrogen cyanide. The organism showed antagonism activity against the two tested phytopathogens. In the pot experiment, A. migulanus treated plants showed a statistically insignificant difference in maize plant height at P=0.05 but gave significant increases in shoot and root wet weights. The organism offered 83.33% and 71.43% protection against Enterobacter and Fusarium pathogens respectively in the pot experiment. Conclusion: A. migulanus solubilized phosphate in addition to other plant growth promoting properties. It showed biocontrol potentials both in vitro and in vivo and thus can be used as substitute for synthetic agrochemicals.

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Enterobacter cloacae, an Emerging Plant-Pathogenic Bacterium Affecting Chili Pepper Seedlings

Cited by 59 publications

References 28 publications

Isolation and Characterization of Pseudomonas chlororaphis Strain ST9; Rhizomicrobiota and in Planta Studies

Isolation and Characterization of Pseudomonas chlororaphis Strain ST9; Rhizomicrobiota and in Planta Studies

Microbiological Decontamination of Mycotoxins: Opportunities and Limitations

Plant Growth Promotion and Biocontrol Properties of Aneurinibacillus migulanus Isolated from Maize Roots (Zea mays)

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