Biocontrol of Botrytis cinerea and Calonectria gracilis by eucalypts growth promoters Bacillus spp.

Paz, Isabel Cristina Padula; Santin, Rita de Cássia Madail; Guimarães, Alexandre Martins; Rosa, Osmar P.P.; Quecine, Maria Carolina; Silva, Michele de Cássia Pereira e; Azevedo, João Lúcio de; Matsumura, Aida Terezinha Santos

doi:10.1016/j.micpath.2018.05.026

Cited by 15 publications

(8 citation statements)

References 29 publications

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“…Santos et al [101] isolated endophyte bacteria in guarana seeds; the isolations showed growth inhibiting capacity of diverse phytopathogens. Antagonists have also been isolated from fruit, and these have shown potential for exploitation as BCA of postharvest diseases [14]. The marine environment is also a deposit of new bioactive compounds; thousands of unique compounds have been isolated from this environment [102,103].…”

Section: Search For New Antagonistsmentioning

confidence: 99%

Biocontrol of Postharvest Fruit Fungal Diseases by Bacterial Antagonists: A Review

et al. 2019

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This review deals with the main mechanisms of action exerted by antagonistic bacteria, such as competition for space and nutrients, suppression via siderophores, hydrolytic enzymes, antibiosis, biofilm formation, and induction of plant resistance. These mechanisms inhibit phytopathogen growth that affects postharvest fruit since quality and safety parameters are influenced by the action of these microorganisms, which cause production losses in more than 50% of fruit tree species. The use of synthetic fungicide products has been the dominant control strategy for diseases caused by fungi. However, their excessive and inappropriate use in intensive agriculture has brought about problems that have led to environmental contamination, considerable residues in agricultural products, and phytopathogen resistance. Thus, there is a need to generate alternatives that are safe, ecological, and economically viable to face this problem. Phytopathogen inhibition in fruit utilizing antagonist microorganisms has been recognized as a type of biological control (BC), which could represent a viable and environmentally safe alternative to synthetic fungicides. Despite the ecological benefit that derives from the use of controllers and biological control agents (BCA) at a commercial level, their application and efficient use has been minimal at a global level.

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Section: Search For New Antagonistsmentioning

confidence: 99%

Biocontrol of Postharvest Fruit Fungal Diseases by Bacterial Antagonists: A Review

et al. 2019

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“…This is due to compounds, such as the lipopeptides iturin, bacillomycin, fengycin, and surfactin, in which the efficiency was determined both in vitro by B. velezensis [13] and, in post-harvest apples, by B. subtilis [14]. Moreover, B. subtilis and B. amyloliquefaciens have been described as species with the capacity to produce and release antifungal volatile organic compounds (VOCs) against B. cinerea, thereby inhibiting the germination of their spores and the growth of their hyphae, both in vitro and in planta [15,16]. Finally, bacteria can compete in the phyllosphere for space, preventing the establishment of and attacking the necrotrophic fungus, as verified with B. amyloliquefaciens in tomato leaves, thanks to the formation of biofilms [17].…”

Section: Direct Biocontrol Against B Cinereamentioning

confidence: 99%

Insight into the Microbiological Control Strategies against Botrytis cinerea Using Systemic Plant Resistance Activation

2020

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Botrytis cinerea is a polyphagous necrotrophic fungus and is the causal agent of grey mold diseases in more than 1400 different hosts. This fungus causes serious economic losses in both preharvest and post-harvest—mainly in grape, strawberry, and tomato crops—and is the second most important pathogen worldwide, to our knowledge. Beneficial bacteria and fungi are efficient biocontrol agents against B. cinerea through direct mechanisms, such as parasitism, antibiosis, and competition, but also indirectly through the activation of systemic plant resistance. The interaction between plants and these microorganisms can lead to the development of defensive responses in distant plant organs, which are highly effective against foliar, flower, and fruit pathogens, such as B. cinerea. This review aimed to explore the systemic plant defense responses against B. cinerea by compiling all cases reported (to the best of our knowledge) on the use of beneficial bacteria and fungi for agriculture, a subject not yet specifically addressed.

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“…Bacillus species are ubiquitous in nature and have been isolated from numerous environments such as plants, animals, freshwater and the soil [3]. Some strains of Bacillus genus promote growth of different plants through various mechanisms, such as biofertilization, increasing accessibility of primary nutrients such as nitrogen, phosphate, potassium for the plant, phytostimulation through the production of phytohormones such as indole acetic acid (IAA), auxin and ethylene, as well as biocontrol by production of antimicrobial metabolites [4], [5], [6]. In addition, Bacillus species can form spores, an advantage that allows this group of bacteria to survive in unfavorable conditions [7].…”

Section: Datamentioning

confidence: 99%

Data on draft genome sequence of Bacillus sp. strain MHSD28, a bacterial endophyte isolated from Dicoma anomala

Makuwa

Serepa-Dlamini

2019

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Here, we present the draft genome sequence of Bacillus sp. strain MHSD28 which was sequenced, and assembled with a total length of 5,571,729 bp. The genome has 43 contigs, the largest contig with 1,785,042 bp, N50 of 1,474,247 bp, G + C% content of 35.23%. The strain was isolated from surface sterilized leaves of Dicoma anomala, obtained in Limpopo province, South Africa. The genome has 5792 total genes which include 5701 protein coding sequences (CDS), 192 pseudogenes, 7 rRNA genes with 3 operons (5S, 16S and 23S), 79 tRNA genes and 5 noncoding RNA (ncRNA) genes. This whole genome shotgun project has been deposited in DDBJ/ENA/GenBank under accession number VHIV00000000. The version described in this paper is version VHIV01000000.

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Biocontrol of Botrytis cinerea and Calonectria gracilis by eucalypts growth promoters Bacillus spp.

Cited by 15 publications

References 29 publications

Biocontrol of Postharvest Fruit Fungal Diseases by Bacterial Antagonists: A Review

Biocontrol of Postharvest Fruit Fungal Diseases by Bacterial Antagonists: A Review

Insight into the Microbiological Control Strategies against Botrytis cinerea Using Systemic Plant Resistance Activation

Data on draft genome sequence of Bacillus sp. strain MHSD28, a bacterial endophyte isolated from Dicoma anomala

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