Streptomyces palmae CMU-AB204T, an antifungal producing-actinomycete, as a potential biocontrol agent to protect palm oil producing trees from basal stem rot disease fungus, Ganoderma boninense

Sujarit, Kanaporn; Pathom-aree, Wasu; Mori, Masayuki; Dobashi, Kazuyuki; Shiomi, Kazuro; Lumyong, Saisamorn

doi:10.1016/j.biocontrol.2020.104307

Cited by 32 publications

(30 citation statements)

References 35 publications

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“…The antifungal metabolites produced in the synthetic medium of Streptomyces species are known to be efficient against oil palm pathogenic fungi (Nur Azura et al, 2016;Saeed et al, 2017;Shariffah-Muzaimah et al, 2018Sujarit et al, 2020;Sunpapao et al, 2018). However, knowledge about the antifungal metabolites produced in POME of S. philanthi RM-1-138 against C. oryzae, G. boninense and C. paradoxa is limited.…”

Section: Discussionmentioning

confidence: 99%

“…Antifungal compounds from Streptomyces have been used to control pathogenic fungi such as Fusarium oxysporum f. sp. cubense race 4 (Duan et al, 2020;Wei et al, 2020), Colletotrichum fragariae (Li et al, 2021), Penicillium digitatum (Boukaew et al, 2020a), Ganoderma boninense (Sujarit et al, 2020), Curvularia lunata (Wonglom et al, 2019) and Curvularia oryzae (Sunpapao et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Utilization of palm oil mill effluent as a novel substrate for the production of antifungal compounds by Streptomyces philanthi RM-1-138 and evaluation of its efficacy in suppression of three strains of oil palm pathogen

Boukaew

Cheirsilp

Yossan

et al. 2022

Journal of Applied Microbiology

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Aims: This study aimed to use palm oil mill effluent (POME) as a renewable resource for the production of antifungal compounds by Streptomyces philanthi RM-1-138 against Ganoderma boninense, Ceratocystis paradoxa and Curvularia oryzae. Methods and results:The efficacy of antifungal compounds RM-1-138 against the three strains of fungal oil palm pathogen was evaluated both in vitro and on oil palm leaf segments. In vitro studies using confrontation tests on glucose yeast-malt extract (GYM) agar plates indicated that the strain RM-1-138 inhibited the growth of all three fungal pathogenic strains. The antifungal compounds produced in the GYM medium exhibited significantly higher inhibition (79%-100%) against the three fungal pathogens than using the diluted POME (50%) medium (80%-83% inhibition). The optimum condition for the production of antifungal compounds from the strain RM-1-138 was as following: POME of 47,966 mg L −1 chemical oxygen demand (COD), the initial pH at 7.0 and supplemented with yeast extract (0.4%). Meanwhile, severe morphological and internal abnormalities in C. oryzae hyphae were observed under a scanning electron microscope and transmission electron microscope. In vivo experiment on oil palm leaf segments indicated that the efficacy of the antifungal compounds RM-1-138 (DSI = 1.3) were not significantly difference in the suppression of Curvularia leaf spot compared with the two commercial chemical fungicides of mancozeb ® (DSI = 1.0) and tetraconazole ® (DSI = 1.3). Conclusions:Antifungal compounds produced by S. philanthi RM-1-138 grown in POME have the potential to inhibit fungal pathogens. Significance and impact of the study:The POME (about 47 mg L −1 COD) with the initial pH of 7.0 and supplementation of 0.4% nitrogen could be used as a culture medium for the growth and production of antifungal compounds of S. philanthi RL-1-138. In addition, the antifungal compound RM-1-138 could suppress the three strains of oil palm fungal pathogen tested on oil palm leaf segment.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Utilization of palm oil mill effluent as a novel substrate for the production of antifungal compounds by Streptomyces philanthi RM-1-138 and evaluation of its efficacy in suppression of three strains of oil palm pathogen

Boukaew

Cheirsilp

Yossan

et al. 2022

Journal of Applied Microbiology

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“…tritici. In addition, S. palmae CMU-AB204T spore encapsulating in alginate beads against Ganoderma boninense, revealed the lowest severity of foliar symptoms at 4.5% and reduced the percentage of disease severity by 75.8% (Kanaporn et al, 2020). Pour et al (2019) report that Pseudomonas fluorescens strains nanocomposite beads showed a longer shelf life than non-coating bacteria and better control Fusarium solani disease's efficacy under greenhouse gas conditions.…”

Section: Use Of Encapsulated Formulations For Their Application In the Biological Control Of Phytopathogensmentioning

confidence: 96%

Application of Streptomyces Antimicrobial Compounds for the Control of Phytopathogens

Pacios‐Michelena

González

Álvarez-Pérez

et al. 2021

Front. Sustain. Food Syst.

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One of the relevant problems in today's agriculture is related to phytopathogenic microorganisms that cause between 30–40% of crop losses. Synthetic chemical pesticides and antibiotics have brought human and environmental health problems and microbial resistance to these treatments. So, the search for natural alternatives is necessary. The genus Streptomyces have broad biotechnological potential, being a promising candidate for the biocontrol of phytopathogenic microorganisms. The efficacy of some species of this genus in plant protection and their continued presence in the intensely competitive rhizosphere is due to its great potential to produce a wide variety of soluble bioactive secondary metabolites and volatile organic compounds. However, more attention is still needed to develop novel formulations that could increase the shelf life of streptomycetes, ensuring their efficacy as a microbial pesticide. In this sense, encapsulation offers an advantageous and environmentally friendly option. The present review aims to describe some phytopathogenic microorganisms with economic importance that require biological control. In addition, it focuses mainly on the Streptomyces genus as a great producer of secondary metabolites that act on other microorganisms and plants, exercising its role as biological control. The review also covers some strategies and products based on Streptomyces and the problems of its application in the field.

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“…The treatment of this microbe against G. boninense showed a reduced percentage of disease severity (DS) of 81.6% and reduced the severity of foliar symptoms (SFS) to 3.7% when the free-spores were applied to the seedlings. Moreover, DS and SFS were also reduced to 75.8% and 4.5% when the spores were encapsulated with alginate beads [ 107 ]. This actinomycete produced several bioactive compounds, such as actinopyrone A, anguinomycin A and leptomycin A, which inhibited the growth of G. boninense [ 107 , 108 ].…”

Section: Detection and Control Strategiesmentioning

confidence: 99%

Review Update on the Life Cycle, Plant–Microbe Interaction, Genomics, Detection and Control Strategies of the Oil Palm Pathogen Ganoderma boninense

Bharudin

Wahab

Samad

et al. 2022

Biology

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Plant pathogens are key threats to agriculture and global food security, causing various crop diseases that lead to massive economic losses. Palm oil is a commodity export of economic importance in Southeast Asia, especially in Malaysia and Indonesia. However, the sustainability of oil palm plantations and production is threatened by basal stem rot (BSR), a devastating disease predominantly caused by the fungus Ganoderma boninense Pat. In Malaysia, infected trees have been reported in nearly 60% of plantation areas, and economic losses are estimated to reach up to ~USD500 million a year. This review covers the current knowledge of the mechanisms utilized by G. boninense during infection and the methods used in the disease management to reduce BSR, including cultural practices, chemical treatments and antagonistic microorganism manipulations. Newer developments arising from multi-omics technologies such as whole-genome sequencing (WGS) and RNA sequencing (RNA-Seq) are also reviewed. Future directions are proposed to increase the understanding of G. boninense invasion mechanisms against oil palm. It is hoped that this review can contribute towards an improved disease management and a sustainable oil palm production in this region.

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Streptomyces palmae CMU-AB204T, an antifungal producing-actinomycete, as a potential biocontrol agent to protect palm oil producing trees from basal stem rot disease fungus, Ganoderma boninense

Cited by 32 publications

References 35 publications

Utilization of palm oil mill effluent as a novel substrate for the production of antifungal compounds by Streptomyces philanthi RM-1-138 and evaluation of its efficacy in suppression of three strains of oil palm pathogen

Utilization of palm oil mill effluent as a novel substrate for the production of antifungal compounds by Streptomyces philanthi RM-1-138 and evaluation of its efficacy in suppression of three strains of oil palm pathogen

Application of Streptomyces Antimicrobial Compounds for the Control of Phytopathogens

Review Update on the Life Cycle, Plant–Microbe Interaction, Genomics, Detection and Control Strategies of the Oil Palm Pathogen Ganoderma boninense

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