Enzyme activity of three mycoparasite isolates and their effect on Coffee Leaf Rust (Hemileia vastatrix Berk. &amp; Br.)

Cruz, Irene Gómez-de la; Guillén-Navarro, Karina; Huerta‐Palacios, Graciela; García-Fajardo, Luz Verónica; Martínez-Bolaños, Misael

doi:10.1007/s13199-022-00885-6

Cited by 3 publications

(3 citation statements)

References 40 publications

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Section: Hydrolytic Enzymes Produced By Bacillus Pumilusmentioning

confidence: 99%

“…Chitinases, cellulases, glucanases, and proteases are enzymes produced by various bacteria such as Aeromonas, Azospirillum, Bradyrhizobium, Serratia, Vibrio, Streptomyces, Bacillus, and fungi such as Aspergillus, Fusarium Trichoderma, and Penicillium, plants, Actinobacteria, arthropods, etc. (Juturu and Wu, 2014;Bělonožníková et al, 2022;Díaz-Díaz et al, 2022;Dobrzyński et al, 2022b;Fatima et al, 2022;Gómez-de la Cruz et al, 2022;Yin et al, 2023). Both B. pumilus and related species are able to synthesize the above-mentioned hydrolytic enzymes under various environmental conditions, which makes them potential biocontrol agents (Martínez-Zavala et al, 2020;Dobrzyński et al, 2021;Dimkić et al, 2022).…”

Section: Hydrolytic Enzymes Produced By Bacillus Pumilusmentioning

confidence: 99%

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Biocontrol of fungal phytopathogens by Bacillus pumilus

Dobrzyński¹,

Jakubowska²,

Kulkova³

et al. 2023

Front. Microbiol.

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Plant growth-promoting bacteria are one of the most interesting methods of controlling fungal phytopathogens. These bacteria can participate in biocontrol via a variety of mechanisms including lipopeptide production, hydrolytic enzymes (e.g., chitinase, cellulases, glucanase) production, microbial volatile organic compounds (mVOCs) production, and induced systemic resistance (ISR) triggering. Among the bacterial genera most frequently studied in this aspect are Bacillus spp. including Bacillus pumilus. Due to the range of biocontrol traits, B. pumilus is one of the most interesting members of Bacillus spp. that can be used in the biocontrol of fungal phytopathogens. So far, a number of B. pumilus strains that exhibit biocontrol properties against fungal phytopathogens have been described, e.g., B. pumilus HR10, PTB180, B. pumilus SS-10.7, B. pumilus MCB-7, B. pumilus INR7, B. pumilus SE52, SE34, SE49, B. pumilus RST25, B. pumilus JK-SX001, and B. pumilus KUDC1732. B. pumilus strains are capable of suppressing phytopathogens such as Arthrobotrys conoides, Fusarium solani, Fusarium oxysporum, Sclerotinia sclerotiorum, Rhizoctonia solani, and Fagopyrum esculentum. Importantly, B. pumilus can promote plant growth regardless of whether it alters the native microbiota or not. However, in order to increase its efficacy, research is still needed to clarify the relationship between the native microbiota and B. pumilus. Despite that, it can already be concluded that B. pumilus strains are good candidates to be environmentally friendly and commercially effective biocontrol agents.

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Section: Hydrolytic Enzymes Produced By Bacillus Pumilusmentioning

confidence: 99%

Section: Hydrolytic Enzymes Produced By Bacillus Pumilusmentioning

confidence: 99%

Biocontrol of fungal phytopathogens by Bacillus pumilus

Dobrzyński¹,

Jakubowska²,

Kulkova³

et al. 2023

Front. Microbiol.

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“…un díptero fungívoro, un ácaro fungívoro y un caracol generalista, que contribuirían al mantenimiento del patógeno en niveles bajos en los cafetales (Hajian-Forooshani et al, 2023). Por ejemplo, la producción de enzimas hidrolíticas por micoparásitos destruye las uredosporas (Gómez-de la Cruz et al, 2022). La interacción entre H. vastatrix y L. lecanii dentro de un cafetal parecen ser complejas y podrían involucrar múltiples mecanismos (Figura 3).…”

Section: Manejo De La Enfermedadunclassified

Diseases affecting the coffee crop: Elucidating the life cycle of Rust,Thread Blight and Cercospora Leaf Spot

Moreira-Morrillo,

Vélez-Zambrano,

Intra Moreira

et al. 2023

Sci. agropecu.

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Coffee (Coffea spp.) is the second most significant commodity worldwide, with C. arabica being its most representative species. The coffee crop is affected by different fungal diseases that reduce the photosynthetically active area of its leaves and the production of grains. In order of agronomic importance, the rust caused by the biotrophic pathogen Hemileia vastatrix is a disease difficult to manage due to its type of reproduction. Another no less important, Thread Blight, caused by the basidiomycetes Ceratobasidium noxium (Syn. Corticium koleroga) and C. chavesanum, affects all aerial tissues of plants. The third disease, Cercospora leaf spot caused by Cercospora coffeicola, affects both leaves and grains, making it difficult to manage. Although there is enough scientific information on Rust, very little is known about the etiology, symptomatology, life cycle, and management of Thread Blight and Cercospora leaf spot. High-resolution photographs and micrographs were used and related with available scientific information. In addition, current scientific information on each disease was compiled, and with that, the life cycles were developed. Likewise, this manuscript describes the management of the three diseases based mainly on the use of genetic, cultural, physical, biological, and chemical measures and their integration as a sustainable alternative in the coffee agroecosystem. Current and future challenges in coffee include the evaluation of cultivars, genetic diversity of Ceratobasidium spp. and C. coffeicola, plant-pathogen interactions, and agroecological management practices.

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Biocontrol of Hemileia vastatrix, the Causal Agent of Coffee Leaf Rust, by Paenibacillus sp. NMA1017

Gómez-de la Cruz,

Martínez-Bolaños,

Chávez-Ramírez

et al. 2024

Plant Disease

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Coffee leaf rust (CLR), caused by Hemileia vastatrix, is considered a highly important phytosanitary problem in Mexico. Currently, there are few microorganisms used as biocontrol alternatives to chemical control of CLR in organic coffee fields in Mexico. This study evaluates the use of Paenibacillus sp. NMA1017 as a biocontrol agent to inhibit the development of H. vastatrix in in vitro and in vivo (greenhouse) experiments. Hemileia vastatrix urediniospores were placed on water agar plates, and then Paenibacillus sp. NMA1017 was inoculated simultaneously or 8 h later. Urediniospores germination rate was reduced by 94% when the NMA1017 strain was inoculated simultaneously with the urediniospores and reduced by 38% when NMA1017 was inoculated 8 h later. Experiments with 8-month-old Bourbon coffee plants that were infected with H. vastatrix showed that disease incidence was reduced by 38, 90, and 50% when NMA1017 was applied 8 days before, simultaneously, or 8 days after the application of H. vastatrix, respectively. Paenibacillus sp. NMA1017 also reduced the severity of CLR on the leaves by up to 62%. The germination urediniospores of other rust pathogens such as Puccinia sorghi (maize leaf rust), Puccinia triticina (wheat leaf rust), Puccinia graminis f. sp. tritici (black stem rust of wheat), Uromyces striatus (alfalfa leaf rust), and Phragmidium sp. (rosebush leaf rust) were also inhibited. Use of the potential biocontrol agent Paenibacillus sp. NMA1017 might help reduce the application of chemical fungicides for the control of CLR, making coffee a more sustainable crop and providing management options for organic coffee growers.

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Enzyme activity of three mycoparasite isolates and their effect on Coffee Leaf Rust (Hemileia vastatrix Berk. & Br.)

Cited by 3 publications

References 40 publications

Biocontrol of fungal phytopathogens by Bacillus pumilus

Biocontrol of fungal phytopathogens by Bacillus pumilus

Diseases affecting the coffee crop: Elucidating the life cycle of Rust,Thread Blight and Cercospora Leaf Spot

Biocontrol of Hemileia vastatrix, the Causal Agent of Coffee Leaf Rust, by Paenibacillus sp. NMA1017

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