Soil Type Affects Organic Acid Production and Phosphorus Solubilization Efficiency Mediated by Several Native Fungal Strains from Mexico

Zúñiga-Silgado, Dorcas; Rivera-Leyva, Julio C.; Coleman, Jeffrey J.; Sánchez-Reyez, Ayixon; Valencia-Díaz, Susana; Serrano, Mario; de-Bashan, Luz E.; Folch-Mallol, Jorge L.

doi:10.3390/microorganisms8091337

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Soil Type Affects Organic Acid Production and Phosphorus Solubilization Efficiency Mediated by Several Native Fungal Strains from Mexico

Dorcas Zúñiga-Silgado

^1,2,†,

Julio C. Rivera-Leyva

⁴,

⁵

²,

⁶

^4,7,8 and

Jorge L. Folch-Mallol

^2,*

Facultad de Arquitectura e Ingeniería, Institución Universitaria Colegio Mayor de Antioquia, Carrera. 78 N° 65-46 Robledo, Medellín 050034, Colombia

Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Morelos, Mexico

Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Av. Universidad No. 1001, Col. Chamilpa, Cuernavaca 62209, Morelos, Mexico

⁴

Department of Entomology and Plant Pathology, Auburn University, Rouse Life Sciences Building, Auburn, AL 36849, USA

⁵

Cátedras CONACyT, Institute of Biotechnology, Universidad Nacional Autónoma de México, Ave. Universidad 2001, Col. Chamilpa, Cuernavaca 62209, Morelos, Mexico

⁶

Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Av. Universidad 2001, Col. Chamilpa, Cuernavaca 62209, Morelos, Mexico

⁷

Environmental Microbiology Group, Northwestern Center for Biological Research (CIBNOR), Av. IPN 195, La Paz 23096, Baja California Sur, Mexico

⁸

Bashan Institute of Sciences, 1730 Post Oak Ct, Auburn, AL 36830, USA

Author to whom correspondence should be addressed.

^†

Present address: Centro de investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Av. Universidad No. 1001, Col. Chamilpa, Cuernavaca 62209, Morelos, Mexico.

Microorganisms 2020, 8(9), 1337; https://doi.org/10.3390/microorganisms8091337

Received: 18 July 2020 / Revised: 31 August 2020 / Accepted: 1 September 2020 / Published: 2 September 2020

(This article belongs to the Section Environmental Microbiology)

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Abstract

Phosphorus (P) is considered a scarce macronutrient for plants in most tropical soils. The application of rock phosphate (RP) has been used to fertilize crops, but the amount of P released is not always at a necessary level for the plant. An alternative to this problem is the use of Phosphorus Solubilizing Microorganisms (PSM) to release P from chemically unavailable forms. This study compared the P sorption capacity of soils (the ability to retain P, making it unavailable for the plant) and the profile of organic acids (OA) produced by fungal isolates and the in vitro solubilization efficiency of RP. Trichoderma and Aspergillus strains were assessed in media with or without RP and different soils (Andisol, Alfisol, Vertisol). The type and amount of OA and the amount of soluble P were quantified, and according to our data, under the conditions tested, significant differences were observed in the OA profiles and the amount of soluble P present in the different soils. The efficiency to solubilize RP lies in the release of OAs with low acidity constants independent of the concentration at which they are released. It is proposed that the main mechanism of RP dissolution is the production of OAs. View Full-Text

Keywords: biosolubilization of phosphorus; soil sorption capacity; organic acids; Trichoderma; Aspergillus

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Zúñiga-Silgado, D.; Rivera-Leyva, J.C.; Coleman, J.J.; Sánchez-Reyez, A.; Valencia-Díaz, S.; Serrano, M.; de-Bashan, L.E.; Folch-Mallol, J.L. Soil Type Affects Organic Acid Production and Phosphorus Solubilization Efficiency Mediated by Several Native Fungal Strains from Mexico. Microorganisms 2020, 8, 1337. https://doi.org/10.3390/microorganisms8091337

AMA Style

Zúñiga-Silgado D, Rivera-Leyva JC, Coleman JJ, Sánchez-Reyez A, Valencia-Díaz S, Serrano M, de-Bashan LE, Folch-Mallol JL. Soil Type Affects Organic Acid Production and Phosphorus Solubilization Efficiency Mediated by Several Native Fungal Strains from Mexico. Microorganisms. 2020; 8(9):1337. https://doi.org/10.3390/microorganisms8091337

Chicago/Turabian Style

Zúñiga-Silgado, Dorcas, Julio C. Rivera-Leyva, Jeffrey J. Coleman, Ayixon Sánchez-Reyez, Susana Valencia-Díaz, Mario Serrano, Luz E. de-Bashan, and Jorge L. Folch-Mallol. 2020. "Soil Type Affects Organic Acid Production and Phosphorus Solubilization Efficiency Mediated by Several Native Fungal Strains from Mexico" Microorganisms 8, no. 9: 1337. https://doi.org/10.3390/microorganisms8091337

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Soil Type Affects Organic Acid Production and Phosphorus Solubilization Efficiency Mediated by Several Native Fungal Strains from Mexico

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