Morpho-physiology and Pht1 gene expressions in native maize plants with AM fungi and phosphorus

  • Sergio VALERIO-LANDA Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Sur, La Paz, Baja California Sur
  • Ramon ZULUETA-RODRIGUEZ Universidad Veracruzana, Facultad de Ciencias Agrícolas, Circuito Universitario Gonzalo Aguirre Beltrán s/n, Zona Universitaria, Xalapa, Veracruz
  • Evangelina E. QUIÑONES-AGUILAR Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Camino Arenero 1227, Col. El Bajío del Arenal, Zapopan, Jalisco
  • Liliana LARA-CAPISTRAN Universidad Veracruzana, Facultad de Ciencias Agrícolas, Circuito Universitario Gonzalo Aguirre Beltrán s/n, Zona Universitaria, Xalapa, Veracruz
  • Carlos ANGULO Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Sur, La Paz, Baja California Sur
  • Pablo PRECIADO-RANGEL Instituto Tecnológico Nacional de México- Instituto Tecnológico de Torreón, Carretera Torreón-San Pedro km 7.5, Ejido Anna, Torreón, Coahuila
  • Luis G. HERNANDEZ-MONTIEL Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Sur, La Paz, Baja California Sur
Keywords: Claroideoglomus etunicatum; endophyte; qPCR; ZEAma-Pht1; 3 transporter; ZEAma-Pht1; 6 transporter


Maize is a crop important worldwide, but its production is limited to phosphorus availability in soil. Plants form a symbiotic association to improve their nutrition with arbuscular mycorrhizal fungi (AMF), which increase to absorption phosphorus (P) and the expression of transporters of the family Pht1. Few studies have focused on native maize plants and AMF. Thus, the objective of this study was to determine the morpho-physiological response and expression of phosphate Pht1 transporters in two native maize plants inoculated with Claroideoglomus etunicatum and P concentrations. The height, leaf area, dry biomass, CO2 assimilation rate, stomatal conductance, transpiration rate, intercellular CO2, water potential, greenness index, total chlorophyll, and ZEAma; Pht1;3 and ZEAma; Pht1;6 transporter expressions in maize plants under P (0.01 and 1 mM) concentrations were evaluated. The results showed that each native maize plant had a differential response in morpho-physiology and transporter expressions when they were inoculated with AMF and P. The response of maize plant was related with its genotype and phenotype plus environmental factor that influenced the AMF-host interaction, mycorrhizal colonization and soil nutrient absorption.


In press - Online First. Article has been peer reviewed, accepted for publication and published online without pagination. The article is to be paginated when the complete issue will be ready for publishing (Volume 48, Issue 3, 2020). The article is searchable and citable by Digital Object Identifier (DOI). DOI link will become active after the article will be included in the complete issue.


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How to Cite
VALERIO-LANDA, S., ZULUETA-RODRIGUEZ, R., QUIÑONES-AGUILAR, E. E., LARA-CAPISTRAN, L., ANGULO, C., PRECIADO-RANGEL, P., & HERNANDEZ-MONTIEL, L. G. (2020). Morpho-physiology and Pht1 gene expressions in native maize plants with AM fungi and phosphorus. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 48(3).
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