Microbiomic analysis of arbuscular mycorrhizal fungi associated with papaya, inoculated with consortia from two natural ecosystems
DOI:
https://doi.org/10.33885/sf.2021.51.1292Abstract
Background: One hundred and forty-three species of arbuscular mycorrhizal fungi (AMF) are known in Mexico. Microbiome analysis allowed us to look into the diversity of AMF species interacting with a specific plant species and to recognize novel species not yet reported in our country.
Objective: To analyze the diversity of AMF species associated with papaya colonized with inocula from two contrasting ecosystems: cloud forest (CF) and deciduous forest (DF).
Methods: From these two ecosystems CF and DF, soil AMF spores were obtained and reproduced in trap cultures. These were used as inoculum to test its effect on growth in papaya. Massive sequencing was performed to identify the AMF species associated to the roots of this plant species.
Results and conclusions: Both inocula showed positive results in the growth of papaya demonstrating high mycorrhizal dependency. Twelve virtual taxa associated with papaya were found, three of them were present in both treatments, five and four virtual taxa in the treatments with DF and CF inoculum, respectively. In this microbiome analysis, we found the species Funneliformis dimorphicus, which had not been previously reported in Mexico, and this is the first record of its presence in our country.
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