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Mycorrhizal Maps as a Tool to Explore Colonization Patterns and Fungal Strategies in the Roots of Festuca rubra and Zea mays
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Evidence for phylogenetic correlation of plant-AMF assemblages?

A Montesinos-Navarro1, J G Segarra-Moragues2, A Valiente-Banuet3

  • 1Centro de Investigaciones sobre Desertificación (CIDE, CSIC-UV-GV), Carretera de Moncada-Náquera Km 4.5 46113 Moncada, Valencia Spain, Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, AP 70-275, CP 04510, México, DF, México and Centro de Ciencias de la Complejidad, Ciudad Universitaria, Universidad Nacional Autónoma de México, 04510, DF, México Centro de Investigaciones sobre Desertificación (CIDE, CSIC-UV-GV), Carretera de Moncada-Náquera Km 4.5 46113 Moncada, Valencia Spain, Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, AP 70-275, CP 04510, México, DF, México and Centro de Ciencias de la Complejidad, Ciudad Universitaria, Universidad Nacional Autónoma de México, 04510, DF, México ali.montesinos@gmail.com.

Annals of Botany
|December 3, 2014
PubMed
Summary

Plant and arbuscular mycorrhizal fungi (AMF) community compositions are linked through reciprocal interactions. This interdependence suggests that plant facilitation and AMF succession dynamics co-shape phylogenetic community assembly in xeric shrublands.

Keywords:
AMFArbuscular mycorrhizal fungibiotic interactionscommunity assemblagesfacilitationphylogenetic compositionplant guildsvegetation patchesxeric shrubland

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Area of Science:

  • Ecology
  • Community Ecology
  • Phylogenetics

Background:

  • Biotic interactions are shaped by functional traits, influencing species composition.
  • Evolutionarily conserved traits cause related species to interact similarly, potentially structuring phylogenetic community composition.
  • Plant facilitation involves phylogenetically structured interactions between plants and arbuscular mycorrhizal fungi (AMF).

Purpose of the Study:

  • To investigate the interdependent phylogenetic signals in plant and AMF community compositions.
  • To determine if plant-AMF interactions and ecological processes shape phylogenetic community structure.

Main Methods:

  • Correlation analysis to assess the relationship between plant and AMF phylogenetic composition.
  • Null model analysis to distinguish interaction selectivity from other ecological processes.

Main Results:

  • A significant correlation was found between the phylogenetic composition of plant and AMF assemblages.
  • Plant community composition was influenced by high-nursery-quality plant species.
  • AMF community composition correlated with AMF phylogenetic diversity within patches.

Conclusions:

  • Plant and AMF phylogenetic shifts are not independent, indicating co-assembly.
  • Inter-related plant and AMF succession dynamics, beyond interaction selectivity, likely drive community assembly.
  • Further research should explore simultaneous above- and below-ground dynamics across multiple guilds.