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Related Experiment Video

Updated: Jul 3, 2026

Investigation of Plant Interactions Across Common Mycorrhizal Networks Using Rotated Cores

Investigation of Plant Interactions Across Common Mycorrhizal Networks Using Rotated Cores

Published on: March 26, 2019

Serpentine and non-serpentine ecotypes of Collinsia sparsiflora associate with distinct arbuscular mycorrhizal fungal

S P Schechter¹, T D Bruns

¹Department of Plant and Microbial Biology, University of California, 321 Koshland Hall, Berkeley, CA 94720, USA. shpeters@berkeley.edu

Molecular Ecology

|July 10, 2008

Summary

Plant adaptation to serpentine soils involves distinct arbuscular mycorrhizal fungi (AMF) communities. Serpentine ecotypes associate with higher diversity AMF, unlike non-serpentine plants, revealing key soil adaptation mechanisms.

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Last Updated: Jul 3, 2026

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Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples

Published on: February 3, 2017

Area of Science:

Ecology
Plant Biology
Mycology

Background:

Plant adaptation to extreme soil conditions, like serpentine soils, remains poorly understood.
Arbuscular mycorrhizal fungi (AMF) are known to aid plant establishment in stressful environments.
The specific role of plant-AMF interactions in serpentine adaptation requires further investigation.

Purpose of the Study:

To investigate the AMF communities associated with serpentine and non-serpentine ecotypes of Collinsia sparsiflora.
To determine if distinct AMF assemblages correlate with plant adaptation to serpentine soils.
To explore the relationship between AMF communities, plant ecotypes, and soil nutrients.

Main Methods:

Sampling of C. sparsiflora roots from serpentine and non-serpentine sites.
Amplification and sequencing of the small subunit ribosomal DNA gene from root DNA using AMF-specific primers.
Analysis of AMF operational taxonomic units (OTUs) and community structure using phylogenetic and statistical methods.

Main Results:

Identified 19 AMF OTUs from six genera, including one serpentine-specific OTU.
Distinct AMF assemblages were found: Acaulospora OTU-dominated in serpentine and Glomus OTU-dominated in non-serpentine sites.
AMF species diversity and evenness were significantly higher in serpentine assemblages, correlating with soil nutrients.

Conclusions:

Plant ecotypes are strongly associated with distinct AMF assemblages.
AMF communities play a significant role in plant adaptation to serpentine soils.
This study highlights the importance of plant-AMF interactions in understanding adaptation to edaphic extremes.