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Related Experiment Video

Updated: Jan 18, 2026

Relating Stomatal Conductance to Leaf Functional Traits

Relating Stomatal Conductance to Leaf Functional Traits

Published on: October 12, 2015

Do stomatal traits modulate leaf microbiome assembly?

Posy E Busby¹, Austen Apigo^1,2, Dagmara Sirova^1,3

¹Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, USA.

The New Phytologist

|January 16, 2026

Summary

This summary is machine-generated.

Plant stomata act as key regulators of leaf microbiome assembly. Understanding stomatal traits is crucial for plant health and managing beneficial microbial communities.

Keywords:

bacteria community assembly fungi leaf traits microbiome priority effects stomata

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Area of Science:

Plant Biology
Microbiome Research
Leaf-associated microbial communities

Background:

Plant microbiome assembly is critical for host health and fitness.
Stomata are known to influence pathogen entry but their role in nonpathogenic leaf microbiomes is less understood.

Purpose of the Study:

To propose stomata as a primary filter controlling leaf microbiome assembly.
To explore hypotheses on how stomatal traits regulate diverse microbial communities.

Main Methods:

Literature review and synthesis of published studies on foliar fungi and bacteria.
Development of three hypotheses: stomatal density, stomatal function, and stomatal covariation.

Main Results:

Stomatal density may increase microbial entry rates.
Stomatal opening/closing dynamics regulate microbial access.
Other leaf traits may covary with stomatal traits, influencing microbiome structure.

Conclusions:

Stomata play a significant role in filtering leaf-associated microbes.
Further research is needed to elucidate stomatal control over microbiome assembly.
Identifying research priorities to advance understanding of stomatal-microbiome interactions.