Plant Root Interaction with Associated Microbiomes

Dear Colleagues,

A plethora of microorganisms reside in close association with plants, from the soil surrounding the roots to the leaves to the internal tissue of plants, including seeds. Plant-associated microbiomes have pivotal roles in mediating the interaction between plants and the environment. Being in contact with soil, roots provide one of the most relevant organs impacted by microbes. The root-associated microbiome has been claimed to be as important for plants as the gut microbiome is for animals. Indeed, animal guts and plant roots have absorption roles for nutrient uptake, and, as for the gut microbiome, the root-associated microbiome regulates the host immune response, provides protection against pathogens, additional metabolic capabilities, essential nutrients, and even phytohormone modulation.

In recent years, an ever-increasing interest in plant root interactions with associated microbiomes has been manifested by scholars working in various fields, from basic research on microbial symbioses and molecular signalling to applications in sustainable agriculture, bioremediation, and biodiversity preservation.

This Special Issue addresses the contribution of studies on root-associated microbiomes to emerging research questions raised through the study of plant biotic interactions. The topics include but are not limited to

• defining a mechanistic interpretation of the role of root microbiomes in a plant’s physiology;
• the application of root microbiomes in increasing crop productivity and health;
• the biodiversity and evolution of the root microbiota members.

We look forward to receiving your contributions.

Dr. Roberto Defez
Dr. Alessio Mengoni
Guest Editors

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