Abstract
The use of bio-fertilizers in agricultural fields in the form of microorganisms is an eco-friendly way of improving crop yield. The applied microbes, however, face challenges while successfully establishing themselves in the rhizosphere or endosphere of plants due to the competing native soil and plant microflora. To this problem, microbial biofilms are a potential solution as they prolong plant-microbe contacts at various plant surfaces often leading to beneficial outcomes. Microbial biofilms are widely studied due to their adverse impacts in the healthcare sector, water distribution system, food industry, and plant diseases. Recent reports suggest that microbial biofilms may have a positive impact on crop productivity. In this article, we have tried to review the various interactions found between plant and their associated microbes leading to co-metabolic associations and discussed the different ways by which microbes communicate in the microenvironments of the biofilm. Metabolically dependent syntrophic biofilms have been discussed as an area to study in the connection with the agricultural system. Syntrophic biofilms, although less known related to plants may influence the plant growth and yield for a better farming system.
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