Abstract
Agricultural food products with high nutritional value should always be preferred over food products with low nutritional value. Efforts are being made to increase nutritional value of food by incorporating dietary supplements to the food products. The same is more desirous if the nutritional value of food is increased under natural environmental conditions especially in agricultural farms. Fragmented researches have demonstrated possibilities in achieving the same. The rhizosphere is vital in this regard for not only health and nutritional status of plants but also for the microorganisms colonizing the rhizosphere. Remarkably robust composition of plant microbiome with respect to other soil environments clearly suggests the role of a plant host in discriminating its colonizers (Zancarini et al., 2012). A large number of biotic and abiotic factors are believed to manipulate the microbial communities in the rhizosphere. However, plant genotype has proven to be the key in giving the final shape of the rhizosphere microbiome (Berendsen et al., 2012; Marques et al., 2014).
Highlights
The host plant is believed to influence the relative plenitude of indigenous rhizobacteria
Further it is proved that different genotypes of the same plant species may have significant impacts on selecting “rhizospheric partners” through production of diverse root exudates
Recent findings suggest that differences in even a single gene between plant genotypes can have a noteworthy influence on the rhizosphere microbiome
Summary
Efforts are being made to increase nutritional value of food by incorporating dietary supplements to the food products. The same is more desirous if the nutritional value of food is increased under natural environmental conditions especially in agricultural farms. Under certain stressful conditions plants release organic acids such as citric, succinic, and malic acids more in the root exudates and release of such acids helps the host plants to recruit certain microbial species.
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