Research progress in the rhizosphere microbiome of plants

Rhizosphere microbiome refers in particular to the dynamic microbial consortium that are selectively recruited by plants from the soil microbiome of their seed banks and gathered in the rhizosphere. With the rapid development of high-throughput sequencing technology and metagenomics in recent years, the natural close relationship among rhizosphere microbiome, plant host and soil microbiome have attracted global attention and become research upsurge. The rhizosphere microbiome, regarded as the second genome of plants, has very complex interactions with plants in positive and negative. Many studies have shown that plants can obtain positive feedback by recruiting certain members of the rhizosphere from the soil microbiome. The correct regulation of the rhizosphere microbiome can not only promote the nutrition absorption, resist plant diseases and insect and help the host to adapt environmental stress, but also promote the formation of healthy soils and enhance the service function of soil ecosystem. This paper reviewed the definition, driving factors, research methods of rhizosphere microbiome and the advances in relationship between rhizosphere microbiome and agricultural production. And the interaction between rhizosphere microbiome and plant host was focused. The purpose of the review is to provide new ideas for better exploitation and utilization of these biological resources.