Journal
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
Volume 37, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/s11274-020-02966-4
Keywords
Holobiont; Microbiome; Endophytes; Plant-bacteria interaction
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The plant holobiont consists of the plant, its microbiota, and other organisms that live in and on it. Among the plant microbiota, bacterial endophytes can invade plant tissues without causing symptoms of disease. The interaction between endophytic bacterial microbiota and their plant host influences their fitness and depends on various factors.
The plant holobiont is a complex entity composed of the plant and the organisms that live in and on it including its microbiota. The plant microbiota includes, among other microorganisms, bacterial endophytes, which are bacteria that can invade living plant tissues without causing symptoms of disease. The interaction between the endophytic bacterial microbiota and their plant host has profound influences on their fitness and depends on biotic and abiotic factors. For these interactions to be established, the bacteria have to be present at the right time, in the right place either colonizing the soil or the seed. In this review we summarize the current knowledge regarding the sources of the bacterial endophytic microbiome and the processes involved in the assemblage of the resulting community during the initial stages of plant development. The adaptations that allow the spatial approximation of soil- and seed-borne bacteria towards infection and colonization of the internal tissues of plants will be addressed in this review.
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