How bacteria reach the plant root tissue?
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Bacteria reach plant root tissues through a series of complex mechanisms involving attachment, mobility, and colonization. Initially, the attachment of bacteria to root surfaces is a crucial step preceding colonization and subsequent infection of plants . This attachment process is governed by molecular mechanisms that are common across various agriculturally important microbial species, forming a biphasic model of root attachment . Bacteria exploit the pore space in soil to move collectively towards plant roots, where they interact with the root tip before forming biofilms on mature root zones . Microfluidic platforms have enabled the visualization and quantification of spatial dynamics during the early stages of plant development, showing that beneficial bacteria can cover 1-2% of the root's surface, influencing root development based on bacterial species and concentrations .
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| Papers (5) | Insight |
|---|---|
64 Citations | Bacteria reach plant root tissue through a biphasic model involving initial reversible attachment followed by strong irreversible binding, facilitated by extracellular fibrils, cellulose, and specific attachment factors. |
01 Jun 2018 22 Citations | Beneficial bacteria reach plant root tissue through distinct associations, with YR343 preferring newly developed root tissue while CF313 displays a uniform distribution less affected by spatial variations. |
16 Apr 2020 | Ralstonia solanacearum, a plant pathogenic bacterium causing bacterial wilt, invades plant roots through soil contact, initiating infection. The process involves mutual recognition, defense mechanisms, pathogen virulence, and root development alterations. |
| Bacteria are guided to different root cell types using optical trapping in transparent soil, allowing for study of attachment mechanisms and biofilm formation in the rhizosphere. | |
| Bacteria reach plant roots by exploiting soil pore space, moving collectively towards root tips before forming biofilms on mature root zones, as revealed by novel microscopy and mathematical models. |
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