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Symbiotic Dance of Bacteria and Plants: G. diazotrophicus swims in Tomato Leaf Tissue

Writer's picture: PlantHouse EnterprisePlantHouse Enterprise

Ever wondered how bacteria can help plants thrive? Dive into the microscopic world of plant-microbe interactions with this fascinating video!


We're exploring the relationship between tomato plants and Gluconacetobacter diazotrophicus, a nitrogen-fixing bacterium. G. diazotrophicus is a nitrogen fixing bacterium able to colonise a wide range of host plants and is marketed as a biofertiliser due to its ability to promote plant growth. This study aims to investigate how biological nitrogen fixation (BNF) competency affects the growth promotion of inoculated tomato plants and to describe the colonisation mechanism of this bacterium in dicot systems.


This incredible microscopy footage shows protoplasts (plant cells without cell walls) isolated from tomato leaves after incubation with G. diazotrophicus. Astonishingly, the bacteria not only enter the plant cells but also swim around inside them! Observe the bacteria's movement within the cytoplasm, navigating around the chloroplasts (the green organelles responsible for photosynthesis). This video offers a captivating look at the intricate world of plant-microbe interactions and the potential of beneficial bacteria in sustainable agriculture.


Keywords: Nitrogen fixation, plant growth promotion, tomato, hydroponics, Gluconacetobacter diazotrophicus


Citation:

Pallucchini M, Franchini M, El-Ballat EM, Narraidoo N, Pointer-Gleadhill B, Palframan MJ, Hayes CJ, Dent D, Cocking EC, Perazzolli M, Fray RG and Hill PJ (2024) Gluconacetobacter diazotrophicus AZ0019 requires functional nifD gene for optimal plant growth promotion in tomato plants. Front. Plant Sci. 15:1469676. doi: 10.3389/fpls.2024.1469676


Received: 24 July 2024; Accepted: 04 November 2024;

Published: 22 November 2024.


Attribution 4.0 International — CC BY 4.0 - Creative Commons

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