Study unravels key mechanism by which Xanthomonas bacteria infect crops

At Nanyang Technological University, Singapore, an interdisciplinary research team has identified, for the first time, a crucial mechanism by which a serious plant disease can infect crops.

Study unravels key mechanism by which Xanthomonas bacteria infect crops
(From left to right) Assistant Professor Yu Jing from NTU’s School of Materials Science and Engineering and Associate Professor Miao Yansong from the School of Biological Sciences. Image Credit: Nanyang Technological University, Singapore.

The Xanthomonas bacteria, also called the “crop killer,” is a bacterium found worldwide and capable of infecting 400 different plant species. The infection leads to bacterial spots and blights in the leaves and fruits of the plants. In certain cases, once the disease is rooted, the only recourse option for a farmer is to cut down and burn the entire crop to prevent the spread of disease.

The NTU group discovered the precise cellular-level mechanism used by the bacteria to penetrate and hijack the immune system of a plant, thus leaving them susceptible to infection.

The Xanthomonas bacteria infect and harm plants by infusing harmful proteins into the plant host. These proteins hijack and assume the normal biological processes of the plant, inhibiting them from forging an immune response.

The researchers found that the harmful proteins interact with plant cells like liquid droplets, enabling the bacteria protein to “glue” onto the plant cell and blend into it. This enables the Xanthomonas bacteria to intrude and invade the plant cell, making it susceptible to infection.

Gaining insights into the exact means by which plants and crops are infected by bacteria is a critical step in formulating methods to inhibit their infection and make crops capable of resisting the disease.

The researchers have obtained a provisional patent for a toolkit they created. This enables the researchers to simulate the infection process. This will enable them to test prospective solutions to strengthen crop immunity in laboratory settings. The toolkit also has potential applications for synthetic biology and agri-food technology in the future.

Source:
Journal reference:

Sun, H., et al. (2021) Xanthomonas effector XopR hijacks host actin cytoskeleton via complex coacervation. Nature Communications. https://doi.org/10.1038/s41467-021-24375-3.

Citations

Please use one of the following formats to cite this article in your essay, paper or report:

  • APA

    Nanyang Technological University Singapore (NTU Singapore). (2022, November 11). Study unravels key mechanism by which Xanthomonas bacteria infect crops. AZoLifeSciences. Retrieved on May 30, 2024 from https://www.azolifesciences.com/news/20210823/Study-unravels-key-mechanism-by-which-Xanthomonas-bacteria-infect-crops.aspx.

  • MLA

    Nanyang Technological University Singapore (NTU Singapore). "Study unravels key mechanism by which Xanthomonas bacteria infect crops". AZoLifeSciences. 30 May 2024. <https://www.azolifesciences.com/news/20210823/Study-unravels-key-mechanism-by-which-Xanthomonas-bacteria-infect-crops.aspx>.

  • Chicago

    Nanyang Technological University Singapore (NTU Singapore). "Study unravels key mechanism by which Xanthomonas bacteria infect crops". AZoLifeSciences. https://www.azolifesciences.com/news/20210823/Study-unravels-key-mechanism-by-which-Xanthomonas-bacteria-infect-crops.aspx. (accessed May 30, 2024).

  • Harvard

    Nanyang Technological University Singapore (NTU Singapore). 2022. Study unravels key mechanism by which Xanthomonas bacteria infect crops. AZoLifeSciences, viewed 30 May 2024, https://www.azolifesciences.com/news/20210823/Study-unravels-key-mechanism-by-which-Xanthomonas-bacteria-infect-crops.aspx.

Comments

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of AZoLifeSciences.
Post a new comment
Post

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.

You might also like...
Researchers develop plant-based emulsifier likely to replace eggs or dairy