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  Colonization dynamics of Pantoea agglomeransin the wheat root habitat

Soluch, R., Hülter, N. F., Romero Picazo, D., Özkurt, E., Stukenbrock, E. H., & Dagan, T. (2021). Colonization dynamics of Pantoea agglomeransin the wheat root habitat. Environmental Microbiology, 23, 2260-2273. doi:10.1111/1462-2920.15430.

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Environmental Microbiology - 2021 - Soluch - Colonization dynamics of Pantoea agglomerans in the wheat root habitat.pdf (Publisher version), 3MB
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Environmental Microbiology - 2021 - Soluch - Colonization dynamics of Pantoea agglomerans in the wheat root habitat.pdf
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Soluch, Ryszard, Author
Hülter, Nils F., Author
Romero Picazo, Devani, Author
Özkurt, Ezgi1, 2, Author           
Stukenbrock, Eva H.1, Author           
Dagan, Tal, Author
Affiliations:
1Max Planck Fellow Group Environmental Genomics, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2068284              
2IMPRS for Evolutionary Biology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445639              

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 Abstract: Plants are colonized by microbial communities that have diverse implications for plant development and health. The establishment of a stable plant–bacteria interaction depends on a continuous coexistence over generations. Transmission via the seed is considered as the main route for vertical inheritance of plant-associated bacteria. Nonetheless, the ecological principles that govern the plant colonization by seed endophytes remain understudied. Here we quantify the contribution of arrival time and colonization history to bacterial colonization of the wheat root. Establishing a common seed endophyte, Pantoea agglomerans, and wheat as a model system enabled us to document bacterial colonization of the plant roots during the early stages of germination. Using our system, we estimate the carrying capacity of the wheat roots as 108 cells g−1, which is robust among individual plants and over time. Competitions in planta reveal a significant advantage of early incoming colonizers over late-incoming colonizers. Priming for the wheat environment had little effect on the colonizer success. Our experiments thus provide empirical data on the root colonization dynamics of a seed endophyte. The persistence of seed endophyte bacteria with the plant population over generations may contribute to the stable transmission that is one route for the evolution of a stable host-associated lifestyle.

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Language(s): eng - English
 Dates: 2020-08-192021-02-092021-02-182021-04
 Publication Status: Published in print
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 Identifiers: DOI: 10.1111/1462-2920.15430
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Title: Environmental Microbiology
  Other : Environmental Microbiology and Environmental Microbiology Reports
Source Genre: Journal
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Publ. Info: Oxford, England : Blackwell Science
Pages: - Volume / Issue: 23 Sequence Number: - Start / End Page: 2260 - 2273 Identifier: ISSN: 1462-2912
CoNE: https://pure.mpg.de/cone/journals/resource/959328105031