Universität zu Köln

Rossmann, Maike, Perez-Jaramillo, Juan E., Kavamura, Vanessa N., Chiaramonte, Josiane B., Dumack, Kenneth, Fiore-Donno, Anna Maria ORCID: 0000-0001-6265-1907, Mendes, Lucas W., Ferreira, Marcia M. C., Bonkowski, Michael, Raaijmakers, Jos M., Mauchline, Tim H. and Mendes, Rodrigo (2020). Multitrophic interactions in the rhizosphere microbiome of wheat: from bacteria and fungi to protists. FEMS Microbiol. Ecol., 96 (4). OXFORD: OXFORD UNIV PRESS. ISSN 1574-6941

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Abstract

Plants modulate the soil microbiota by root exudation assembling a complex rhizosphere microbiome with organisms spanning different trophic levels. Here, we assessed the diversity of bacterial, fungal and cercozoan communities in landraces and modern varieties of wheat. The dominant taxa within each group were the bacterial phyla Proteobacteria, Actinobacteria and Acidobacteria; the fungi phyla Ascomycota, Chytridiomycota and Basidiomycota; and the Cercozoa classes Sarcomonadea, Thecofilosea and Imbricatea. We showed that microbial networks of the wheat landraces formed a more intricate network topology than that of modern wheat cultivars, suggesting that breeding selection resulted in a reduced ability to recruit specific microbes in the rhizosphere. The high connectedness of certain cercozoan taxa to bacteria and fungi indicated trophic network hierarchies where certain predators gain predominance over others. Positive correlations between protists and bacteria in landraces were preserved as a subset in cultivars as was the case for the Sarcomonadea class with Actinobacteria. The correlations between the microbiome structure and plant genotype observed in our results suggest the importance of top-down control by organisms of higher trophic levels as a key factor for understanding the drivers of microbiome community assembly in the rhizosphere.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Rossmann, Maike UNSPECIFIED UNSPECIFIED UNSPECIFIED Perez-Jaramillo, Juan E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kavamura, Vanessa N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chiaramonte, Josiane B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dumack, Kenneth UNSPECIFIED UNSPECIFIED UNSPECIFIED Fiore-Donno, Anna Maria UNSPECIFIED orcid.org/0000-0001-6265-1907 UNSPECIFIED Mendes, Lucas W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ferreira, Marcia M. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bonkowski, Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED Raaijmakers, Jos M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mauchline, Tim H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mendes, Rodrigo UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-338209
DOI:	10.1093/femsec/fiaa032
Journal or Publication Title:	FEMS Microbiol. Ecol.
Volume:	96
Number:	4
Date:	2020
Publisher:	OXFORD UNIV PRESS
Place of Publication:	OXFORD
ISSN:	1574-6941
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language COMMUNITY COMPOSITION; PROTOZOA STIMULATE; ARABIDOPSIS; ARCHITECTURE; DOMESTICATION; STABILITY; SELECTION; NETWORKS; CERCOZOA; DIVERSE Multiple languages Microbiology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/33820