In roots of Arabidopsis thaliana, the damage-associated molecular pattern AtPep1 is a stronger elicitor of immune signalling than flg22 or the chitin heptamer
Publication Date
October 03, 2017
Authors
Lorenzo Poncini, Ines Wyrsch, Valérie Dénervaud Tendon, Thomas Vorley, et al
Volume
12
Issue
10
Pages
e0185808
DOI
https://dx.plos.org/10.1371/journal.pone.0185808
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0185808
Scopus
85030449162
Mendeley
http://www.mendeley.com/research/roots-arabidopsis-thaliana-damageassociated-molecular-pattern-atpep1-stronger-elicitor-immune-signal
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Mendeley | Further Information

{"title"=>"In roots of Arabidopsis thaliana, the damage-associated molecular pattern AtPep1 is a stronger elicitor of immune signalling than flg22 or the chitin heptamer", "type"=>"journal", "authors"=>[{"first_name"=>"Lorenzo", "last_name"=>"Poncini", "scopus_author_id"=>"57195955758"}, {"first_name"=>"Ines", "last_name"=>"Wyrsch", "scopus_author_id"=>"56495511000"}, {"first_name"=>"Valérie Dénervaud", "last_name"=>"Tendon", "scopus_author_id"=>"37862073900"}, {"first_name"=>"Thomas", "last_name"=>"Vorley", "scopus_author_id"=>"57195953988"}, {"first_name"=>"Thomas", "last_name"=>"Boller", "scopus_author_id"=>"7101821505"}, {"first_name"=>"Niko", "last_name"=>"Geldner", "scopus_author_id"=>"6508226553"}, {"first_name"=>"Jean Pierre", "last_name"=>"Métraux", "scopus_author_id"=>"7006546687"}, {"first_name"=>"Silke", "last_name"=>"Lehmann", "scopus_author_id"=>"35727090200"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"618525669", "pmid"=>"28973025", "doi"=>"10.1371/journal.pone.0185808", "issn"=>"19326203", "scopus"=>"2-s2.0-85030449162", "sgr"=>"85030449162", "isbn"=>"1111111111"}, "id"=>"6c78e23c-9c1c-350a-9a51-fe477992429c", "abstract"=>"Plants interpret their immediate environment through perception of small molecules. Microbe-associated molecular patterns (MAMPs) such as flagellin and chitin are likely to be more abundant in the rhizosphere than plant-derived damage-associated molecular patterns (DAMPs). We investigated how the Arabidopsis thaliana root interprets MAMPs and DAMPs as danger signals. We monitored root development during exposure to increasing concentrations of the MAMPs flg22 and the chitin heptamer as well as of the DAMP AtPep1. The tissue-specific expression of defence-related genes in roots was analysed using a toolkit of promoter::YFPN lines reporting jasmonic acid (JA)-, salicylic acid (SA)-, ethylene (ET)- and reactive oxygen species (ROS)- dependent signalling. Finally, marker responses were analysed during invasion by the root pathogen Fusarium oxysporum. The DAMP AtPep1 triggered a stronger activation of the defence markers compared to flg22 and the chitin heptamer. In contrast to the tested MAMPs, AtPep1 induced SA- and JA-signalling markers in the root and caused a severe inhibition of root growth. Fungal attack resulted in a strong activation of defence genes in tissues close to the invading fungal hyphae. The results collectively suggest that AtPep1 presents a stronger danger signal to the Arabidopsis root than the MAMPs flg22 and chitin heptamer.", "link"=>"http://www.mendeley.com/research/roots-arabidopsis-thaliana-damageassociated-molecular-pattern-atpep1-stronger-elicitor-immune-signal", "reader_count"=>23, "reader_count_by_academic_status"=>{"Researcher"=>6, "Student > Ph. D. Student"=>6, "Student > Master"=>5, "Other"=>1, "Student > Bachelor"=>4, "Professor > Associate Professor"=>1}, "reader_count_by_user_role"=>{"Researcher"=>6, "Student > Ph. D. Student"=>6, "Student > Master"=>5, "Other"=>1, "Student > Bachelor"=>4, "Professor > Associate Professor"=>1}, "reader_count_by_subject_area"=>{"Biochemistry, Genetics and Molecular Biology"=>6, "Agricultural and Biological Sciences"=>17}, "reader_count_by_subdiscipline"=>{"Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>17}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>6}}, "group_count"=>0}

Scopus | Further Information

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