0000000000622921
AUTHOR
Jani-petri Kelloniemi
showing 8 related works from this author
Identification and characterization of the grapevine flagellin receptor vvfls2
2014
International audience
Characterization of the role of flagellin in the innate immunity triggered by the endophytic pgpr burkholderia phytofirmans in arabidopsis and grapev…
2014
International audience
Identification of the VvFLS2 grapevine flagellin receptor by a functional genomics strategy
2013
National audience; Grapevine (Vitis vinifera) is a crop of high agronomic interest subject to many destructive diseases. Pattern recognition receptors (PRRs) mediate detection of potential pathogens via the perception of pathogen associated molecular patterns (PAMPs), which is important for plant disease resistance. A well studied PRR is the Arabidopsis leucine-rich repeat receptor kinase FLS2 that recognizes bacterial flagellin (or its minimal motif flg22). Flagellin perception plays an important role in restricting bacterial invasion into plant leaves. Until now, functional FLS2 orthologues have been characterized in Nicotiana benthamiana, rice and tomato. Despite its economical importanc…
Induced resistance in grapevine: from concept to vineyard application
2012
SPE IPM Chapitre 11; International audience
Transcriptome of the early steps of Botrytis cinerea infection
2010
International audience
Evolution de la résistance basale à Botrytis cinerea au cours de la maturation de la baie
2013
National audience; Mature grapevine berries at the harvesting stage (MB) are very susceptible to the grey mould fungus Botrytis cinerea while veraison berries (VB) are not. We conducted simultaneous microscopic and transcriptomic analyses of the pathogen and the host to investigate the infectious process developed by B. cinerea on MB versus VB, and the plant defence mechanisms deployed to stop the fungus development. On the pathogen side, our genome-wide transcriptomic data revealed that B. cinerea genes up-regulated during infection of MB are enriched in functional categories related to necrotrophy such as degradation of plant cell wall, proteolysis, membrane transport, oxidative stress re…
Transcriptomes of compatible and non-compatible gray mold/grapevine interactions compared in search of resistance factors
2012
National audience; Gray mold (Botrytis cinerea) causes significant annual yield and quality losses to viticulture. Comparison of transcriptomes of compatible and non-compatible interaction with Vitis vinifera cv Marselan – on harvesting stage berries or véraison stage berries, respectively – suggest the jasmonic acid pathway is activated in the former, while the salicylic acid pathway is more pronounced in the latter. In addition, in the non-compatible case, reactive oxygen species accumulation seems to be both early and strong, and some genes involved in cell-wall reinforcement are up-regulated.
Genomics of the grapevine - pathogen interactions Botrytis cinerea virulence factors and molecular mechanisms of induced resistance
2010
International audience