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Claude Rispe
Institut national de la recherche agronomique
GeneAphidGeneticsBotanyBiology
127Publications
26H-index
3,361Citations
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Publications 130
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#2Caroline HervetH-Index: 5
Last. Claude RispeH-Index: 26
view all 9 authors...
We studied a family of iflaviruses, a group of RNA viruses frequently found in arthropods, focusing on viruses associated with ticks. Our aim was to bring insight on the evolutionary dynamics of this group of viruses, which may interact with the biology of ticks. We explored systematically de novo RNA-Seq assemblies available for species of ticks which allowed to identify nine new genomes of iflaviruses. The phylogeny of virus sequences was not congruent with that of the tick hosts, suggesting r...
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#1Chaoyang Zhao (UCR: University of California, Riverside)H-Index: 9
#2Claude Rispe (INRA: Institut national de la recherche agronomique)H-Index: 26
Last. Paul D. Nabity (UCR: University of California, Riverside)H-Index: 13
view all 3 authors...
All eukaryotes share a conserved network of processes regulated by the proteasome and fundamental to growth, development, or perception of the environment, leading to complex but often predictable responses to stress. As a specialized component of the ubiquitin-proteasome system (UPS), the RING finger domain mediates protein-protein interactions and displays considerable versatility in regulating many physiological processes in plants. Many pathogenic organisms co-opt the UPS through RING-type E...
2 CitationsSource
#1N. Pierre Charrier (INRA: Institut national de la recherche agronomique)H-Index: 1
#2Axelle Hermouet (INRA: Institut national de la recherche agronomique)H-Index: 1
Last. Claude Rispe (INRA: Institut national de la recherche agronomique)H-Index: 26
view all 10 authors...
Hard ticks are widely distributed across temperate regions, show strong variation in host associations, and are potential vectors of a diversity of medically important zoonoses, such as Lyme disease. To address unresolved issues with respect to the evolutionary relationships among certain species or genera, we produced novel RNA-Seq data sets for nine different Ixodes species. We combined this new data with 18 data sets obtained from public databases, both for Ixodes and non-Ixodes hard tick spe...
2 CitationsSource
#1Yann Dussert (INRA: Institut national de la recherche agronomique)H-Index: 2
#2Isabelle D. Mazet (INRA: Institut national de la recherche agronomique)H-Index: 4
Last. François Delmotte (INRA: Institut national de la recherche agronomique)H-Index: 26
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: Downy mildews are obligate biotrophic oomycete pathogens that cause devastating plant diseases on economically important crops. Plasmopara viticola is the causal agent of grapevine downy mildew, a major disease in vineyards worldwide. We sequenced the genome of Pl. viticola with PacBio long reads and obtained a new 92.94 Mb assembly with high contiguity (359 scaffolds for a N50 of 706.5 kb) due to a better resolution of repeat regions. This assembly presented a high level of gene completeness,...
2 CitationsSource
#1Maria V. Murgia (Purdue University)H-Index: 1
#2Lesley Bell-Sakyi (University of Liverpool)H-Index: 18
Last. Catherine A. Hill (Purdue University)H-Index: 20
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2 CitationsSource
#1N. Pierre Charrier (INRA: Institut national de la recherche agronomique)H-Index: 1
#2Marjorie Couton (INRA: Institut national de la recherche agronomique)H-Index: 1
Last. Claude Rispe (INRA: Institut national de la recherche agronomique)H-Index: 26
view all 8 authors...
Ixodes ricinus is the most important vector of tick-borne diseases in Europe. A better knowledge of its genome and transcriptome is important for developing control strategies. Previous transcriptomic studies of I. ricinus have focused on gene expression during the blood meal in specific tissues. To obtain a broader picture of changes in gene expression during the blood meal, our study analysed the transcriptome at the level of the whole body for both nymphal and adult ticks. Ixodes ricinus tick...
5 CitationsSource
#1Julie Jaquiéry (University of Rennes)H-Index: 19
#2Jean Peccoud (University of Poitiers)H-Index: 12
Last. Claude Rispe (INRA: Institut national de la recherche agronomique)H-Index: 26
view all 17 authors...
The faster evolution of X chromosomes has been documented in several species, and results from the increased efficiency of selection on recessive alleles in hemizygous males and/or from increased drift due to the smaller effective population size of X chromosomes. Aphids are excellent models for evaluating the importance of selection in faster-X evolution because their peculiar life cycle and unusual inheritance of sex chromosomes should generally lead to equivalent effective population sizes fo...
13 CitationsSource
#1Olivier PlantardH-Index: 16
#2Alain ButetH-Index: 19
Last. Olivier LorvelecH-Index: 11
view all 8 authors...
#2Axelle DurandH-Index: 1
Last. Claude RispeH-Index: 26
view all 9 authors...
Hard ticks are vectors of numerous pathogens responsible for human and veterinary diseases. The Ixodes genus is distributed world‐wide and comprises several species that transmit the Lyme borreliosis agent (Borrelia sp.). This is the case of I. ricinus (in Europe) and I. scapularis (in the USA), two species for which complete genome projects have been undertaken. To better understand evolutionary patterns in this genus (for example how adaptations to different host species or host ranges evolved...
#1Claude Rispe (INRA: Institut national de la recherche agronomique)H-Index: 26
#2Fabrice Legeai (INRA: Institut national de la recherche agronomique)H-Index: 28
Last. François Delmotte (INRA: Institut national de la recherche agronomique)H-Index: 26
view all 9 authors...
Background Grapevine phylloxera, an insect related to true aphids, is a major historic pest of viticulture only controlled through the selection of resistant rootstocks or through quarantine regulations where grapevine is cultivated own-rooted. Transcriptomic data could help understand the bases of its original life-traits, including a striking case of polyphenism, with forms feeding on roots and forms feeding in leaf-galls. Comparisons with true aphids (for which complete genomes have been sequ...
6 CitationsSource
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