A5016013672- Plant Virus Research Studies
- Legume Nitrogen Fixing Symbiosis
- Insect symbiosis and bacterial influences
- Insect-Plant Interactions and Control
- Plant Pathogenic Bacteria Studies
- Animal Virus Infections Studies
- Plant and Fungal Interactions Research
- Horticultural and Viticultural Research
- Plant-Microbe Interactions and Immunity
- Banana Cultivation and Research
- Phytoplasmas and Hemiptera pathogens
- Transgenic Plants and Applications
- Bacteriophages and microbial interactions
- CRISPR and Genetic Engineering
- Fermentation and Sensory Analysis
- Plant biochemistry and biosynthesis
- Plant Disease Resistance and Genetics
- Respiratory viral infections research
- Virus-based gene therapy research
- Viral Infectious Diseases and Gene Expression in Insects
- SARS-CoV-2 and COVID-19 Research
- Plant Reproductive Biology
- Chromosomal and Genetic Variations
- Berry genetics and cultivation research
- Animal Disease Management and Epidemiology
Centre de Coopération Internationale en Recherche Agronomique pour le Développement
2010-2023
Plant Health Institute de Montpellier
2022-2023
Centre Occitanie-Montpellier
2022-2023
Biologie et Génétique des Interactions Plante-Parasite
2010-2020
Institut Agro Montpellier
2010-2020
Université de Montpellier
2019-2020
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2020
Département Biologie et Amélioration des Plantes
2009-2014
Institut National de la Recherche Agronomique
2013
ABSTRACT Plant pararetroviruses integrate serendipitously into their host genomes. The banana genome harbors integrated copies of streak virus (BSV) named endogenous BSV (eBSV) that are able to release infectious pararetrovirus. In this investigation, we characterized integrants three species— Goldfinger (eBSGFV), Imove (eBSImV), and Obino l'Ewai (eBSOLV)—in the seedy Musa balbisiana Pisang klutuk wulung (PKW) by studying molecular structure, genomic organization, landscape, capacity. All...
A founding paradigm in virology is that the spatial unit of viral replication cycle an individual cell. Multipartite viruses have a segmented genome where each segment encapsidated separately. In this situation not recapitulated single virus particle but population. How multipartite manage to efficiently infect cells with all segments, thus whole information, long-standing perhaps deceptive mystery. By localizing and quantifying segments nanovirus host plant tissues we show they rarely...
ABSTRACT Cauliflower mosaic virus (CaMV) forms two types of inclusion bodies within infected plant cells: numerous factories, which are the sites for viral replication and virion assembly, a single transmission body (TB), is specialized by aphid vectors. The TB reacts seconds to feeding on host total disruption redistribution its principal component, helper protein P2, onto microtubules throughout cell. At same time, virions also associate with microtubules. This P2 facilitates reversible;...
Nanoviruses are plant multipartite viruses with a genome composed of six to eight circular single-stranded DNA segments. The distinct segments encapsidated individually in icosahedral particles that measure ≈18 nm diameter. Recent studies on the model species Faba bean necrotic stunt virus (FBNSV) revealed complete sets genomic rarely occur infected cells and function encoded by given viral segment can complement others across neighbouring cells, presumably translocation gene products...
Xanthomonas albilineans, the causal agent of sugarcane leaf scald, is missing Hrp type III secretion system that used by many Gram-negative bacteria to colonize their host. Until now, this pathogen was considered as strictly limited xylem sugarcane. We confocal laser scanning microscopy, immunocytochemistry and transmission electron microscopy (TEM) investigate localization X. albilineans in diseased Sugarcane plants were inoculated with strains labelled a green fluorescent protein. Confocal...
In recent decades, a legion of monopartite begomoviruses transmitted by the whitefly Bemisia tabaci has emerged as serious threats to vegetable crops in Africa. Recent studies Burkina Faso (West Africa) reported predominance pepper yellow vein Mali virus (PepYVMLV) and its frequent association with previously unknown DNA-B component. To understand role this component emergence PepYVMLV, we assessed biological traits related virulence, accumulation, location tissue transmission. We...
Vector transmission plays a primary role in the life cycle of viruses, and insects are most common vectors. An important mode vector transmission, reported only for plant is circulative nonpropagative whereby virus cycles within body its insect vector, from gut to salivary glands saliva, without replicating. This has been extensively studied viral families Luteoviridae Geminiviridae also Nanoviridae The biology viruses these three different, whether have evolved similar molecular/cellular...
Fluorescence expression tools for stable and innocuous whole mycoplasma cell labelling have been developed. A Tn4001-derivative mini-transposon affording unmarked, mutagenesis in mycoplasmas was modified to allow the constitutive, high-level of mCherry, mKO2 mNeonGreen. These were used introduce respective fluorescent proteins as chromosomal tags phylogenetically distant species Mycoplasma mycoides subsp. bovis. The production, selection characterisation clones straightforward resulted...
Bunyaviruses are enveloped negative or ambisense single-stranded RNA viruses with a genome divided into several segments. The canonical view depicts each viral particle packaging one copy of genomic segment in polarity named the strand. Several opposing observations revealed nonequal ratios segments, uneven number segments per virion, and even complementary strands. Unfortunately, these result from studies often addressing other questions, on distinct species, not using accurate quantitative...
Unlike in tomato, little is known about the genetic and molecular control of fleshy fruit development perennial trees like grapevine (Vitis vinifera L.). Here we present study sequence polymorphism a 1 Mb genome region at top chromosome 18 carrying fleshless berry mutation (flb) order, first to identify SNP markers closely linked gene second search for possible signatures domestication. In total, 62 regions (17 SSR, 3 SNP, CAPS 41 re-sequenced fragments) were scanned along 3.4 interval...
Single-stranded DNA (ssDNA) plant viruses belong to the families Geminiviridae and Nanoviridae. They are transmitted by Hemipteran insects in a circulative, mostly non-propagative, manner. While geminiviruses leafhoppers, treehoppers, whiteflies aphids, nanoviruses exclusively aphids. Circulative transmission involves complex virus–vector interactions which epithelial cells have be crossed defense mechanisms counteracted. Vector taxa considered relevant taxonomic criterion for virus...
A founding paradigm in virology is that the spatial unit of viral replication cycle an individual cell. This concept applied to multipartite viruses-which have a genome composed two or more nucleic acid segments, each individually encapsulated-implies all segments constituting need coinfect same host cell for occur. Would this requirement be verified, it would constitute major cost extreme cases multipartition such as Faba bean necrotic stunt virus (FBNSV, nanovirus) whose eight...