A5037323099- Plant Virus Research Studies
- Plant and Fungal Interactions Research
- Plant tissue culture and regeneration
- Transgenic Plants and Applications
- Plant Disease Resistance and Genetics
- Plant Stress Responses and Tolerance
- Insect-Plant Interactions and Control
- Phytoplasmas and Hemiptera pathogens
- Vector-Borne Animal Diseases
- Vitamin C and Antioxidants Research
- Nail Diseases and Treatments
- Viral Infections and Vectors
- Plant-Microbe Interactions and Immunity
- Plant Disease Management Techniques
- Insect symbiosis and bacterial influences
- Nuts composition and effects
- Garlic and Onion Studies
- Phytochemicals and Antioxidant Activities
- Insect and Pesticide Research
- Reproductive Biology and Fertility
- Plant and animal studies
- Allelopathy and phytotoxic interactions
- Hormonal and reproductive studies
- Yeasts and Rust Fungi Studies
- Seed Germination and Physiology
University of Naples Federico II
2014-2024
Federico II University Hospital
2014-2017
Summary A novel negative‐stranded (ns) RNA virus associated with a severe citrus disease reported more than 80 years ago has been identified. Transmission electron microscopy showed that this virus, tentatively named concave gum‐associated is flexuous and non‐enveloped. Notwithstanding, its two genomic RNAs share structural features members of the genus Phlebovirus , which are enveloped arthropod‐transmitted viruses infecting mammals, group still unclassified phlebo‐like mainly arthropods....
A new RNA virus has been identified from a sweet orange tree in southern Italy. This virus, tentatively named citrus (CiVA), bipartite genome composed of (i) negative-stranded (ns) RNA1, encoding the viral RNA-dependent polymerase (RdRp), and (ii) an ambisense RNA2, coding for putative movement protein (MP) nucleocapsid (NP), with two open reading frames separated by long AU-rich intergenic region (IR) adopting hairpin conformation. CiVA genomic RNAs encoded proteins resemble those recently...
Application of organic amendments is considered an eco-friendly practice to promote soil fertility and suppressiveness against a wide range soil-borne pathogens. However, limited information available about the capabilities control virus disease. In this study, different (i.e., compost manure, biochar, alfalfa straw, glucose) was determined Tomato spotted wilt (TSWV) on tomato plants in 1-year-long mesocosm experiment. Organic treatments were compared ordinary management based mineral...
Research on plant antioxidants, such as ascorbic acid (AsA) and polyphenols, is of increasing interest in science because the health benefits preventive role chronic diseases these natural compounds. Pepper (Capiscum annuum L.) a major dietary source especially AsA. Although considerable advance has been made, our understanding AsA biosynthesis its regulation higher plants not yet exhaustive. For instance, while it accepted that content cells regulated at different levels (e.g.,...
Citrus concave gum-associated virus (CCGaV) is a negative-stranded RNA virus, first reported few years ago in citrus trees from Italy. It has been apple the USA and Brazil, suggesting wider host range geographic distribution. Here, an anti-CCGaV polyclonal antiserum to specifically detect developed used standard double antibody sandwich enzyme-linked immunosorbent assay (DAS-ELISA) that validated as sensitive reliable method this both trees. In contrast, when same was direct tissue-blot...
The production and commercialization of natural antioxidants is gaining increasing importance due to their wide range biological effects applications. In vitro cell culture a valuable source plant bioactive compounds, especially those highly dependent on environmental factors. Nonetheless, research the accumulation in cultured cells water-soluble antioxidant vitamins, such as ascorbic acid (AsA), very limited. Tomato fruits are main dietary vitamin C this work, we explored potential for AsA...
Abstract The content of total polyphenols, chlorogenic, caffeic (CaA) and ferulic acids, rutin, was investigated in plant organs three introgression lines (IL7-3, IL10-1 IL12-4) Solanum pennellii lycopersicum cv M82 compared with that cropped parental. Such study aims to evidence factors associated the introgressions can affect polyphenol distribution plant. Among genotypes few differences polyphenols were recorded on fresh weight basis. IL7-3 showed higher fruits lower rutin leaves than...
In 2013 to 2014, a disease causing severe crop losses was observed in several growing areas of the Campania region southern Italy. Disease symptoms consisted necrotic spots on leaves, bracts, and shells along with vein necrosis. Nuts were or aborted symptomatic fruit dropped prematurely. A fungus consistently isolated from tissues morphologically identified as Sphaceloma coryli. The first reported France Italy (Campania) over 30 years ago not subsequently documented until 2006 Latium When...
Abstract Callus cultures were established for Aster sedifolius and caucasicus, two species used in natural medicine their anticancer, antibacterial antiviral activities attributed to the high content of antioxidant compounds such as polyphenols ascorbate. The effects growth medium light condition on induction rate callus from leaf, petiole root explants are reported. proliferation depended genotype experimental conditions. In particular, a profuse culture was obtained leaf grown supplemented...
Viroid and viroid-like satellite RNAs are infectious, circular, non-protein coding reported in plants only so far. Some viroids (family Avsunviroidae) share self-cleaving activity mediated by hammerhead ribozymes (HHRzs) endowed both RNA polarity strands. Using a homology-independent method based on the search for conserved structural motifs of HHRzs reads contigs from high-throughput sequenced RNAseq libraries, we identified novel small (550 nt) library Citrus reticulata tree. Such contains...
Total ascorbic acid (total-AsA) content and percentage of reduced on total-AsA (AsA%) were investigated discussed in fruits, leaves, petiole, stem roots the Solanum lycopersicum cv M82 S. pennellii introgression lines IL7-3, IL10-1 IL12-4. In fruits showed to be different according genotype analysed. Higher accumulations was observed for IL7-3 IL12-4 followed by IL10-1. Total-AsA generally higher leaves than petioles, stems all genotypes. concentration lower AsA% M82, particular IL7-3.
In March 2024, symptoms of vein clearing (Fig. S1) were observed on leaves six lemon (Citrus limon (L.) Burm. f.) trees grown in a private garden Palma Campania (Campania region, Italy). Symptoms strongly resembled those yellow disease, caused by Potexvirus citriflavivenae (citrus virus, CYVCV), genus Potexvirus, sub-genus Mandarivirus (Loconsole et al., 2012; Cui 2018). CYVCV was reported Pakistan, India, China, Iran, Turkey, Korea and USA (Abrahamian 2024; Catara 1993; EPPO, Sun Yokomi,...
Citrus vein enation virus (CVEV) was described in Spain and then it has been reported several citrus growing areas of Asia, America Australia. Here, the occurrence CVEV Italy documented for first time. The full genome sequence a Italian isolate (14Q) determined by high-throughput sequencing presence confirmed RT-PCR graft-transmission to indicator plants, from which recovered six-months post-inoculation. Phylogenetic analysis based on full-length isolates different countries showed that they...