Combined of salicylic acid and Pseudomonas fluorescens CHA0 on the expression of PR1 gene and control of Meloidogyne javanica in tomato
This study examined inducing resistance to tomato against Meloidogyne javanica, as well as time-dependent changes in the expression of PR1 gene, after applying salicylic acid (SA) and Pseudomonas fluorescens CHA0 (Pf) in the leaf tissue of healthy and infected tomatoes. Combined application of SA and Pf improved the plant growth and reduced root-galling, the number of eggs and egg-masses and reproduction factor. The results of the experiment of gene expression revealed that in all of the treatments, the expression of PR1 gene changed at different time points. The expression of PR1 gene in infected plants, 24 h after inoculation with nematode, was 98% higher than that of the control plants and 48 h after nematode inoculation, was about 58% less than that of control plants. The maximum expression of PR1 gene in nematode infected plants treated with Pf + SA was observed eight days after soil drench application of Pf that was 48 h after treatment with SA and 24 h after nematode inoculation and nine days after application of Pf, downregulation of the PR1 gene occurred. This study revealed that SA and Pf improved the plant growth indices and reduced the infection of Meloidogyne javanica in tomato plants and also it was observed that the expression of PR1 gene was significantly reduced in treatments with Pf and SA, as compared to their combination.Graphical abstract
AbstractAbout one-sixth of the world ’s population is affected by a neglected tropical disease as defined by the World Health Organization and Center for Disease Control. Parasitic diseases comprise most of the neglected tropical disease list and they are causing enormous amounts of disability, morbidity, mortality, and healthcare co sts worldwide. The burden of disease of the top five parasitic diseases has been estimated to amount to a total 23 million disability-adjusted life-years. Despite the massive health and economic impact, most drugs currently used for the treatment of parasitic diseases have been developed...
Publication date: Available online 24 February 2020Source: The Brazilian Journal of Infectious DiseasesAuthor(s): Hollman Miller, Julián Trujillo-Trujillo, Francis Mutebi, Hermann Feldmeier
Publication date: Available online 25 February 2020Source: International Journal for Parasitology: Parasites and WildlifeAuthor(s): Serge Ely Dibakou, Alain Souza, Larson Boundenga, Laurent Givalois, Séverine Mercier-Delarue, François Simon, Franck Prugnolle, Elise Huchard, Marie JE. Charpentier
Publication date: Available online 24 February 2020Source: International Journal for Parasitology: Parasites and WildlifeAuthor(s): Anna W. Myczka, Witold Jeżewski, Katarzyna J. Filip – Hutsch, Anna M. Pyziel, Jerzy Kowal, Aleksander W. Demiaszkiewicz, Zdzisław Laskowski
In conclusion, although the transitory effects on libido could reduce conception rates, the overall effects of T. orientalis Ikeda type infection on bull fertility will probably be little. PMID: 32087922 [PubMed - in process]
(Drugs for Neglected Diseases Initiative) Novartis and the Drugs for Neglected Diseases initiative (DNDi), a not-for-profit research and development (R&D) organization, have signed a collaboration and licence agreement to jointly develop LXE408, as a potential new oral treatment for visceral leishmaniasis, one of the world's leading parasitic killers.
Contributors : Suchita Rastogi ; Yuan Xue ; Stephen R Quake ; John C BoothroydSeries Type : Expression profiling by high throughput sequencingOrganism : Toxoplasma gondii RHThe intracellular parasite Toxoplasma gondii employs a vast array of effector proteins from the rhoptry and dense granule organelles to modulate host cell biology; these effectors are known as ROPs and GRAs, respectively. To examine the individual impacts of ROPs and GRAs on host gene expression, we developed a robust, novel protocol to enrich for ultra-pure populations of a naturally occurring and reproducible population of host cells called uninfected...
This week's case was kindly donated by Monica Jarvis and Liliana Arias. The patient is a young child who lives on a family farm. The mother noticed " worms " in the child's stool and submitted them to the laboratory for identification.Squash preparation:What is this?
This study supports the use of PCR as an alternative or adjunct to the morphological identification of nematode larvae in formalin-fixed histopathological samples, as well as showing that in investigation of larva migrans, PCR has greatest chance of success from sections where nematode larvae are evident histologically. The identification of Toxocara cati from lesions of larva migrans in kiwi reflects an indirect, parasite-mediated effect of an invasive mammalian species on a native species.Graphical abstract
Blastocystis is a genetically diverse microbial eukaryote thriving in the gut of humans and other animals. While Blastocystis has been linked with gastrointestinal disorders, its pathogenicity remains controversial. Previous reports have suggested that one out of six humans could be carrying Blastocystis in their gut, while the numbers could be even higher in animals. Most studies on Blastocystis are either exclusively targeting the organism itself and/or the associated prokaryotic microbiome, while co-occurrence of other microbial eukaryotes has been mainly ignored. Herein, we aimed to explore presence and genetic diversi...