Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR27295020.fastq.gz | Fastqsanger.gz | |||
| SRR27295021.fastq.gz | Fastqsanger.gz | |||
| SRR27295021_1.fastq.gz | Fastqsanger.gz | |||
| SRR27295021_2.fastq.gz | Fastqsanger.gz |
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Project description:Ulcerative colitis is a chronic inflammatory disorder for which a definitive cure is still missing. This is characterized by an overwhelming inflammatory milieu in the colonic tract where a composite set of immune and non-immune cells orchestrate its pathogenesis. Over the last years, a growing body of evidence has been pinpointing gut virome dysbiosis as underlying its progression. Nonetheless, its role during the early phases of chronic inflammation is far from being fully defined. Here we show the gut virome-associated Hepatitis B virus protein X, most likely acquired after an event of zoonotic spillover, to be associated with the early stages of ulcerative colitis and to induce colonic inflammation in mice. It acts as a transcriptional regulator in epithelial cells, provoking barrier leakage and altering mucosal immunity at the level of both innate and adaptive immunity. This study paves the way to the comprehension of the aetiopathogenesis of intestinal inflammation and encourages further investigations of the virome as a trigger also in other scenarios. Moreover, it provides a brand-new standpoint that looks at the virome as a target for tailored treatments, blocking the early phases of chronic inflammation and possibly leading to better disease management.
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Project description:We performed Illumina sequencing of sRNA libraries prepared from juvenile and reproductive phase buds from the apple trees. A large number of sRNAs exemplified by 33 previously annotated miRNAs and 6 novel members displayed significant differential expression (DE) patterns in juvenile and reproductive stages. The study provides new insight into our understanding of fundamental mechanism of poorly studied phase transitions in apple and other woody plants and important resource for future in-depth research in the apple development.
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Project description:In order to understand the function of the translation elongation factor MdEF-Tu in the apple disease resistance, we used wild-type and MdEF-Tu transgenic apple materials to analyze the protein regulatory mechanism in the apple disease resistance process.
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Project description:Necrotizing enterocolitis (NEC) is a severe intestinal disorder connected to a gut microbiota dysbiosis. Approximately 7-8% of very low birth weight (VLBW) infants are diagnosed with NEC with mortality rates reaching 20-50%. Fecal virome transfer (FVT) is an approach where the bacteria-free fecal fraction from a healthy donor is administered to a patient with a GM dysbiosis. FVT contains e.g. bacteriophages, eukaryotic viruses, and metabolites. Oral administered FVT from healthy milk-fed term pigs shows promising potential in preventing NEC in the preterm piglet model. However, efficacy and safety are inconsistent between experiments. In the current study, we aim to explore methods of creating reproducible FVT-like treatments and test if these act preventive against NEC and possess minimal side effects in the preterm piglet model. Using cesarean-delivered, formula-fed preterm pigs, we compare the NEC preventive effect of native donor fecal virome (nFV) with: 1) a defined bacteriophage cocktail targeting NEC-associated bacteria; and 2) a chemostat fecal virome propagation with lactose as the major carbohydrate source (cFV), and 3) chemostat fecal virome propagation with lactose and milk oligosaccharides (cFV-OS). All methods will be compared to control treatment with SM buffer (SM).
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Project description:Fire blight (FB) is a bacterial disease affecting plants from Rosaceae family, including apple and pear. FB develops after the infection of Erwinia amylovora, gram-negative enterobacterium, and results in burnt-like damages and wilting, which can affect all organs of the plant. Although the mechanisms underlying disease response in apples are not elucidated yet, it has been well described that FB resistance depends on the rootstock type. The main objective of this work was to identify miRNAs involved in response to bacterial infection in order to better explain apple defense mechanisms against fire blight disease. We performed deep sequencing of eighteen small RNA libraries obtained from inoculated and non-inoculated Gala apple leaves. 233 novel plant mature miRNAs were identified together with their targets and potential role in response to bacterial infection. We identify three apple miRNAs responding to inoculation (mdm-miR168a,b, mdm-miR194C and mdm-miR1392C) as well as miRNAs reacting to bacterial infection in a rootstock-specific manner (miR395 family). Our results provide insights into the mechanisms of fire blight resistance in apple.
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