In this task, you're given a paragraph from the research paper and your task is to generate a suitable title for the research paper based on the given paper. Under 100 words is a good title length.
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Question: Background: Female endoparasitic ichneumonid wasps inject virus-like particles into their caterpillar hosts to suppress immunity. These particles are classified as ichnovirus virions and resemble ascovirus virions, which are also transmitted by parasitic wasps and attack caterpillars. Ascoviruses replicate DNA and produce virions. Polydnavirus DNA consists of wasp DNA replicated by the wasp from its genome, which also directs particle synthesis. Structural similarities between ascovirus and ichnovirus particles and the biology of their transmission suggest that ichnoviruses evolved from ascoviruses, although molecular evidence for this hypothesis is lacking. Here we show that a family of unique pox-D5 NTPase proteins in the Glypta fumiferanae ichnovirus are related to three Diadromus pulchellus ascovirus proteins encoded by ORFs 90, 91 and 93. A new alignment technique also shows that two proteins from a related ichnovirus are orthologs of other ascovirus virion proteins. Our results provide molecular evidence supporting the origin of ichnoviruses from ascoviruses by lateral transfer of ascoviral genes into ichneumonid wasp genomes, perhaps the first example of symbiogenesis between large DNA viruses and eukaryotic organisms. We also discuss the limits of this evidence through complementary studies, which revealed that passive lateral transfer of viral genes among polydnaviral, bacterial, and wasp genomes may have occurred repeatedly through an intimate coupling of both recombination and replication of viral genomes during evolution. The impact of passive lateral transfers on evolutionary relationships between polydnaviruses and viruses with large double-stranded genomes is considered in the context of the theory of symbiogenesis. Parasitic wasps belonging to the families Ichneumonidae and Braconidae are among the most successful higher eukaryotic organisms. These two large families contain more than 37,000 known species, and estimates of the total number of species are as high as 100,000 [1].

Answer: Molecular evidence for the evolution of ichnoviruses from ascoviruses by symbiogenesis


Question: Ramsay Hunt syndrome (RHS) is characterized by varicella zoster virus (VZV) infection in the geniculate ganglion of the facial nerve. It typically presents with ipsilateral facial palsy and vesicles in the external auditory canal [1] . Recognizing atypical clinical manifestations of RHS, though not frequently reported, is of clinical importance for clinicians. For instance, RHS without vesicles, condition known as zoster sine herpete [2] , is difficult to distinguish itself from Bell's palsy. Although the vestibulocochlear nerve is frequently co-involved during the course of RHS, multiple lower cranial nerve involvement has rarely been described in the literature [5] [6] [7] [8] [9] [10] [11] [12] . Additionally, laryngitis due to VZV associated with RHS is not a well-recognized clinical entity. We herein report a case of Ramsay Hunt syndrome with zoster pharyngitis involving multiple lower cranial nerves. A 66-year-old woman with a history of hypertension was hospitalized because of progressive dizziness, right-side facial weakness and dysphagia. The patient was in her usual state of health until 6 days before admission, when sore throat and odynophagia developed, associated with subjective fevers and anorexia. Two days before admission, the patient reported dizziness, right-side facial weakness associated with pain radiating to the right ear, and dysphagia. The patient denied headache, photophobia, neck stiffness, nausea or vomiting. On the morning of admission, the patient developed right-side tinnitus, unsteady gait and inability to close the right eye. On physical examination, the patient appeared to be in mild distress. The temperature was 101.8 8F, blood pressure 176/93 mm Hg, pulse 102 beats per minute, respirations 20 breaths per minute and oxygen saturation 97% on room air. Her heart sounds were regular without murmurs and her lungs were clear to auscultation. On otologic examination, a few vesicles were observed in the external auditory canal of the right ear with a normal tympanic membrane. Neurological examination revealed peripheral facial nerve palsy (VII), with involvement of the left vestibulocochlear nerve (VIII), glossopharyngeal nerve (IX) and vagus nerve (X) ( Table 1) . Spinal accessory nerve (XI) and hypoglossal nerve (XII) were intact. Flexible laryngoscopic examination revealed erythema and erosive lesions on the right side of the epiglottis and arytenoid. There was an asymmetry of the soft palate. A biopsy of the erosive lesions was not performed. A non-contrast computed tomography of the head and temporal bone revealed no abnormalities. Ramsay Hunt syndrome with laryngitis due to varicella zoster virus was suspected and the patient was started on acyclovir and steroid therapy. After the completion of a 7-day course of the combination therapy, the patient's neurological symptoms improved except for the facial nerve palsy. Healed erosions on the IDCases 2 (2015) 47-48 A B S T R A C T Ramsay Hunt syndrome is characterized by varicella zoster virus infection affecting the geniculate ganglion of the facial nerve. It typically presents with vesicles in the external auditory canal associated with auricular pain and peripheral facial nerve paralysis. Although vestibulocochlear nerve is frequently co-involved during the course of Ramsay Hunt syndrome, multiple lower cranial nerve involvement has rarely been described in the literature. In addition, laryngitis due to varicella zoster virus is a diagnostic challenge due to its unfamiliarity among clinicians. We report a case of Ramsay Hunt syndrome with laryngitis involving multiple lower cranial nerves.

Answer: Ramsay Hunt syndrome and zoster laryngitis with multiple cranial nerve involvement-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)


Question: By using peripheral blood samples from 221 cases of severe acute respiratory syndrome (SARS), 34 of Mycoplasma pneumoniae infection, and 44 healthy adults, we measured the total number of natural killer (NK) and CD158b+ NK cells (CD158b+ NK) using flow cytometric analysis and calculated the percentage of CD158b+ NK cells. The total number of NK and CD158b+ NK cells and the percentage of CD158b+ NK cells were significantly lower in patients with SARS than in those with M pneumoniae infection (P < .05 for all) and healthy subjects (P < .01, P < .01, P < .05, respectively); in 72 patients with severe SARS than in 149 with mild SARS (P < .05 for all); and in 174 cases of SARS with anti-SARS coronavirus-specific IgG and/or IgM antibodies than in 47 without antibodies (P < .05, P < .01, P < .01, respectively). There were no significant differences for the 3 values among patients with SARS without anti-SARS coronavirus antibody, patients with M pneumoniae infection, and healthy subjects. The number of NK cells and the expression of CD158b on the surface of NK cells changed in patients with SARS and correlated with disease severity and the presence of anti-SARS coronavirus-specific antibodies; SARS differed from M pneumoniae infection in pathogenesis involving NK cells. Monitoring the total number of NK and CD158b+ NK cells and the percentage of CD158b+ NK cells might aid in differentiating SARS from M pneumoniae infection. Materials and Methods This study included a cohort of 221 patients with SARS who were admitted to hospitals in the Beijing, China, area

Answer:
The Involvement of Natural Killer Cells in the Pathogenesis of Severe Acute Respiratory Syndrome