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Zeitschriftenartikel zum Thema „Virové infekce“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Rainetová, Petra. "Viral intestinal infections - viral gastroenteritides." Pediatrie pro praxi 18, no. 1 (2017): 44–49. http://dx.doi.org/10.36290/ped.2017.009.

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Beneš, Jiří, and Dana Nováková. "Pathogenesis of covid-19: principles of viral infection and immune response." Intervenční a akutní kardiologie 20, no. 2 (2021): 73–77. http://dx.doi.org/10.36290/kar.2021.023.

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Boštíková, Vanda, Petr Prášil, Miloslav Salavec, and Pavel Boštík. "Selected viral and bacterial infections transmitted perinatally - part three toxoplasmosis." Pediatrie pro praxi 17, no. 2 (2016): 77–79. http://dx.doi.org/10.36290/ped.2016.016.

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4

Vinogradova, Svetlana, Elena Porotikova, Emiliya Navrotskaya, Zsuzsanna Nagyne Galbacs, Sébastien Massart, and Eva Varallyay. "The First Virome of a Russian Vineyard." Plants 12, no. 18 (2023): 3292. http://dx.doi.org/10.3390/plants12183292.

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Among other pathogens, more than 80 viruses infect grapevine. The aim of this work was to study the virome diversity of grapevine viruses and mycoviruses of a vineyard using high-throughput sequencing technologies. The grapevine virome was studied in symptomatic vines of the Rkatsiteli cultivar (V. vinifera) collected at the vineyards of the Krasnodar Krai in Russia. Ribosomal-depleted total RNA and isolated small RNAs were used for library preparation and high-throughput sequencing. Six grapevine-infecting viruses and two viroids were validated by RT-PCR and analyzed phylogenetically. We iden

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Ortolá, Beltrán, and José-Antonio Daròs. "Viroids: Non-Coding Circular RNAs Able to Autonomously Replicate and Infect Higher Plants." Biology 12, no. 2 (2023): 172. http://dx.doi.org/10.3390/biology12020172.

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Viroids are a unique type of infectious agent, exclusively composed of a relatively small (246–430 nt), highly base-paired, circular, non-coding RNA. Despite the small size and non-coding nature, the more-than-thirty currently known viroid species infectious of higher plants are able to autonomously replicate and move systemically through the host, thereby inducing disease in some plants. After recalling viroid discovery back in the late 60s and early 70s of last century and discussing current hypotheses about their evolutionary origin, this article reviews our current knowledge about these pe

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Pleško, I. Mavric, M. Viršcek Marn, Z. Miladinovic, and J. Zindovic. "First Report of Peach latent mosaic viroid in Peach Trees in Montenegro." Plant Disease 96, no. 1 (2012): 150. http://dx.doi.org/10.1094/pdis-06-11-0487.

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Peach latent mosaic viroid (PLMVd) and Hop stunt viroid (HSVd) are known to infect stone fruit species worldwide. The viroid infection can be latent or induce a variety of disease symptoms. Stone fruit samples were collected in Montenegro for a Plum pox virus (PPV) survey in 2007. Thirteen samples infected with PPV, taken from 12-year-old peach trees (Prunus persica (L.) Batsch, cv. Elegant Lady) in the area of Cemovsko field, were tested for the presence of PLMVd and HSVd by reverse transcription (RT)-PCR. Mild or severe mosaic, chlorotic rings, and fruit deformations were observed on some tr

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Focà, Alfredo, Maria Carla Liberto, Angela Quirino, Nadia Marascio, Emilia Zicca, and Grazia Pavia. "Gut Inflammation and Immunity: What Is the Role of the Human Gut Virome?" Mediators of Inflammation 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/326032.

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The human virome comprises viruses that infect host cells, virus-derived elements in our chromosomes, and viruses that infect other organisms, including bacteriophages and plant viruses. The development of high-throughput sequencing techniques has shown that the human gut microbiome is a complex community in which the virome plays a crucial role into regulation of intestinal immunity and homeostasis. Nevertheless, the size of the human virome is still poorly understood. Indeed the enteric virome is in a continuous and dynamic equilibrium with other components of the gut microbiome and the gut

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Venkataraman, Srividhya, Uzma Badar, Erum Shoeb, Ghyda Hashim, Mounir AbouHaidar, and Kathleen Hefferon. "An Inside Look into Biological Miniatures: Molecular Mechanisms of Viroids." International Journal of Molecular Sciences 22, no. 6 (2021): 2795. http://dx.doi.org/10.3390/ijms22062795.

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Viroids are tiny single-stranded circular RNA pathogens that infect plants. Viroids do not encode any proteins, yet cause an assortment of symptoms. The following review describes viroid classification, molecular biology and spread. The review also discusses viroid pathogenesis, host interactions and detection. The review concludes with a description of future prospects in viroid research.

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Mukhopadhya, Indrani, Jonathan P. Segal, Simon R. Carding, Ailsa L. Hart, and Georgina L. Hold. "The gut virome: the ‘missing link’ between gut bacteria and host immunity?" Therapeutic Advances in Gastroenterology 12 (January 2019): 175628481983662. http://dx.doi.org/10.1177/1756284819836620.

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The human gut virome includes a diverse collection of viruses that infect our own cells as well as other commensal organisms, directly impacting on our well-being. Despite its predominance, the virome remains one of the least understood components of the gut microbiota, with appropriate analysis toolkits still in development. Based on its interconnectivity with all living cells, it is clear that the virome cannot be studied in isolation. Here we review the current understanding of the human gut virome, specifically in relation to other constituents of the microbiome, its evolution and life-lon

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Adkar-Purushothama, Charith Raj, and Jean-Pierre Perreault. "Impact of Nucleic Acid Sequencing on Viroid Biology." International Journal of Molecular Sciences 21, no. 15 (2020): 5532. http://dx.doi.org/10.3390/ijms21155532.

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The early 1970s marked two breakthroughs in the field of biology: (i) The development of nucleotide sequencing technology; and, (ii) the discovery of the viroids. The first DNA sequences were obtained by two-dimensional chromatography which was later replaced by sequencing using electrophoresis technique. The subsequent development of fluorescence-based sequencing method which made DNA sequencing not only easier, but many orders of magnitude faster. The knowledge of DNA sequences has become an indispensable tool for both basic and applied research. It has shed light biology of viroids, the hig

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Cho, Won, Yeonhwa Jo, Kyoung-Min Jo, and Kook-Hyung Kim. "A Current Overview of Two Viroids That Infect Chrysanthemums: Chrysanthemum stunt viroid and Chrysanthemum chlorotic mottle viroid." Viruses 5, no. 4 (2013): 1099–113. http://dx.doi.org/10.3390/v5041099.

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Wei, Shuang, Ruiling Bian, Ida Bagus Andika, et al. "Symptomatic plant viroid infections in phytopathogenic fungi." Proceedings of the National Academy of Sciences 116, no. 26 (2019): 13042–50. http://dx.doi.org/10.1073/pnas.1900762116.

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Viroids are pathogenic agents that have a small, circular noncoding RNA genome. They have been found only in plant species; therefore, their infectivity and pathogenicity in other organisms remain largely unexplored. In this study, we investigate whether plant viroids can replicate and induce symptoms in filamentous fungi. Seven plant viroids representing viroid groups that replicate in either the nucleus or chloroplast of plant cells were inoculated to three plant pathogenic fungi,Cryphonectria parasitica,Valsa mali, andFusarium graminearum. By transfection of fungal spheroplasts with viroid

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Aviña-Padilla, Katia, Erika Janet Zamora-Macorra, Daniel Leobardo Ochoa-Martínez, et al. "Mexico: A Landscape of Viroid Origin and Epidemiological Relevance of Endemic Species." Cells 11, no. 21 (2022): 3487. http://dx.doi.org/10.3390/cells11213487.

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Viroids are single-stranded, circular RNA molecules (234-406 nt) that infect a wide range of crop species and cause economic losses in agriculture worldwide. They are characterized by the existence of a population of sequence variants, attributed to the low fidelity of RNA polymerases involved in their transcription, resulting in high mutation rates. Therefore, these biological entities exist as quasispecies. This feature allows them to replicate within a wide range of host plants, both monocots and dicots. Viroid hosts include economically important crops such as tomato, citrus, and fruit tre

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Hassan, M., P. Rysanek, and F. Di Serio. "First Report of Peach latent mosaic viroid and Hop stunt viroid Infecting Peach Trees in the Czech Republic." Plant Disease 87, no. 12 (2003): 1537. http://dx.doi.org/10.1094/pdis.2003.87.12.1537b.

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Peach latent mosaic viroid (PLMVd) and Hop stunt viroid (HSVd) are known to naturally infect stone fruits, but their contemporary presence in peach trees has been reported only recently (3). During a field validation of detection methods developed for sanitary screening of propagation material, PLMVd and HSVd, alone or in mixed infections, were detected in peach trees grown in the trial orchard of the Czech University of Agriculture in Prague. Leaf samples were collected in September 2002 from symptomless trees of peach cultivars imported from the United States (cvs. Sunhaven, Redhaven, Fairha

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Ni, Xue-Bing, Xiao-Ming Cui, Jin-Yue Liu, et al. "Metavirome of 31 tick species provides a compendium of 1,801 RNA virus genomes." Nature Microbiology 8, no. 1 (2023): 162–73. http://dx.doi.org/10.1038/s41564-022-01275-w.

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AbstractThe increasing prevalence and expanding distribution of tick-borne viruses globally have raised health concerns, but the full repertoire of the tick virome has not been assessed. We sequenced the meta-transcriptomes of 31 different tick species in the Ixodidae and Argasidae families from across mainland China, and identified 724 RNA viruses with distinctive virome compositions among genera. A total of 1,801 assembled and complete or nearly complete viral genomes revealed an extensive diversity of genome architectures of tick-associated viruses, highlighting ticks as a reservoir of RNA

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Cottilli, Patrick, Borja Belda-Palazón, Charith Raj Adkar-Purushothama, et al. "Citrus exocortis viroid causes ribosomal stress in tomato plants." Nucleic Acids Research 47, no. 16 (2019): 8649–61. http://dx.doi.org/10.1093/nar/gkz679.

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Abstract Viroids are naked RNAs that do not code for any known protein and yet are able to infect plants causing severe diseases. Because of their RNA nature, many studies have focused on the involvement of viroids in RNA-mediated gene silencing as being their pathogenesis mechanism. Here, the alterations caused by the Citrus exocortis viroid (CEVd) on the tomato translation machinery were studied as a new aspect of viroid pathogenesis. The presence of viroids in the ribosomal fractions of infected tomato plants was detected. More precisely, CEVd and its derived viroid small RNAs were found to

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Nome, C. F., L. V. Difeo, A. Giayetto, M. Rossini, S. Frayssinet, and A. Nieto. "First Report of Pear blister canker viroid in Pear Trees in Argentina." Plant Disease 95, no. 7 (2011): 882. http://dx.doi.org/10.1094/pdis-03-11-0154.

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During December 2009 and January 2010, pear trees (Pyrus communis L.) from five orchards located in Allen (Alto Valle) and one in Rio Colorado, both in Rio Negro Province in Argentina, were randomly sampled for Pear blister canker viroid (PBCVd). Ninety-six trees were tested, 20 of cv. Williams, 4 of Abate Fetel, 30 of D'Anjou, and 38 of Packhamn, that showed no symptoms of PBCVd, plus four trees of cv. Red Bartlett that exhibited symptoms of bark pustules and rounded, scaly cankers varying from 2 to 6 cm in diameter on the stems. Purified dsRNA from leaves of 96 trees were analyzed by dot-blo

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Jiang, D. M., S. F. Li, F. H. Fu, Z. J. Wu, and L. H. Xie. "First Report of Coleus blumei viroid 5 from Coleus blumei in India and Indonesia." Plant Disease 97, no. 4 (2013): 561. http://dx.doi.org/10.1094/pdis-09-12-0815-pdn.

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Coleus blumei, which was found originally in Indonesia, is an ornamental plant grown worldwide. It can be infected by several viroids of the genus Coleviroid, family Pospiviroidae. Six main viroids that infect coleus have been reported: Coleus blumei viroid 1 through 6 (CbVd-1 ~ CbVd-6). Although CbVd-1 was first reported in a commercial coleus in Brazil in 1989 (1), and then in Germany, Japan, Canada, Korea, China, and India, CbVd-5 was reported only in China in 2009 (2). Symptoms caused by CbVd-5 varied depending on different cultivars, and in case of an unknown cultivar of “Red with dark gr

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Eiras, Marcelo, Maria Luisa P. N. Targon, Thor V. M. Fajardo, Ricardo Flores, and Elliot W. Kitajima. "Citrus exocortis viroid and Hop Stunt viroid Doubly infecting grapevines in Brazil." Fitopatologia Brasileira 31, no. 5 (2006): 440–46. http://dx.doi.org/10.1590/s0100-41582006000500002.

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Viroids, non-protein-coding small (246-401 nt) circular single-stranded RNAs with autonomous replication, are currently classified into two families. Within the family Pospiviroidae, Citrus exocortis viroid (CEVd) belongs to the genus Pospiviroid while Hop stunt viroid (HSVd) is the single member of the genus Hostuviroid. These pathogens are distributed worldwide and infect a large number of hosts. In Brazil, isolates of CEVd and HSVd have been detected in both citrus and grapevine. To characterize and study the genetic variability of these viroids, total RNA from leaves of grapevine Vitis vin

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Ding, Biao, and Asuka Itaya. "Viroid: A Useful Model for Studying the Basic Principles of Infection and RNA Biology." Molecular Plant-Microbe Interactions® 20, no. 1 (2007): 7–20. http://dx.doi.org/10.1094/mpmi-20-0007.

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Viroids are small, circular, noncoding RNAs that currently are known to infect only plants. They also are the smallest self-replicating genetic units known. Without encoding proteins and requirement for helper viruses, these small RNAs contain all the information necessary to mediate intracellular trafficking and localization, replication, systemic trafficking, and pathogenicity. All or most of these functions likely result from direct interactions between distinct viroid RNA structural motifs and their cognate cellular factors. In this review, we discuss current knowledge of these RNA motifs

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Dong, Kaili, Chuan Xu, Ioly Kotta‐Loizou, et al. "Novel Viroid‐Like RNAs Naturally Infect a Filamentous Fungus (Adv. Sci. 3/2023)." Advanced Science 10, no. 3 (2023): 2370014. http://dx.doi.org/10.1002/advs.202370014.

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Chiumenti, Michela, Beatriz Navarro, Thierry Candresse, Ricardo Flores, and Serio Francesco Di. "Reassessing species demarcation criteria in viroid taxonomy by pairwise identity matrices." Virus Evolution 7, no. 1 (2021): veab001. https://doi.org/10.1093/ve/veab001.

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With a small, circular and non-protein coding RNA genome, viroids are the smallest infectious agents. They invade plants, which in turn may develop symptoms. Since their discovery about 50 years ago, more than thirty viroids have been reported and classified using as species demarcation less than 90 per cent sequence identity on the overall genome and evidence of biological divergence with respect to the closest related viroids. In the last few years, new viroids have been identified that infect latently their (frequently) woody hosts and have a narrow experimental hosts range, complicating an

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Adkar-Purushothama, Charith Raj, Pavithran Sridharan Iyer, Teruo Sano, and Jean-Pierre Perreault. "sRNA Profiler: A User-Focused Interface for Small RNA Mapping and Profiling." Cells 10, no. 7 (2021): 1771. http://dx.doi.org/10.3390/cells10071771.

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Viroids are circular, highly structured, single-stranded, non-coding RNA pathogens known to infect and cause disease in several plant species. They are known to trigger the host plant’s RNA silencing machinery. The detection of viroid-derived small RNAs (vd-sRNA) in viroid-infected host plants opened a new avenue of study in host–viroid pathogenicity. Since then, several viroid research groups have studied the vd-sRNA retrieved from different host–viroid combinations. Such studies require the segregation of 21- to 24-nucleotide long small RNAs (sRNA) from a deep-sequencing databank, followed b

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Briese, Thomas, Amit Kapoor, Nischay Mishra, et al. "Virome Capture Sequencing Enables Sensitive Viral Diagnosis and Comprehensive Virome Analysis." mBio 6, no. 5 (2015): e01491-15. https://doi.org/10.5281/zenodo.13532088.

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(Uploaded by Plazi for the Bat Literature Project) ABSTRACT Insensitivity and technical complexity have impeded the implementation of high-throughput nucleic acid sequencing in differential diagnosis of viral infections in clinical laboratories. Here, we describe the development of a virome capture sequencing platform for vertebrate viruses (VirCapSeq-VERT) that increases the sensitivity of sequence-based virus detection and characterization. The system uses ~2 million probes that cover the genomes of members of the 207 viral taxa known to infect vertebrates, including humans. A biotinylated o

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Briese, Thomas, Amit Kapoor, Nischay Mishra, et al. "Virome Capture Sequencing Enables Sensitive Viral Diagnosis and Comprehensive Virome Analysis." mBio 6, no. 5 (2015): e01491-15. https://doi.org/10.5281/zenodo.13532088.

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(Uploaded by Plazi for the Bat Literature Project) ABSTRACT Insensitivity and technical complexity have impeded the implementation of high-throughput nucleic acid sequencing in differential diagnosis of viral infections in clinical laboratories. Here, we describe the development of a virome capture sequencing platform for vertebrate viruses (VirCapSeq-VERT) that increases the sensitivity of sequence-based virus detection and characterization. The system uses ~2 million probes that cover the genomes of members of the 207 viral taxa known to infect vertebrates, including humans. A biotinylated o

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Liu, X. L., Q. Wei, B. Hong, and X. T. Zhao. "First Report of Potato virus Y Strain N-Wilga Infecting Chrysanthemum in China." Plant Disease 98, no. 11 (2014): 1589. http://dx.doi.org/10.1094/pdis-02-14-0154-pdn.

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Chrysanthemum (Chrysanthemum morifolium Ramat.) is a commercially important ornamental grown worldwide, and is also extensively used as an edible and medicinal plant. In the present work, viruses and viroids infecting chrysanthemum were investigated in China in 2012 and 2013. Typical viral symptoms were observed in field-grown chrysanthemum with leaf yellowing and mottled leaves in Wenjiang District, Sichuan Province, China. The incidence of these symptoms in the field was 12.3%. Chrysanthemum virus B (CVB), Tomato aspermy virus (TAV), Cucumber mosaic virus (CMV), Tobacoo mosaic virus (TMV), C

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Yang, Y. A., H. Q. Wang, R. Guo, Z. M. Cheng, S. F. Li, and T. Sano. "First Report of Hop stunt viroid in Apricot in China." Plant Disease 90, no. 6 (2006): 828. http://dx.doi.org/10.1094/pd-90-0828c.

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Hop stunt viroid (HSVd), a member of the family Pospiviroidae, was first described as the causal agent of hop stunt disease in Japan. It has since been found in a wide range of hosts including herbaceous and woody hosts (e.g., hop, cucumber, grapevine, citrus, plum, peach, pear, apricot, almond, and pomegranate). It was also detected and characterized in apricot where infection appears to be latent (1). The viroid occurs frequently in apricot. In southeastern Spain, the presence of HSVd was found to infect 81% of apricot trees (2). Apricots originated in China and are extensively cultivated, b

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Mpakosi, Alexandra, Rozeta Sokou, Martha Theodoraki, et al. "The Role of Infant and Early Childhood Gut Virome in Immunity and the Triggering of Autoimmunity—A Narrative Review." Diagnostics 15, no. 4 (2025): 413. https://doi.org/10.3390/diagnostics15040413.

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Background: The bacterial gut microbiome has been the subject of many studies that have provided valuable scientific conclusions. However, many different populations of microorganisms that interact with each other to maintain homeostasis coexist inside the gut. The gut virome, especially, appears to play a key role in this interactive microenvironment. Intestinal viral communities, including bacteriophages, appear to influence health and disease, although their role has not yet been fully elucidated. In addition, bacteriophages or viruses that infect bacteria regulate bacterial growth, thus sh

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Nuraini, Ayu Nindita, Evan Purnama Ramdan, and Erniawati Diningsih. "IDENTIFIKASI VIROID PENYEBAB PENYAKIT KERDIL PADA KRISAN MENGGUNAKAN RT-PCR." Jurnal Pertanian Presisi (Journal of Precision Agriculture) 4, no. 1 (2020): 10–17. http://dx.doi.org/10.35760/jpp.2020.v4i1.2786.

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Bunga krisan merupakan tanaman hias populer di Indonesia. Saat ini telah dilaporkan 14 jenis virus yang dapat menginfeksi tanaman krisan, sehingga akan menurunkan hasil bunga krisan. Oleh karena itu, pada penelitian ini akan diidentifikasi penyakit tanaman krisan yang disebabkan oleh virus dengan menggunakan teknik RT-PCR. Penelitian diawali dengan pengamatan gejala penyakit pada daun yang diindikasikan terinfeksi virus. Sampel daun bergejala kemudian diambil untuk diidentifikasi dengan teknik RT-PCR meliputi proses ekstrasi total DNA dan ampilifikasi nukleotida dengan menggunakan pasangan pri

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Kaczorowska, Joanna, and Lia van der Hoek. "Human anelloviruses: diverse, omnipresent and commensal members of the virome." FEMS Microbiology Reviews 44, no. 3 (2020): 305–13. http://dx.doi.org/10.1093/femsre/fuaa007.

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ABSTRACT Anelloviruses are small, single stranded circular DNA viruses. They are extremely diverse and have not been associated with any disease so far. Strikingly, these small entities infect most probably the complete human population, and there are no convincing examples demonstrating viral clearance from infected individuals. The main transmission could be via fecal-oral or airway route, as infections occur at an early age. However, due to the lack of an appropriate culture system, the virus–host interactions remain enigmatic. Anelloviruses are obviously mysterious viruses, and their impac

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Tessitori, Matilde, Serena Rizza, Antonella Reina, Giovanni Causarano, and Francesco Di Serio. "The genetic diversity of Citrus dwarfing viroid populations is mainly dependent on the infected host species." Journal of General Virology 94, no. 3 (2013): 687–93. http://dx.doi.org/10.1099/vir.0.048025-0.

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As with viruses, viroids infect their hosts as polymorphic populations of variants. Identifying possible sources of genetic variability is significant in the case of the species Citrus dwarfing viroid (CDVd) which has been proposed as a dwarfing agent for high-density citrus plantings. Here, a natural CDVd isolate (CMC) was used as an inoculum source for long-term (25 years) and short-term (1 year) bioassays in different citrus host species. Characterization of progenies indicated that the genetic stability of CDVd populations was high in certain hosts (trifoliate orange, Troyer citrange, Etro

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Engelbrektson, Anna Lynn, Zane Fink, Jason Ladner, and John Altin. "Longitudinal immunomonitoring across the virome using a highly-multiplexed serological assay and citizen science." Journal of Immunology 204, no. 1_Supplement (2020): 225.2. http://dx.doi.org/10.4049/jimmunol.204.supp.225.2.

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Abstract Hundreds of viral species are known to infect humans. During a typical year, the average adult is naturally infected with ~10 new viruses, many asymptomatically, but most leaving a humoral footprint. The detection of viral exposures and the associated immune responses is useful for various purposes – clinical diagnostics, epidemiological surveillance, immunological profiling, and potentially as biomarkers or risk factors for complex, immune-related diseases –however, current assays are incommensurate with the diversity of the human virome. Here, we present a new approach to chart the

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Lee, Hyo-Jeong, Sang-Min Kim, and Rae-Dong Jeong. "Analysis of Wheat Virome in Korea Using Illumina and Oxford Nanopore Sequencing Platforms." Plants 12, no. 12 (2023): 2374. http://dx.doi.org/10.3390/plants12122374.

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Wheat (Triticum aestivum L.) is one of the most important staple crops in the world, along with maize and rice. More than 50 plant viruses are known to infect wheat worldwide. To date, there are no studies on the identification of viruses infecting wheat in Korea. Therefore, we investigated virome in wheat from three different geographical regions where wheat is mainly cultivated in Korea using Oxford Nanopore Technology (ONT) sequencing and Illumina sequencing. Five viral species, including those known to infect wheat, were identified using high-throughput sequencing strategies. Of these, bar

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Dallari, Simone, Thomas Heaney, Adriana Rosas, and Ken Cadwell. "Functional characterization of the enteric animal virome." Journal of Immunology 202, no. 1_Supplement (2019): 191.9. http://dx.doi.org/10.4049/jimmunol.202.supp.191.9.

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Abstract The enteric virome includes viruses that infect eukaryotic cells in the gut and is one constituent of the mammalian microbiome. Although best known for causing acute diarrheal disease, many of these viruses are detected in asymptomatic individuals. The immune consequence of harboring these viruses is unclear. We recently demonstrated that norovirus infection promotes the development of the mucosal immune system in mice in a manner similar to symbiotic bacteria, and can protect against models of chemical and microbial injury. These results are reminiscent of findings from the microbiom

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Canales, Celia, Félix Morán, Antonio Olmos, and Ana Belén Ruiz-García. "First Detection and Molecular Characterization of Apple Stem Grooving Virus, Apple Chlorotic Leaf Spot Virus, and Apple Hammerhead Viroid in Loquat in Spain." Plants 10, no. 11 (2021): 2293. http://dx.doi.org/10.3390/plants10112293.

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Loquat (Eriobotrya japonica) is an important crop in Spain. To date, only one viral species, apple stem pitting virus (ASPV), has been detected in Spanish loquat orchards. In this study, the presence of additional viruses infecting this crop in Spain was investigated. RT-PCR and high-throughput sequencing (HTS) of symptomatic loquat plants led to first-time detection and characterization of apple stem grooving virus (ASGV), also known as citrus tatter leaf virus (CTLV), and apple chlorotic leaf spot virus (ACLSV) from Spain with description of nearly complete genomic sequences. The frequency o

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Celia, Canales, Morán Félix, Olmos Antonio, and Belén Ruiz-García Ana. "First Detection and Molecular Characterization of Apple Stem Grooving Virus, Apple Chlorotic Leaf Spot Virus, and Apple Hammerhead Viroid in Loquat in Spain." Plants 10, no. 11 (2021): 2293. https://doi.org/10.3390/plants10112293.

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Loquat (Eriobotrya japonica) is an important crop in Spain. To date, only one viral species, apple stem pitting virus (ASPV), has been detected in Spanish loquat orchards. In this study, the presence of additional viruses infecting this crop in Spain was investigated. RT-PCR and high-throughput sequencing (HTS) of symptomatic loquat plants led to first-time detection and characterization of apple stem grooving virus (ASGV), also known as citrus tatter leaf virus (CTLV), and apple chlorotic leaf spot virus (ACLSV) from Spain with description of nearly complete genomic sequences. The frequency o

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Urooj, Madiha, Uzma Arif, and Anisa Intikhab. "A BRIEF REVIEW FOR IDENTIFICATION AND DETECTION OF POTATO VIRUSES." World Journal of Biology and Biotechnology 1, no. 1 (2016): 33. http://dx.doi.org/10.33865/wjb.001.01.0003.

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Potato is ranked fourth among the food crop and fifth for human consumption. It provides more yield and calories production as compare to cereals. Fungal, viral, viroid, bacteria, nematode, phytoplasmas and abiotic factors play a pivotal role for yield reduction of potato crop. Viruses known to infect potato in Pakistan include PVA, PVM, PVS, PVX, PVY, PLRV and PMTV. Increasing incidence of PVX and PVY in main potato growing areas of Pakistan is getting an alarming position and PLRV has caused significant yield losses. Present review article demonstrate different techniques for diagnostics of

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Dissanayaka Mudiyanselage, Shachinthaka, Jie Qu, Nancy Tian, Jian Jiang, and Ying Wang. "Potato Spindle Tuber Viroid RNA-Templated Transcription: Factors and Regulation." Viruses 10, no. 9 (2018): 503. http://dx.doi.org/10.3390/v10090503.

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Viroids are circular noncoding RNAs that infect plants. Without encoding any protein, these noncoding RNAs contain the necessary genetic information for propagation in hosts. Nuclear-replicating viroids employ DNA-dependent RNA polymerase II (Pol II) for replication, a process that makes a DNA-dependent enzyme recognize RNA templates. Recently, a splicing variant of transcription factor IIIA (TFIIIA-7ZF) was identified as essential for Pol II to replicate potato spindle tuber viroid (PSTVd). The expression of TFIIIA-7ZF, particularly the splicing event, is regulated by a ribosomal protein (RPL

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Li, Yanpeng, Eda Altan, Gabriel Reyes, et al. "Virome of Bat Guano from Nine Northern California Roosts." Journal of Virology 95, no. 3 (2021): e01713-20. https://doi.org/10.5281/zenodo.13449497.

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(Uploaded by Plazi for the Bat Literature Project) Bats are hosts to a large variety of viruses, including many capable of cross-species transmissions to other mammals, including humans. We characterized the virome in guano from five common bat species in 9 Northern California roosts and from a pool of 5 individual bats. Genomes belonging to 14 viral families known to infect mammals and 17 viral families infecting insects or of unknown tropism were detected. Nearly complete or complete genomes of a novel parvovirus, astrovirus, nodavirus, circular Rep-encoding single-stranded DNA (CRESS-DNA) v

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Li, Yanpeng, Eda Altan, Gabriel Reyes, et al. "Virome of Bat Guano from Nine Northern California Roosts." Journal of Virology 95, no. 3 (2021): e01713-20. https://doi.org/10.5281/zenodo.13449497.

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(Uploaded by Plazi for the Bat Literature Project) Bats are hosts to a large variety of viruses, including many capable of cross-species transmissions to other mammals, including humans. We characterized the virome in guano from five common bat species in 9 Northern California roosts and from a pool of 5 individual bats. Genomes belonging to 14 viral families known to infect mammals and 17 viral families infecting insects or of unknown tropism were detected. Nearly complete or complete genomes of a novel parvovirus, astrovirus, nodavirus, circular Rep-encoding single-stranded DNA (CRESS-DNA) v

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Li, Yanpeng, Eda Altan, Gabriel Reyes, et al. "Virome of Bat Guano from Nine Northern California Roosts." Journal of Virology 95, no. 3 (2021): e01713-20. https://doi.org/10.5281/zenodo.13449497.

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(Uploaded by Plazi for the Bat Literature Project) Bats are hosts to a large variety of viruses, including many capable of cross-species transmissions to other mammals, including humans. We characterized the virome in guano from five common bat species in 9 Northern California roosts and from a pool of 5 individual bats. Genomes belonging to 14 viral families known to infect mammals and 17 viral families infecting insects or of unknown tropism were detected. Nearly complete or complete genomes of a novel parvovirus, astrovirus, nodavirus, circular Rep-encoding single-stranded DNA (CRESS-DNA) v

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Li, Yanpeng, Eda Altan, Gabriel Reyes, et al. "Virome of Bat Guano from Nine Northern California Roosts." Journal of Virology 95, no. 3 (2021): e01713-20. https://doi.org/10.5281/zenodo.13449497.

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(Uploaded by Plazi for the Bat Literature Project) Bats are hosts to a large variety of viruses, including many capable of cross-species transmissions to other mammals, including humans. We characterized the virome in guano from five common bat species in 9 Northern California roosts and from a pool of 5 individual bats. Genomes belonging to 14 viral families known to infect mammals and 17 viral families infecting insects or of unknown tropism were detected. Nearly complete or complete genomes of a novel parvovirus, astrovirus, nodavirus, circular Rep-encoding single-stranded DNA (CRESS-DNA) v

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Li, Yanpeng, Eda Altan, Gabriel Reyes, et al. "Virome of Bat Guano from Nine Northern California Roosts." Journal of Virology 95, no. 3 (2021): e01713-20. https://doi.org/10.5281/zenodo.13449497.

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(Uploaded by Plazi for the Bat Literature Project) Bats are hosts to a large variety of viruses, including many capable of cross-species transmissions to other mammals, including humans. We characterized the virome in guano from five common bat species in 9 Northern California roosts and from a pool of 5 individual bats. Genomes belonging to 14 viral families known to infect mammals and 17 viral families infecting insects or of unknown tropism were detected. Nearly complete or complete genomes of a novel parvovirus, astrovirus, nodavirus, circular Rep-encoding single-stranded DNA (CRESS-DNA) v

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Gandía, Mónica, Lucía Bernad, Luis Rubio, and Núria Duran-Vila. "Host Effect on the Molecular and Biological Properties of a Citrus exocortis viroid Isolate from Vicia faba." Phytopathology® 97, no. 8 (2007): 1004–10. http://dx.doi.org/10.1094/phyto-97-8-1004.

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Citrus exocortis viroid (CEVd) is the casual agent of citrus exocortis disease, and has been found in naturally infected citrus and noncitrus hosts. Field isolates of CEVd may infect susceptible hosts as a complex of genetically related sequence variants (haplotypes). In the present work, a CEVd isolate recovered from a symptomless broad bean plant was characterized as a heterogeneous population with a nucleotide diversity of 0.026, which did not contain a predominant haplotype. When nucleic acid extracts of this infected broad bean were used to inoculate tomato, the plants displayed symptoms

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Matoušek, Jaroslav, Kevin P. Wüsthoff, and Gerhard Steger. "“Pathomorphogenic” Changes Caused by Citrus Bark Cracking Viroid and Transcription Factor TFIIIA-7ZF Variants Support Viroid Propagation in Tobacco." International Journal of Molecular Sciences 24, no. 9 (2023): 7790. http://dx.doi.org/10.3390/ijms24097790.

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Viroids are small, non-coding, pathogenic RNAs with the ability to disturb plant developmental processes. This dysregulation redirects the morphogenesis of plant organs, significantly impairing their functionality. Citrus bark cracking viroid (CBCVd) causes detrimental developmental distortions in infected hops (Humulus lupulus) and causes significant economic losses. CBCVd can infect cells and tissues of the model plant tobacco (Nicotiana tabacum), provided it is delivered via transgenesis. The levels of CBCVd in tobacco were enhanced in plant hybrids expressing CBCVd cDNAs and either the tob

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Hall, Roy A., and Jody Hobson-Peters. "Newly discovered mosquito viruses help control vector-borne viral diseases." Microbiology Australia 39, no. 2 (2018): 72. http://dx.doi.org/10.1071/ma18020.

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Many well-known mosquito-borne viruses such as dengue, Zika, West Nile, chikungunya and Ross River viruses can be transmitted to vertebrates and are associated with disease in man or animals. However, the use of deep sequencing and other open-minded approaches to detect viruses in mosquitoes have uncovered many new RNA viruses, most of which do not infect vertebrates. The discovery of these ‘insect-specific' viruses (ISVs) has redefined the mosquito virome and prompted the lines of viral taxonomic classification to be redrawn1,2. Despite their benign phenotype, ISVs have become a hot topic of

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Gobatto, Danielle, Lucas Araújo de Oliveira, Daniel Andrade de Siqueira Franco, Nubia Velásquez, José-Antonio Daròs, and Marcelo Eiras. "Surveys in the Chrysanthemum Production Areas of Brazil and Colombia Reveal That Weeds Are Potential Reservoirs of Chrysanthemum Stunt Viroid." Viruses 11, no. 4 (2019): 355. http://dx.doi.org/10.3390/v11040355.

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The stunting disease, incited by chrysanthemum stunt viroid (CSVd), has become a serious problem in chrysanthemum production areas worldwide. Here we identified 46 weed species from chrysanthemum fields in two producing regions of the State of São Paulo, Brazil. The mechanical inoculation of these weeds with a Brazilian CSVd isolate revealed that this viroid was able to infect 17 of these species, in addition to chrysanthemum, tomato and potato. Plants of Oxalis latifolia and chrysanthemum naturally infected with CSVd were found in chrysanthemum fields in Colombia, which is the first CSVd repo

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Mehle, N., I. Gutiérrez-Aguirre, N. Prezelj, D. Delić, U. Vidic, and M. Ravnikar. "Survival and Transmission of Potato Virus Y, Pepino Mosaic Virus, and Potato Spindle Tuber Viroid in Water." Applied and Environmental Microbiology 80, no. 4 (2013): 1455–62. http://dx.doi.org/10.1128/aem.03349-13.

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ABSTRACTHydroponic systems and intensive irrigation are used widely in horticulture and thus have the potential for rapid spread of water-transmissible plant pathogens. Numerous plant viruses have been reported to occur in aqueous environments, although information on their survival and transmission is minimal, due mainly to the lack of effective detection methods and to the complexity of the required transmission experiments. We have assessed the role of water as a source of plant infection using three mechanically transmissible plant pathogens that constitute a serious threat to tomato and p

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Gautier, R., A. Jiang, V. Rousseau, R. Dornburg, and T. Jaffredo. "Avian Reticuloendotheliosis Virus Strain A and Spleen Necrosis Virus Do Not Infect Human Cells." Journal of Virology 74, no. 1 (2000): 518–22. http://dx.doi.org/10.1128/jvi.74.1.518-522.2000.

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ABSTRACT Spleen necrosis virus (SNV) andReticuloendotheliosis virus strain A (REV-A) belong to the family of reticuloendotheliosis viruses and are 90% sequence related. SNV-derived retroviral vectors produced by the REV-A-based D17.2G packaging cell line were shown to infect human cells (H.-M. Koo, A. M. C. Brown, Y. Ron, and J. P. Dougherty, J. Virol. 65:4769–4776, 1991), while similar vectors produced by another SNV-based packaging cell line, DSH134G, are not infectious in human cells (reviewed by R. Dornburg, Gene Ther. 2:301–310, 1995). Here we describe a careful reevaluation of the infect

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Karakaš, Dubravka, and Valerija Begić. "Primjena igre uloga u nastavnoj temi „Najjednostavniji oblici života“." Educatio biologiae, no. 4 (December 28, 2018): 99–109. http://dx.doi.org/10.32633/eb.4.8.

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Virusi kao najjednostavniji oblici života na Zemlji su tema koja je učenicima vrlo zanimljiva, ali i vrlo apstraktna. S obzirom da su bolesti koje izazivaju virusne čestice dio teme uz koju učenici posjeduju određeno iskustvo, moguće je pripremiti simulaciju širenja viroze uz igru uloga i simulaciju tijeka procesa uz elemente izrezane od papira. Kako je poželjno osmisliti simulaciju u kojoj su glavni akteri osobe bliske učenicima, u ovom primjeru za nastavu je zamišljena rođendanska zabava na koju su pozvani svi učenici iz razreda. Učenici su kao aktivni sudionici pozitivno reagirali na ovakav

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