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Vazquez C, Fonseca V, de la Fuente AG, Gonzalez S, Fleitas F, Lima M, Guimarães NR, Iani FCM, Rojas A, Alfonso T, Cantero C, Barrios J, Villalba S, Ortega MJ, Torales J, Gamarra ML, Aquino C, Franco L, Rico JM, Alcantara LCJ, Giovanetti M. Exploring the Genomic Dynamics of the Monkeypox Epidemic in Paraguay. Viruses 2024; 16:83. [PMID: 38257783 PMCID: PMC10821367 DOI: 10.3390/v16010083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/29/2023] [Accepted: 12/01/2023] [Indexed: 01/24/2024] Open
Abstract
In recent months, Paraguay has been grappled with a notable monkeypox outbreak, straining its healthcare infrastructure. The sudden spike in cases underlines the imperative need for a comprehensive understanding of the virus's dynamics, enabling the formulation of robust containment measures. To address this challenge, our team joined forces with the Central Public Health Laboratory of Asunción and the Pan-American Health Organization. Through this collaboration, we employed portable whole-genome sequencing combined with phylodynamic analysis to examine the MPXV strains circulating in Paraguay. Our genomic monitoring approach has produced the first 30 whole-genome sequences from Paraguay, all of which were identified under lineage IIb. Interestingly, our data suggest that the origin of the monkeypox virus in Paraguay at the beginning of 2022 can be traced back to Brazil. This introduction subsequently catalyzed further community spread that was further exacerbated by several independent introduction events as time progressed. These findings not only shed light on the transmission patterns of the virus but also highlight the pivotal role such insights play in sculpting effective response strategies and driving impactful public health measures. Furthermore, our findings strongly advocate intensified surveillance at international borders, ensuring swift detection and proactive countermeasures against potential outbreaks in the future.
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Affiliation(s)
- Cynthia Vazquez
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Vagner Fonseca
- Coordenação de Vigilância, Preparação e Resposta à Emergências e Desastres (PHE), Organização Pan-Americana da Saúde/Organização Mundial da Saúde (OPAS/OMS), Brasilia 70312-970, Brazil
- Department of Exact and Earth Sciences, University of the State of Bahia, Salvador 41150-000, Brazil
| | - Andrea Gomez de la Fuente
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Sandra Gonzalez
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Fatima Fleitas
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Mauricio Lima
- Laboratorio Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte 30510-010, Brazil; (M.L.); (N.R.G.); (F.C.M.I.)
| | - Natália R. Guimarães
- Laboratorio Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte 30510-010, Brazil; (M.L.); (N.R.G.); (F.C.M.I.)
| | - Felipe C. M. Iani
- Laboratorio Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte 30510-010, Brazil; (M.L.); (N.R.G.); (F.C.M.I.)
| | - Analia Rojas
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Tania Alfonso
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Cesar Cantero
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Julio Barrios
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Shirley Villalba
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Maria Jose Ortega
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Juan Torales
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Maria Liz Gamarra
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Carolina Aquino
- Laboratorio Central de Salud Pública, Asunción 001535, Paraguay; (C.V.); (A.G.d.l.F.); (S.G.); (F.F.); (A.R.); (T.A.); (C.C.); (J.B.); (S.V.); (M.J.O.); (J.T.); (M.L.G.); (C.A.)
| | - Leticia Franco
- Infectious Hazards Management, Health Emergencies Department (PHE), Pan American Health Organization/World Health Organization (PAHO/WHO), Washington, DC 20037, USA; (L.F.); (J.M.R.)
| | - Jairo Mendez Rico
- Infectious Hazards Management, Health Emergencies Department (PHE), Pan American Health Organization/World Health Organization (PAHO/WHO), Washington, DC 20037, USA; (L.F.); (J.M.R.)
| | - Luiz Carlos Junior Alcantara
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte 30190-002, Brazil
- Climate Amplified Diseases and Epidemics (CLIMADE), University of Washington, Seattle, WA 98195, USA
| | - Marta Giovanetti
- Climate Amplified Diseases and Epidemics (CLIMADE), University of Washington, Seattle, WA 98195, USA
- Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia 40296-710, Brazil
- Sciences and Technologies for Sustainable Development and One Health, University of Campus Bio-Medico, 00128 Rome, Italy
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202
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Balboa RF, Bertola LD, Brüniche-Olsen A, Rasmussen MS, Liu X, Besnard G, Salmona J, Santander CG, He S, Zinner D, Pedrono M, Muwanika V, Masembe C, Schubert M, Kuja J, Quinn L, Garcia-Erill G, Stæger FF, Rakotoarivony R, Henrique M, Lin L, Wang X, Heaton MP, Smith TPL, Hanghøj K, Sinding MHS, Atickem A, Chikhi L, Roos C, Gaubert P, Siegismund HR, Moltke I, Albrechtsen A, Heller R. African bushpigs exhibit porous species boundaries and appeared in Madagascar concurrently with human arrival. Nat Commun 2024; 15:172. [PMID: 38172616 PMCID: PMC10764920 DOI: 10.1038/s41467-023-44105-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
Several African mammals exhibit a phylogeographic pattern where closely related taxa are split between West/Central and East/Southern Africa, but their evolutionary relationships and histories remain controversial. Bushpigs (Potamochoerus larvatus) and red river hogs (P. porcus) are recognised as separate species due to morphological distinctions, a perceived lack of interbreeding at contact, and putatively old divergence times, but historically, they were considered conspecific. Moreover, the presence of Malagasy bushpigs as the sole large terrestrial mammal shared with the African mainland raises intriguing questions about its origin and arrival in Madagascar. Analyses of 67 whole genomes revealed a genetic continuum between the two species, with putative signatures of historical gene flow, variable FST values, and a recent divergence time (<500,000 years). Thus, our study challenges key arguments for splitting Potamochoerus into two species and suggests their speciation might be incomplete. Our findings also indicate that Malagasy bushpigs diverged from southern African populations and underwent a limited bottleneck 1000-5000 years ago, concurrent with human arrival in Madagascar. These results shed light on the evolutionary history of an iconic and widespread African mammal and provide insight into the longstanding biogeographic puzzle surrounding the bushpig's presence in Madagascar.
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Affiliation(s)
- Renzo F Balboa
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Laura D Bertola
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Xiaodong Liu
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Guillaume Besnard
- Laboratoire Evolution et Diversité Biologique (EDB), UMR 5174, CNRS, IRD, Université Toulouse Paul Sabatier, 31062, Toulouse, France
| | - Jordi Salmona
- Laboratoire Evolution et Diversité Biologique (EDB), UMR 5174, CNRS, IRD, Université Toulouse Paul Sabatier, 31062, Toulouse, France
| | - Cindy G Santander
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Shixu He
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Dietmar Zinner
- Cognitive Ecology Laboratory, German Primate Center, Leibniz Institute for Primate Research, 37077, Göttingen, Germany
- Department of Primate Cognition, Georg-August-Universität Göttingen, 37077, Göttingen, Germany
- Leibniz Science Campus Primate Cognition, 37077, Göttingen, Germany
| | - Miguel Pedrono
- UMR ASTRE, CIRAD, Campus International de Baillarguet, Montpellier, France
| | - Vincent Muwanika
- College of Agricultural and Environmental Sciences, Makerere University, Kampala, Uganda
| | - Charles Masembe
- College of Natural Sciences, Makerere University, Kampala, Uganda
| | - Mikkel Schubert
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Josiah Kuja
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Liam Quinn
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | | | | | | | | | - Long Lin
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Xi Wang
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Kristian Hanghøj
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | | | - Anagaw Atickem
- Department of Zoological Sciences, Addis Ababa University, PO Box 1176, Addis Ababa, Ethiopia
| | - Lounès Chikhi
- Laboratoire Evolution et Diversité Biologique (EDB), UMR 5174, CNRS, IRD, Université Toulouse Paul Sabatier, 31062, Toulouse, France
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Christian Roos
- Gene Bank of Primates and Primate Genetics Laboratory, German Primate Center, Leibniz Institute for Primate Research, 37077, Göttingen, Germany
| | - Philippe Gaubert
- Laboratoire Evolution et Diversité Biologique (EDB), UMR 5174, CNRS, IRD, Université Toulouse Paul Sabatier, 31062, Toulouse, France
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Porto, Portugal
| | - Hans R Siegismund
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Ida Moltke
- Department of Biology, University of Copenhagen, Copenhagen, Denmark.
| | | | - Rasmus Heller
- Department of Biology, University of Copenhagen, Copenhagen, Denmark.
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203
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Shen L, Zhang Z, Wang R, Wu S, Wang Y, Fu S. Metatranscriptomic data mining together with microfluidic card uncovered the potential pathogens and seasonal RNA viral ecology in a drinking water source. J Appl Microbiol 2024; 135:lxad310. [PMID: 38130237 DOI: 10.1093/jambio/lxad310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/26/2023] [Accepted: 12/20/2023] [Indexed: 12/23/2023]
Abstract
AIMS Despite metatranscriptomics becoming an emerging tool for pathogen surveillance, very little is known about the feasibility of this approach for understanding the fate of human-derived pathogens in drinking water sources. METHODS AND RESULTS We conducted multiplexed microfluidic cards and metatranscriptomic sequencing of the drinking water source in a border city of North Korea in four seasons. Microfluidic card detected norovirus, hepatitis B virus (HBV), enterovirus, and Vibrio cholerae in the water. Phylogenetic analyses showed that environmental-derived sequences from norovirus GII.17, genotype C of HBV, and coxsackievirus A6 (CA6) were genetically related to the local clinical isolates. Meanwhile, metatranscriptomic assembly suggested that several bacterial pathogens, including Acinetobacter johnsonii and V. cholerae might be prevalent in the studied region. Metatranscriptomic analysis recovered 349 species-level groups with substantial viral diversity without detection of norovirus, HBV, and CA6. Seasonally distinct virus communities were also found. Specifically, 126, 73, 126, and 457 types of viruses were identified in spring, summer, autumn, and winter, respectively. The viromes were dominated by the Pisuviricota phylum, including members from Marnaviridae, Dicistroviridae, Luteoviridae, Potyviridae, Picornaviridae, Astroviridae, and Picobirnaviridae families. Further phylogenetic analyses of RNA (Ribonucleic Acid)-dependent RNA polymerase (RdRp) sequences showed a diverse set of picorna-like viruses associated with shellfish, of which several novel picorna-like viruses were also identified. Additionally, potential animal pathogens, including infectious bronchitis virus, Bat dicibavirus, Bat nodavirus, Bat picornavirus 2, infectious bursal disease virus, and Macrobrachium rosenbergii nodavirus were also identified. CONCLUSIONS Our data illustrate the divergence between microfluidic cards and metatranscriptomics, highlighting that the combination of both methods facilitates the source tracking of human viruses in challenging settings without sufficient clinical surveillance.
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Affiliation(s)
- Lixin Shen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Department of Microbiology, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Ziqiang Zhang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Department of Microbiology, College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Rui Wang
- College of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China
| | - Shuang Wu
- College of Food Technology and Sciences, Shanghai Ocean University, Shanghai 200093, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Yongjie Wang
- College of Food Technology and Sciences, Shanghai Ocean University, Shanghai 200093, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 200093, China
| | - Songzhe Fu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Department of Microbiology, College of Life Sciences, Northwest University, Xi'an 710069, China
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204
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Patané JSL, Martins J, Setubal JC. A Guide to Phylogenomic Inference. Methods Mol Biol 2024; 2802:267-345. [PMID: 38819564 DOI: 10.1007/978-1-0716-3838-5_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Phylogenomics aims at reconstructing the evolutionary histories of organisms taking into account whole genomes or large fractions of genomes. Phylogenomics has significant applications in fields such as evolutionary biology, systematics, comparative genomics, and conservation genetics, providing valuable insights into the origins and relationships of species and contributing to our understanding of biological diversity and evolution. This chapter surveys phylogenetic concepts and methods aimed at both gene tree and species tree reconstruction while also addressing common pitfalls, providing references to relevant computer programs. A practical phylogenomic analysis example including bacterial genomes is presented at the end of the chapter.
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Affiliation(s)
- José S L Patané
- Laboratório de Genética e Cardiologia Molecular, Instituto do Coração/Heart Institute Hospital das Clínicas - Faculdade de Medicina da Universidade de São Paulo São Paulo, São Paulo, SP, Brazil
| | - Joaquim Martins
- Integrative Omics group, Biorenewables National Laboratory, Brazilian Center for Research in Energy and Materials, Campinas, SP, Brazil
| | - João Carlos Setubal
- Departmento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, SP, Brazil.
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205
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Bell E, Chen J, Richardson WDL, Fustic M, Hubert CRJ. Denitrification genotypes of endospore-forming Bacillota. ISME COMMUNICATIONS 2024; 4:ycae107. [PMID: 39263550 PMCID: PMC11388526 DOI: 10.1093/ismeco/ycae107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 08/14/2024] [Accepted: 08/19/2024] [Indexed: 09/13/2024]
Abstract
Denitrification is a key metabolic process in the global nitrogen cycle and is performed by taxonomically diverse microorganisms. Despite the widespread importance of this metabolism, challenges remain in identifying denitrifying populations and predicting their metabolic end-products based on their genotype. Here, genome-resolved metagenomics was used to explore the denitrification genotype of Bacillota enriched in nitrate-amended high temperature incubations with confirmed N2O and N2 production. A set of 12 hidden Markov models (HMMs) was created to target the diversity of denitrification genes in members of the phylum Bacillota. Genomic potential for complete denitrification was found in five metagenome-assembled genomes from nitrate-amended enrichments, including two novel members of the Brevibacillaceae family. Genomes of complete denitrifiers encode N2O reductase gene clusters with clade II-type nosZ and often include multiple variants of the nitric oxide reductase gene. The HMM set applied to all genomes of Bacillota from the Genome Taxonomy Database identified 17 genera inferred to contain complete denitrifiers based on their gene content. Among complete denitrifiers it was common for three distinct nitric oxide reductases to be present (qNOR, bNOR, and sNOR) that may reflect the metabolic adaptability of Bacillota in environments with variable redox conditions.
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Affiliation(s)
- Emma Bell
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Jianwei Chen
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - William D L Richardson
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Milovan Fustic
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
- Department of Geology, Nazarbayev University, 53 Kabanbay Batyr Ave, Astana 010000, Kazakhstan
| | - Casey R J Hubert
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
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206
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Biswas PR, Chattopadhyay P, Nandi S, Ghosh A, Acharya K, Dutta AK. Investigation of Antioxidant Activity, Myco-Chemical Content, and GC-MS Based Molecular Docking Analysis of Bioactive Chemicals from Amanita konajensis (Agaricomycetes), a Tribal Myco-Food from India. Int J Med Mushrooms 2024; 26:27-44. [PMID: 38305260 DOI: 10.1615/intjmedmushrooms.2023051310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
In humans, a wide range of health disorders have been induced due to an imbalanced metabolism and an excess generation of reactive oxygen species (ROS). Different biological properties found in mushrooms seem to be the reason for their customary use as a favourite delicacy. Therefore, exploration of wild edible mushrooms as a source of various biological compounds is gaining much importance today. Amanita konajensis, one of the underutilized macrofungi popularly consumed in Eastern India, demands a systematic study of its medicinal values. The study aims to explore the myco-chemical contents of A. konajensis ethanolic extract (EtAK1) and screen their antioxidant potency through various in vitro assays. GC-MS analysis identified the chemical components of EtAK1. Further, structure-based virtual screening of the identified compounds was analysed for drug-like properties and molecular docking with the human p38 MAPK protein, a potent targeting pathway for human lung cancer. The morpho-molecular features proved the authenticity of the collected mushroom. The screening assays showed that EtAK1 was abundant in flavonoids, followed by phenolics, β-carotene, and lycopene, and had strong antioxidant activity with EC50 values of 640-710 μg/mL. The GC-MS analyses of EtAK1 identified the occurrence of 19 bioactive compounds in the mushroom. In silico analysis revealed that anthraergostatetraenol p-chlorobenzoate, one of the compounds identified, displayed high binding affinity (ΔG = -10.6 kcal/mol) with human p38 MAPK. The outcome of this study will pave the way for the invention of myco-medicine using A. konajensis, which may lead to a novel drug for human lung cancer.
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Affiliation(s)
- Pinky Rani Biswas
- Molecular & Applied Mycology Laboratory, Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Guwahati, Assam 781014, India
| | - Pinaki Chattopadhyay
- Molecular & Applied Mycology Laboratory, Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Guwahati, Assam 781014, India
| | - Sudeshna Nandi
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, Kolkata 700019, West Bengal, India
| | - Arabinda Ghosh
- Department of Computational Biology and Biotechnology, Mahapurusha Srimanta Sankaradeva Viswavidyalaya, Guwahati 781032, Assam, India
| | - Krishnendu Acharya
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, Kolkata 700019, West Bengal, India
| | - Arun Kumar Dutta
- Molecular & Applied Mycology Laboratory, Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Guwahati, Assam 781014, India
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207
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Farnoushi Y, Heller D, Lublin A. Genetic characterization of newly emerging avian reovirus variants in chickens with viral arthritis/tenosynovitis in Israel. Virology 2024; 589:109908. [PMID: 37952464 DOI: 10.1016/j.virol.2023.109908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 10/03/2023] [Accepted: 10/09/2023] [Indexed: 11/14/2023]
Abstract
In recent years, new avian reovirus (ARV) variants caused a variety of symptoms in chickens worldwide, the most important of which was Viral arthritis/tenosynovitis which caused substantial economic losses and has become a concern to the worldwide chicken industry. In this study, we characterized emerging ARV variants in Israel and analyzed their genetic relationship with reference strains. One hundred thirty-four ARV variants were isolated from tendons and synovial fluids of commercial broiler chickens with signs of arthritis/tenosynovitis. Phylogenetic analysis of the partial segment of the sigma C (σC) gene confirmed that these field isolates from Israel could be clustered into all six known clusters. The majority of ARV isolates in Israel belonged to the genotypic cluster 5 (GC5). The strains in this study had a low sequence identity when compared to the commercial vaccine (strain S1133). The findings of this study demonstrated the genetic diversity of ARV strains in Israel from 2015 to 2022. It is reasonable to conclude from the preliminary results of this investigation that Israel has not been subject to selection pressure or the emergence of new ARV variants since the introduction of the live vaccine (ISR-7585). Due to the ongoing emergence of ARV variants, a robust epidemiological monitoring program supported by molecular biology techniques is required to track ARV strains in Israeli poultry flocks.
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Affiliation(s)
- Yigal Farnoushi
- Department of Avian Diseases, Kimron Veterinary Institute, Beit Dagan, 5025001, Israel; Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, 7610001, Israel.
| | - Dan Heller
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, 7610001, Israel
| | - Avishai Lublin
- Department of Avian Diseases, Kimron Veterinary Institute, Beit Dagan, 5025001, Israel
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208
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Sanchez JA, Rice JE, Wangh LJ. Recent Advances in Closed-Tube Barcoding for FastFish-ID. Methods Mol Biol 2024; 2744:267-278. [PMID: 38683325 DOI: 10.1007/978-1-0716-3581-0_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
FastFish-ID for rapid and accurate identification of fish species was conceived at Brandeis University based on pioneering work on Closed-Tube Barcoding (Rice et al., Mitochondrial DNA Part A 27(2):1358-1363, 2016; Sirianni et al., Genome 59:1049-1061, 2016). FastFish-ID was subsequently validated and commercialized at Thermagenix, Inc. using a portable device and high-precision PCR (Naaum et al., Food Res Int 141:110035, 2021). The motivation for these efforts was the pressing need for a technology that could be widely used throughout the seafood supply chain to combat IUU Fishing (Helyar et al., PLOS ONE 9, 2014) and overfishing (FAO, State of the World Fisheries and Aquaculture 2018. http://www.fao.org/documents/card/en/c/I9540EN/ , 2018), along with seafood fraud and mislabeling (Watson et al., Fish Fish 17:585-595, 2015). These destructive practices are wasting fish stocks, frustrating attempts to achieve seafood sustainability, endangering oceanic ecosystems, and causing consumers billions of dollars each year (Porterfield et al., Oceana: February, 2022). During the past three Covid19 pandemic years, EcologeniX, LLC has taken over further development and optimization of FastFish-ID. The present chapter provides an overview of the improvements introduced throughout the FastFish-ID process.
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Affiliation(s)
| | - John E Rice
- Consultant to Ecologenix, LLC, Auburndale, MA, USA
| | - Lawrence J Wangh
- Department of Biology (Emeritus), Brandeis University, Waltham, MA, USA.
- Founder of Ecologenix, LLC, Auburndale, MA, USA.
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209
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Yıldırım Y, Doğan F, Bozkurt G, Küçük A, Acar G, Bilge-Dağalp S. Identification and molecular characterization of two papillomavirus genotypes in teat papillomatosis cases in hair goats, in Türkiye. Comp Immunol Microbiol Infect Dis 2024; 104:102111. [PMID: 38101193 DOI: 10.1016/j.cimid.2023.102111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 12/02/2023] [Indexed: 12/17/2023]
Abstract
Papillomaviruses can cause benign or malignant proliferations on the host's skin and mucous membranes. Recent genetic studies have identified many new papillomavirus types. In this study, molecular detection and typing was performed on papilloma samples from eight hair goats with teat papillomatosis. The papilloma samples were tested with degenerate (FAP59/FAP64,MY09/MY11) and type-specific primers. One sample was positive with degenerate (MY09/MY11) and two samples were positive with Caprahircus papillomavirus-1 type specific primers. The MY09/MY11 primer sequence indicated identity to the closest Ovine papillomavirus type-2 (77.9%). The ChPV-1 primer sequence was similar to the closest ChPV-1 (99.4%). Investigating papillomavirus types in different animal species is important for determining the evolution, prevalence, host range, and interspecies transmission potential of papillomaviruses, and to indicate suitable therapeutics for later development.
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Affiliation(s)
- Yakup Yıldırım
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Virology, Burdur, Türkiye.
| | - Fırat Doğan
- Hatay Mustafa Kemal University, Faculty of Veterinary Medicine, Department of Virology, Hatay, Türkiye.
| | - Gökhan Bozkurt
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Department of Obstetrics & Gynecology, Burdur, Türkiye.
| | - Ali Küçük
- Burdur Mehmet Akif Ersoy University, Faculty of Veterinary Medicine, Veterinary Training Hospital, Burdur, Türkiye.
| | - Gülizar Acar
- Atatürk University, Faculty of Veterinary Medicine, Department of Virology, Erzurum, Türkiye.
| | - Seval Bilge-Dağalp
- Ankara University, Faculty of Veterinary Medicine, Department of Virology, Ankara, Türkiye.
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210
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Lloyd SJ, Leontyev DV, Moreno G, Villalba ÁL, Schnittler M. Tasmaniomyxa umbilicata, a new genus and new species of myxomycete from Tasmania. Mycologia 2024; 116:170-183. [PMID: 38032605 DOI: 10.1080/00275514.2023.2274252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023]
Abstract
A new genus and species of myxomycete, Tasmaniomyxa umbilicata, is described based on numerous observations in Tasmania and additional records from southeastern Australia and New Zealand. The new taxon is characterized by an unusual combination of characters from two families: Lamprodermataceae and Didymiaceae. With Lamprodermataceae the species shares limeless sporocarps, a shining membranous peridium, an epihypothallic stalk, and a cylindrical columella. Like Didymiaceae, it has a soft, flaccid, sparsely branched capillitium, with rough tubular threads that contain fusiform nodes and are firmly connected to the peridium. Other characters of T. umbilicata that also occur in many Didymiaceae are the peridium dehiscing into petaloid lobes, the yellow, motile plasmodium, and the spores ornamented with larger, grouped and smaller, scattered warts. The transitional position of the new taxon is reflected by a three-gene phylogeny, which places T. umbilicata at the base of the branch of all lime-containing Physarales, thus justifying its description as a monotypic genus.
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Affiliation(s)
- Sarah J Lloyd
- 206 Denmans Road, Birralee, Tasmania 7303, Australia
| | - Dmytro V Leontyev
- Department of Botany, H.S. Skovoroda Kharkiv National Pedagogical University, Kharkiv 61168, Ukraine
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald 17487, Germany
| | - Gabriel Moreno
- Departamento de Biología Vegetal (Botánica), Universidad de Alcalá, Alcalá de Henares 28805, Spain
| | - Ángela López Villalba
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald 17487, Germany
| | - Martin Schnittler
- Institute of Botany and Landscape Ecology, University of Greifswald, Greifswald 17487, Germany
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211
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Tran Van Canh L, Aubourg S. Bioinformatics Methods for Prediction of Gene Families Encoding Extracellular Peptides. Methods Mol Biol 2024; 2731:3-21. [PMID: 38019422 DOI: 10.1007/978-1-0716-3511-7_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Genes encoding small secreted peptides are widely distributed among plant genomes but their detection and annotation remains challenging. The bioinformatics protocol described here aims to identify as exhaustively as possible secreted peptide precursors belonging to a family of interest. First, homology searches are performed at the protein and genome levels. Next, multiple sequence alignments and predictions of a secretion signal are used to define a set of homologous proteins sharing features of secreted peptide precursors. These protein sequences are then used as input of motif detection and profile-based tools to build representative matrices and profiles that are used iteratively as guides to scan again the proteome and genome until family completion.
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Affiliation(s)
- Loup Tran Van Canh
- Institut Agro, INRAE, IRHS, SFR QUASAV, Université d'Angers, Angers, France
| | - Sébastien Aubourg
- Institut Agro, INRAE, IRHS, SFR QUASAV, Université d'Angers, Angers, France
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212
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Swenie RA, Looney BP, Ke YH, Alejandro Rojas J, Cubeta MA, Langer GJ, Vilgalys R, Matheny PB. PacBio high-throughput multi-locus sequencing reveals high genetic diversity in mushroom-forming fungi. Mol Ecol Resour 2024; 24:e13885. [PMID: 37902171 DOI: 10.1111/1755-0998.13885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 10/11/2023] [Accepted: 10/16/2023] [Indexed: 10/31/2023]
Abstract
Multi-locus sequence data are widely used in fungal systematic and taxonomic studies to delimit species and infer evolutionary relationships. We developed and assessed the efficacy of a multi-locus pooled sequencing method using PacBio long-read high-throughput sequencing. Samples included fresh and dried voucher specimens, cultures and archival DNA extracts of Agaricomycetes with an emphasis on the order Cantharellales. Of the 283 specimens sequenced, 93.6% successfully amplified at one or more loci with a mean of 3.3 loci amplified. Our method recovered multiple sequence variants representing alleles of rDNA loci and single copy protein-coding genes rpb1, rpb2 and tef1. Within-sample genetic variation differed by locus and taxonomic group, with the greatest genetic divergence observed among sequence variants of rpb2 and tef1 from corticioid Cantharellales. Our method is a cost-effective approach for generating accurate multi-locus sequence data coupled with recovery of alleles from polymorphic samples and multi-organism specimens. These results have important implications for understanding intra-individual genomic variation among genetic loci commonly used in species delimitation of fungi.
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Affiliation(s)
- Rachel A Swenie
- Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, USA
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Brian P Looney
- Department of Biology, Duke University, Durham, North Carolina, USA
| | - Yi-Hong Ke
- Department of Biology, Duke University, Durham, North Carolina, USA
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, USA
| | - J Alejandro Rojas
- Department of Biology, Duke University, Durham, North Carolina, USA
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan, USA
| | - Marc A Cubeta
- Department of Entomology and Plant Pathology, Center for Integrated Fungal Research, North Carolina State University, Raleigh, North Carolina, USA
| | - Gitta J Langer
- Department of Forest Protection, Northwest German Forest Research Institute, Göttingen, Germany
| | - Rytas Vilgalys
- Department of Biology, Duke University, Durham, North Carolina, USA
| | - P Brandon Matheny
- Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, USA
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213
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Thureborn O, Wikström N, Razafimandimbison SG, Rydin C. Phylogenomics and topological conflicts in the tribe Anthospermeae (Rubiaceae). Ecol Evol 2024; 14:e10868. [PMID: 38274863 PMCID: PMC10809029 DOI: 10.1002/ece3.10868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 11/15/2023] [Accepted: 12/05/2023] [Indexed: 01/27/2024] Open
Abstract
Genome skimming (shallow whole-genome sequencing) offers time- and cost-efficient production of large amounts of DNA data that can be used to address unsolved evolutionary questions. Here we address phylogenetic relationships and topological incongruence in the tribe Anthospermeae (Rubiaceae), using phylogenomic data from the mitochondrion, the nuclear ribosomal cistron, and the plastome. All three genomic compartments resolve relationships in the Anthospermeae; the tribe is monophyletic and consists of three major subclades. Carpacoce Sond. is sister to the remaining clade, which comprises an African subclade and a Pacific subclade. Most results, from all three genomic compartments, are statistically well supported; however, not fully consistent. Intergenomic topological incongruence is most notable in the Pacific subclade but present also in the African subclade. Hybridization and introgression followed by organelle capture may explain these conflicts but other processes, such as incomplete lineage sorting (ILS), can yield similar patterns and cannot be ruled out based on the results. Whereas the null hypothesis of congruence among all sequenced loci in the individual genomes could not be rejected for nuclear and mitochondrial data, it was rejected for plastid data. Phylogenetic analyses of three subsets of plastid loci identified using the hierarchical likelihood ratio test demonstrated statistically supported intragenomic topological incongruence. Given that plastid genes are thought to be fully linked, this result is surprising and may suggest modeling or sampling error. However, biological processes such as biparental inheritance and inter-plastome recombination have been reported and may be responsible for the observed intragenomic incongruence. Mitochondrial insertions into the plastome are rarely documented in angiosperms. Our results indicate that a mitochondrial insertion event in the plastid trnS GGA - rps4 IGS region occurred in the common ancestor of the Pacific clade of Anthospermeae. Exclusion/inclusion of this locus in phylogenetic analyses had a strong impact on topological results in the Pacific clade.
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Affiliation(s)
- Olle Thureborn
- Department of Ecology, Environment and Plant SciencesStockholm UniversityStockholmSweden
| | - Niklas Wikström
- Department of Ecology, Environment and Plant SciencesStockholm UniversityStockholmSweden
- The Bergius FoundationThe Royal Academy of SciencesStockholmSweden
| | | | - Catarina Rydin
- Department of Ecology, Environment and Plant SciencesStockholm UniversityStockholmSweden
- The Bergius FoundationThe Royal Academy of SciencesStockholmSweden
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214
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Hubert N, Phillips JD, Hanner RH. Delimiting Species with Single-Locus DNA Sequences. Methods Mol Biol 2024; 2744:53-76. [PMID: 38683311 DOI: 10.1007/978-1-0716-3581-0_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
DNA sequences are increasingly used for large-scale biodiversity inventories. Because these genetic data avoid the time-consuming initial sorting of specimens based on their phenotypic attributes, they have been recently incorporated into taxonomic workflows for overlooked and diverse taxa. Major statistical developments have accompanied this new practice, and several models have been proposed to delimit species with single-locus DNA sequences. However, proposed approaches to date make different assumptions regarding taxon lineage history, leading to strong discordance whenever comparisons are made among methods. Distance-based methods, such as Automatic Barcode Gap Discovery (ABGD) and Assemble Species by Automatic Partitioning (ASAP), rely on the detection of a barcode gap (i.e., the lack of overlap in the distributions of intraspecific and interspecific genetic distances) and the associated threshold in genetic distances. Network-based methods, as exemplified by the REfined Single Linkage (RESL) algorithm for the generation of Barcode Index Numbers (BINs), use connectivity statistics to hierarchically cluster-related haplotypes into molecular operational taxonomic units (MOTUs) which serve as species proxies. Tree-based methods, including Poisson Tree Processes (PTP) and the General Mixed Yule Coalescent (GMYC), fit statistical models to phylogenetic trees by maximum likelihood or Bayesian frameworks.Multiple webservers and stand-alone versions of these methods are now available, complicating decision-making regarding the most appropriate approach to use for a given taxon of interest. For instance, tree-based methods require an initial phylogenetic reconstruction, and multiple options are now available for this purpose such as RAxML and BEAST. Across all examined species delimitation methods, judicious parameter setting is paramount, as different model parameterizations can lead to differing conclusions. The objective of this chapter is to guide users step-by-step through all the procedures involved for each of these methods, while aggregating all necessary information required to conduct these analyses. The "Materials" section details how to prepare and format input files, including options to align sequences and conduct tree reconstruction with Maximum Likelihood and Bayesian inference. The Methods section presents the procedure and options available to conduct species delimitation analyses, including distance-, network-, and tree-based models. Finally, limits and future developments are discussed in the Notes section. Most importantly, species delimitation methods discussed herein are categorized based on five indicators: reliability, availability, scalability, understandability, and usability, all of which are fundamental properties needed for any approach to gain unanimous adoption within the DNA barcoding community moving forward.
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Affiliation(s)
- Nicolas Hubert
- UMR ISEM (IRD, UM, CNRS), Université de Montpellier, Montpellier, France.
| | - Jarrett D Phillips
- School of Computer Science, University of Guelph, Guelph, ON, Canada
- Department of Integrative Biology, University of Guelph, Guelph, ON, Canada
| | - Robert H Hanner
- Department of Integrative Biology, University of Guelph, Guelph, ON, Canada
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215
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Dagallier LMJ, Michelangeli FA. An updated and extended version of the Melastomataceae probe set for target capture. APPLICATIONS IN PLANT SCIENCES 2024; 12:e11564. [PMID: 38369977 PMCID: PMC10873813 DOI: 10.1002/aps3.11564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 09/27/2023] [Accepted: 10/01/2023] [Indexed: 02/20/2024]
Abstract
Premise A probe set was previously designed to target 384 nuclear loci in the Melastomataceae family; however, when trying to use it, we encountered several practical and conceptual problems, such as the presence of sequences in reverse complement, intronic regions with stop codons, and other issues. This raised concerns regarding the use of this probe set for sequence recovery in Melastomataceae. Methods In order to correct these issues, we cleaned the Melastomataceae probe set, extended it with additional sequences, and compared its performance with the original version. Results The final probe set targets 396 putative nuclear loci represented by 6009 template sequences. The probe set has been made available, along with details on the cleaning process, for reproducibility. We show that the new probe set performs better than the original version in terms of sequence recovery. Discussion This updated, extended, and cleaned probe set will improve the availability of phylogenomic resources across the Melastomataceae family. It is fully compatible with sequence recovery and extraction pipelines. The cleaning process can also be applied to any plant-targeting probe set that would need to be cleaned or updated if new genomic resources for the targeted taxa become available.
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216
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Fjelde MO, Timdal E, Haugan R, Bendiksby M. Paraphyly and cryptic diversity unveils unexpected challenges in the "naked lichens" (Calvitimela, Lecanoromycetes, Ascomycota). Mol Phylogenet Evol 2024; 190:107944. [PMID: 37844854 DOI: 10.1016/j.ympev.2023.107944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 09/28/2023] [Accepted: 10/13/2023] [Indexed: 10/18/2023]
Abstract
Molecular phylogenetics has revolutionized the taxonomy of crustose lichens and revealed an extensive amount of cryptic diversity. Resolving the relationships between genera in the crustose lichen family Tephromelataceae has proven difficult and the taxon limits within the genus Calvitimela are only partly understood. In this study, we tested the monophyly of Calvitimela and investigated phylogenetic relationships at different taxonomic levels using an integrative taxonomic approach. We performed a global sampling of all species currently assigned to Calvitimela and conducted additional sampling of C. melaleuca sensu lato across Norway. We included 108 specimens and produced more than 300 sequences from five different loci (ITS, LSU, MCM7, mtSSU, TEF1-α). We inferred phylogenetic relationships and estimated divergence times in Calvitimela. Moreover, we analyzed chemical and morphological characters to test their diagnostic values in the genus. Our molecular phylogenetic results show evolutionarily old and deeply divergent lineages in Calvitimela. The morphological characters are overlapping between divergent subgenera within this genus. Chemical characters, however, are largely informative at the level of subgenera, but are often homoplastic at the species level. The subgenus Calvitimela is found to include four distinct genetic lineages. Detailed morphological examinations of C. melaleuca s. lat. reveal differences between taxa previously assumed to be morphologically cryptic. Furthermore, young evolutionary ages and signs of gene tree discordance indicate a recent divergence and possibly incomplete lineage sorting in the subgenus Calvitimela. Phylogenetic analysis and morphological observations revealed that C. austrochilensis and C. uniseptata are extraneous to Calvitimela (Tephromelataceae). We also found molecular evidence supporting C. septentrionalis being sister to C. cuprea. In the subgenus Severidea, one new grouping is recovered as a highly supported sister to C. aglaea. Lastly, two fertile specimens were found to be phylogenetically nested within the sorediate species C. cuprea. We discuss the need for an updated classification of Calvitimela and the evolution of cryptic species. Through generic circumscription and species delimitation we propose a practical taxonomy of Calvitimela.
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Affiliation(s)
- Markus Osaland Fjelde
- Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO-0318 Oslo, Norway; Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, P.O. Box 1066 Blindern, NO-0316, Norway.
| | - Einar Timdal
- Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO-0318 Oslo, Norway
| | - Reidar Haugan
- Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO-0318 Oslo, Norway
| | - Mika Bendiksby
- Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, NO-0318 Oslo, Norway; NTNU University Museum, Norwegian University of Science and Technology, 7491 Trondheim, Norway
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217
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Wymazał A, Nowak S, Mysłajek RW, Bajer A, Welc-Falęciak R, Szewczyk M, Kwiatkowska I, Stępniak KM, Figura M, Kloch A. Tick-borne infections in wolves from an expanding population in Eastern Europe. Ticks Tick Borne Dis 2024; 15:102272. [PMID: 37890206 DOI: 10.1016/j.ttbdis.2023.102272] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/09/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023]
Abstract
In Central and Eastern Europe, wolf populations have been increasing over the last two decades, recolonizing areas from which the species had been previously exterminated. As wolves are still recovering after years of persecution by humans, recognizing pathogens infecting this species, including tick-borne infections, is crucial for its conservation. On the other hand the high mobility of wolves and their frequent contacts with humans, dogs, and other domestic species make them a potentially important zoonotic reservoir. In this paper, we used molecular methods to determine the prevalence of tick-borne pathogens in the following genera: Anaplasma, Babesia, Bartonella, Borrelia, and Rickettsia in 50 free-ranging wolves from Poland. We detected Babesia canis in the blood of nine individuals (prevalence 9/50=18 %). The obtained sequence showed the highest similarity to B. canis isolated from dogs and ticks, and all infected individuals originated from regions endemic to the ornate tick, Dermacentor reticulatus. Anaplasma phagocytophilum was found in tissue from one individual (1/50=2 %), and the sequence was assigned to the zoonotic ecotype I.
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Affiliation(s)
- Aleksander Wymazał
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Sabina Nowak
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Robert W Mysłajek
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Anna Bajer
- Faculty of Biology, Department of Eco-Epidemiology of Parasitic Diseases, University of Warsaw, Miecznikowa 1, Warszawa 02-096, Poland
| | - Renata Welc-Falęciak
- Faculty of Biology, Department of Parasitology, University of Warsaw, Miecznikowa 1, Warszawa 02-096, Poland
| | - Maciej Szewczyk
- Faculty of Biology, Department of Vertebrate Ecology and Zoology, University of Gdańsk, Wita Stwosza 59, Gdańsk 80-308, Poland
| | - Iga Kwiatkowska
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Kinga M Stępniak
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Michał Figura
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland; Association for Nature "Wolf", Cynkowa 4, Twardorzeczka 34-324, Poland
| | - Agnieszka Kloch
- Faculty of Biology, Department of Ecology, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warszawa 02-089, Poland.
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218
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Rodríguez-Vivas RI, Ojeda-Chi MM, Thompson AT, Yabsley MJ, Colunga-Salas P, Montes SS. Population genetics of the Ixodes affinis (Ixodida: Ixodidae) complex in America: new findings and a host-parasite review. Parasitol Res 2023; 123:78. [PMID: 38158425 DOI: 10.1007/s00436-023-08091-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 12/09/2023] [Indexed: 01/03/2024]
Abstract
Ticks are hematophagous ectoparasites associated with a wide range of vertebrate hosts. Within this group, the Ixodidae family stands out, in which the Ixodes genus contains at least 245 species worldwide, from which 55 species are present in the Neotropical region. Ixodes affinis, a tick described in 1899, has a wide distribution from the Southern Cone of America to the United States. However, since its description, morphological variability has been reported among its populations. Furthermore, attempts have been made to clarify its status as a species complex using mitochondrial markers, but mainly in restricted populations of South and Central America. Thus, information related to populations of the transition region between the Neotropical and Nearctic zones is lacking. For these reasons, the objectives of the study were to evaluate the genetic diversity and structure of I. affinis across the Americas and to compile all the published records of I. affinis in America, to elucidate the host-parasite relationships and to identify their geographical distribution. For this, a phylogeny, and AMOVA analyses were performed to assess the genetic structure of samples obtained by field work in South Carolina, USA and Yucatán, Mexico. A total of 86 sequences were retrieved from a fragment of the 16S region. Phylogeny and genetic structure analysis showed four groups that were geographically and genetically related with high branch support and Fst values, all of them statistically significant. The results obtained support the hypothesis that I. affinis it corresponds to a complex of four species, which must be validated through future morphological comparisons.
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Affiliation(s)
- Roger I Rodríguez-Vivas
- Campus de Ciencias Biológicas y Agropecuarias. Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Mérida, Yucatán, México
| | - Melina M Ojeda-Chi
- Campus de Ciencias Biológicas y Agropecuarias. Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Mérida, Yucatán, México
- Facultad de Ciencias Biológicas y Agropecuarias Región Poza Rica-Tuxpan, Universidad Veracruzana, Carretera Tuxpan Tampico Kilómetro 7.5, Universitaria, Tuxpan de Rodríguez Cano, Veracruz, C.P. 92870, México
| | - Alec T Thompson
- Southeastern Cooperative Wildlife Disease Study (SCWDS), College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Michael J Yabsley
- Southeastern Cooperative Wildlife Disease Study (SCWDS), College of Veterinary Medicine, University of Georgia, Athens, GA, USA
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA, USA
| | - Pablo Colunga-Salas
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa de Enríquez, Veracruz, 91090, México.
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de Mexico, México.
| | - Sokani Sánchez Montes
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de Mexico, México.
- Facultad de Ciencias Biológicas y Agropecuarias Región Poza Rica-Tuxpan, Universidad Veracruzana, Carretera Tuxpan Tampico Kilómetro 7.5, Universitaria, Tuxpan de Rodríguez Cano, Veracruz, C.P. 92870, México.
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219
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Olou BA, Hègbè ADMT, Piepenbring M, Yorou NS. Genetic diversity and population differentiation in Earliella scabrosa, a pantropical species of Polyporales. Sci Rep 2023; 13:23020. [PMID: 38155211 PMCID: PMC10754928 DOI: 10.1038/s41598-023-50398-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 12/19/2023] [Indexed: 12/30/2023] Open
Abstract
Earliella scabrosa is a pantropical species of Polyporales (Basidiomycota) and well-studied concerning its morphology and taxonomy. However, its pantropical intraspecific genetic diversity and population differentiation is unknown. We initiated this study to better understand the genetic variation within E. scabrosa and to test if cryptic species are present. Sequences of three DNA regions, the nuclear ribosomal internal transcribed spacer (ITS), the large subunit ribosomal DNA (LSU), and the translation elongation factor (EF1α) were analysed for 66 samples from 15 geographical locations. We found a high level of genetic diversity (haplotype diversity, Hd = 0.88) and low nucleotide diversity (π = 0.006) across the known geographical range of E. scabrosa based on ITS sequences. The analysis of molecular variance (AMOVA) indicates that the genetic variability is mainly found among geographical populations. The results of Mantel tests confirmed that the genetic distance among populations of E. scabrosa is positively correlated with the geographical distance, which indicates that geographical isolation is an important factor for the observed genetic differentiation. Based on phylogenetic analyses of combined dataset ITS-LSU-EF1α, the low intraspecific divergences (0-0.3%), and the Automated Barcode Gap Discovery (ABGD) analysis, E. scabrosa can be considered as a single species with five different geographical populations. Each population might be in the process of allopatric divergence and in the long-term they may evolve and become distinct species.
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Affiliation(s)
- Boris Armel Olou
- Research Unit Tropical Mycology and Plant-Soil Fungi Interactions (MyTIPS), Faculty of Agronomy, University of Parakou, BP 123, Parakou, Benin.
| | - Apollon D M T Hègbè
- Research Unit Tropical Mycology and Plant-Soil Fungi Interactions (MyTIPS), Faculty of Agronomy, University of Parakou, BP 123, Parakou, Benin
| | - Meike Piepenbring
- Mycology Research Group, Faculty of Biological Sciences, Goethe University Frankfurt am Main, Biologicum, Max-von-Laue-Str. 13, 60438, Frankfurt am Main, Germany
| | - Nourou Soulemane Yorou
- Research Unit Tropical Mycology and Plant-Soil Fungi Interactions (MyTIPS), Faculty of Agronomy, University of Parakou, BP 123, Parakou, Benin
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220
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Topcu C, Georgiou V, Rodosthenous JH, Siakallis G, Gavala EK, Dimitriou CR, Zeniou E, Foley BT, Kostrikis LG. Comprehensive Genetic Characterization of Four Novel HIV-1 Circulating Recombinant Forms (CRF129_56G, CRF130_A1B, CRF131_A1B, and CRF138_cpx): Insights from Molecular Epidemiology in Cyprus. Viruses 2023; 16:19. [PMID: 38275954 PMCID: PMC10819958 DOI: 10.3390/v16010019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024] Open
Abstract
Molecular investigations of the HIV-1 pol region (2253-5250 in the HXB2 genome) were conducted on sequences obtained from 331 individuals infected with HIV-1 in Cyprus between 2017 and 2021. This study unveiled four distinct HIV-1 putative transmission clusters, encompassing 19 previously unidentified HIV-1 recombinants. These recombinants, each comprising eight, three, four, and four sequences, respectively, did not align with previously established Circulating Recombinant Forms (CRFs). To characterize these novel HIV-1 recombinants, near-full-length genome sequences were successfully obtained for 16 of the 19 recombinants (790-8795 in the HXB2 genome) using an in-house-developed RT-PCR assay. Phylogenetic analyses, employing MEGAX and Cluster-Picker, along with confirmatory neighbor-joining tree analyses of subregions, were conducted to identify distinct clusters and determine subtypes. The uniqueness of the HIV-1 recombinants was evident in their exclusive clustering within generated maximum likelihood trees. Recombination analyses highlighted the distinct chimeric nature of these recombinants, with consistent mosaic patterns observed across all sequences within each of the four putative transmission clusters. Conclusive genetic characterization identified four novel HIV-1 CRFs: CRF129_56G, CRF130_A1B, CRF131_A1B, and CRF138_cpx. CRF129_56G exhibited two recombination breakpoints and three fragments of subtypes CRF56_cpx and G. Both CRF130_A1B and CRF131_A1B featured seven recombination breakpoints and eight fragments of subtypes A1 and B. CRF138_cpx displayed five recombination breakpoints and six fragments of subtypes CRF22_01A1 and F2, along with an unclassified fragment. Additional BLAST analyses identified a Unique Recombinant Form (URF) of CRF138_cpx with three additional recombination sites, involving subtype F2, a fragment of unknown subtype origin, and CRF138_cpx. Post-identification, all putative transmission clusters remained active, with CRF130_A1B, CRF131_A1B, and CRF138_cpx clusters exhibiting further growth. Furthermore, international connections were identified through BLAST analyses, linking one sequence from the USA to the CRF130_A1B strain, and three sequences from Belgium and Cameroon to the CRF138_cpx strain. This study contributes valuable insights into the dynamic landscape of HIV-1 diversity and transmission patterns, emphasizing the need for ongoing molecular surveillance and global collaboration in tracking emerging viral variants.
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Affiliation(s)
- Cicek Topcu
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
| | - Vasilis Georgiou
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
| | - Johana Hezka Rodosthenous
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
| | | | - Elena Katerina Gavala
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
| | - Christiana Reveka Dimitriou
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
| | - Evgenia Zeniou
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
| | - Brian Thomas Foley
- T-6 Theoretical Biology and Biophysics, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Leondios G. Kostrikis
- Department of Biological Sciences, University of Cyprus, 1 University Avenue, Aglantzia, 2109 Nicosia, Cyprus
- Cyprus Academy of Sciences, Letters, and Arts, 60–68 Phaneromenis Street, 1011 Nicosia, Cyprus
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221
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Hribovšek P, Olesin Denny E, Dahle H, Mall A, Øfstegaard Viflot T, Boonnawa C, Reeves EP, Steen IH, Stokke R. Putative novel hydrogen- and iron-oxidizing sheath-producing Zetaproteobacteria thrive at the Fåvne deep-sea hydrothermal vent field. mSystems 2023; 8:e0054323. [PMID: 37921472 PMCID: PMC10734525 DOI: 10.1128/msystems.00543-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 10/02/2023] [Indexed: 11/04/2023] Open
Abstract
IMPORTANCE Knowledge on microbial iron oxidation is important for understanding the cycling of iron, carbon, nitrogen, nutrients, and metals. The current study yields important insights into the niche sharing, diversification, and Fe(III) oxyhydroxide morphology of Ghiorsea, an iron- and hydrogen-oxidizing Zetaproteobacteria representative belonging to Zetaproteobacteria operational taxonomic unit 9. The study proposes that Ghiorsea exhibits a more extensive morphology of Fe(III) oxyhydroxide than previously observed. Overall, the results increase our knowledge on potential drivers of Zetaproteobacteria diversity in iron microbial mats and can eventually be used to develop strategies for the cultivation of sheath-forming Zetaproteobacteria.
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Affiliation(s)
- Petra Hribovšek
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Earth Science, University of Bergen, Bergen, Norway
| | - Emily Olesin Denny
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Biological Sciences, University of Bergen, Bergen, Norway
- Computational Biology Unit, University of Berge, Bergen, Norway
| | - Håkon Dahle
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Biological Sciences, University of Bergen, Bergen, Norway
- Computational Biology Unit, University of Berge, Bergen, Norway
| | - Achim Mall
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Thomas Øfstegaard Viflot
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Earth Science, University of Bergen, Bergen, Norway
| | - Chanakan Boonnawa
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Earth Science, University of Bergen, Bergen, Norway
| | - Eoghan P. Reeves
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Earth Science, University of Bergen, Bergen, Norway
| | - Ida Helene Steen
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Runar Stokke
- Centre for Deep Sea Research, University of Bergen, Bergen, Norway
- Department of Biological Sciences, University of Bergen, Bergen, Norway
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222
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Kinloch NN, Shahid A, Dong W, Kirkby D, Jones BR, Beelen CJ, MacMillan D, Lee GQ, Mota TM, Sudderuddin H, Barad E, Harris M, Brumme CJ, Jones RB, Brockman MA, Joy JB, Brumme ZL. HIV reservoirs are dominated by genetically younger and clonally enriched proviruses. mBio 2023; 14:e0241723. [PMID: 37971267 PMCID: PMC10746175 DOI: 10.1128/mbio.02417-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/09/2023] [Indexed: 11/19/2023] Open
Abstract
IMPORTANCE Characterizing the human immunodeficiency virus (HIV) reservoir that endures despite antiretroviral therapy (ART) is critical to cure efforts. We observed that the oldest proviruses persisting during ART were exclusively defective, while intact proviruses (and rebound HIV) dated to nearer ART initiation. This helps explain why studies that sampled sub-genomic proviruses on-ART (which are largely defective) routinely found sequences dating to early infection, whereas those that sampled replication-competent HIV found almost none. Together with our findings that intact proviruses were more likely to be clonal, and that on-ART low-level/isolated viremia originated from proviruses of varying ages (including possibly defective ones), our observations indicate that (i) on-ART and rebound viremia can have distinct within-host origins, (ii) intact proviruses have shorter lifespans than grossly defective ones and thus depend more heavily on clonal expansion for persistence, and (iii) an HIV reservoir predominantly "dating" to near ART initiation will be substantially adapted to within-host pressures, complicating immune-based cure strategies.
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Affiliation(s)
- Natalie N. Kinloch
- Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Aniqa Shahid
- Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Winnie Dong
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Don Kirkby
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Bradley R. Jones
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
- Bioinformatics Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Charlotte J. Beelen
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Daniel MacMillan
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Guinevere Q. Lee
- Infectious Diseases Division, Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Talia M. Mota
- Infectious Diseases Division, Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Hanwei Sudderuddin
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
- Experimental Medicine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Evan Barad
- Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
| | - Marianne Harris
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
- Department of Family Practice, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Chanson J. Brumme
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
- Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - R. Brad Jones
- Infectious Diseases Division, Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Mark A. Brockman
- Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
- Department of Molecular Biology and Biochemistry, Faculty of Science, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Jeffrey B. Joy
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
- Bioinformatics Program, University of British Columbia, Vancouver, British Columbia, Canada
- Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Zabrina L. Brumme
- Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
- British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
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223
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Nardo VG, Otero IVR, Giovanella P, Santos JAD, Pellizzer EP, Dovigo DR, Paes ECP, Sette LD. Biobank of fungi from marine and terrestrial Antarctic environments. AN ACAD BRAS CIENC 2023; 95:e20230603. [PMID: 38126380 DOI: 10.1590/0001-3765202320230603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023] Open
Abstract
Harsh and extreme environments, such as Antarctica, offer unique opportunities to explore new microbial taxa and biomolecules. Given the limited knowledge on microbial diversity, this study aimed to compile, analyze and compare a subset of the biobank of Antarctic fungi maintained at the UNESP's Central of Microbial Resources (CRM-UNESP). A total of 711 isolates (240 yeasts and 471 filamentous fungi) from marine and terrestrial samples collected at King George Island (South Shetland Islands, Antarctica) were used with the primary objective of investigating their presence in both marine and terrestrial environments. Among the yeasts, 13 genera were found, predominantly belonging to the phylum Basidiomycota. Among the filamentous fungi, 34 genera were represented, predominantly from the phylum Ascomycota. The most abundant genera in the marine samples were Metschnikowia, Mrakia, and Pseudogymnoascus, while in the terrestrial samples, they were Pseudogymnoascus, Leucosporidium, and Mortierella. Most of the genera and species of the CRM-UNESP biobank of Antarctic fungi are being reported as an important target for biotechnological applications. This study showed the relevance of the CRM-UNESP biobank, highlighting the importance of applying standard methods for the preservation of the biological material and associated data (BMaD), as recommended in national and international standards.
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Affiliation(s)
- Victor G Nardo
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Igor V R Otero
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Patricia Giovanella
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
- Universidade Estadual Paulista (UNESP), Centro de Estudos Ambientais, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Juliana Aparecida Dos Santos
- Universidade do Vale do Sapucaí (Univás), Av. Prefeito Tuany Toledo, 470, Fatima, 37550-000 Pouso Alegre, MG, Brazil
| | - Elisa P Pellizzer
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Daniel R Dovigo
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Eduardo C P Paes
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Lara D Sette
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Departamento de Biologia Geral e Aplicada, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
- Universidade Estadual Paulista (UNESP), Centro de Estudos Ambientais, Av. 24A, 1515, 13506-900 Rio Claro, SP, Brazil
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224
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Caldas-Garcia GB, Santos VC, Fonseca PLC, de Almeida JPP, Costa MA, Aguiar ERGR. The Viromes of Six Ecosystem Service Provider Parasitoid Wasps. Viruses 2023; 15:2448. [PMID: 38140687 PMCID: PMC10747428 DOI: 10.3390/v15122448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 12/24/2023] Open
Abstract
Parasitoid wasps are fundamental insects for the biological control of agricultural pests. Despite the importance of wasps as natural enemies for more sustainable and healthy agriculture, the factors that could impact their species richness, abundance, and fitness, such as viral diseases, remain almost unexplored. Parasitoid wasps have been studied with regard to the endogenization of viral elements and the transmission of endogenous viral proteins that facilitate parasitism. However, circulating viruses are poorly characterized. Here, RNA viromes of six parasitoid wasp species are studied using public libraries of next-generation sequencing through an integrative bioinformatics pipeline. Our analyses led to the identification of 18 viruses classified into 10 families (Iflaviridae, Endornaviridae, Mitoviridae, Partitiviridae, Virgaviridae, Rhabdoviridae, Chuviridae, Orthomyxoviridae, Xinmoviridae, and Narnaviridae) and into the Bunyavirales order. Of these, 16 elements were described for the first time. We also found a known virus previously identified on a wasp prey which suggests viral transmission between the insects. Altogether, our results highlight the importance of virus surveillance in wasps as its service disruption can affect ecology, agriculture and pest management, impacting the economy and threatening human food security.
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Affiliation(s)
- Gabriela B. Caldas-Garcia
- Virus Bioinformatics Laboratory, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz, Ilhéus 45662-900, Brazil; (G.B.C.-G.); (P.L.C.F.)
| | - Vinícius Castro Santos
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 30270-901, Brazil; (V.C.S.); (J.P.P.d.A.)
| | - Paula Luize Camargos Fonseca
- Virus Bioinformatics Laboratory, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz, Ilhéus 45662-900, Brazil; (G.B.C.-G.); (P.L.C.F.)
- Department of Genetics, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 30270-901, Brazil
| | - João Paulo Pereira de Almeida
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 30270-901, Brazil; (V.C.S.); (J.P.P.d.A.)
| | - Marco Antônio Costa
- Departament of Biological Sciences, Universidade Estadual de Santa Cruz, Ilhéus 45662-900, Brazil;
| | - Eric Roberto Guimarães Rocha Aguiar
- Virus Bioinformatics Laboratory, Centro de Biotecnologia e Genética, Universidade Estadual de Santa Cruz, Ilhéus 45662-900, Brazil; (G.B.C.-G.); (P.L.C.F.)
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225
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Cabral TS, da Silva BDB, Vargas-Isla R, de Oliveira JJS, Ferreira JADS, Castro L, Martín MP, Ishikawa NK. Diversity of Neotropical stalked-puffball: Two new species of Tulostoma with reticulated spores. PLoS One 2023; 18:e0294672. [PMID: 38091271 PMCID: PMC10718411 DOI: 10.1371/journal.pone.0294672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 10/31/2023] [Indexed: 12/18/2023] Open
Abstract
Species of the genus Tulostoma are easily recognizable by the presence of a spore sac, with a mouth from which spores are released, attached to a stipe. Tulostoma is a species-diverse genus with a worldwide distribution, and some attempts were made to delimitate species and to evaluate reliable taxonomic-informative characteristics for species identification. However, there is a notable information gap regarding Neotropical species, especially for geographic distribution and DNA data, which hampers further understanding of the infrageneric diversity, evolution, and ecology of this genus. Based on morphological analysis, molecular phylogenetics and geographic distribution, we propose here two new species of Tulostoma with reticulated spores, from the two threatened Brazilian geographical areas, Atlantic Forest and "campos rupestres" (rupestrian grassland), as well as we provide notes on the taxonomic rank of Tulostoma exasperatum var. ridleyi.
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Affiliation(s)
- Tiara Sousa Cabral
- Departamento de Parasitologia, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | | | - Ruby Vargas-Isla
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil
| | - Jadson José Souza de Oliveira
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil
- Programa de Pós-graduação em Botânica, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil
| | | | - Laís Castro
- Fazenda Bananal, Paraty, Rio de Janeiro, Brazil
| | - María Paz Martín
- Departamento de Micología, Real Jardín Botánico-CSIC, Madrid, Spain
| | - Noemia Kazue Ishikawa
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil
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226
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Planinić A, Begovac J, Rokić F, Šimičić P, Oroz M, Jakovac K, Vugrek O, Zidovec-Lepej S. Characterization of Human Immunodeficiency Virus-1 Transmission Clusters and Transmitted Drug-Resistant Mutations in Croatia from 2019 to 2022. Viruses 2023; 15:2408. [PMID: 38140649 PMCID: PMC10747707 DOI: 10.3390/v15122408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/04/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Molecular epidemiology of HIV-1 infection is challenging due to the highly diverse HIV-genome. We investigated the genetic diversity and prevalence of transmitted drug resistance (TDR) followed by phylogenetic analysis in 270 HIV-1 infected, treatment-naïve individuals from Croatia in the period 2019-2022. The results of this research confirmed a high overall prevalence of TDR of 16.7%. Resistance to nucleoside reverse transcriptase inhibitors (NRTIs), non-nucleoside RTIs (NNRTIs), and protease inhibitors (PIs) was found in 9.6%, 7.4%, and 1.5% of persons, respectively. No resistance to integrase strand-transfer inhibitors (INSTIs) was found. Phylogenetic analysis revealed that 173/229 sequences (75.5%) were part of transmission clusters, and the largest identified was T215S, consisting of 45 sequences. Forward transmission was confirmed in several clusters. We compared deep sequencing (DS) with Sanger sequencing (SS) on 60 randomly selected samples and identified additional surveillance drug resistance mutations (SDRMs) in 49 of them. Our data highlight the need for baseline resistance testing in treatment-naïve persons. Although no major INSTIs were found, monitoring of SDRMs to INSTIs should be continued due to the extensive use of first- and second-generation INSTIs.
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Affiliation(s)
- Ana Planinić
- Department of Immunological and Molecular Diagnostics, University Hospital for Infectious Diseases Dr. Fran Mihaljević, 10000 Zagreb, Croatia;
| | - Josip Begovac
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Filip Rokić
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (F.R.); (K.J.); (O.V.)
| | - Petra Šimičić
- Department of Oncology and Nuclear Medicine, Sestre Milosrdnice University Hospital Center, 10000 Zagreb, Croatia;
| | - Maja Oroz
- Cytogenetic Laboratory, Department of Obstetrics and Gynecology, Clinical Hospital Sveti Duh, 10000 Zagreb, Croatia;
| | - Katja Jakovac
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (F.R.); (K.J.); (O.V.)
| | - Oliver Vugrek
- Ruđer Bošković Institute, 10000 Zagreb, Croatia; (F.R.); (K.J.); (O.V.)
| | - Snjezana Zidovec-Lepej
- Department of Immunological and Molecular Diagnostics, University Hospital for Infectious Diseases Dr. Fran Mihaljević, 10000 Zagreb, Croatia;
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227
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de Sousa AA, Cruz ACR, da Silva FS, da Silva SP, Neto JPN, Barros MC, Fraga EDC, Sampaio I. Sequencing and Analysis of the Mitochondrial Genome of Aedes aegypti (Diptera: Culicidae) from the Brazilian Amazon Region. INSECTS 2023; 14:938. [PMID: 38132611 PMCID: PMC10744036 DOI: 10.3390/insects14120938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 11/03/2023] [Indexed: 12/23/2023]
Abstract
Aedes aegypti is a mosquito native to the African continent, which is now widespread in the tropical and subtropical regions of the world. In many regions, it represents a major challenge to public health, given its role in the cycle of transmission of important arboviruses, such as Dengue, Zika, and Chikungunya. Considering the epidemiological importance of Ae. aegypti, the present study sequenced the partial mitochondrial genome of a sample collected in the municipality of Balsas, in the Brazilian state of Maranhão, followed by High Throughput Sequencing and phylogenetic analyses. The mitochondrial sequence obtained here was 15,863 bp long, and contained 37 functional subunits (thirteen PCGs, twenty-two tRNAs and two rRNAs) in addition to a partial final portion rich in A+T. The data obtained here contribute to the enrichment of our knowledge of the taxonomy and evolutionary biology of this prominent disease vector. These findings represent an important advancement in the understanding of the characteristics of the populations of northeastern Brazil and provide valuable insights into the taxonomy and evolutionary biology of this prominent disease vector.
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Affiliation(s)
- Andrelina Alves de Sousa
- Post-Graduate Program in Genetics and Molecular Biology, Federal University of Pará, Belém 66075-110, Pará, Brazil;
| | - Ana Cecília Ribeiro Cruz
- Evandro Chagas Institute (IEC/SVS/MS), Department of Arbovirology and Hemorrhagic Fevers, Ananindeua 67030-000, Pará, Brazil; (A.C.R.C.); (F.S.d.S.); (S.P.d.S.); (J.P.N.N.)
- Post-Graduate Program in Parasite Biology in the Amazon, Center of Biological and Health Sciences, Pará State University, Belém 66095-662, Pará, Brazil
| | - Fábio Silva da Silva
- Evandro Chagas Institute (IEC/SVS/MS), Department of Arbovirology and Hemorrhagic Fevers, Ananindeua 67030-000, Pará, Brazil; (A.C.R.C.); (F.S.d.S.); (S.P.d.S.); (J.P.N.N.)
- Post-Graduate Program in Parasite Biology in the Amazon, Center of Biological and Health Sciences, Pará State University, Belém 66095-662, Pará, Brazil
| | - Sandro Patroca da Silva
- Evandro Chagas Institute (IEC/SVS/MS), Department of Arbovirology and Hemorrhagic Fevers, Ananindeua 67030-000, Pará, Brazil; (A.C.R.C.); (F.S.d.S.); (S.P.d.S.); (J.P.N.N.)
| | - Joaquim Pinto Nunes Neto
- Evandro Chagas Institute (IEC/SVS/MS), Department of Arbovirology and Hemorrhagic Fevers, Ananindeua 67030-000, Pará, Brazil; (A.C.R.C.); (F.S.d.S.); (S.P.d.S.); (J.P.N.N.)
- Post-Graduate Program in Parasite Biology in the Amazon, Center of Biological and Health Sciences, Pará State University, Belém 66095-662, Pará, Brazil
| | - Maria Claudene Barros
- Laboratory of Genetics and Molecular Biology (GENBIMOL), Maranhão State University, Caxias 65604-380, Maranhão, Brazil; (M.C.B.); (E.d.C.F.)
| | - Elmary da Costa Fraga
- Laboratory of Genetics and Molecular Biology (GENBIMOL), Maranhão State University, Caxias 65604-380, Maranhão, Brazil; (M.C.B.); (E.d.C.F.)
| | - Iracilda Sampaio
- Laboratory of Evolution, Institute of Coastal Studies, Federal University of Pará, Bragança 68600-000, Pará, Brazil
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y Castro TR, Piccoli BC, Vieira AA, Casarin BC, Tessele LF, Salvato RS, Gregianini TS, Martins LG, Resende PC, Pereira EC, Moreira FRR, de Jesus JG, Seerig AP, Lobato MAO, de Campos MMA, Goularte JS, da Silva MS, Demoliner M, Filippi M, Pereira VMAG, Schwarzbold AV, Spilki FR, Trindade PA. Introduction, Dispersal, and Predominance of SARS-CoV-2 Delta Variant in Rio Grande do Sul, Brazil: A Retrospective Analysis. Microorganisms 2023; 11:2938. [PMID: 38138081 PMCID: PMC10745878 DOI: 10.3390/microorganisms11122938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/14/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
Mutations in the SARS-CoV-2 genome can alter the virus' fitness, leading to the emergence of variants of concern (VOC). In Brazil, the Gamma variant dominated the pandemic in the first half of 2021, and from June onwards, the first cases of Delta infection were documented. Here, we investigate the introduction and dispersal of the Delta variant in the RS state by sequencing 1077 SARS-CoV-2-positive samples from June to October 2021. Of these samples, 34.7% were identified as Gamma and 65.3% as Delta. Notably, 99.2% of Delta sequences were clustered within the 21J lineage, forming a significant Brazilian clade. The estimated clock rate was 5.97 × 10-4 substitutions per site per year. The Delta variant was first reported on 17 June in the Vinhedos Basalto microregion and rapidly spread, accounting for over 70% of cases within nine weeks. Despite this, the number of cases and deaths remained stable, possibly due to vaccination, prior infections, and the continued mandatory mask use. In conclusion, our study provides insights into the Delta variant circulating in the RS state, highlighting the importance of genomic surveillance for monitoring viral evolution, even when the impact of new variants may be less severe in a given region.
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Affiliation(s)
- Thaís Regina y Castro
- Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Bruna C. Piccoli
- Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Andressa A. Vieira
- Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Bruna C. Casarin
- Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Luíza F. Tessele
- Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Richard S. Salvato
- Centro Estadual de Vigilância em Saúde, Secretaria Estadual da Saúde do Rio Grande do Sul (CEVS/SES-RS), Porto Alegre 90610-000, Brazil
| | - Tatiana S. Gregianini
- Centro Estadual de Vigilância em Saúde, Secretaria Estadual da Saúde do Rio Grande do Sul (CEVS/SES-RS), Porto Alegre 90610-000, Brazil
| | - Leticia G. Martins
- Centro Estadual de Vigilância em Saúde, Secretaria Estadual da Saúde do Rio Grande do Sul (CEVS/SES-RS), Porto Alegre 90610-000, Brazil
| | - Paola Cristina Resende
- Laboratório de Vírus Respiratórios e Sarampo, Instituto Oswaldo Cruz Institute, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-360, Brazil
| | - Elisa C. Pereira
- Laboratório de Vírus Respiratórios e Sarampo, Instituto Oswaldo Cruz Institute, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-360, Brazil
| | - Filipe R. R. Moreira
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
| | - Jaqueline G. de Jesus
- Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo 05508-220, Brazil
| | - Ana Paula Seerig
- Vigilância em Saúde, Secretaria Municipal da Saúde de Santa Maria, Santa Maria 97060-001, Brazil
| | - Marcos Antonio O. Lobato
- Departamento de Saúde Coletiva, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Marli M. A. de Campos
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Juliana S. Goularte
- Laboratório de Microbiologia Molecular, Universidade FEEVALE, Novo Hamburgo 93510-235, Brazil
| | - Mariana S. da Silva
- Laboratório de Microbiologia Molecular, Universidade FEEVALE, Novo Hamburgo 93510-235, Brazil
| | - Meriane Demoliner
- Laboratório de Microbiologia Molecular, Universidade FEEVALE, Novo Hamburgo 93510-235, Brazil
| | - Micheli Filippi
- Laboratório de Microbiologia Molecular, Universidade FEEVALE, Novo Hamburgo 93510-235, Brazil
| | | | - Alexandre V. Schwarzbold
- Departamento de Clínica Médica, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
| | - Fernando R. Spilki
- Laboratório de Microbiologia Molecular, Universidade FEEVALE, Novo Hamburgo 93510-235, Brazil
| | - Priscila A. Trindade
- Laboratório de Biologia Molecular e Bioinformática Aplicadas a Microbiologia Clínica, Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
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229
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Zeller-Péronnet V, Bretschneider N, Lausch J, Hanifi N, Pavlovic M, Zarske M, Luu HQ, Busch U, Stingl K, Huber I. Multiplex Real-Time PCR for the Detection of Tetracycline, Ciprofloxacin, and Erythromycin Resistance Determinants from Human and Foodborne Campylobacter jejuni and Campylobacter coli. Microorganisms 2023; 11:2927. [PMID: 38138071 PMCID: PMC10745765 DOI: 10.3390/microorganisms11122927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 12/24/2023] Open
Abstract
Campylobacter jejuni and Campylobacter coli are the predominant thermophilic species responsible for foodborne gastroenteritis worldwide. Elevated resistance to certain antibiotics was observed due to antimicrobial therapy in farm animals and humans, while reduced antimicrobial usage partially reduced antibiotic resistance. Monitoring the antimicrobial resistance demonstrated a substantial fraction of multi-resistant isolates, indicating the necessity of reliable tools for their detection. In this study, resistance determinants in 129 German and 21 Vietnamese isolates were selected to establish a novel multiplex real-time PCR (qPCR), facilitating the simultaneous detection of four resistance determinants. These comprised tet(O) gene variants associated with tetracycline resistance, point mutations GyrA_T86I and GyrA_T86V associated with ciprofloxacin resistance, and the erm(B) gene together with the point mutation A2075G in the 23S rRNA gene, associated with erythromycin resistance. Moreover, the performance of the qPCR assay was evaluated by comparing the results of qPCR to phenotypic antimicrobial resistance profiles, obtained with standardized EUCAMP3 microdilution panel, which showed 100% similarity (inclusivity and exclusivity). Variation in measurement methods, including qPCR machines and master mixes showed robustness, essential for laboratories. The assay can be used for the rapid detection of resistance determinants, and is beneficial for monitoring the spread of antibiotic resistance in C. jejuni and C. coli.
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Affiliation(s)
- Véronique Zeller-Péronnet
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Nancy Bretschneider
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Johanna Lausch
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Nadera Hanifi
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Melanie Pavlovic
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Michael Zarske
- National Reference Laboratory for Campylobacter, Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany; (M.Z.); (K.S.)
| | - Huong Quynh Luu
- National Institute of Veterinary Research (NIVR), Hanoi 100000, Vietnam;
| | - Ulrich Busch
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Kerstin Stingl
- National Reference Laboratory for Campylobacter, Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany; (M.Z.); (K.S.)
| | - Ingrid Huber
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
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230
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Zhang YZ, Chen QL, Ma J, Lu YZ, Chen HB, Liu NG. Morphological and multi-gene phylogenetic analyses reveal five new hyphomycetes from freshwater habitats. Front Microbiol 2023; 14:1253239. [PMID: 38116531 PMCID: PMC10728726 DOI: 10.3389/fmicb.2023.1253239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 11/06/2023] [Indexed: 12/21/2023] Open
Abstract
During the survey on freshwater hyphomycetes in Guangxi, Guizhou and Hainan Provinces, China, five fresh collections were encountered. Based on their morphology, these five isolates were identified as belonging to Hermatomyces, Kirschsteiniothelia, Paramonodictys, Pleopunctum and Sparticola. Multi-gene phylogenetic analyses were performed for each genus, which resulted in the identification of five new species, namely Hermatomyces hainanensis, Kirschsteiniothelia ramus, Paramonodictys globosa, Pleopunctum guizhouense, and Sparticola irregularis. Detailed descriptions and illustrations of the morphological characteristics of these new taxa were provided. This research enriches the biodiversity of freshwater dematiaceous hyphomycetes.
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Affiliation(s)
- Ya-Zhou Zhang
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, Hong Kong SAR, China
| | - Qi-Lei Chen
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, Hong Kong SAR, China
| | - Jian Ma
- School of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, Guizhou, China
| | - Yong-Zhong Lu
- School of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, Guizhou, China
| | - Hu-Biao Chen
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, Hong Kong SAR, China
| | - Ning-Guo Liu
- School of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, Guizhou, China
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231
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Ishiyama G, Kantor YI, Kano Y. Systematics and Distributions of Upper Bathyal Species in Bathyancistrolepis, a Deep-Sea Whelk Genus Endemic to the Northwest Pacific (Gastropoda: Buccinidae). Zoolog Sci 2023; 40:486-496. [PMID: 38064376 DOI: 10.2108/zs230067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/19/2023] [Indexed: 12/18/2023]
Abstract
The deep-sea buccinid snail genus Bathyancistrolepis is redefined based on the reconstruction of a molecular phylogeny and morphological examination of shell and radular characters. This genus is distinguished from other genera of the subfamily Parancistrolepidinae with a combination of shell traits, including (1) a low spire, (2) sharp, carinate spiral cords or keels and (3) a long, curved siphonal canal, but not with a difference in radular morphology as suggested by previous authors. Three allopatric or parapatric species are recognized in the upper bathyal (447-2057 m) waters around Japan and Taiwan: B. tokoyodaensis from off Hokkaido to Sagami Bay in the Northwest Pacific, B. trochoidea off Kumano-nada to Miyazaki in the Northwest Pacific and along Nansei Islands in the East China Sea, and B. taiwanensis sp. nov. in the South China Sea. These species bear large paucispiral protoconchs that are indicative of benthic early development without a pelagic larval period, and hence low dispersal capability. Seafloor topography seems to have acted as a barrier for their dispersal; the range of B. tokoyodaensis supports the previous finding that Izu Peninsula delimits westward distribution of bathyal gastropod species of boreal origins.
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Affiliation(s)
- Genki Ishiyama
- Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Chiba 277-8564, Japan,
| | - Yuri I Kantor
- A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninski Moscow 119071, Russia
| | - Yasunori Kano
- Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Chiba 277-8564, Japan
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232
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Bezerra TL, de Jesus RF, Soares RM, Borges-Silva W, Gondim LFP. Sarcocystis sp. shed by the common boa snake ( Boa constrictor) in Brazil. Int J Parasitol Parasites Wildl 2023; 22:84-91. [PMID: 37731591 PMCID: PMC10507586 DOI: 10.1016/j.ijppaw.2023.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/19/2023] [Accepted: 09/02/2023] [Indexed: 09/22/2023]
Abstract
The genus Sarcocystis contains around 200 species and 25 of these infect snakes. Two Sarcocystis spp. shed by snakes have called special attention of the scientific community. S. nesbitti, which is shed by scrub pythons (Simalia amethistina), causes myopathy in humans that consume water or food contaminated with the parasite. Sporocysts of S. singaporensis, excreted by reticulated pythons (Malayopython reticulatus), is letal for rats and was successfully tested in the biological control of these rodents. A high biodiversity of snakes is found in Brazil, however, scarce information is available about Sarcocystis spp. in Brazilian snakes. Herein, we investigated Sarcocystis sp. in feces of the common boa (Boa constrictor) from Salvador, as it is widely distributed in Brazil and it is also bred in other countries. Feces of 65 boas were examined, and Sarcocystis sp. was found in 1/65 (1.53%) snakes. All snakes were alive, and for this reason, intestinal scrapping, which is the most sensitive method to detect the parasite, was not performed. Morphometric evaluation of sporocysts showed significant differences in their sizes. PCR and multilocus sequencing of four genetic markers (cox1, 18S, ITS1, and 28S) revealed that sporocysts corresponded to a new Sarcocystis species. Sequences of cox1 and 18S had identities of 100% and higher than 98%, respectively, with sequences obtained from the rodent Lagostomus maximus in Argentina. ITS1 and 28S sequences did not match with any known Sarcocystis sp. No ITS1 and 28S sequences were available for the Sarcocystis sp. found in the Argentinian L.maximus. Bioassay using the boa sporocysts was conducted in three mouse lineages and in Rattus norvegicus, but no parasitic stages were detected in these rodents. We concluded that the common boa is probably the definitive host of a new species of Sarcocystis sp. that has L. maximus or related rodents as intermediate hosts.
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Affiliation(s)
- Taynar Lima Bezerra
- Department of Anatomy, Pathology and Clinics, Universidade Federal da Bahia, Escola de Medicina Veterinária e Zootecnia, Avenida Adhemar de Barros, 500, Ondina, Salvador, 40170-110, Bahia, Brazil
| | - Rogério Fernando de Jesus
- Department of Anatomy, Pathology and Clinics, Universidade Federal da Bahia, Escola de Medicina Veterinária e Zootecnia, Avenida Adhemar de Barros, 500, Ondina, Salvador, 40170-110, Bahia, Brazil
| | - Rodrigo Martins Soares
- Departament of Preventive Veterinary Medicine and Animal Health, Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo, Av. Prof. Dr.Orlando Marques de Paiva, 87, Cidade Universitária, São Paulo, SP, 05508 270, Brazil
| | - Waléria Borges-Silva
- Department of Anatomy, Pathology and Clinics, Universidade Federal da Bahia, Escola de Medicina Veterinária e Zootecnia, Avenida Adhemar de Barros, 500, Ondina, Salvador, 40170-110, Bahia, Brazil
| | - Luís Fernando Pita Gondim
- Department of Anatomy, Pathology and Clinics, Universidade Federal da Bahia, Escola de Medicina Veterinária e Zootecnia, Avenida Adhemar de Barros, 500, Ondina, Salvador, 40170-110, Bahia, Brazil
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233
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Cunha Neto IL, Rizzieri YC, Cabanillas PA, Martins FM, Marques NF, Somner GV, Acevedo-Rodríguez P, Onyenedum JG. Molecular phylogeny of Urvillea (Paullinieae, Sapindaceae) and its implications in stem vascular diversity. ANNALS OF BOTANY 2023; 132:929-948. [PMID: 37428838 PMCID: PMC10808012 DOI: 10.1093/aob/mcad093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND AND AIMS The tribe Paullinieae has the highest diversity of vascular variants among the seed plants. The developmental diversity is better understood in the species-rich genera Paullinia and Serjania; however, the phylogeny and diversity of vascular variants in the smaller genera of Paullinieae remain understudied. Here we investigate the evolution of development of stem vasculatures in the small genus Urvillea. METHODS We generate the first molecular phylogeny of Urvillea derived from 11 markers using a maximum likelihood and Bayesian approach. In combination with phylogenetic reconstruction, stochastic character mapping is used to assess evolutionary changes in stem ontogenies, determined from developmental anatomy of stems collected in the field or from herbarium and wood collections. KEY RESULTS Urvillea is supported as a monophyletic group and sister to Serjania. There are five stem ontogenies in Urvillea, including typical growth and four different vascular variants. Most stem ontogenies initiate with lobed stems in primary growth. Lobed stems in secondary growth are ancestral in Urvillea, but this ontogeny was lost multiple times. A reversal to typical growth occurred in non-climbing species. Phloem wedges, fissured stems, and ectopic cambia each evolved once independently. Phloem wedges is an intermediate developmental stage in the formation of fissured stems, which is characterized by a continuous fragmentation of vascular tissues. Lobed stems may generate constriction zones and lobes may split or not. CONCLUSIONS Urvillea is the third most diverse genus (after Serjania and Paullinia) with respect to the number of vascular variants within Paullinieae. One ontogeny (fissured stems) is exclusive to the genus. Differential cambial activity and ectopic cambia are the main ontogenetic processes generating stem diversity. The evolutionary history of vascular variants demonstrates the large developmental plasticity of the cambium in such a small genus and further demonstrates that complex anatomies have repeatedly evolved within Paullinieae lianas.
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Affiliation(s)
- Israel L Cunha Neto
- School of Integrative Plant Sciences and L. H. Bailey Hortorium, Cornell University, Ithaca, NY 14853, USA
| | - Yanã C Rizzieri
- School of Integrative Plant Sciences and L. H. Bailey Hortorium, Cornell University, Ithaca, NY 14853, USA
| | - Pablo A Cabanillas
- Cátedra de Dendrología, Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, Diagonal 113 No. 469 esquina 117, CP 1900, La Plata, Argentina
| | - Fabiano M Martins
- Universidade Federal do Recôncavo da Bahia, Centro de Ciências Agrárias, Ambientais e Biológicas, CP 44380-000, Cruz das Almas, BA, Brazil
| | - Natália F Marques
- Museu Nacional, Universidade Federal do Rio de Janeiro (UFRJ), Quinta da Boa Vista, São Cristóvão, 20940-040, s.n. Rio de Janeiro, RJ, Brazil
| | - Genise V Somner
- Universidade Federal Rural do Rio de Janeiro, Instituto de Ciências Biológicas e da Saúde, Departamento de Botânica, CP 74582, 23851-970 Rio de Janeiro, RJ, Brazil
| | - Pedro Acevedo-Rodríguez
- Department of Botany, Smithsonian National Museum of Natural History, 10th Street and Constitution Avenue NW, Washington, DC 20560, USA
| | - Joyce G Onyenedum
- School of Integrative Plant Sciences and L. H. Bailey Hortorium, Cornell University, Ithaca, NY 14853, USA
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234
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Dvořák T, Knapp M. Conserved temperature requirements but contrasting responses to humidity across oviposition preferences in temperate grasshoppers. Sci Rep 2023; 13:21131. [PMID: 38036615 PMCID: PMC10689742 DOI: 10.1038/s41598-023-47789-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 11/18/2023] [Indexed: 12/02/2023] Open
Abstract
The right choice of an oviposition site is a crucial task for oviparous species without maternal care. In contrast to well investigated biotic factors, e.g., larval food preferences, parasitism, predation, and competition avoiding, abiotic factors affecting oviposition preferences in insects have been rarely investigated in comparative studies. To improve our current understanding of oviposition site selection in Orthoptera, we investigated the influence of substrate temperature and moisture on the oviposition behaviour of 14 temperate grasshopper species. Conspecific groups of adults were kept in arenas with simultaneous temperature and moisture gradients. For each ootheca produced during the experiment (n = 1192) we recorded its depth and local microclimatic conditions. Our results indicate that microclimatic oviposition preferences significantly differ among species, however, correlations between adult habitat preferences and microclimatic oviposition preferences were surprisingly weak. Even oligothermic species preferred substrate temperatures around 30 °C and some xerothermic species preferred higher humidity. The hypothesized tendency to place oothecae closer to the ground within grass tussocks under hot and dry conditions was confirmed. It is possible that species evaluate microclimatic conditions for oviposition in the context of occupied habitat, i.e., in a relative rather than absolute manner.
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Affiliation(s)
- Tomáš Dvořák
- Department of Zoology, Faculty of Science, Charles University, Viničná 7, Prague 2, 128 00, Czech Republic.
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague-Suchdol, 165 00, Czech Republic.
| | - Michal Knapp
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague-Suchdol, 165 00, Czech Republic
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Doliwa A, Grabner D, Sures B, Dunthorn M. Comparing Microsporidia-targeting primers for environmental DNA sequencing. Parasite 2023; 30:52. [PMID: 38015008 PMCID: PMC10683580 DOI: 10.1051/parasite/2023056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/13/2023] [Indexed: 11/29/2023] Open
Abstract
Metabarcoding is a powerful tool to detect classical, and well-known "long-branch" Microsporidia in environmental samples. Several primer pairs were developed to target these unique microbial parasites, the majority of which remain undetected when using general metabarcoding primers. Most of these Microsporidia-targeting primer pairs amplify fragments of different length of the small subunit ribosomal RNA (SSU-rRNA) gene. However, we lack a broad comparison of the efficacy of those primers. Here, we conducted in silico PCRs with three short-read (which amplify a few-hundred base pairs) and two long-read (which amplify over a thousand base pairs) metabarcoding primer pairs on a variety of publicly available Microsporidia sensu lato SSU-rRNA gene sequences to test which primers capture most of the Microsporidia diversity. Our results indicate that the primer pairs do result in slight differences in inferred richness. Furthermore, some of the reverse primers are also able to bind to microsporidian subtaxa beyond the classical Microsporidia, which include the metchnikovellidan Amphiamblys spp., the chytridiopsid Chytridiopsis typographi and the "short-branch" microsporidian Mitosporidium daphniae.
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Affiliation(s)
- Annemie Doliwa
- Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen Universitätsstrasse 5 45141 Essen Germany
| | - Daniel Grabner
- Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen Universitätsstrasse 5 45141 Essen Germany
| | - Bernd Sures
- Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen Universitätsstrasse 5 45141 Essen Germany
- Research Center One Health Ruhr, Research Alliance Ruhr, University of Duisburg-Essen 45141 Essen Germany
| | - Micah Dunthorn
- Natural History Museum, University of Oslo 0562 Oslo Norway
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236
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Stevens L, Martínez-Ugalde I, King E, Wagah M, Absolon D, Bancroft R, Gonzalez de la Rosa P, Hall JL, Kieninger M, Kloch A, Pelan S, Robertson E, Pedersen AB, Abreu-Goodger C, Buck AH, Blaxter M. Ancient diversity in host-parasite interaction genes in a model parasitic nematode. Nat Commun 2023; 14:7776. [PMID: 38012132 PMCID: PMC10682056 DOI: 10.1038/s41467-023-43556-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 11/13/2023] [Indexed: 11/29/2023] Open
Abstract
Host-parasite interactions exert strong selection pressures on the genomes of both host and parasite. These interactions can lead to negative frequency-dependent selection, a form of balancing selection that is hypothesised to explain the high levels of polymorphism seen in many host immune and parasite antigen loci. Here, we sequence the genomes of several individuals of Heligmosomoides bakeri, a model parasite of house mice, and Heligmosomoides polygyrus, a closely related parasite of wood mice. Although H. bakeri is commonly referred to as H. polygyrus in the literature, their genomes show levels of divergence that are consistent with at least a million years of independent evolution. The genomes of both species contain hyper-divergent haplotypes that are enriched for proteins that interact with the host immune response. Many of these haplotypes originated prior to the divergence between H. bakeri and H. polygyrus, suggesting that they have been maintained by long-term balancing selection. Together, our results suggest that the selection pressures exerted by the host immune response have played a key role in shaping patterns of genetic diversity in the genomes of parasitic nematodes.
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Affiliation(s)
- Lewis Stevens
- Tree of Life, Wellcome Sanger Institute, Hinxton, UK.
| | - Isaac Martínez-Ugalde
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - Erna King
- Tree of Life, Wellcome Sanger Institute, Hinxton, UK
| | - Martin Wagah
- Tree of Life, Wellcome Sanger Institute, Hinxton, UK
| | | | - Rowan Bancroft
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | | | - Jessica L Hall
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | | | | | - Sarah Pelan
- Tree of Life, Wellcome Sanger Institute, Hinxton, UK
| | - Elaine Robertson
- Institute of Immunology & Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - Amy B Pedersen
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - Cei Abreu-Goodger
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - Amy H Buck
- Institute of Immunology & Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - Mark Blaxter
- Tree of Life, Wellcome Sanger Institute, Hinxton, UK.
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237
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Antonova A, Kazennova E, Lebedev A, Ozhmegova E, Kuznetsova A, Tumanov A, Bobkova M. Recombinant Forms of HIV-1 in the Last Decade of the Epidemic in the Russian Federation. Viruses 2023; 15:2312. [PMID: 38140553 PMCID: PMC10748268 DOI: 10.3390/v15122312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Currently, HIV-1 displays a substantial level of genetic diversity on a global scale, partly attributed to its recombinant variants. This study seeks to identify and analyze HIV-1 recombinants in Russia during the last decade of the epidemic. A comprehensive examination was conducted, encompassing 3178 partial pol sequences. Subtyping was achieved through various programs including COMET, the Stanford Database, REGA, jpHMM, RIP, and RDP4 for recombination analysis. The study also involved phylogenetic analysis to trace the origins of the identified recombinants. Primary resistance (PrimDR) prevalence and Drug Resistance Mutations (DRMs) were assessed. The study uncovered an overall proportion of recombinants at 8.7%, with a statistically significant increase in their frequency observed over time (p < 0.001). The Northwestern (18.5%) and Siberian (15.0%) Federal Districts exhibited a high prevalence of recombinants, while the Volga (1.9%) and Ural (2.8%) Federal Districts had a lower prevalence. Among HIV-1 recombinants, a PrimDR prevalence of 11.4% was identified. Notably, significant differences in DRMs were observed, with a higher prevalence of M184V in sub-subtype A6 (p = 0.018) and K103N in CRF63_02A6 (p = 0.002). These findings underscore the increasing HIV-1 genetic diversity and highlight a substantial prevalence of PrimDR among its recombinant forms, emphasizing the necessity for ongoing systematic monitoring.
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Affiliation(s)
- Anastasiia Antonova
- The National Research Center for Epidemiology and Microbiology Named after Honorary Academician N.F. Gamaleya of the Ministry of Health of the Russian Federation, 123098 Moscow, Russia; (E.K.); (A.L.); (E.O.); (A.K.); (A.T.)
| | - Elena Kazennova
- The National Research Center for Epidemiology and Microbiology Named after Honorary Academician N.F. Gamaleya of the Ministry of Health of the Russian Federation, 123098 Moscow, Russia; (E.K.); (A.L.); (E.O.); (A.K.); (A.T.)
| | - Aleksey Lebedev
- The National Research Center for Epidemiology and Microbiology Named after Honorary Academician N.F. Gamaleya of the Ministry of Health of the Russian Federation, 123098 Moscow, Russia; (E.K.); (A.L.); (E.O.); (A.K.); (A.T.)
| | - Ekaterina Ozhmegova
- The National Research Center for Epidemiology and Microbiology Named after Honorary Academician N.F. Gamaleya of the Ministry of Health of the Russian Federation, 123098 Moscow, Russia; (E.K.); (A.L.); (E.O.); (A.K.); (A.T.)
| | - Anna Kuznetsova
- The National Research Center for Epidemiology and Microbiology Named after Honorary Academician N.F. Gamaleya of the Ministry of Health of the Russian Federation, 123098 Moscow, Russia; (E.K.); (A.L.); (E.O.); (A.K.); (A.T.)
| | - Aleksandr Tumanov
- The National Research Center for Epidemiology and Microbiology Named after Honorary Academician N.F. Gamaleya of the Ministry of Health of the Russian Federation, 123098 Moscow, Russia; (E.K.); (A.L.); (E.O.); (A.K.); (A.T.)
| | - Marina Bobkova
- I. Mechnikov Research Institute for Vaccines and Sera, 105064 Moscow, Russia;
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238
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Márquez-Sanz R, Gorjón SP, Salcedo I, Olariaga I. Hydnum pallidum Raddi, the Correct Name for H. albidum Peck in the Sense of European Authors and the Recently Described H. reginae Kibby, Liimat. & Niskanen. J Fungi (Basel) 2023; 9:1141. [PMID: 38132742 PMCID: PMC10744077 DOI: 10.3390/jof9121141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/18/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
The systematics of the genus Hydnum have undergone important advances, and many new species have been described with the aid of molecular data. A revision of old names that refer to Hydnum s. str., considering the knowledge now available, might reveal prioritary names of recently described species. This study focuses on the study of names that refer to white Hydnum in Europe, among which earlier synonyms of Hydnum reginae (=Hydnum albidum s. auct. pl. eur.) are potentially found, a species characterized by producing white basidiomata and smaller spores than any other European species. Our revision revealed the existence of three earlier names based on European material, namely H. pallidum Raddi, H. album Fr. and H. heimii Maas Geest. The earliest of those, Hydnum pallidum, is epitypified using material from Tuscany (Italy), from where it was originally described, and hence, it becomes the correct name for H. albidum s. auct. pl. eur. A full description and photographs of H. pallidum are provided, and further comments on other names that refer to white Hydnum based on European material are made.
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Affiliation(s)
- Rodrigo Márquez-Sanz
- Biology and Geology, Physics and Inorganic Chemistry Department, Rey Juan Carlos University, C/Tulipán s/n, 28933 Móstoles, Spain;
| | - Sergio Pérez Gorjón
- Department of Botany and Plant Physiology, Faculty of Biology, Plant DNA-Biobank, University of Salamanca. C/Licenciado Méndez Nieto s/n, 37007 Salamanca, Spain;
| | - Isabel Salcedo
- Department of Plant Biology and Ecology (Botany), University of the Basque Country (UPV/EHU), Apdo 644, 48080 Bilbao, Spain;
| | - Ibai Olariaga
- Biology and Geology, Physics and Inorganic Chemistry Department, Rey Juan Carlos University, C/Tulipán s/n, 28933 Móstoles, Spain;
- Aranzadi Society of Sciences, Mycology Section, Zorroagagaina 11, 20014 Donostia-San Sebastián, Spain
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239
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Saadi AJ, de Oliveira AL, Kocot KM, Schwaha T. Genomic and transcriptomic survey of bryozoan Hox and ParaHox genes with emphasis on phylactolaemate bryozoans. BMC Genomics 2023; 24:711. [PMID: 38001438 PMCID: PMC10675955 DOI: 10.1186/s12864-023-09826-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/22/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Bryozoans are mostly sessile aquatic colonial invertebrates belonging to the clade Lophotrochozoa, which unites many protostome bilaterian phyla such as molluscs, annelids and brachiopods. While Hox and ParaHox genes have been extensively studied in various lophotrochozoan lineages, investigations on Hox and ParaHox gene complements in bryozoans are scarce. RESULTS Herein, we present the most comprehensive survey of Hox and ParaHox gene complements in bryozoans using four genomes and 35 transcriptomes representing all bryozoan clades: Cheilostomata, Ctenostomata, Cyclostomata and Phylactolaemata. Using similarity searches, phylogenetic analyses and detailed manual curation, we have identified five Hox genes in bryozoans (pb, Dfd, Lox5, Lox4 and Post2) and one ParaHox gene (Cdx). Interestingly, we observed lineage-specific duplication of certain Hox and ParaHox genes (Dfd, Lox5 and Cdx) in some bryozoan lineages. CONCLUSIONS The bryozoan Hox cluster does not retain the ancestral lophotrochozoan condition but appears relatively simple (includes only five genes) and broken into two genomic regions, characterized by the loss and duplication of serval genes. Importantly, bryozoans share the lack of two Hox genes (Post1 and Scr) with their proposed sister-taxon, Phoronida, which suggests that those genes were missing in the most common ancestor of bryozoans and phoronids.
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Affiliation(s)
- Ahmed J Saadi
- Department of Evolutionary Biology, Unit for Integrative Zoology, University of Vienna, Schlachthausgasse 43, Vienna, A-1030, Austria.
| | - André Luiz de Oliveira
- Department of Symbiosis, Max-Planck-Institute for Marine Microbiology, Celsiustraße,1, D-28359, Bremen, Germany
| | - Kevin M Kocot
- Department of Biological Sciences and Alabama Museum of Natural History, University of Alabama, Tuscaloosa, Alabama, 35487, USA
| | - Thomas Schwaha
- Department of Evolutionary Biology, Unit for Integrative Zoology, University of Vienna, Schlachthausgasse 43, Vienna, A-1030, Austria
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240
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Zumajo-Cardona C, Gabrieli F, Anire J, Albertini E, Ezquer I, Colombo L. Evolutionary studies of the bHLH transcription factors belonging to MBW complex: their role in seed development. ANNALS OF BOTANY 2023; 132:383-400. [PMID: 37467144 PMCID: PMC10667011 DOI: 10.1093/aob/mcad097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 07/17/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND AND AIMS The MBW complex consist of proteins belonging to three major families (MYB, bHLH and WDR) involved in various processes throughout plant development: epidermal cell development, mucilage secretory cells and flavonoid biosynthesis. Recently, it has been reported that TT8, encoding a bHLH transcription factor, is involved in the biosynthesis of flavonoids in the seed coat and it also plays a role in bypassing the postzygotic barrier resulting from an unbalance in genetic loads of the parental lines. Here, we focus on the functional evolution, in seed development, of the bHLH proteins that are part of the MBW complex, complemented with a literature review. METHODS Phylogenetic analyses performed across seed plants and expression analyses in the reproductive tissues of four selected angiosperms (Arabidopsis thaliana, Brassica napus, Capsella rubella and Solanum lycopersicum) allow us to hypothesize on the evolution of its functions. KEY RESULTS TT8 expression in the innermost layer of the seed coat is conserved in the selected angiosperms. However, except for Arabidopsis, TT8 is also expressed in ovules, carpels and fruits. The homologues belonging to the sister clade of TT8, EGL3/GL3, involved in trichome development, are expressed in the outermost layer of the seed coat, suggesting potential roles in mucilage. CONCLUSIONS The ancestral function of these genes appears to be flavonoid biosynthesis, and the conservation of TT8 expression patterns in the innermost layer of the seed coat in angiosperms suggests that their function in postzygotic barriers might also be conserved. Moreover, the literature review and the results of the present study suggest a sophisticated association, linking the mechanisms of action of these genes to the cross-communication activity between the different tissues of the seed. Thus, it provides avenues to study the mechanisms of action of TT8 in the postzygotic triploid block, which is crucial because it impacts seed development in unbalanced crosses.
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Affiliation(s)
- Cecilia Zumajo-Cardona
- Department of BioScience, Università degli Studi di Milano, Via Celoria 26, 20133 Milano, Italy
| | - Flavio Gabrieli
- Agricultural, Food and Environmental Sciences, University of Perugia, Borgo XX Giugno 74, Perugia, Italy
- Dipartimento di Ingegneria Industriale DII, University of Padua, via Gradenigo, 6/a, Padova, Italy
| | - Jovannemar Anire
- Department of BioScience, Università degli Studi di Milano, Via Celoria 26, 20133 Milano, Italy
- Wageningen UR Plant Breeding, Droevendaalsesteeg 1, NL-6708 PB Wageningen, The Netherlands
- National Coconut Research Center – Visayas, Visayas State University, Baybay City, Leyte, Philippines
| | - Emidio Albertini
- Agricultural, Food and Environmental Sciences, University of Perugia, Borgo XX Giugno 74, Perugia, Italy
| | - Ignacio Ezquer
- Department of BioScience, Università degli Studi di Milano, Via Celoria 26, 20133 Milano, Italy
| | - Lucia Colombo
- Department of BioScience, Università degli Studi di Milano, Via Celoria 26, 20133 Milano, Italy
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241
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Nakamura M, Oguchi K, Sato DS, Kato S, Okanishi M, Hayashi Y, Aguado MT, Miura T. Morphological, histological and gene-expression analyses on stolonization in the Japanese Green Syllid, Megasyllis nipponica (Annelida, Syllidae). Sci Rep 2023; 13:19419. [PMID: 37993494 PMCID: PMC10665476 DOI: 10.1038/s41598-023-46358-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/31/2023] [Indexed: 11/24/2023] Open
Abstract
Benthic annelids belonging to the family Syllidae (Annelida, Errantia, Phyllodocida) exhibit a unique reproduction mode called "schizogamy" or "stolonization", in which the posterior body part filled with gametes detaches from the original body, as a reproductive unit (stolon) that autonomously swims and spawns. In this study, morphological and histological observations on the developmental processes during stolonization were carried out in Megasyllis nipponica. Results suggest that the stolon formation started with maturation of gonads, followed by the formation of a head ganglion in the anteriormost segment of the developing stolon. Then, the detailed stolon-specific structures such as stolon eyes and notochaetae were formed. Furthermore, expression profiles of genes involved in the anterior-posterior identity (Hox genes), head determination, germ-line, and hormone regulation were compared between anterior and posterior body parts during the stolonization process. The results reveal that, in the posterior body part, genes for gonadal development were up-regulated, followed by hormone-related genes and head-determination genes. Unexpectedly, Hox genes known to identify body parts along the anterior-posterior axis showed no significant temporal expression changes. These findings suggest that during stolonization, gonad development induces the head formation of a stolon, without up-regulation of anterior Hox genes.
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Affiliation(s)
- Mayuko Nakamura
- Misaki Marine Biological Station, School of Science, The University of Tokyo, Misaki, Miura, Kanagawa, 238-0225, Japan
| | - Kohei Oguchi
- Misaki Marine Biological Station, School of Science, The University of Tokyo, Misaki, Miura, Kanagawa, 238-0225, Japan
| | - Daisuke S Sato
- Misaki Marine Biological Station, School of Science, The University of Tokyo, Misaki, Miura, Kanagawa, 238-0225, Japan
| | - Sumika Kato
- Misaki Marine Biological Station, School of Science, The University of Tokyo, Misaki, Miura, Kanagawa, 238-0225, Japan
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo, Tokyo, 113-0033, Japan
| | - Masanori Okanishi
- Misaki Marine Biological Station, School of Science, The University of Tokyo, Misaki, Miura, Kanagawa, 238-0225, Japan
- Faculty of Human Environmental Studies, Hiroshima Shudo University, Ozuka-Higashi, Asaminami, Hiroshima, 731-3195, Japan
| | - Yoshinobu Hayashi
- Department of Biology, Keio University, Hiyoshi, Yokohama, 223-8521, Japan
| | - M Teresa Aguado
- Animal Evolution and Biodiversity, Georg-August-Universität Göttingen, 37073, Göttingen, Germany
| | - Toru Miura
- Misaki Marine Biological Station, School of Science, The University of Tokyo, Misaki, Miura, Kanagawa, 238-0225, Japan.
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242
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Sives S, Keep S, Bickerton E, Vervelde L. Revealing Novel-Strain-Specific and Shared Epitopes of Infectious Bronchitis Virus Spike Glycoprotein Using Chemical Linkage of Peptides onto Scaffolds Precision Epitope Mapping. Viruses 2023; 15:2279. [PMID: 38005955 PMCID: PMC10675791 DOI: 10.3390/v15112279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
The avian coronavirus, infectious bronchitis virus (IBV), is an economically important infectious disease affecting chickens, with a diverse range of serotypes found globally. The major surface protein, spike (S), has high diversity between serotypes, and amino acid differences in the S1 sub-unit are thought to be responsible for poor cross-protection afforded by vaccination. Here, we attempt to address this, by using epitope mapping technology to identify shared and serotype-specific immunogenic epitopes of the S glycoprotein of three major circulating strains of IBV, M41, QX, and 4/91, via CLIPS peptide arrays based on peptides from the S1 sub-units. The arrays were screened with sera from chickens immunised with recombinant IBV, based on Beau-R backbone expressing heterologous S, generated in two independent vaccination/challenge trials. The screening of sera from rIBV vaccination experiments led to the identification of 52 immunogenic epitopes on the S1 of M41, QX, and 4/91. The epitopes were assigned into six overlapping epitope binding regions. Based on accessibility and location in the hypervariable regions of S, three sequences, 25YVYYYQSAFRPPNGWHLQGGAYAVVNSTN54, 67TVGVIKDVYNQSVASI82, and 83AMTVPPAGMSWSVS96, were selected for further investigation, and synthetic peptide mimics were recognised by polyclonal sera. These epitopes may have the potential to contribute towards a broader cross-protective IBV vaccine.
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Affiliation(s)
- Samantha Sives
- Division of Immunology, The Roslin Institute & R(D)SVS, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, UK;
| | - Sarah Keep
- The Pirbright Institute, Ash Road, Woking GU24 0NF, UK (E.B.)
| | - Erica Bickerton
- The Pirbright Institute, Ash Road, Woking GU24 0NF, UK (E.B.)
| | - Lonneke Vervelde
- Division of Immunology, The Roslin Institute & R(D)SVS, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, UK;
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243
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Qian J, Ibrahim HMM, Erz M, Kümmel F, Panstruga R, Kusch S. Long noncoding RNAs emerge from transposon-derived antisense sequences and may contribute to infection stage-specific transposon regulation in a fungal phytopathogen. Mob DNA 2023; 14:17. [PMID: 37964319 PMCID: PMC10648671 DOI: 10.1186/s13100-023-00305-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/18/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND The genome of the obligate biotrophic phytopathogenic barley powdery mildew fungus Blumeria hordei is inflated due to highly abundant and possibly active transposable elements (TEs). In the absence of the otherwise common repeat-induced point mutation transposon defense mechanism, noncoding RNAs could be key for regulating the activity of TEs and coding genes during the pathogenic life cycle. RESULTS We performed time-course whole-transcriptome shotgun sequencing (RNA-seq) of total RNA derived from infected barley leaf epidermis at various stages of fungal pathogenesis and observed significant transcript accumulation and time point-dependent regulation of TEs in B. hordei. Using a manually curated consensus database of 344 TEs, we discovered phased small RNAs mapping to 104 consensus transposons, suggesting that RNA interference contributes significantly to their regulation. Further, we identified 5,127 long noncoding RNAs (lncRNAs) genome-wide in B. hordei, of which 823 originated from the antisense strand of a TE. Co-expression network analysis of lncRNAs, TEs, and coding genes throughout the asexual life cycle of B. hordei points at extensive positive and negative co-regulation of lncRNAs, subsets of TEs and coding genes. CONCLUSIONS Our work suggests that similar to mammals and plants, fungal lncRNAs support the dynamic modulation of transcript levels, including TEs, during pivotal stages of host infection. The lncRNAs may support transcriptional diversity and plasticity amid loss of coding genes in powdery mildew fungi and may give rise to novel regulatory elements and virulence peptides, thus representing key drivers of rapid evolutionary adaptation to promote pathogenicity and overcome host defense.
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Affiliation(s)
- Jiangzhao Qian
- Unit of Plant Molecular Cell Biology, Institute for Biology I, RWTH Aachen University, Worringerweg 1, 52056, Aachen, Germany
| | - Heba M M Ibrahim
- Department of Biosystems, Division of Plant Biotechnics, Faculty of Bioscience Engineering, Katholieke Universiteit Leuven, 3001, Leuven, Belgium
- Present address: Institute of Bio- and Geosciences IBG-2, Forschungszentrum Jülich, 52425, Jülich, Germany
| | - Myriam Erz
- Unit of Plant Molecular Cell Biology, Institute for Biology I, RWTH Aachen University, Worringerweg 1, 52056, Aachen, Germany
| | - Florian Kümmel
- Unit of Plant Molecular Cell Biology, Institute for Biology I, RWTH Aachen University, Worringerweg 1, 52056, Aachen, Germany
- Present address: Department of Plant-Microbe Interactions, Max Planck Institute for Plant Breeding Research, Carl-Von-Linné-Weg 10, 50829, Cologne, Germany
| | - Ralph Panstruga
- Unit of Plant Molecular Cell Biology, Institute for Biology I, RWTH Aachen University, Worringerweg 1, 52056, Aachen, Germany
| | - Stefan Kusch
- Unit of Plant Molecular Cell Biology, Institute for Biology I, RWTH Aachen University, Worringerweg 1, 52056, Aachen, Germany.
- Present address: Institute of Bio- and Geosciences IBG-4, Forschungszentrum Jülich, 52425, Jülich, Germany.
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244
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Singh K, Natarajan V, Dewar R, Rupert A, Badralmaa Y, Zhai T, Winchester N, Scrimieri F, Smith M, Davis I, Lallemand P, Giglietti A, Hensien J, Buerkert T, Goshu B, Rehm CA, Hu Z, Lane HC, Imamichi H. Long-term persistence of transcriptionally active 'defective' HIV-1 proviruses: implications for persistent immune activation during antiretroviral therapy. AIDS 2023; 37:2119-2130. [PMID: 37555786 PMCID: PMC10615727 DOI: 10.1097/qad.0000000000003667] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/17/2023] [Accepted: 07/22/2023] [Indexed: 08/10/2023]
Abstract
OBJECTIVES People with HIV-1 (PWH) on effective antiretroviral therapy (ART) continue to exhibit chronic systemic inflammation, immune activation, and persistent elevations in markers of HIV-1 infection [including HIV-DNA, cell-associated HIV-RNA (CA HIV-RNA), and antibodies to HIV-1 proteins] despite prolonged suppression of plasma HIV-RNA levels less than 50 copies/ml. Here, we investigated the hypothesis that nonreplicating but transcriptionally and translationally competent 'defective' HIV-1 proviruses may be one of drivers of these phenomena. DESIGN A combined cohort of 23 viremic and virologically suppressed individuals on ART were studied. METHODS HIV-DNA, CA HIV-RNA, western blot score (measure of anti-HIV-1 antibodies as a surrogate for viral protein expression in vivo ), and key biomarkers of inflammation and coagulation (IL-6, hsCRP, TNF-alpha, tissue factor, and D-dimer) were measured in peripheral blood and analyzed using a combined cross-sectional and longitudinal approaches. Sequences of HIV-DNA and CA HIV-RNA obtained via 5'-LTR-to-3'-LTR PCR and single-genome sequencing were also analyzed. RESULTS We observed similar long-term persistence of multiple, unique, transcriptionally active 'defective' HIV-1 provirus clones (average: 11 years., range: 4-20 years) and antibody responses against HIV-1 viral proteins among all ART-treated participants evaluated. A direct correlation was observed between the magnitude of HIV-1 western blot score and the levels of transcription of 'defective' HIV-1 proviruses ( r = 0.73, P < 0.01). Additional correlations were noted between total CD8 + T-cell counts and HIV-DNA ( r = 0.52, P = 0.01) or CA HIV-RNA ( r = 0.65, P < 0.01). CONCLUSION These findings suggest a novel interplay between transcription and translation of 'defective' HIV-1 proviruses and the persistent immune activation seen in the setting of treated chronic HIV-1 infection.
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Affiliation(s)
- Kanal Singh
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Ven Natarajan
- Frederick National Laboratory for Cancer Research, Frederick
| | - Robin Dewar
- Frederick National Laboratory for Cancer Research, Frederick
| | - Adam Rupert
- Frederick National Laboratory for Cancer Research, Frederick
| | - Yuden Badralmaa
- Frederick National Laboratory for Cancer Research, Frederick
| | - Tracey Zhai
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Nicole Winchester
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | | | - Mindy Smith
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Ivery Davis
- Frederick National Laboratory for Cancer Research, Frederick
| | | | - Aude Giglietti
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Jack Hensien
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Thomas Buerkert
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Bruktawit Goshu
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Catherine A. Rehm
- Clinical Research Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH
| | - Zonghui Hu
- Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - H. Clifford Lane
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
| | - Hiromi Imamichi
- Clinical and Molecular Retrovirology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda
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Gál B, Varga-Kugler R, Ihász K, Kaszab E, Farkas S, Marton S, Martella V, Bányai K. A Snapshot on the Genomic Epidemiology of Turkey Reovirus Infections, Hungary. Animals (Basel) 2023; 13:3504. [PMID: 38003122 PMCID: PMC10668827 DOI: 10.3390/ani13223504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/29/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Reovirus infections in turkeys are associated with arthritis and lameness. Viral genome sequence data are scarce, which makes an accurate description of the viral evolution and epidemiology difficult. In this study, we isolated and characterized turkey reoviruses from Hungary. The isolates were identified in 2016; these isolates were compared with earlier Hungarian turkey reovirus strains and turkey reoviruses isolated in the 2010s in the United States. Gene-wise sequence and phylogenetic analyses identified the cell-receptor binding protein and the main neutralization antigen, σC, to be the most conserved. The most genetically diverse gene was another surface antigen coding gene, μB. This gene was shown to undergo frequent reassortment among chicken and turkey origin reoviruses. Additional reassortment events were found primarily within members of the homologous turkey reovirus clade. Our data showed evidence for low variability among strains isolated from independent outbreaks, a finding that suggests a common source of turkey reoviruses in Hungarian turkey flocks. Given that commercial vaccines are not available, identification of the source of these founder virus strains would permit a more efficient prevention of disease outbreaks before young birds are settled to fattening facilities.
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Affiliation(s)
- Bence Gál
- Intervet Hungária Kft, Lechner Odon Fasor 10/b, H-1095 Budapest, Hungary;
| | - Renáta Varga-Kugler
- Veterinary Medical Research Institute, Hungária krt. 21, H-1143 Budapest, Hungary; (R.V.-K.); (K.I.); (E.K.); (S.M.)
- National Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, Hungária krt. 21, H-1143 Budapest, Hungary
| | - Katalin Ihász
- Veterinary Medical Research Institute, Hungária krt. 21, H-1143 Budapest, Hungary; (R.V.-K.); (K.I.); (E.K.); (S.M.)
| | - Eszter Kaszab
- Veterinary Medical Research Institute, Hungária krt. 21, H-1143 Budapest, Hungary; (R.V.-K.); (K.I.); (E.K.); (S.M.)
- National Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, Hungária krt. 21, H-1143 Budapest, Hungary
- Institute of Metagenomics, University of Debrecen, Nagyerdei krt. 98, H-4032 Debrecen, Hungary
| | - Szilvia Farkas
- Department of Obstetrics and Food Animal Medicine Clinic, University of Veterinary Medicine, István utca 2, H-1078 Budapest, Hungary;
| | - Szilvia Marton
- Veterinary Medical Research Institute, Hungária krt. 21, H-1143 Budapest, Hungary; (R.V.-K.); (K.I.); (E.K.); (S.M.)
- National Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, Hungária krt. 21, H-1143 Budapest, Hungary
| | - Vito Martella
- Department of Veterinary Medicine, University of Bari, Aldo Moro, S.P. per Casamassima km 3, 70010 Valenzano, Italy;
| | - Krisztián Bányai
- Veterinary Medical Research Institute, Hungária krt. 21, H-1143 Budapest, Hungary; (R.V.-K.); (K.I.); (E.K.); (S.M.)
- National Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, Hungária krt. 21, H-1143 Budapest, Hungary
- Department of Pharmacology and Toxicology, University of Veterinary Medicine, István utca 2, H-1078 Budapest, Hungary
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Kuznetsova A, Kim K, Tumanov A, Munchak I, Antonova A, Lebedev A, Ozhmegova E, Orlova-Morozova E, Drobyshevskaya E, Pronin A, Prilipov A, Kazennova E. Features of Tat Protein in HIV-1 Sub-Subtype A6 Variants Circulating in the Moscow Region, Russia. Viruses 2023; 15:2212. [PMID: 38005889 PMCID: PMC10675479 DOI: 10.3390/v15112212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/02/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
Tat, the trans-activator of transcription, is a multifunctional HIV-1 protein that can induce chronic inflammation and the development of somatic diseases in HIV-infected patients. Natural polymorphisms in Tat can impact the propagation of the inflammatory signal. Currently, Tat is considered an object for creating new therapeutic agents. Therefore, the identification of Tat protein features in various HIV-1 variants is a relevant task. The purpose of the study was to characterize the genetic variations of Tat-A6 in virus variants circulating in the Moscow Region. The authors analyzed 252 clinical samples from people living with HIV (PLWH) with different stages of HIV infection. Nested PCR for two fragments (tat1, tat2) with subsequent sequencing, subtyping, and statistical analysis was conducted. The authors received 252 sequences for tat1 and 189 for tat2. HIV-1 sub-subtype A6 was identified in 250 samples. The received results indicated the features of Tat1-A6 in variants of viruses circulating in the Moscow Region. In PLWH with different stages of HIV infection, C31S in Tat1-A6 was detected with different occurrence rates. It was demonstrated that Tat2-A6, instead of a functional significant 78RGD80 motif, had a 78QRD80 motif. Herewith, G79R in Tat2-A6 was defined as characteristic amino acid substitution for sub-subtype A6. Tat2-A6 in variants of viruses circulating in the Moscow Region demonstrated high conservatism.
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Affiliation(s)
- Anna Kuznetsova
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Kristina Kim
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Alexander Tumanov
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Iana Munchak
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Anastasiia Antonova
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Aleksey Lebedev
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
- Mechnikov Scientific Research Institute of Vaccines and Serums, 105064 Moscow, Russia
| | - Ekaterina Ozhmegova
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Elena Orlova-Morozova
- Moscow Regional Center for the Prevention and Control of AIDS and Infectious Diseases, 129110 Moscow, Russia; (E.O.-M.); (E.D.); (A.P.)
| | - Elena Drobyshevskaya
- Moscow Regional Center for the Prevention and Control of AIDS and Infectious Diseases, 129110 Moscow, Russia; (E.O.-M.); (E.D.); (A.P.)
| | - Alexander Pronin
- Moscow Regional Center for the Prevention and Control of AIDS and Infectious Diseases, 129110 Moscow, Russia; (E.O.-M.); (E.D.); (A.P.)
| | - Aleksey Prilipov
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
| | - Elena Kazennova
- Gamaleya National Research Center for Epidemiology and Microbiology, 123098 Moscow, Russia; (K.K.); (A.T.); (I.M.); (A.A.); (A.L.); (E.O.); (A.P.); (E.K.)
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Holt CC, Hehenberger E, Tikhonenkov DV, Jacko-Reynolds VKL, Okamoto N, Cooney EC, Irwin NAT, Keeling PJ. Multiple parallel origins of parasitic Marine Alveolates. Nat Commun 2023; 14:7049. [PMID: 37923716 PMCID: PMC10624901 DOI: 10.1038/s41467-023-42807-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/20/2023] [Indexed: 11/06/2023] Open
Abstract
Microbial eukaryotes are important components of marine ecosystems, and the Marine Alveolates (MALVs) are consistently both abundant and diverse in global environmental sequencing surveys. MALVs are dinoflagellates that are thought to be parasites of other protists and animals, but the lack of data beyond ribosomal RNA gene sequences from all but a few described species means much of their biology and evolution remain unknown. Using single-cell transcriptomes from several MALVs and their free-living relatives, we show that MALVs evolved independently from two distinct, free-living ancestors and that their parasitism evolved in parallel. Phylogenomics shows one subgroup (MALV-II and -IV, or Syndiniales) is related to a novel lineage of free-living, eukaryovorous predators, the eleftherids, while the other (MALV-I, or Ichthyodinida) is related to the free-living predator Oxyrrhis and retains proteins targeted to a non-photosynthetic plastid. Reconstructing the evolution of photosynthesis, plastids, and parasitism in early-diverging dinoflagellates shows a number of parallels with the evolution of their apicomplexan sisters. In both groups, similar forms of parasitism evolved multiple times and photosynthesis was lost many times. By contrast, complete loss of the plastid organelle is infrequent and, when this does happen, leaves no residual genes.
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Affiliation(s)
- Corey C Holt
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada.
- Hakai Institute, Heriot Bay, British Columbia, Canada.
| | - Elisabeth Hehenberger
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada.
- Institute of Parasitology, Biology Centre Czech Academy of Sciences, České Budějovice, Czech Republic.
| | - Denis V Tikhonenkov
- Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Russia
- AquaBioSafe Laboratory, University of Tyumen, Tyumen, Russia
| | | | - Noriko Okamoto
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
- Hakai Institute, Heriot Bay, British Columbia, Canada
| | - Elizabeth C Cooney
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
- Hakai Institute, Heriot Bay, British Columbia, Canada
| | - Nicholas A T Irwin
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
- Merton College, University of Oxford, Oxford, UK
| | - Patrick J Keeling
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada.
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248
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Fam BSDO, Vargas-Pinilla P, Paré P, Landau L, Viscardi LH, Pissinatti A, Falótico T, Maestri R, Bortolini MC. Exploring the diversity of AVPR2 in Primates and its evolutionary implications. Genet Mol Biol 2023; 46:e20230045. [PMID: 37930141 PMCID: PMC10626583 DOI: 10.1590/1678-4685-gmb-2023-0045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 09/09/2023] [Indexed: 11/07/2023] Open
Abstract
The current study focuses on the investigation of AVPR2 (VTR2C) protein-coupled receptor variants specific to different primate taxa. AVPR2 is activated by the neurohormone AVP, which modulates physiological processes, including water homeostasis. Our findings reveal positive selection at three AVPR2 sites at positions 190, 250, and 346. Variation at position 250 is associated with human Congenital Nephrogenic Diabetes Insipidus (cNDI), a condition characterized by excessive water loss. Other 13 functional sites with potential adaptive relevance include positions 185, 202, 204, and 252 associated with cNDI. We identified SH3-binding motifs in AVPR2's ICL3 and N-terminus domains, with some losses observed in clades of Cercopithecidae, Callitrichinae, and Atelidae. SH3-binding motifs are crucial in regulating cellular physiology, indicating that the differences may be adaptive. Co-evolution was found between AVPR2 residues and those in the AVP signal peptide/Neurophysin-2 and AQP2, other molecules in the same signaling cascade. No significant correlation was found between these Primates' taxon-specific variants and the bioclimatic variables of the areas where they live. Distinct co-evolving amino acid sequences in functional sites were found in Platyrrhini and Catarrhini, which may have adaptive implications involving glucocorticoid hormones, suggesting varied selective pressures. Further studies are required to confirm these results.
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Affiliation(s)
- Bibiana Sampaio de Oliveira Fam
- Universidade Federal do Rio Grande do Sul, Departamento de Genética,
Laboratório de Evolução Humana e Molecular, Porto Alegre, RS, Brazil
| | - Pedro Vargas-Pinilla
- Universidade Federal do Rio Grande do Sul, Departamento de Genética,
Laboratório de Evolução Humana e Molecular, Porto Alegre, RS, Brazil
- Universidade de São Paulo, Faculdade de Medicina, Departamento de
Bioquímica e Imunologia, Ribeirão Preto, SP, Brazil
| | - Pâmela Paré
- Universidade Federal do Rio Grande do Sul, Departamento de Genética,
Laboratório de Evolução Humana e Molecular, Porto Alegre, RS, Brazil
| | - Luane Landau
- Universidade Federal do Rio Grande do Sul, Departamento de Genética,
Laboratório de Evolução Humana e Molecular, Porto Alegre, RS, Brazil
| | - Lucas H. Viscardi
- Universidade Federal do Rio Grande do Sul, Departamento de Genética,
Laboratório de Evolução Humana e Molecular, Porto Alegre, RS, Brazil
| | | | - Tiago Falótico
- Universidade de São Paulo, Escola de Artes, Ciências e Humanidades,
São Paulo, SP, Brazil
| | - Renan Maestri
- Universidade Federal do Rio Grande do Sul, Departamento de Ecologia,
Laboratório de Ecomorfologia e Macroevolução, Porto Alegre, RS, Brazil
| | - Maria Cátira Bortolini
- Universidade Federal do Rio Grande do Sul, Departamento de Genética,
Laboratório de Evolução Humana e Molecular, Porto Alegre, RS, Brazil
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Gerasimova EA, Mindolina YV, Tikhonenkov DV, Kataev VY, Balkin AS, Mikhailov KV, Zagumyonnyi DG, Plotnikov AO, Zlatogursky VV. Unexpected ubiquity of heart-shaped scale morphotype in Centroplasthelida (Haptista): Ancestral trait or multiple acquisitions? J Eukaryot Microbiol 2023; 70:e12992. [PMID: 37452443 DOI: 10.1111/jeu.12992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/20/2023] [Accepted: 06/20/2023] [Indexed: 07/18/2023]
Abstract
Centrohelids (Haptista: Centroplasthelida) are axopodial protists with a remarkable diversity of external siliceous scale morphologies. It is believed that the last common ancestor of centrohelids had a double layer of siliceous scales composed of plate scales closer to a cell surface and spine scales radiating outwards. The characteristic morphotype of spine scales with a heart-shaped base was once believed to be a unique feature of the genus Choanocystis, as it was defined by Siemensma and Roijackers (1988). Further research revealed that this morphology is present in different and sometimes distantly related lineages: Ozanamiidae, Meringosphaeridae, and Marophryidae. Here, we report the fourth clade, Pterocystidae, which is also revealed to contain representatives having this phenotype. Cernunnos gen. nov. is erected here to place Cernunnos uralica sp. nov., Cernunnos arctica sp. nov., Cernunnos america sp. nov., and Cernunnos antarctica Tikhonenkov et Mylnikov, 2010, Gerasimova comb. nov. C. uralica was studied with scanning electron microscopy and SSU rDNA sequencing. Molecular phylogenetic analysis placed it into marine environmental clade P within Pterocystida. The ubiquity of spine scales with heart-shaped bases could be an example of parallel evolution, but taking into account the considerable similarity it is likely an ancestral trait, acquired from the last common ancestor of centrohelids.
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Affiliation(s)
| | - Yulia V Mindolina
- Institute for Cellular and Intracellular Symbiosis of the Ural Branch, Russian Academy of Sciences, Orenburg, Russia
| | - Denis V Tikhonenkov
- AquaBioSafe Laboratory, University of Tyumen, Tyumen, Russia
- Papanin Institute for Biology of Inland Waters Russian Academy of Sciences, Borok, Russia
| | - Vladimir Y Kataev
- Institute for Cellular and Intracellular Symbiosis of the Ural Branch, Russian Academy of Sciences, Orenburg, Russia
| | - Alexander S Balkin
- Institute for Cellular and Intracellular Symbiosis of the Ural Branch, Russian Academy of Sciences, Orenburg, Russia
| | - Kirill V Mikhailov
- Belozersky Institute for Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- Kharkevich Institute for Information Transmission Problems, Russian Academy of Sciences, Moscow, Russia
| | - Dmitry G Zagumyonnyi
- AquaBioSafe Laboratory, University of Tyumen, Tyumen, Russia
- Papanin Institute for Biology of Inland Waters Russian Academy of Sciences, Borok, Russia
| | - Andrey O Plotnikov
- Institute for Cellular and Intracellular Symbiosis of the Ural Branch, Russian Academy of Sciences, Orenburg, Russia
| | - Vasily V Zlatogursky
- Department of Botany, Faculty of Science, University of British Columbia, Vancouver, British Columbia, Canada
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Al Mutairi M, Lerp H, Al Hanosh N, Macasero W, Al Beshr MF, Wronski T. Revisiting the radiation of Gazella arabica on the Arabian Peninsula and testing the suitability of captive breeding stock for reintroduction, using mitochondrial and nuclear markers. Saudi J Biol Sci 2023; 30:103823. [PMID: 37928742 PMCID: PMC10622698 DOI: 10.1016/j.sjbs.2023.103823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/17/2023] [Accepted: 09/29/2023] [Indexed: 11/07/2023] Open
Abstract
Today, the Arabian gazelle (G. arabica) occurs only in small, scattered populations on the Arabian Peninsula and is classified as 'vulnerable', due to intensive hunting and competition with livestock. The taxonomy of this threatened species is still under debate, hampering conservation efforts while ex-situ breeding programs could be an appropriate conservation measure to prevent the species from going extinct. In our study, we attempted to elucidate the radiation of G. arabica on the Arabian Peninsula, and to ask whether the population genetic structure allows to distinguish between discrete conservation units. We used mitochondrial markers, microsatellite markers, and three intron markers to identify conservation units, to match them with genotypes found in the captive breeding stock held in Saudi Arabia, and to ensure that genotype diversity of potential founder individuals corresponds to that prevailing at targeted reintroduction sites. The sequence divergence was low among nuclear and mitochondrial markers, with gazelles originating from the north of the Arabian Peninsula showing the largest diversity, while south-western and eastern populations showed a decreased diversity. A haplotype network based on the relatively heterogeneous cytochrome b gene found no signs of a prolonged separate evolutionary history of any investigated mainland population, suggesting limitations of gene-flow after the colonization of the Arabian Peninsula leading to a founder effect-like distribution of mitochondrial haplotypes. The ex-situ breeding population held in Saudi Arabia showed a good haplotype diversity, underlining its general suitability for reintroductions. However, it is recommended that genetic data of founders should be assessed prior to future reintroduction.
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Affiliation(s)
- Mohamed Al Mutairi
- Terrestrial Wildlife Conservation Department, National Centre for Wildlife (NCW), P.O. Box 61681, Riyadh 11575, Saudi Arabia
| | - Hannes Lerp
- Natural History Collections, Museum Wiesbaden, Friedrich-Ebert-Allee 2, 65185 Wiesbaden, Germany
| | - Naif Al Hanosh
- King Khalid Wildlife Research Centre, National Centre for Wildlife (NCW), P.O. Box 61681, Riyadh 11575, Saudi Arabia
| | - William Macasero
- King Khalid Wildlife Research Centre, National Centre for Wildlife (NCW), P.O. Box 61681, Riyadh 11575, Saudi Arabia
| | - Mohammed F. Al Beshr
- King Saud University, Faculty of Science, Department of Zoology, P.O Box 800, Riyadh 11421, Saudi Arabia
| | - Torsten Wronski
- Faculty of Science, School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
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