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A multi-attribute approach to evaluating the impact of biostimulants on crop performance. Repositório Alice
MENDES, R.; BARROS, I. de; D'ANDRÉA, P. A.; D'ANDRÉA-KÜHL, M. S. C.; RODRIGUES, G. S..
An ever-growing collection of commercial biostimulants is becoming available in a wide variety of forms and compositions to improve crop performance. Given the intricate nature of deciphering the underlying mechanisms of commercial products, which typically comprise various biological components, it is crucial for research in this area to have robust tools to demonstrate their effectiveness in field trials. Here, we took a multi-attribute approach to evaluating the impact of biostimulants on crop performance. First, we assessed the impact of a biostimulant on the soil and rhizosphere microbiomes associated to crops in eight reference farms, including corn (3 farms), soybean (2), cotton (2) and sugarcane (1), in different biomes and production contexts in...
Tipo: Artigo de periódico Palavras-chave: Bioestimulante; Fitossanidade; Impact assessment; Multi-attribute indicators; Solo; Estimulante de Crescimento Vegetal; Rizosfera; Microrganismo; Milho; Soja; Algodão; Cana de Açúcar; Química do Solo; Física do Solo; Biologia do Solo; Growth promotion; Plant development; Microbiome; Rhizosphere; Sustainable agriculture.
Ano: 2023 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1156510
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Back to the roots: revealing beneficial interactions between the rhizosphere microbiome and wild wheat. Repositório Alice
ROSSMANN, M.; PÉREZ-JARAMILLO, J. E.; CHIARAMONTE, J. B.; KAVAMURA, V. N.; DUMACK, K.; FIORE-DONNO, A. M.; MENDES, L. W.; BONKOWSKI, M.; MAUCHLINE, T.; RAAIJMAKERS, J. M.; MENDES, R..
Domestication of plants may have impacted the interactions between plants and their rhizosphere microbiome. Considering that plants rely on the rhizosphere microbiome for functions related with plant growth, nutrition and health, the objective of this work was to analyse the rhizosphere microbiome of wild relatives and modern varieties of wheat and to investigate whether wild relatives recruit a higher proportion of beneficial microbes than modern cultivars. By 16S-rRNA gene amplicon, ITS and 18SrRNA gene amplicon, we assessed the bacterial, fungal and cercozoa rhizosphere community composition of five modern cultivars and three wheat ancestors cultivated in forest and agricultural soils. Results revealed a pronounced soil type and rhizosphere effect on...
Tipo: Separatas Palavras-chave: Wild wheat; Trigo; Rizosfera; Rhizosphere; Wheat; Microbiome.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1103217
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Breeding for resistance to soil-borne pathogen impacts rhizosphere microbiome functions in common bean. Repositório Alice
MENDES, L. W.; MENDES, R.; RAAIJMAKERS, J. M.; TSAI, S. M..
Over the past century, plant breeding programs have substantially improved plant growth and health, but have not yet considered the potential effects on the plant microbiome. Here, we conducted a metatranscriptome analysis to determine if and how breeding for resistance of common bean against the root pathogen Fusarium oxysporum (Fox) affected gene expression in the rhizobacterial community. Our data revealed that rhizobacterial community assembly of Fox-resistant and susceptible bean cultivars follows niche-based mechanisms, presenting lower diversity and distinct community structure compared to the bulk soil. The microbiome of the Fox-resistant bean cultivar presented a significantly higher expression of bacterial genes associated with nutrient...
Tipo: Separatas Palavras-chave: Rizosfera; Feijão; Microbiome; Rhizosphere; Beans; Breeding.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1103238
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Cross-kingdom similarities in microbiome ecology and biocontrol of pathogens. Repositório Alice
BERG, G.; KRAUSE, R.; MENDES, R..
Abstract: The concept of "gut and root microbiota commonalities" was already presented by Ramírez-Puebla et al.(2013); they discussed a lot of similar functional traits, host-bacteria interactions as well as evolutionary trends but also several differences. Based on deeper insights obtained by omics technologies, Mendes and Raaijmakers (2015) recently presented their concept that the structure and function of rhizosphere and gut microbiomes showcross-kingdom similarities. In parallel, Hacquard et al. (2015) analyzed similarities of the microbiota composition across plant and animal kingdoms and found only little overlap comparing fish gut and plant root communities. They explained the differences by various start inoculants and abiotic, niche-specific...
Tipo: Separatas Palavras-chave: Ecological theories; Rizosfera; População microbiana; Bactéria; Controle biológico; Microbiome; Biological control agents; Rhizosphere; Pathogens.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1032834
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Deciphering rhizosphere microbiome assembly of wild and modern common bean (Phaseolus vulgaris) in native and agricultural soils from Colombia. Repositório Alice
PEREZ-JARAMILLO, J. E.; HOLLANDER, M. de; RAMÍREZ, C. A.; MENDES, R.; RAAIJMAKERS, J. M.; CARRIÓN, V. J..
Abstract: Background: Modern crop varieties are typically cultivated in agriculturally well-managed soils far from the centers oforigin of their wild relatives. How this habitat expansion impacted plant microbiome assembly is not well understood. Results: Here, we investigated if the transition from a native to an agricultural soil affected rhizobacterial communityassembly of wild and modern common bean (Phaseolus vulgaris) and if this led to a depletion of rhizobacterialdiversity. The impact of the bean genotype on rhizobacterial assembly was more prominent in the agriculturalsoil than in the native soil. Although only 113 operational taxonomic units (OTUs) out of a total of 15,925 wereshared by all eight bean accessions grown in native and agricultural...
Tipo: Artigo de periódico Palavras-chave: Common bean; Wild and modern accessions; Core microbiome; Networks.; Feijão; Rizosfera; Phaseolus; Microbiome; Domestication; Rhizosphere..
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1115028
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Diversity of viruses and viroids in the rhizosphere of common bean cultivars differing in resistance to the fungal root pathogen Fusarium oxysporum. Repositório Alice
BRAGA, L. P.; TANENTZAP, A. J.; LEE, B.; TSAI, S. M.; RAAIJMAKERS, J. M.; MENDES, R.; MENDES, L. W..
Abstract: The rhizosphere microbiome plays a key role in plant protection against soil-borne pathogens. Plant breeding for resistance against soil-borne pathogens can alter the rhizosphere microbiome. However, most studies have focused on bacterial and fungal communities, leaving the role of the virus and viroids unassessed. Here, we tested the influence of resistance breeding on the composition of rhizosphere viruses and viroids. By analyzing metatranscriptomes from the rhizosphere of common bean (Phaseolus vulgaris) cultivars with varying resistance to the soil-borne pathogen Fusarium oxysporum, we recovered sequences representing 78 and 23 novel populations of viruses and viroids, respectively. We compared the abundances of these infectious agents...
Tipo: Artigo de periódico Palavras-chave: Plant-microbe interactions; Infectome; Rizosfera; Feijão; Doença de Planta; Resistência; Vírus; Soil-plant interactions; Microbiome; Viruses; Beans; Food security.
Ano: 2023 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1156276
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Illumina sequencing and assessment of new cost-efficient protocol for metagenomic-DNA extraction from environmental water samples BJM
Hassan,Mariam; Essam,Tamer; Megahed,Salwa.
Abstract In this study, the development and assessment of a modified, efficient, and cost-efficient protocol for mDNA (metagenomic DNA) extraction from contaminated water samples was attempted. The efficiency of the developed protocol was investigated in comparison to a well-established commercial kit (Epicentre, Metagenomic DNA Isolation Kit for Water). The comparison was in terms of degree of shearing, yield, purity, duration, suitability for polymerase chain reaction and next-generation sequencing in addition to the quality of next-generation sequencing data. The DNA yield obtained from the developed protocol was 2.6 folds higher than that of the commercial kit. No significant difference in the alpha (Observed species, Chao1, Simpson and PD whole tree)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioinformatics; Method; Microbiome; Next-generation sequencing; QIIME.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822018000500001
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Impact of plant domestication on rhizosphere microbiome assembly and functions. Repositório Alice
PÉREZ-JARAMILLO, J. E.; MENDES, R.; RAAIJMAKERS, J. M..
Abstract: The rhizosphere microbiome is pivotal for plant health and growth, providing defence against pests and diseases, facilitating nutrient acquisition and helping plants to withstand abiotic stresses. Plants can actively recruit members of the soil microbial community for positive feedbacks, but the underlying mechanisms and plant traits that drive microbiome assembly and functions are largely unknown. Domestication of plant species has substantially contributed to human civilization, but also caused a strong decrease in the genetic diversity of modern crop cultivars that may have affected the ability of plants to establish beneficial associations with rhizosphere microbes. Here, we review how plants shape the rhizosphere microbiome and how...
Tipo: Separatas Palavras-chave: Rhizosphere microbiome; Plant domestication; Plant-microbe interactions.; Rizosfera; Bactéria; Rhizosphere bacteria; Microbiome; Crops; Domestication; Wild relatives..
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1042651
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Impacto da domesticação do trigo em sua interação com bactérias benéficas da rizosfera. Repositório Alice
CARVALHO, J. C. de; COSTA, L. S. A. S.; CHIARAMONTE, J. B.; ROSSMANN, M.; MENDES, R..
Resumo: O processo de domesticação do trigo, como outras espécies cultivadas, está relacionado à formação de civilizações sedentárias. A domesticação consiste na seleção de caracteres fenotípicos úteis para uso humano. A transição do ambiente natural para sistemas de produção modernos geram diversas mudanças no ambiente que podem acarretar em impactos na microbiota do solo cultivado. As plantas vivem em associação com microrganismos que auxiliam em funções como defesa, saúde e crescimento da planta, e esta associação deve-se a um longo processo de coevolução. Assumindo que existe a dependência dessa microbiota, acredita-se que cultivares modernos perderam algumas características para recrutar microrganismos específicos do hospedeiro durante o processo de...
Tipo: Separatas Palavras-chave: Domesticação de plantas; Microbioma da rizosfera; Interação planta-microbioma; Trigo; Rizosfera; Microbiome; Domestication; Wheat; Soil-plant interactions.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1105014
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Inorganic nitrogen application affects both taxonomical and predicted functional structure of wheat rhizosphere bacterial communities. Repositório Alice
KAVAMURA, V. N.; HAYAT, R.; CLARK, I. M.; ROSSMANN, M.; MENDES, R.; HIRSCH, P. R.; MAUCHLINE, T. H..
The effects of fertilizer regime on bulk soil microbial communities have been well studied, but this is not the case for the rhizosphere microbiome. The aim of this work was to assess the impact of fertilization regime on wheat rhizosphere microbiome assembly and 16S rRNA gene-predicted functions with soil from the long term Broadbalk experiment at Rothamsted Research. Soil from four N fertilization regimes (organic N, zero N, medium inorganic N and high inorganic N) was sown with seeds of Triticum aestivum cv. Cadenza. 16S rRNA gene amplicon sequencing was performed with the Illumina platform on bulk soil and rhizosphere samples of 4-week-old and flowering plants (10 weeks). Phylogenetic and 16S rRNA gene-predicted functional analyses were performed....
Tipo: Separatas Palavras-chave: Nitrogênio inorgânico; Trigo; Fertilizante nitrogenado; Impacto ambiental; Rizosfera; Wheat; Rhizosphere; Microbiome; Nitrogen fertilizers; Environmental impact; Bacterial communities; Functional diversity; Sustainable agricultural intensification.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1105404
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Insights into the rhizosphere microbiome: past and future perspectives Repositório Alice
KAVAMURA, V. N.; CLARK, I. M.; MELO, I. S. de; MAUCHLINE, T. H..
Microorganisms associated to plants can promote plant growth and development through direct and/or indirect mechanisms in addition to enabling them to tolerate biotic and abiotic stresses. Several factors are responsible for shaping the microbiome associated with plants and understanding how they influence the structure and functions of microbial communities is crucial for the development of sustainable agriculture. Using culture-independent methods and soils from Rothamsted Research, I will describe the importance of different factors in determining the root microbiome structure and diversity in wheat. In addition, I will describe a culturedependent approach that led to the development of a microbial product for maize. I also discuss gaps and benefits of...
Tipo: Anais e Proceedings de eventos Palavras-chave: Rhizosphere; Microbiome.
Ano: 2022 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1150579
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Is Malassezia nana the main species in horses’ ear canal microbiome? BJM
Aldrovandi,Ana Lúcia; Osugui,Lika; Coutinho,Selene Dall’ Acqua.
ABSTRACT The objective of this study was to characterize genotypically Malassezia spp. isolated from the external ear canal of healthy horses. Fifty-five horses, 39 (70.9%) males and 16 (29.1%) females, from different breeds and adults were studied. External ear canals were cleaned and a sterile cotton swab was introduced to collect cerumen. A total of 110 samples were cultured into Dixon medium and were incubated at 32 °C for up to 15 days. Macro- and micromorphology and phenotypic identification were performed. DNA was extracted, strains were submitted to polymerase chain reaction technique, and the products obtained were submitted to Restriction Fragment Length Polymorphism using the restriction enzymes BstCI and HhaI. Strains were sent off to genetic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malassezia nana; Malassezia slooffiae; Microbiome; Horses; Ear canal.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000300770
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Land management and microbial seed load effect on rhizosphere and endosphere bacterial community assembly in wheat. Repositório Alice
KAVAMURA, V. N.; ROBINSON, R. J.; HAYAT, R.; CLARK, I. M.; HUGHES, D.; ROSSMANN, M.; HIRSCH, P. R.; MENDES, R.; MAUCHLINE, T. H..
Abstract: Microbial community ecology studies have traditionally utilized culture-based methodologies, though the advent of next-generation amplicon sequencing has facilitated superior resolution analyses of complex microbial communities. Here, we used culture-dependent and -independent approaches to explore the influence of land use as well as microbial seed load on bacterial community structure of the wheat rhizosphere and root endosphere. It was found that niche was an important factor in shaping the microbiome when using both methodological approaches, and that land use was also a discriminatory factor for the culture-independent-based method. Although culture-independent methods provide a higher resolution of analysis, it was found that in the...
Tipo: Artigo de periódico Palavras-chave: Endosphere; Rizosfera; População Microbiana; Manejo do Solo; Trigo; Semente; Rhizosphere; Microbiome; Wheat; Seeds.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1115412
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Microbiome genomics for livestock production. Repositório Alice
ANDRADE, B. G. N.; SOUZA, M. M. DE; AMAT, S.; REGITANO, L. C. de A.; OLIVEIRA, P. S. N. DE.
In the Anthropocene era we are living in, the environmental impact caused by the livestock industry must be addressed while meeting the feed standards required by the global population. These goals can be achieved through the improvement of key production phenotypes (i.e., feed efficiency and methane production), and the overall health of individual animals and the herd, reducing the use of natural resources.
Tipo: Artigo de periódico Palavras-chave: Porcine; Cattle; Genomics; Livestock production; Microbiome; Poultry.
Ano: 2022 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1148414
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Microbiome of the Black-Lipped Pearl Oyster Pinctada margaritifera, a Multi-Tissue Description With Functional Profiling ArchiMer
Dubé, Caroline; Ky, Chin-long; Planes, Serge.
Elucidating the role of prokaryotic symbionts in mediating host physiology has emerged as an important area of research. Since oysters are the world’s most heavily cultivated bivalve molluscs, numerous studies have applied molecular techniques to understand the taxonomic and functional diversity of their associated bacteria. Here, we expand on this research by assessing the composition and putative functional profiles of prokaryotic communities from different organs/compartments of the black-lipped pearl oyster Pinctada margaritifera, a commercially important shellfish valued for cultured pearl production in the Pacific region. Seven tissues, in addition to mucous secretions, were targeted from P. margaritifera individuals: the gill, gonad, byssus gland,...
Tipo: Text Palavras-chave: Pearl oyster; Microbiome; Tissue-specific bacterial communities; 16S rRNA gene sequencing; Functional profiling prediction.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00505/61670/65589.pdf
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Microbiomes of Velloziaceae from phosphorus-impoverished soils of the campos rupestres, a biodiversity hotspot. Repositório Alice
CAMARGO, A. P.; SOUZA, R. S. C. de; COSTA, P. de B.; GERHARDT, I. R.; DANTE, R. A.; TEODORO, G. S.; ABRAHÃO, A.; LAMBERS, H.; CARAZZOLLE, M. F.; HUNTEMANN, M.; CLUM, A.; FOSTER, B.; FOSTER, B.; ROUX, S.; PALANIAPPAN, K.; VARGHESE, N.; MUKHERJEE, S.; REDDY, T. B. K.; DAUM, C.; COPELAND, A.; CHENM U, M. A.; IVANOVA, N. N.; KYRPIDES, N. C.; PENNACCHIO, C.; ELOE-FADROSH, E. A.; ARRUDA, P.; OLIVEIRA, R. S..
The rocky, seasonally-dry and nutrient-impoverished soils of the Brazilian campos rupestres impose severe growth-limiting conditions on plants. Species of a dominant plant family, Velloziaceae, are highly specialized to low-nutrient conditions and seasonal water availability of this environment, where phosphorus (P) is the key limiting nutrient. Despite plant-microbe associations playing critical roles in stressful ecosystems, the contribution of these interactions in the campos rupestres remains poorly studied. Here we present the first microbiome data of Velloziaceae spp. thriving in contrasting substrates of campos rupestres. We assessed the microbiomes of Vellozia epidendroides, which occupies shallow patches of soil, and Barbacenia macrantha, growing...
Tipo: Artigo de periódico Palavras-chave: Microbioma de plantas; Campos rupestres brasileiros; Sequenciamento genético; Condições extremas; Solos; Stressful environments; DNA sequencing; Soils; Microrganismo; Velloziaceae; Microorganisms; Microbiome.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1111238
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Microbiota Composition and Evenness Predict Survival Rate of Oysters Confronted to Pacific Oyster Mortality Syndrome ArchiMer
Clerissi, Camille; De Lorgeril, Julien; Petton, Bruno; Lucasson, Aude; Escoubas, Jean Michel; Gueguen, Yannick; Dégremont, Lionel; Mitta, Guillaume; Toulza, Eve.
Pacific Oyster Mortality Syndrome (POMS) affects Crassostrea gigas oysters worldwide and causes important economic losses. Disease dynamic was recently deciphered and revealed a multiple and progressive infection caused by the Ostreid herpesvirus OsHV-1 μVar, triggering an immunosuppression followed by microbiota destabilization and bacteraemia by opportunistic bacterial pathogens. However, it remains unknown if microbiota might participate to protect oysters against POMS, and if microbiota characteristics might be predictive of oyster mortalities. To tackle this issue, we transferred full-sib progenies of resistant and susceptible oyster families from hatchery to the field during a period in favor of POMS. After 5 days of transplantation, oysters from...
Tipo: Text Palavras-chave: Holobiont; Microbiome; Metabarcoding; Fitness; Bacteria.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00621/73332/72500.pdf
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Mining of the endophytic microbiome for novel biosynthetic genes and antifungal metabolites. Repositório Alice
CARRION, V. J.; PÉREZ-JARAMILLO, J.; CORDOVEZ, V.; HOLLANDER, M. de; TRACANNA, V.; MENDES, L. W.; MENDES, R.; MEDEMA, M. H.; RAAIJMAKERS, J. M..
Endophytic microbes have been proposed to contribute to a range of plant support functions, including nutrient acquisition and disease protection. To date, the molecular mechanisms underlying disease protection in the endosphere have only been studied for individual culturable organisms. Here, we conducted a systematic microbiome-wide perspective on the taxonomic diversity and functional potential of the endophytic microbiome of plants grown in an agricultural soil that is naturally suppressive to damping-off disease caused by the fungal root pathogen Rhizoctonia solani. Metagenomic analyses showed an enrichment of Burkholderiaceae, Chitinophagaceae and Xanthomonadaceae in the endosphere of plants grown in disease-suppressive soil challenged with the...
Tipo: Separatas Palavras-chave: Microbiome; Antifungal agents; Metagenomics.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1103500
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Modulating drought stress response of maize by a synthetic bacterial community. Repositório Alice
ARMANHI, J. S. L.; SOUZA, R. S. C. de; BIAZOTTI, B. B.; YASSITEPE, J. E. de C. T.; ARRUDA, P..
Plant perception and responses to environmental stresses are known to encompass a complex set of mechanisms in which the microbiome is involved. Knowledge about plant physiological responses is therefore critical for understanding the contribution of the microbiome to plant resilience. However, as plant growth is a dynamic process, a major hurdle is to find appropriate tools to effectively measure temporal variations of different plant physiological parameters. Here, we used a non-invasive real-time phenotyping platform in a one-to-one (plant-sensors) set up to investigate the impact of a synthetic community (SynCom) harboring plant-beneficial bacteria on the physiology and response of three commercial maize hybrids to drought stress (DS). SynCom...
Tipo: Artigo de periódico Palavras-chave: Tolerância à seca; Fenotipagem de planta; SynCom; Plant microbiome; Plant phenotyping; Drought stress; Maize; Plant growth-promoting; PGP; Synthetic microbial community; Bactéria; Drought tolerance; Stress tolerance; Microbiome.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1136882
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Nasopharyngeal microbial communities of patients infected with SARS-CoV-2 that developed COVID-19. Repositório Alice
PAZ VENTERO, M.; CUADRAT, R. R. C.; VIDAL, I.; ANDRADE, B. G. N.; MOLINA-PARDINES, C.; HARI-MORENO, J. M.; COUTINHO, F. H.; MERINO, E.; REGITANO, L. C. de A.; SILVEIRA, C. B.; AFLI, H.; LÓPEZ-PÉREZ, M.; RODRÍGUEZ, J. C..
Background: SARS-CoV-2 is an RNA virus causing COVID-19. The clinical characteristics and epidemiology of COVID-19 have been extensively investigated, however, only one study so far focused on the patient?s nasopharynx microbiota. In this study we investigated the nasopharynx microbial community of patients that developed different severity levels of COVID-19. We performed 16S ribosomal DNA sequencing from nasopharyngeal swab samples obtained from SARS-CoV-2 positive (56) and negative (18) patients in the province of Alicante (Spain) in their first visit to the hospital. Positive SARS-CoV-2 patients were observed and later categorized in mild (symptomatic without hospitalization), moderate (hospitalization), and severe (admission to ICU). We compared the...
Tipo: Artigo de periódico Palavras-chave: COVID 19; SARS CoV 2; NGS next generation sequencing; Coronavirus; Microbiome; Prevotella.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132766
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