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Gehrke AKE, Giai C, Gómez MI. Staphylococcus aureus Adaptation to the Skin in Health and Persistent/Recurrent Infections. Antibiotics (Basel) 2023; 12:1520. [PMID: 37887220 PMCID: PMC10604630 DOI: 10.3390/antibiotics12101520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/28/2023] Open
Abstract
Staphylococcus aureus is a microorganism with an incredible capability to adapt to different niches within the human body. Approximately between 20 and 30% of the population is permanently but asymptomatically colonized with S. aureus in the nose, and another 30% may carry S. aureus intermittently. It has been established that nasal colonization is a risk factor for infection in other body sites, including mild to severe skin and soft tissue infections. The skin has distinct features that make it a hostile niche for many bacteria, therefore acting as a strong barrier against invading microorganisms. Healthy skin is desiccated; it has a low pH at the surface; the upper layer is constantly shed to remove attached bacteria; and several host antimicrobial peptides are produced. However, S. aureus is able to overcome these defenses and colonize this microenvironment. Moreover, this bacterium can very efficiently adapt to the stressors present in the skin under pathological conditions, as it occurs in patients with atopic dermatitis or suffering chronic wounds associated with diabetes. The focus of this manuscript is to revise the current knowledge concerning how S. aureus adapts to such diverse skin conditions causing persistent and recurrent infections.
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Affiliation(s)
- Ana-Katharina E. Gehrke
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Departamento de Investigaciones Biomédicas y Biotecnológicas, Universidad Maimónides, Buenos Aires C1405BCK, Argentina;
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires C1425FQB, Argentina
| | - Constanza Giai
- Instituto de Histología y Embriología de Mendoza, Universidad Nacional de Cuyo—(UNCuyo) CONICET, Mendoza M5502JMA, Argentina;
- Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza M5502JMA, Argentina
- Facultad de Farmacia y Bioquímica, Universidad Juan Agustín Maza, Mendoza C1006ACC, Argentina
| | - Marisa I. Gómez
- Centro de Estudios Biomédicos, Básicos, Aplicados y Desarrollo (CEBBAD), Departamento de Investigaciones Biomédicas y Biotecnológicas, Universidad Maimónides, Buenos Aires C1405BCK, Argentina;
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires C1425FQB, Argentina
- Departamento de Microbiología, Parasitología e Inmunología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires C1121A6B, Argentina
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Arencibia V, Muñoz M, Crespo CM, Russo MG, Vera P, Lia VV, García Guraieb S, Goñi RA, Avena S, Puebla A, Dejean CB. Novel B2 mitogenomes from Continental southern Patagonia's Late Holocene: New insights into the peopling of the Southern Cone. Am J Biol Anthropol 2023. [PMID: 37548135 DOI: 10.1002/ajpa.24822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 05/23/2023] [Accepted: 07/09/2023] [Indexed: 08/08/2023]
Abstract
OBJECTIVES The main aim of this study is to discuss the migratory processes and peopling dynamics that shaped the genetic variability of populations during the settlement of the Southern Cone, through the analysis of complete mitogenomes of individuals from southern Patagonia. MATERIALS AND METHODS Complete mitogenomes were sequenced through massively parallel sequencing from two late Holocene individuals (SAC 1-1-3 and SAC 1-1-4) buried in the same chenque at Salitroso Lake Basin (Santa Cruz province, Argentina). To evaluate matrilineal phylogenetic affinities with other haplotypes, maximum likelihood and Bayesian phylogenetic reconstructions were performed, as well as a haplotype median-joining network. RESULTS The mitogenomes were assigned to haplogroups B2 and B2b, exhibiting an average depth of 54X and 89X (≥1X coverage of 98.6% and 100%), and a high number of nucleotide differences among them. The phylogenetic analyses showed a relatively close relationship between the haplotype found in SAC 1-1-4 and those retrieved from a Middle Holocene individual from Laguna Chica (Buenos Aires province), and from a group of individuals from the Peruvian coast. For the SAC 1-1-3, no clear affiliations to any other haplotype were established. DISCUSSION The large divergence between the haplotypes presented in this study suggests either a highly variable founder gene pool, or a later enrichment by frequent biological contact with other populations. Our results underline the persistence of genetic signals related to the first waves of peopling in South America, suggesting that the regional settlement of the southern end of the continent has been much more complex than initially thought.
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Affiliation(s)
- Valeria Arencibia
- Equipo de Antropología Biológica, CCNAA, Universidad Maimónides, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Marianne Muñoz
- Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina
- Instituto de Biotecnología-IABIMO (CONICET), Unidad de Genómica, Nodo CATG, Buenos Aires, Argentina
| | - Cristian M Crespo
- Instituto de Ciencias Polares, Ambiente y Recursos Naturales (ICPA), Universidad Nacional de Tierra del Fuego, Ushuaia, Tierra del Fuego, Argentina
| | - M Gabriela Russo
- Facultad de Ciencias Exactas y Naturales, Departamento de Ecología, Genética y Evolución, Grupo de Investigación en Biología Evolutiva (GIBE), Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Pablo Vera
- Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina
- Instituto de Biotecnología-IABIMO (CONICET), Unidad de Genómica, Nodo CATG, Buenos Aires, Argentina
| | - Verónica V Lia
- Instituto de Agrobiotecnología y Biología Molecular (INTA-CONICET), Buenos Aires, Argentina
- Facultad de Ciencias Exactas y Naturales, Departamento de Ecología, Genética y Evolución, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Solana García Guraieb
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Instituto Nacional de Antropología y Pensamiento Latinoamericano (INAPL), Buenos Aires, Argentina
- Facultad de Filosofía y Letras, Departamento de Ciencias Antropológicas, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Rafael A Goñi
- Instituto Nacional de Antropología y Pensamiento Latinoamericano (INAPL), Buenos Aires, Argentina
- Facultad de Filosofía y Letras, Departamento de Ciencias Antropológicas, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Sergio Avena
- Equipo de Antropología Biológica, CCNAA, Universidad Maimónides, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Facultad de Filosofía y Letras, Departamento de Ciencias Antropológicas, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Andrea Puebla
- Instituto Nacional de Tecnología Agropecuaria, Buenos Aires, Argentina
- Instituto de Biotecnología-IABIMO (CONICET), Unidad de Genómica, Nodo CATG, Buenos Aires, Argentina
| | - Cristina B Dejean
- Instituto de Agrobiotecnología y Biología Molecular (INTA-CONICET), Buenos Aires, Argentina
- Facultad de Filosofía y Letras, Departamento de Ciencias Antropológicas, Universidad de Buenos Aires, Buenos Aires, Argentina
- Facultad de Filosofía y Letras, Instituto de Ciencias Antropológicas, Sección Antropología Biológica, Universidad de Buenos Aires, Buenos Aires, Argentina
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Russo MG, Arencibia V, Emery M, Bettera Marcat G, Seldes V, Mercolli P, Soria S, Maldonado L, Kamenetzky L, Avena S, Dejean C, Stone AC. Ancient mitochondrial genome diversity in South America: Contributions from Quebrada del Toro, Northwestern Argentina. Am J Biol Anthropol 2023. [PMID: 37323114 DOI: 10.1002/ajpa.24795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 05/23/2023] [Accepted: 05/26/2023] [Indexed: 06/17/2023]
Abstract
OBJECTIVES The objective of this study was to enhance our understanding of the population history in South America, specifically Northwestern Argentina, by analyzing complete ancient mitogenomes of individuals from the Ojo de Agua archeological site (970 BP) in Quebrada del Toro (Salta, Argentina). MATERIALS AND METHODS We analyzed teeth from four individuals from the site Ojo de Agua (970 ± 60 BP), located in Quebrada del Toro (Andean region of Northwestern Argentina). DNA extracts were converted to double-stranded DNA libraries and indexed using unique dual-indexing primer combinations. DNA libraries were then enriched for the complete mitochondrial genome, pooled at equimolar concentrations, and sequenced on an Illumina® MiSeq™ platform. Reads from high quality libraries were trimmed, merged, and then mapped to the revised Cambridge Reference Sequence. The aDNA damage patterns were assessed and contamination estimated. Finally, variants were called, filtered, and the consensus mitogenome was constructed and used for haplogroup assignment. We also compiled available mitogenome sequences from ancient and present-day populations from the Southcentral Andes and other surrounding regions in Argentina. Maximum Likelihood and Bayesian phylogenetic reconstructions were obtained using the generated dataset. RESULTS We successfully obtained the complete mitogenome sequence from one individual with an average depth coverage of 102X. We discovered a novel haplotype that was assigned to haplogroup D1. Phylogenetic reconstructions suggests that this haplotype falls within the sister branches of the D1j lineage, forming a well-supported clade. The estimate TMRCA of this clade that includes D1j and its sister branches ranged between 12,535 and 18,669 ya. DISCUSSION The sequence analyzed in this study represents the first ancient mitogenome from within the valley region in Northwestern Argentina. We found that a representative of a lineage highly associated with D1j was already present approximately 1000 BP in the region. Our results agree with the proposed origin of D1j in other regions north of Patagonia and independent of the Pacific coast fast migratory route, contrary to what was originally hypothesized. This study highlights the lack of information regarding pre-Hispanic genetic diversity and contributes to the knowledge about the peopling process in South America.
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Affiliation(s)
- María Gabriela Russo
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Ecología, Genética y Evolución, Grupo de Investigación en Biología Evolutiva, Buenos Aires, Argentina
- Universidad Maimónides, Centro de Ciencias Naturales, Ambientales y Antropológicas, Equipo de Antropología Biológica, Buenos Aires, Argentina
| | - Valeria Arencibia
- CONICET, Universidad Maimónides, Centro de Ciencias Naturales, Ambientales y Antropológicas, Equipo de Antropología Biológica, Buenos Aires, Argentina
| | - Matthew Emery
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona, USA
- Center for Evolution and Medicine, Arizona State University, Tempe, Arizona, USA
- Department of Anthropology, Binghamton University, Binghamton, New York, USA
| | - Gianina Bettera Marcat
- Universidad de Buenos Aires, Facultad de Filosofía y Letras, Sección Antropología Biológica, Instituto de Ciencias Antropológicas, Buenos Aires, Argentina
| | - Verónica Seldes
- CONICET, Universidad de Buenos Aires, Facultad de Filosofía y Letras, Sección Antropología Biológica, Instituto de Ciencias Antropológicas, Buenos Aires, Argentina
| | - Pablo Mercolli
- Universidad de Buenos Aires, Facultad de Filosofía y Letras, Instituto Interdisciplinario Tilcara, Tilcara, Argentina
| | - Silvia Soria
- Facultad de Humanidades, Universidad Nacional de Salta, ICSOH CIUNSa, Salta, Argentina
| | - Lucas Maldonado
- CONICET, Universidad de Buenos Aires, Facultad de Medicina, IMPaM, Buenos Aires, Argentina
| | - Laura Kamenetzky
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología y Biología Molecular y Celular, Instituto de Biociencias, Biotecnología y Biología traslacional (iB3), Buenos Aires, Argentina
| | - Sergio Avena
- CONICET, Universidad Maimónides, Centro de Ciencias Naturales, Ambientales y Antropológicas, Equipo de Antropología Biológica, Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Filosofía y Letras, Sección Antropología Biológica, Instituto de Ciencias Antropológicas, Buenos Aires, Argentina
| | - Cristina Dejean
- Universidad Maimónides, Centro de Ciencias Naturales, Ambientales y Antropológicas, Equipo de Antropología Biológica, Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Filosofía y Letras, Sección Antropología Biológica, Instituto de Ciencias Antropológicas, Buenos Aires, Argentina
| | - Anne C Stone
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona, USA
- Center for Evolution and Medicine, Arizona State University, Tempe, Arizona, USA
- Center for Bioarchaeological Research, Arizona State University, Tempe, Arizona, USA
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