Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica
We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identi...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
de Sousa, Jordana R.P. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017transfer abstract |
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| Schlagwörter: |
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| Umfang: |
10 |
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| Übergeordnetes Werk: |
Enthalten in: Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network - Zhang, Zishuang ELSEVIER, 2022, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:121 ; year:2017 ; number:12 ; pages:991-1000 ; extent:10 |
| Links: |
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| DOI / URN: |
10.1016/j.funbio.2017.09.005 |
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| 245 | 1 | 0 | |a Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica |
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| 520 | |a We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. | ||
| 520 | |a We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. | ||
| 650 | 7 | |a Fungi |2 Elsevier | |
| 650 | 7 | |a Pathogenicity |2 Elsevier | |
| 650 | 7 | |a Ornithogenic soil |2 Elsevier | |
| 650 | 7 | |a Birds |2 Elsevier | |
| 650 | 7 | |a Antarctic |2 Elsevier | |
| 700 | 1 | |a Gonçalves, Vívian N. |4 oth | |
| 700 | 1 | |a de Holanda, Rodrigo A. |4 oth | |
| 700 | 1 | |a Santos, Daniel A. |4 oth | |
| 700 | 1 | |a Bueloni, Cinthia F.L.G. |4 oth | |
| 700 | 1 | |a Costa, Adriana O. |4 oth | |
| 700 | 1 | |a Petry, Maria V. |4 oth | |
| 700 | 1 | |a Rosa, Carlos A. |4 oth | |
| 700 | 1 | |a Rosa, Luiz H. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Zhang, Zishuang ELSEVIER |t Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network |d 2022 |g Amsterdam [u.a.] |w (DE-627)ELV008895996 |
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10.1016/j.funbio.2017.09.005 doi GBV00000000000028.pica (DE-627)ELV04093098X (ELSEVIER)S1878-6146(17)30128-9 DE-627 ger DE-627 rakwb eng 570 580 570 DE-600 580 DE-600 004 VZ de Sousa, Jordana R.P. verfasserin aut Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. Fungi Elsevier Pathogenicity Elsevier Ornithogenic soil Elsevier Birds Elsevier Antarctic Elsevier Gonçalves, Vívian N. oth de Holanda, Rodrigo A. oth Santos, Daniel A. oth Bueloni, Cinthia F.L.G. oth Costa, Adriana O. oth Petry, Maria V. oth Rosa, Carlos A. oth Rosa, Luiz H. oth Enthalten in Elsevier Zhang, Zishuang ELSEVIER Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network 2022 Amsterdam [u.a.] (DE-627)ELV008895996 volume:121 year:2017 number:12 pages:991-1000 extent:10 https://doi.org/10.1016/j.funbio.2017.09.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 121 2017 12 991-1000 10 045F 570 |
| spelling |
10.1016/j.funbio.2017.09.005 doi GBV00000000000028.pica (DE-627)ELV04093098X (ELSEVIER)S1878-6146(17)30128-9 DE-627 ger DE-627 rakwb eng 570 580 570 DE-600 580 DE-600 004 VZ de Sousa, Jordana R.P. verfasserin aut Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. Fungi Elsevier Pathogenicity Elsevier Ornithogenic soil Elsevier Birds Elsevier Antarctic Elsevier Gonçalves, Vívian N. oth de Holanda, Rodrigo A. oth Santos, Daniel A. oth Bueloni, Cinthia F.L.G. oth Costa, Adriana O. oth Petry, Maria V. oth Rosa, Carlos A. oth Rosa, Luiz H. oth Enthalten in Elsevier Zhang, Zishuang ELSEVIER Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network 2022 Amsterdam [u.a.] (DE-627)ELV008895996 volume:121 year:2017 number:12 pages:991-1000 extent:10 https://doi.org/10.1016/j.funbio.2017.09.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 121 2017 12 991-1000 10 045F 570 |
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10.1016/j.funbio.2017.09.005 doi GBV00000000000028.pica (DE-627)ELV04093098X (ELSEVIER)S1878-6146(17)30128-9 DE-627 ger DE-627 rakwb eng 570 580 570 DE-600 580 DE-600 004 VZ de Sousa, Jordana R.P. verfasserin aut Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. Fungi Elsevier Pathogenicity Elsevier Ornithogenic soil Elsevier Birds Elsevier Antarctic Elsevier Gonçalves, Vívian N. oth de Holanda, Rodrigo A. oth Santos, Daniel A. oth Bueloni, Cinthia F.L.G. oth Costa, Adriana O. oth Petry, Maria V. oth Rosa, Carlos A. oth Rosa, Luiz H. oth Enthalten in Elsevier Zhang, Zishuang ELSEVIER Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network 2022 Amsterdam [u.a.] (DE-627)ELV008895996 volume:121 year:2017 number:12 pages:991-1000 extent:10 https://doi.org/10.1016/j.funbio.2017.09.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 121 2017 12 991-1000 10 045F 570 |
| allfieldsGer |
10.1016/j.funbio.2017.09.005 doi GBV00000000000028.pica (DE-627)ELV04093098X (ELSEVIER)S1878-6146(17)30128-9 DE-627 ger DE-627 rakwb eng 570 580 570 DE-600 580 DE-600 004 VZ de Sousa, Jordana R.P. verfasserin aut Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. Fungi Elsevier Pathogenicity Elsevier Ornithogenic soil Elsevier Birds Elsevier Antarctic Elsevier Gonçalves, Vívian N. oth de Holanda, Rodrigo A. oth Santos, Daniel A. oth Bueloni, Cinthia F.L.G. oth Costa, Adriana O. oth Petry, Maria V. oth Rosa, Carlos A. oth Rosa, Luiz H. oth Enthalten in Elsevier Zhang, Zishuang ELSEVIER Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network 2022 Amsterdam [u.a.] (DE-627)ELV008895996 volume:121 year:2017 number:12 pages:991-1000 extent:10 https://doi.org/10.1016/j.funbio.2017.09.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 121 2017 12 991-1000 10 045F 570 |
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10.1016/j.funbio.2017.09.005 doi GBV00000000000028.pica (DE-627)ELV04093098X (ELSEVIER)S1878-6146(17)30128-9 DE-627 ger DE-627 rakwb eng 570 580 570 DE-600 580 DE-600 004 VZ de Sousa, Jordana R.P. verfasserin aut Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. Fungi Elsevier Pathogenicity Elsevier Ornithogenic soil Elsevier Birds Elsevier Antarctic Elsevier Gonçalves, Vívian N. oth de Holanda, Rodrigo A. oth Santos, Daniel A. oth Bueloni, Cinthia F.L.G. oth Costa, Adriana O. oth Petry, Maria V. oth Rosa, Carlos A. oth Rosa, Luiz H. oth Enthalten in Elsevier Zhang, Zishuang ELSEVIER Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network 2022 Amsterdam [u.a.] (DE-627)ELV008895996 volume:121 year:2017 number:12 pages:991-1000 extent:10 https://doi.org/10.1016/j.funbio.2017.09.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 121 2017 12 991-1000 10 045F 570 |
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Enthalten in Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network Amsterdam [u.a.] volume:121 year:2017 number:12 pages:991-1000 extent:10 |
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Enthalten in Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network Amsterdam [u.a.] volume:121 year:2017 number:12 pages:991-1000 extent:10 |
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Discovering biomarkers of hepatocellular carcinoma from single-cell RNA sequencing data by cooperative games on gene regulatory network |
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pathogenic potential of environmental resident fungi from ornithogenic soils of antarctica |
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Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica |
| abstract |
We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. |
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We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. |
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We assessed the diversity of cultivable fungi in the ornithogenic soil nests of bird species like Phalacrocorax atriceps, Macronectes giganteus, Pygoscelis antarcticus, and Pygoscelis papua in the Antarctic islands. From 481 fungi isolated at 15 °C, only 50 displayed growth at 37 °C, and were identified as 14 species of 15 genera. Aspergillus fumigatus, Penicillium chrysogenum, and Rhodotorula mucilaginosa were the most abundant species obtained. Fifty taxa grew at 40 °C; displayed haemolytic and phospholipase activities; produced tiny spores, capsule, and melanin; showed growth at different pH; and showed resistance to amphotericin B. Interestingly, the minimum inhibitory concentration of amphotericin B increased by 5–10 fold for some A. fumigatus isolates after phagocytosis by amoeba. Our results show relations among fungal community compositions present in Antarctic ornithogenic soil and their pathogenic risk to humans in vitro. As the Antarctica Peninsula is a major region of the planet affected by global climate changes, our results, though preliminary, raise concerns about the dispersal of potential pathogenic microbes present in Antarctic substrates by wild birds, which can fly great distances and spread potential pathogens mainly to South America and Oceania. |
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Pathogenic potential of environmental resident fungi from ornithogenic soils of Antarctica |
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Gonçalves, Vívian N. de Holanda, Rodrigo A. Santos, Daniel A. Bueloni, Cinthia F.L.G. Costa, Adriana O. Petry, Maria V. Rosa, Carlos A. Rosa, Luiz H. |
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