globalchange  > 气候变化与战略
DOI: 10.1016/j.funeco.2019.100873
论文题名:
In silico analysis of metatranscriptomic data from the Antarctic vascular plant Colobanthus quitensis: Responses to a global warming scenario through changes in fungal gene expression levels
作者: Ballesteros G.I.; Torres-Díaz C.; Bravo L.A.; Balboa K.; Caruso C.; Bertini L.; Proietti S.; Molina-Montenegro M.A.
刊名: Fungal Ecology
ISSN: 17545048
出版年: 2020
卷: 43
语种: 英语
英文关键词: Antarctica ; Colobanthus quitensis ; Endophytes ; Global warming ; Metatranscriptome
英文摘要: Maritime Antarctica is one of the most stressful environments for plant life worldwide. However, two vascular plant species (Deschampsia antarctica and Colobanthus quitensis) have been able to colonize this hostile environment. Although it has been proposed that C. quitensis possesses tolerance mechanisms and adaptations allowing survival and growth under such stressful conditions, the underlying molecular/transcriptional mechanisms are currently unknown. Furthermore, the impact of global warming on the endophytic and epiphytic organisms associated with C. quitensis remains unclear. Here, a metatranscriptomic approach was used to determine the effect of an in situ simulated global warming scenario on C. quitensis plants. We found a large number of differentially expressed genes successfully annotated (2,997), suggesting that climate change modulates the metatranscriptome of C. quitensis plants and associated endophytes and epiphytes. Interestingly, 50.5% and 26.8% of up- and down-regulated genes, respectively, are from non-plant species (putative endophytic and epiphytic organisms, such as fungi). Interestingly, Gene Ontology analysis pointed out several biological processes differentially enriched in non-plant microorganisms associated with C. quitensis grown in a simulated global warming scenario. Taken together, these results suggest that climatic drivers are shaping plant-microorganism interactions, and that endophytes/epiphytes may play crucial roles in plant adaptation to extreme environmental conditions. © 2019 Elsevier Ltd and British Mycological Society
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159403
Appears in Collections:气候变化与战略

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作者单位: Centro de Ecología Molecular y Funcional (CEMyF), Instituto de Ciencias Biológicas, Universidad de Talca, Avda. Lircay s/n, Talca, Chile; Grupo de Biodiversidad y Cambio Global (BCG), Departamento de Ciencias Básicas, Universidad del Bío-Bío, Chillán, Chile; Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Forestales, Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile; Bachillerato en Ciencias, Facultad de Ciencias, Universidad Santo Tomás, Chile; Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy; Centro de Estudios Avanzados en Zonas Áridas (CEAZA), Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo, Chile; Centro de Investigación de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile

Recommended Citation:
Ballesteros G.I.,Torres-Díaz C.,Bravo L.A.,et al. In silico analysis of metatranscriptomic data from the Antarctic vascular plant Colobanthus quitensis: Responses to a global warming scenario through changes in fungal gene expression levels[J]. Fungal Ecology,2020-01-01,43
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