Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.3389/fmicb.2018.01755 |
Nutrient Dependent Cross-Kingdom Interactions: Fungi and Bacteria From an Oligotrophic Desert Oasis | |
Velez, Patricia1,4; Espinosa-Asuar, Laura1; Figueroa, Mario2; Gasca-Pineda, Jaime1,5; Aguirre-von-Wobeser, Eneas3; Eguiarte, Luis E.1; Hernandez-Monroy, Abril1; Souza, Valeria1 | |
通讯作者 | Velez, Patricia ; Souza, Valeria |
来源期刊 | FRONTIERS IN MICROBIOLOGY
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ISSN | 1664-302X |
出版年 | 2018 |
卷号 | 9 |
英文摘要 | Microbial interactions play a key role in ecosystem functioning, with nutrient availability as an important determinant. Although phylogenetically distant bacteria and fungi commonly co-occur in nature, information on their cross-kingdom interactions under unstable, extreme environments remains poor. Hence, the aims of this work were to evaluate potential in vitro interactions among fungi and bacteria isolated from a phosphorous oligotrophic aquatic system in the Cuatro Cienegas Basin, Mexico, and to test the nutrients-based shifts. We assessed growth changes in bacteria (Aeromonas and Vibrio) and fungi (Coprinellus micaceus, Cladosporium sp., and Aspergillus niger) on co-cultures in relation to monocultures under diverse nutrient scenarios on Petri dishes. Interactions were explored using a network analysis, and a metabolome profiling for specific taxa. We identified nutrient-dependent patterns, as beneficial interactions dominated in low-nutrients media and antagonistic interactions dominated in rich media. This suggests that cross-kingdom synergistic interactions might favor microbial colonization and growth under low nutrient conditions, representing an adaptive trait to oligotrophic environments. Moreover, our findings agree with the stress-gradient hypothesis, since microbial interactions shifted from competition to cooperation as environmental stress (expressed as low nutrients) increased. At a functional level consistent differences were detected in the production of secondary metabolites, agreeing with plate bioassays. Our results based on culture experiments, provides evidence to understand the complexity of microbial dynamics and survival in phosphorous-depleted environments. |
英文关键词 | arid environment ecology cooperation microbial interactions metabolome nutrient availability stress-gradient hypothesis |
类型 | Article |
语种 | 英语 |
国家 | Mexico |
收录类别 | SCI-E |
WOS记录号 | WOS:000440791000001 |
WOS关键词 | ARBUSCULAR MYCORRHIZAL FUNGI ; STRESS-GRADIENT HYPOTHESIS ; 2 MICROBIAL MATS ; COMMUNITY STRUCTURE ; ASPERGILLUS-NIGER ; LEAF-LITTER ; IN-VITRO ; NUTRITIONAL-REQUIREMENTS ; COMPARATIVE METAGENOMICS ; PSEUDOMONAS-FLUORESCENS |
WOS类目 | Microbiology |
WOS研究方向 | Microbiology |
来源机构 | Universidad Nacional Autónoma de México |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/209441 |
作者单位 | 1.Univ Nacl Autanoma Mexico, Inst Ecol, Dept Ecol Evolut, Lab Evoluc Mol & Expt, Mexico City, DF, Mexico; 2.Univ Nacl Autonoma Mexico, Lab 125E, Fac Quim, Dept Farm, Mexico City, DF, Mexico; 3.Catedras CONACyT Ctr Invest Alimentac & Desarroll, Hermosillo, Sonora, Mexico; 4.Univ Nacl Autonoma Mexico, Dept Bot, Lab Ecol Mol Micromicetos Ecosistemas Amenazados, Inst Biol, Mexico City, DF, Mexico; 5.Ctr Invest Cient & Educ Super Ensenada, Lab Genet Conservac, Dept Biol Conservac, Ensenada, Baja California, Mexico |
推荐引用方式 GB/T 7714 | Velez, Patricia,Espinosa-Asuar, Laura,Figueroa, Mario,et al. Nutrient Dependent Cross-Kingdom Interactions: Fungi and Bacteria From an Oligotrophic Desert Oasis[J]. Universidad Nacional Autónoma de México,2018,9. |
APA | Velez, Patricia.,Espinosa-Asuar, Laura.,Figueroa, Mario.,Gasca-Pineda, Jaime.,Aguirre-von-Wobeser, Eneas.,...&Souza, Valeria.(2018).Nutrient Dependent Cross-Kingdom Interactions: Fungi and Bacteria From an Oligotrophic Desert Oasis.FRONTIERS IN MICROBIOLOGY,9. |
MLA | Velez, Patricia,et al."Nutrient Dependent Cross-Kingdom Interactions: Fungi and Bacteria From an Oligotrophic Desert Oasis".FRONTIERS IN MICROBIOLOGY 9(2018). |
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