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The Response Patterns of Arbuscular Mycorrhizal and Ectomycorrhizal Symbionts Under Elevated CO2: A Meta-Analysis
Dong, Yuling1,2; Wang, Zhenyu3; Sun, Hao1,2; Yang, Weichao1; Xu, Hui1
Corresponding AuthorXu, Hui(xuhui@iae.ac.cn)
2018-06-11
Source PublicationFRONTIERS IN MICROBIOLOGY
ISSN1664-302X
Volume9Pages:14
AbstractElevated carbon dioxide (eCO(2)), a much-discussed topic in global warming, influences development and functions of mycorrhizal fungi and plants. However, due to the inconsistent results reported in various publications, the response patterns of symbionts associated with the arbuscular mycorrhizal (AM) or with ectomycorrhizal (ECM) fungi to eCO(2) remains still unclear. Therefore, we performed a meta-analysis to identify how eCO(2) affected mycorrhizal fungi and if there is a significant different response between AM and ECM symbionts. Our results demonstrated that eCO(2) increased mycorrhizal plants biomass (+26.20%), nutrient contents [+2.45% in nitrogen (N), and +10.66% in phosphorus (P)] and mycorrhizal fungal growth (+22.87% in extraradical hyphal length and +21.77% in mycorrhizal fungal biomass), whereas plant nutrient concentrations decreased (-11.86% in N and -12.01% in P) because the increase in plant biomass was greater than that in nutrient content. The AM plants exhibited larger increases in their biomass (+33.90%) and in their N (+21.99%) and P contents (+19.48%) than did the ECM plants (+20.57% in biomass, -4.28% in N content and -13.35% in P content). However, ECM fungi demonstrated increased responses of mycorrhizal fungal biomass (+29.98%) under eCO(2) compared with AM fungi (+6.61%). These data indicate different patterns in the growth of AM and ECM symbionts under eCO(2): AM symbionts contributed more to plant growth, while ECM symbionts were more favorable to mycorrhizal fungal growth. In addition, the responses of plant biomass to eCO(2) showed no significant difference between short-term and long-term groups, whereas a significant difference in the responses of mycorrhizal fungal growth was found between the two groups. The addition of N increased plant growth but decreased mycorrhizal fungal abundance, and P addition increased total plant biomass and extraradical hyphal length, but shoot biomass largely increased in low P conditions. Mixtures of mycorrhizal fungi affected the total plant and root biomasses more than a single mycorrhizal fungus. Clarifying the different patterns in AM and ECM symbionts under eCO(2) would contribute to a better understanding of the interactions between mycorrhizal fungi and plant symbionts under the conditions of global climate change as well as of the coevolution of flora with Earth's environment.
Keywordmycorrhizal fungi-plant symbiont eCO(2) fertilization effect experimental duration fertilization global climate change
Funding OrganizationNon-profit Research Foundation for Agriculture
DOI10.3389/fmicb.2018.01248
Indexed BySCI
Language英语
Funding ProjectNon-profit Research Foundation for Agriculture[201103039]
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000434786800002
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128298
Collection中国科学院金属研究所
Corresponding AuthorXu, Hui
Affiliation1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Pollut Ecol & Environm Engn, Shenyang, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Liaoning Inst Sci & Technol, Sch Biol & Chem Engn, Benxi, Peoples R China
Recommended Citation
GB/T 7714
Dong, Yuling,Wang, Zhenyu,Sun, Hao,et al. The Response Patterns of Arbuscular Mycorrhizal and Ectomycorrhizal Symbionts Under Elevated CO2: A Meta-Analysis[J]. FRONTIERS IN MICROBIOLOGY,2018,9:14.
APA Dong, Yuling,Wang, Zhenyu,Sun, Hao,Yang, Weichao,&Xu, Hui.(2018).The Response Patterns of Arbuscular Mycorrhizal and Ectomycorrhizal Symbionts Under Elevated CO2: A Meta-Analysis.FRONTIERS IN MICROBIOLOGY,9,14.
MLA Dong, Yuling,et al."The Response Patterns of Arbuscular Mycorrhizal and Ectomycorrhizal Symbionts Under Elevated CO2: A Meta-Analysis".FRONTIERS IN MICROBIOLOGY 9(2018):14.
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