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Total and active soil fungal community profiles were significantly altered by six years of warming but not by grazing
Che, RX (Che, Rongxiao)1,2,3,4; Wang, SP (Wang, Shiping)5,6; Wang, YF (Wang, Yanfen)2; Xu, ZH (Xu, Zhihong)3; Wang, WJ (Wang, Weijin)3; Rui, YC (Rui, Yichao)7; Wang, F (Wang, Fang)2,3; Hu, JM (Hu, Jinming)1,4; Tao, J (Tao, Juan)1,4; Cui, XY (Cui, Xiaoyong)2,6,8
Source PublicationSOIL BIOLOGY & BIOCHEMISTRY
2019
Volume139Issue:0Pages:107611
DOI10.1016/j.soilbio.2019.107611
Abstract

We examined the responses of total and active soil fungal communities to experimental warming, moderate grazing, and their combination. The six years of field experiments were established in a Tibetan alpine meadow. An infrared heating system was used to simulate warming, and the grazing was conducted by a combination of sheep grazing and clipping. Total and active soil fungal community profiles were determined using MiSeq sequencing of internal transcribed spacer (ITS) DNA and RNA, respectively. Fungal abundance and rDNA transcriptional activity were analyzed through real-time PCR. The results showed that the warming significantly changed the community structure of soil fungi, particularly the active populations. Specific changes in fungal community profiles under the warming scenario included an increase in the proportion of Dothideomycetes (a potential oligotrophic class) and a decrease in the proportion of active plant-symbiotic lineages (e.g., Glomerales). FUNGuild-based functional predictions suggested that warming significantly reduced the proportions of arbuscular mycorrhizal and active saprotrophic fungi. We compared our results to those of another investigation performed at the same location, and found that the ITS-FUNGuild approach was even more sensitive than the 18S rDNA-based method with respect to identifying arbuscular mycorrhizal fungal taxa. Additionally, the warming attenuated the interactions among fungal species, reduced the Chao 1 index of active fungal communities, increased the active fungal community dispersion, and tended to suppress the transcription of fungal rDNA. In contrast, no significant effects of grazing and warming-grazing interactions on soil fungal communities were observed. These findings indicate that global warming may weaken the capacity of soil fungi to decompose organic matter and to facilitate plant nutrient absorption, whereas fungi in Tibetan alpine meadow soils are insensitive to moderate grazing.

Subject AreaEcology Environment
WOS IDWOS:000501654200001
Language英语
Indexed BySCI
KeywordClimate-change Microbial Community Organic-carbon Ribosomal-rna Alpine Meadow Temperature Sensitivity Cooccurrence Patterns Bacterial Community Species Composition Enzyme-activity
WOS Research AreaAgriculture
WOS SubjectSoil Science
Cooperation Status国际
ISSN0038-0717
Department高寒生态重点实验室
URL查看原文
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9071
Collection图书馆
Corresponding AuthorWang, YF (Wang, Yanfen); Cui, XY (Cui, Xiaoyong)
Affiliation1.Yunnan Univ, Inst Int Rivers & Ecosecur, Kunming 650091, Yunnan, Peoples R China;
2.Univ Chinese Acad Sci, Coll Life Sci, Beijing 100049, Peoples R China;
3.Griffith Univ, Environm Futures Res Inst, Brisbane, Qld 4111, Australia;
4.Yunnan Univ, Yunnan Key Lab Int Rivers & Transboundary Ecosecu, Kunming 650091, Yunnan, Peoples R China;
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol, Beijing 100101, Peoples R China;
6.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
7.Univ Wisconsin, Dept Soil Sci, Madison, WI 53706 USA;
8.Chinese Acad Sci, Huairou Ecoenvironm Observ, Beijing 101408, Peoples R China.
Recommended Citation
GB/T 7714
Che, RX ,Wang, SP ,Wang, YF ,et al. Total and active soil fungal community profiles were significantly altered by six years of warming but not by grazing[J]. SOIL BIOLOGY & BIOCHEMISTRY,2019,139(0):107611.
APA Che, RX .,Wang, SP .,Wang, YF .,Xu, ZH .,Wang, WJ .,...&Cui, XY .(2019).Total and active soil fungal community profiles were significantly altered by six years of warming but not by grazing.SOIL BIOLOGY & BIOCHEMISTRY,139(0),107611.
MLA Che, RX ,et al."Total and active soil fungal community profiles were significantly altered by six years of warming but not by grazing".SOIL BIOLOGY & BIOCHEMISTRY 139.0(2019):107611.
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