期刊
PEDOBIOLOGIA
卷 58, 期 5-6, 页码 177-185出版社
ELSEVIER GMBH
DOI: 10.1016/j.pedobi.2015.09.001
关键词
Cellulose; Enzyme activity; Fungal biomass; Fungal diversity; Lignin; CO2 release
资金
- Project of National Natural Science Foundation of China [31100370, 31360135, 31560205, 41501335]
- Project of Natural Science Foundation of Hu'nan Province [13JJ3092]
- Open Project of Innovation Platform in University of Hu'nan Province [12K107]
- Project of Strategic Emerging Industry Science and Technology Research of Hu'nan Province [2014GK1062]
Senesced plant material contains many endophytic microorganisms that colonized the plant while it was living. The role that these endophytes play during the subsequent colonization of litter by decomposers is unclear, as is their effects on decomposer activity. To improve our understanding of the effect of pioneer colonization by endophytes on litter decomposition, five dominant fungal endophytes were isolated from Cinnamomum camphora leaves and inoculated onto leaf litter prior to monitoring decomposition under field conditions. Inoculation with some endophytes resulted in altered levels of decomposer activity, increasing lignocellulolytic enzyme activities, respiration rates, and fungal biomass, and increased levels of decomposition over the course of 120 days. Inoculation with endophytes also altered the structure of the subsequent community of fungi. This work suggests that priority effects associated with endophytes present during litterfall can have substantial effects on decomposer activities and community dynamics, with potential effects on nutrient cycling in ecosystems. (C) 2015 Elsevier GmbH. All rights reserved.
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