Plant stimulation of soil microbial community succession: how sequential expression mediates soil carbon stabilization and turnover

doi:10.2172/1177136

GSTDTAP > 地球科学

DOI	10.2172/1177136
报告编号	DOE-UCB--04730
来源ID	OSTI ID: 1177136
	Plant stimulation of soil microbial community succession: how sequential expression mediates soil carbon stabilization and turnover
	Firestone, Mary
	2015-03-31
出版年	2015
页数	3
语种	英语
国家	美国
领域	地球科学
英文摘要	It is now understood that most plant C is utilized or transformed by soil microorganisms en route to stabilization. Hence the composition of microbial communities that mediate decomposition and transformation of root C is critical, as are the metabolic capabilities of these communities. The change in composition and function of the C-transforming microbial communities over time in effect defines the biological component of soil C stabilization. Our research was designed to test 2 general hypotheses; the first two hypotheses are discussed first; H1: Root-exudate interactions with soil microbial populations results in the expression of enzymatic capacities for macromolecular, complex carbon decomposition; and H2: Microbial communities surrounding roots undergo taxonomic succession linked to functional gene activities as roots grow, mature, and decompose in soil. Over the term of the project we made significant progress in 1) quantifying the temporal pattern of root interactions with the soil decomposing community and 2) characterizing the role of root exudates in mediating these interactions.
英文关键词	Rhizosphere Root-microbial Carbon stabilization
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来源平台	US Department of Energy (DOE)
引用统计
文献类型	科技报告
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/6999
专题	地球科学
推荐引用方式 GB/T 7714	Firestone, Mary. Plant stimulation of soil microbial community succession: how sequential expression mediates soil carbon stabilization and turnover,2015.