干旱区生态环境知识资源中心(Arid): ANAMMOX MICROBIAL ACTIVITY IN SODIUM SALINE SOIL OF FORMER LAKE TEXCOCO, MEXICO

Arid

DOI	10.20937/RICA.54088
	ANAMMOX MICROBIAL ACTIVITY IN SODIUM SALINE SOIL OF FORMER LAKE TEXCOCO, MEXICO
	Rojas-Oropeza, Marcelo; Jose Fernandez, Francisco; Caudan, Cedric; Cabirol, Nathalie
通讯作者	Cabirol, N
来源期刊	REVISTA INTERNACIONAL DE CONTAMINACION AMBIENTAL
ISSN	0188-4999
出版年	2022
卷号	38 页码:27-35
英文摘要	The Anammox process, involving transformation of ammonium to dinitrogen, is well known in aquatic ecosystems. However, this anaerobic process in soil has been little explored, even less in extremophile soils. The saline-sodic soil of the former Lake Texcoco exposed to desertification with irrigation projects using wastewater of Mexico City, is a unique environment, yet little is known about its microbial ecology. The objective of this study was to examine the presence of Anammox microorganisms and their microcosm activity after a period of Anammox enrichment (229 days). Microcosm kinetics monitored after the 229 days enrichment experiment, showed a significant removal of ammonium and nitrite, with a significant production of dinitrogen. The stoichiometric conversion of NO2- and NH4+ to N-2 gas is complete in the studied soils, based on an Anammox process where 1 mole of NH4+ resulted in 1.02 moles of N-2. The presence of the Anammox functional gene hzoA was observed in saline-sodic soils of the former Lake Texcoco. The Anamx1 and Anamx2 operational taxonomic units (OTU) are phylogenetically close to a bacterium of the phylum Planctomycetes from a wastewater treatment reactor and marine environment (AB257585.1 and HE654780.1, respectively). Those two OTU represent indigenous or exogenous Anammox microorganisms phylotypes. The existence of microorganisms with Anammox activity in a saline-sodic alkaline soil is of great interest for the understanding of the nitrogen cycle in extremophile soils.
英文关键词	alkaline Anammox activity extremophile hzoA gene microcosm saline-sodic soil
类型	Article
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000768786600003
WOS关键词	ANAEROBIC AMMONIUM OXIDATION ; OXIDIZING BACTERIA ; MOLECULAR-DETECTION ; NITROGEN DYNAMICS ; SEDIMENTS
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394314
推荐引用方式 GB/T 7714	Rojas-Oropeza, Marcelo,Jose Fernandez, Francisco,Caudan, Cedric,et al. ANAMMOX MICROBIAL ACTIVITY IN SODIUM SALINE SOIL OF FORMER LAKE TEXCOCO, MEXICO[J],2022,38:27-35.
APA	Rojas-Oropeza, Marcelo,Jose Fernandez, Francisco,Caudan, Cedric,&Cabirol, Nathalie.(2022).ANAMMOX MICROBIAL ACTIVITY IN SODIUM SALINE SOIL OF FORMER LAKE TEXCOCO, MEXICO.REVISTA INTERNACIONAL DE CONTAMINACION AMBIENTAL,38,27-35.
MLA	Rojas-Oropeza, Marcelo,et al."ANAMMOX MICROBIAL ACTIVITY IN SODIUM SALINE SOIL OF FORMER LAKE TEXCOCO, MEXICO".REVISTA INTERNACIONAL DE CONTAMINACION AMBIENTAL 38(2022):27-35.