干旱区生态环境知识资源中心(Arid): 沙漠微生物群落功能多样性分析

Arid

	沙漠微生物群落功能多样性分析
其他题名	An Analysis on Diversity of Microbial Community Function in Desert
	王晓蕾 1; 张琇 2; 周云锋 1; 杜彦龙 1
来源期刊	水土保持通报
ISSN	1000-288X
出版年	2012
卷号	32 期号:3 页码:91-95
中文摘要	以宁夏回族自治区沙坡头地区的沙漠微生物群落为研究对象,采用Biolog方法研究了已固定沙丘结皮(J_1)及结皮下层(J_2),半流动沙丘上层(L_1)和下层(L_2)中微生物群落的功能多样性。结果表明,J_1的微生物群落活性最高,J_2的微生物群落次之,再次为L_2的微生物群落,最后为L_1的微生物群落;J_1,J_2,L_1和L_2的微生物群落对羧酸类、聚合物类和氨基酸类碳源的利用表现一致,对糖类、胺/氨类和双亲化合物类碳源的利用表现不同;利用ECO板上31种碳源进行主成分分析得出,PC_1,PC_2和PC_3特征值的贡献率为分别为70.16%,19.23%,10.61%。研究结果表明:(1)经过固沙后的微生物群落活性明显高于半流动沙漠微生物群落的活性;(2)微生物群落结构上的差异致使其对6类碳源的利用方式不同;(3)主成分分析表明沙漠微生物群落对羧酸类、糖类和氨基酸类碳源的利用最高,主要利用碳源有22种。
英文摘要	Taking the microbial communities in the Shapotou deserted area of Ningxia Hui Autonomous Region as a research object,function diversity of microbial communities from fixed dunes crust(J_1),sub fixed dunes crust(J_2),semi-mobile dunes(L_1) and sub semi-mobile dunes(L_2) were studied using Biolog method.Results showed that physiological action of J_1 microbial community was the highest,followed by J_2,L_2 and L_1 in turn.J_1,J_2,L_1 and L_2 had the same performance in utilization of carboxylic acids,polymers and amino acid,but were different in utilization of sugar,amine/ammonia and parent compounds.The characteristic value contributions of PC_1,PC_2 and PC_3 were 70.16%,19.23% and 10.61%,respectively.It can be concluded that(1) microbial community activity in fixed desert was significantly higher than that in mobile desert;(2) the differences of microbial community structure may result in the utilization of six types of carbon sources in different ways;(3) by principal component analysis,the utilization of acid,sugar and amino acid by desert microbial community was highest and carbon sources utilized were as many as 22 types.
中文关键词	沙漠 ; 微生物群落 ; 功能多样性
英文关键词	Biolog Biolog desert microbial community function diversity
语种	中文
国家	中国
收录类别	CSCD
WOS类目	MICROBIOLOGY
WOS研究方向	Microbiology
CSCD记录号	CSCD:4571534
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/228569
作者单位	1.北方民族大学生物科学与工程学院, 银川, 宁夏 750021, 中国; 2.北方民族大学生物科学与工程学院, 国家民委发酵酿造工程生物技术重点实验室, 银川, 宁夏 750021, 中国
推荐引用方式 GB/T 7714	王晓蕾,张琇,周云锋,等. 沙漠微生物群落功能多样性分析[J],2012,32(3):91-95.
APA	王晓蕾,张琇,周云锋,&杜彦龙.(2012).沙漠微生物群落功能多样性分析.水土保持通报,32(3),91-95.
MLA	王晓蕾,et al."沙漠微生物群落功能多样性分析".水土保持通报 32.3(2012):91-95.