您好,欢迎访问中国农业科学院 机构知识库!

土壤nirS、nosZ型反硝化菌群落结构及多样性对牛场肥水灌溉水平的响应

文献类型: 中文期刊

作者: 高文萱 1 ; 闫建华 2 ; 杜会英; 张克强;

作者机构: 1.农业农村部环境保护科研监测所

2.天津大学化工学院

关键词: nirS;nosZ;反硝化菌;群落结构;牛场肥水灌溉

期刊名称: 农业环境科学学报

ISSN: 1672-2043

年卷期: 2019 年 5 期

页码: 1089-1100

摘要: 以河北徐水县长期定位牛场肥水灌溉试验田为研究对象,采用末端限制性片段多态性分析(T-RFLP)和克隆文库相结合的方法,研究了不同施肥条件下0~20、20~40 cm土层中土壤nirS、nosZ型反硝化细菌群落结构特征变化.结果表明:nirS型反硝化细菌群落结构在0~20、20~40 cm土层中存在垂直分布差异,且0~20 cm土层中nirS群落结构对施肥种类、肥水浓度及灌溉次数不敏感,而20~40 cm土层中nirS群落结构对施肥条件敏感性提高;施肥处理和土层均对nosZ型反硝化细菌的群落结构产生显著影响.nirS、nosZ基因的多样性指数研究显示,施肥条件下nirS基因多样性指数未发生显著变化,但nosZ基因多样性指数有明显不同.相同施氮量(约300 kg·hm-2)的处理下,高浓度肥水灌溉(T5)相比常规施肥处理(CF)能更好地促进两土层中nosZ基因多样性发展.本研究还发现0~20 cm土层中的nirS、nosZ基因多样性指数均低于20~40 cm土层.本研究土壤中nirS型反硝化细菌主要与β-变形菌纲的固氮弧菌属(Azoarcus)、贪铜菌属(Cupriavidus)、红长命菌属(Rubrivivax)和γ-变形菌纲的假单胞菌属(Pseudomonas)和Rhodanobacter菌属具有较近的亲缘关系,少部分nirS型反硝化菌属于未知菌.土壤中nosZ型反硝化细菌主要与α-变形菌纲的根瘤菌属(Rhizobium)、β-变形菌纲的伯克氏菌属(Burkholderiales)和产碱杆菌属(Alcaligenes)、γ-变形菌纲的假单胞菌属(Pseudomonas)有较近的亲缘关系,少部分nosZ型反硝化菌属于未知菌.

  • 相关文献

[1]长期不同施肥处理对反硝化菌群落结构及功能的影响. 尹昌. 2012

[2]牛场肥水灌溉对土壤反硝化细菌nosZ基因组成结构和多样性研究. 王婷,刘丽丽,高文萱. 2016

[3]牛场肥水灌溉对土壤nirK、nirS型反硝化微生物群落结构的影响. 王婷,刘丽丽,张克强,王风,杜会英,高文萱. 2017

[4]生物炭对华北农田土壤N_2O通量及相关功能基因丰度的影响. 刘杏认,赵光昕,张晴雯,田秀平. 2018

[5]长期施用有机和无机肥对黑土nirS型反硝化菌种群结构和丰度的影响. 尹昌,范分良,李兆君,宋阿琳,朱平,彭畅,梁永超. 2012

[6]减氮对麦玉轮作农田土壤反硝化细菌群落结构和多样性的影响. 白芳芳,乔冬梅,李平,杜臻杰,陆红飞,郭魏,齐学斌. 2024

[7]基于近红外光谱技术分析无芒雀麦元素含量. 代露茗,郭涛,史艳丽,李飞,贾倩民,王芳彬. 2023

[8]近红外光谱分析技术在豆粕质量监控中的应用研究. 杨海锋,吕小文,秦玉昌,李军国,牛立斌. 2006

[9]固氮施氏假单胞菌亚硝酸盐还原酶基因nirS转录特性及功能鉴定. 弓湃,王丽英,尚立国,战嵛华,平淑珍,燕永亮,林敏. 2015

[10]Analysis of Capsaicinoids from Hot Red Pepper Powder by Near-Infrared Spectroscopy. Tu San Park,Young Min Bae,Min Jin Sim,Da Eun Kim,Seong In Cho. 2008

[11]Optical tomographic imaging of activation of the infant auditory cortex using perturbation Monte Carlo with anatomical a priori information. Juha Heiskala,Kalle Kotilahti,Lauri Lipiaeinen,Petri Hiltunen,P. Ellen Grant,Ilkka Nissilae,SPIE-The International Society for Optical Engineering; Optical Society of America(OSA); EOARD-European Office of Aerospace Research and Development. 2007

[12]Determination of Protein, Fat, Starch, and Amino Acids in Foxtail Millet [Setaria italica (L.) Beauv.] by Fourier Transform Near-Infrared Reflectance Spectroscopy. Yang, Xiu-Shi,Dong, Chuan,Yang, Xiu-Shi,Wang, Li-Li,Zhou, Xian-Rong,Zhu, Zhi-Hua,Li, Nan,Li, Yan,Liu, Fang,Liu, San-Cai,Lu, Ping,Ren, Gui-Xing,Wang, Li-Li,Shuang, Shao-Min. 2013

[13]Near-infrared reflectance Spectroscopy-based methods for phytase registration in feed industry. Yang, Haifeng,Lv, Xiaowen,Wang, Jing,Li, Junguo,Li, Hui,Qin, Yuchang.

[14]Application of near-infrared reflectance spectroscopy to the evaluation of rutin and D-chiro-inositol contents in tartary buckwheat. Yang, Nan,Ren, Guixing.

[15]Denitrification potential under different fertilization regimes is closely coupled with changes in the denitrifying community in a black soil. Yin, Chang,Fan, Fenliang,Song, Alin,Cui, Peiyuan,Liang, Yongchao,Li, Tingqiang,Liang, Yongchao.

[16]The effects of silicon fertilizer on denitrification potential and associated genes abundance in paddy soil. Song, Alin,Fan, Fenliang,Yin, Chang,Wen, Shilin,Zhang, Yalei,Fan, Xiaoping,Liang, Yongchao.

[17]Application of Near-Infrared Reflectance Spectroscopy to the Evaluation of D-chiro-Inositol, Vitexin, and Isovitexin Contents in Mung Bean. Yao Yang,Cheng Xu-zhen,Ren Gui-xing. 2011

[18]Optimisation of near-infrared reflectance model in measuring protein and amylose content of rice flour. Hu, P. S..

[19]Quantification of Fishmeal in Compound Feed Using NIR Spectroscopy. Lv, Xiaowen,Li, Hui,Dong, Yingchao,Li, Junguo,Qin, Yuchang,Lv, Xiaowen,Li, Hui,Wang, Jing,Qin, Yuchang.

[20]Use of discriminant analysis on NIRS to detect meat-and-bone meal content in ruminant concentrates. Yang, Z.,Han, L.,Li, Q.,Yang, Z.,Han, L.,Li, Q.,Fan, X.. 2007

作者其他论文 更多>>