نتایج جستجو برای: aob

تعداد نتایج: 627  

Journal: :Development 2003
Bernd Knöll Hannes Schmidt William Andrews Sarah Guthrie Adrian Pini Vasi Sundaresan Uwe Drescher

The vomeronasal projection conveys information provided by pheromones and detected by neurones in the vomeronasal organ (VNO) to the accessory olfactory bulb (AOB) and thence to other regions of the brain such as the amygdala. The VNO-AOB projection is topographically organised such that axons from apical and basal parts of the VNO terminate in the anterior and posterior AOB respectively. We pr...

2016
Chao Xue Xu Zhang Chen Zhu Jun Zhao Ping Zhu Chang Peng Ning Ling Qirong Shen

Archaeal (AOA) and bacterial (AOB) ammonia-oxidizer responses to long-term field fertilization in a Mollisol soil were assessed through pyrosequencing of amoA genes. Long-term fertilization treatments including chemical fertilizer (NPK), NPK plus manure (NPKM), and no fertilization over 23 years altered soil properties resulting in significant shifts in AOA and AOB community composition and abu...

Journal: :Surgical case reports 2016
Yumiko Kageyama Takashi Kokudo Katsumi Amikura Yoshihiro Miyazaki Amane Takahashi Hirohiko Sakamoto

A 74-year-old female was diagnosed as having a carcinoma of the papilla of Vater. Preoperative computed tomography showed stenosis of the celiac trunk and an enlarged artery arising from the superior mesenteric artery (SMA) joining the root of the splenic artery. Since this artery communicated with the SMA and the celiac trunk, independently of the gastroduodenal and dorsal pancreatic arteries,...

Journal: :The Science of the total environment 2015
Qinglin Chen Hui Wang Baoshan Yang Fei He Xuemei Han Ziheng Song

The impacts of carbon nanotubes (CNTs) including single-walled carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) on soil microbial biomass and microbial community composition (especially on ammonium oxidizing microorganisms) have been evaluated. The first exposure of CNTs lowered the microbial biomass immediately, but the values recovered to the level of the control at the end ...

Journal: :Applied and environmental microbiology 2014
Yanling Zheng Lijun Hou Silvia Newell Min Liu Junliang Zhou Hui Zhao Lili You Xunliang Cheng

Diversity, abundance, and activity of ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) were investigated using the ammonia monooxygenase α subunit (amoA) in the intertidal sediments of the Yangtze Estuary. Generally, AOB had a lower diversity of amoA genes than did AOA in this study. Clone library analysis revealed great spatial variations in both AOB and AOA communities alo...

Journal: :Water research 2003
John M Regan Gregory W Harrington Hélène Baribeau Ricardo De Leon Daniel R Noguera

Chloramination for secondary disinfection of drinking water often promotes the growth of nitrifying bacteria in the distribution system due to the ammonia introduced by chloramine formation and decay. This study involved the application of molecular biology techniques to explore the types of ammonia-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB) present in several full-scale chlo...

2015
Natasha C. Banning Linda D. Maccarone Louise M. Fisk Daniel V. Murphy

Ammonia-oxidising archaea (AOA) and bacteria (AOB) are responsible for the rate limiting step in nitrification; a key nitrogen (N) loss pathway in agricultural systems. Dominance of AOA relative to AOB in the amoA gene pool has been reported in many ecosystems, although their relative contributions to nitrification activity are less clear. Here we examined the distribution of AOA and AOB with d...

2009
Rodrigo Suárez Aldo Villalón Heinz Künzle Jorge Mpodozis

The vomeronasal system (VNS) mediates pheromonal communication in mammals. From the vomeronasal organ, two populations of sensory neurons, expressing either Galphai2 or Galphao proteins, send projections that end in glomeruli distributed either at the rostral or caudal half of the accessory olfactory bulb (AOB), respectively. Neurons at the AOB contact glomeruli of a single subpopulation. The d...

2015
Xiang Ma Erpei Wang Yuyun Lu Yong Wang Shiyi Ou Rian Yan Miyako Kusano

This study selectively acylated the primary hydroxyl groups on flavonoids in antioxidant of bamboo leaves (AOB) using lauric acid with Candida antarctica lipase B in tert-amyl-alcohol. The separation and isolation of acylated derivatives were performed using silica gel column chromatography with a mixture of dichloromethane/diethyl ether/methanol as eluents. Both thin layer chromatography and h...

2012
Nozomi Yamamoto Ryu Oishi Yoshihisa Suyama Chika Tada Yutaka Nakai

The distribution of ammonia-oxidizing archaea (AOA) and bacteria (AOB) in cattle, swine, and chicken manure compost was analyzed. PCR-denaturing gradient gel electrophoresis (DGGE) showed that a Candidatus Nitrososphaera gargensis-like sequence dominated in cattle manure compost, while few AOA were detected in other composts. In the case of AOB, Nitrosomonas-like sequences were detected with hi...

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