نتایج جستجو برای: dppa

تعداد نتایج: 92  

Journal: :The EMBO journal 2012
Yanjie Chao Kai Papenfort Richard Reinhardt Cynthia M Sharma Jörg Vogel

The small RNAs associated with the protein Hfq constitute one of the largest classes of post-transcriptional regulators known to date. Most previously investigated members of this class are encoded by conserved free-standing genes. Here, deep sequencing of Hfq-bound transcripts from multiple stages of growth of Salmonella typhimurium revealed a plethora of new small RNA species from within mRNA...

Journal: :Microbiology 2009
Sarah C Pulvermacher Lorraine T Stauffer George V Stauffer

In Escherichia coli, the gcvB gene encodes a small non-translated RNA that regulates several genes involved in transport of amino acids and peptides (including sstT, oppA and dppA). Microarray analysis identified cycA as an additional regulatory target of GcvB. The cycA gene encodes a permease for the transport of glycine, d-alanine, d-serine and d-cycloserine. RT-PCR confirmed that GcvB and th...

2013
Yanjie Chao Kai Papenfort Richard Reinhardt Cynthia M Sharma Jörg Vogel

The small RNAs associated with the protein Hfq constitute one of the largest classes of post-transcriptional regulators known to date. Most previously investigated members of this class are encoded by conserved free-standing genes. Here, deep sequencing of Hfq-bound transcripts from multiple stages of growth of Salmonella typhimurium revealed a plethora of new small RNA species from within mRNA...

2008
Wei Wan Yong Xue Linyan Bai Jie Guang Yinjie Li Jianwen Ai Ying Wang

This paper describes the need for and the proposed designing of the high performance quantitative retrieval model to be used on Computational Grid for study of aerosol properties, with particular emphasis on Aerosol Optical Thickness (AOT) determination. A methodology using multi-resource remotely sensed data and adapting available aerosol retrieval model in a Grid environment is demonstrated. ...

Journal: :The Journal of Automatic Chemistry 1997
Dimitrios P. Nikolelis Christina G. Siontorou

This paper describes the results of analytical applications of electrochemical biosensors based on bilayer lipid membranes (BLMs) for the automated rapid and sensitive flow monitoring of substrates of hydrolytic enzymes, antigens and triazine herbicides. BLMs, composed of mixtures of egg phosphatidylcholine (egg PC) and dipalmitoylphosphatidic acid (DPPA), were supported on ultrafiltration memb...

2013
Francisco J. Sierra-Valdez Linda S. Forero-Quintero Patricio A. Zapata-Morin Miguel Costas Arturo Chavez-Reyes Jesús C. Ruiz-Suárez

We report an experimental study of mouse sperm motility that shows chief aspects characteristic of neurons: the anesthetic (produced by tetracaine) and excitatory (produced by either caffeine or calcium) effects and their antagonic action. While tetracaine inhibits sperm motility and caffeine has an excitatory action, the combination of these two substances balance the effects, producing a moti...

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