نتایج جستجو برای: اپران lux

تعداد نتایج: 2625  

Journal: :Molecular microbiology 2007
Jeffrey L Bose Unmi Kim Wojciech Bartkowski Robert P Gunsalus Ashley M Overley Noreen L Lyell Karen L Visick Eric V Stabb

Bioluminescence generated by the Vibrio fischeri Lux system consumes oxygen and reducing power, and it has been proposed that cells use this to counteract either oxidative stress or the accumulation of excess reductant. These models predict that lux expression should respond to redox conditions; yet no redox-responsive regulator of lux is known. We found that the luxICDABEG operon responsible f...

2017
Zhongqiang Zhou Tingting Chen Mengrui Wang Ling Jin Yongyi Zhao Shangji Chen Congyao Wang Guoshan Zhang Qilin Wang Qiaoming Deng Yubo Liu Ian G Morgan Mingguang He Yizhi Liu Nathan Congdon

We sought to assess light characteristics and user acceptability of a prototype Bright Classroom (BC), designed to prevent children's myopia by exposing them to light conditions resembling the outdoors. Conditions were measured throughout the school year in the glass-constructed BC, a traditional classroom (TC) and outdoors. Teachers and children completed user questionnaires, and children rate...

Journal: :Lakar 2022

Pencahayaan pada siang hari yang disebabkan oleh sinar matahari dapat di kontrol dengan penataan ventilasi tepat. mempengaruhi tingakat kecerahan suatu objek, menjadi solusi dalam ruangan. Penataan beberapa macam sesuai kebutuhan. Kajian ini dijadikan acuan memperbaiki desain interior studio sudah ada dan bisa sebuah pengetahuan untuk mahasiswa memahami tentang pentingnya pencahayaan desain. Tu...

Journal: :Jurnal materi dan pembelajaran fisika 2022

Sistem pencahayaan merupakan suatu yang sangat penting untuk diperhatikan karena kesehatan mata kita akan terganggu dengan minimny intensitas cahaya. Di dalam ruangan terutamanya ruang kerja harus memiliki cahaya memadai sesuai standar telah di tentukan. Analis pengukuran menggunakan lux meter digital mengetahui nilai cahaya, percobaan ini dilakukan apakah sudah atau belum memenuhi standart SNI...

Journal: :Applied and environmental microbiology 2011
Jeffrey L Bose Michael S Wollenberg Deanna M Colton Mark J Mandel Alecia N Septer Anne K Dunn Eric V Stabb

Vibrio fischeri serves as a valuable model of bacterial bioluminescence, its regulation, and its functional significance. Light output varies more than 10,000-fold in wild-type isolates from different environments, yet dim and bright strains have similar organization of the light-producing lux genes, with the activator-encoding luxR divergently transcribed from luxICDABEG. By comparing the geno...

Journal: :Genetics 2014
Piotr Gawroński Ruvini Ariyadasa Axel Himmelbach Naser Poursarebani Benjamin Kilian Nils Stein Burkhard Steuernagel Goetz Hensel Jochen Kumlehn Sunish Kumar Sehgal Bikram S Gill Peter Gould Anthony Hall Thorsten Schnurbusch

Viable circadian clocks help organisms to synchronize their development with daily and seasonal changes, thereby providing both evolutionary fitness and advantage from an agricultural perspective. A high-resolution mapping approach combined with mutant analysis revealed a cereal ortholog of Arabidopsis thaliana LUX ARRHYTHMO/PHYTOCLOCK 1 (LUX/PCL1) as a promising candidate for the earliness per...

2015
Deanna M. Colton Eric V. Stabb Stephen J. Hagen

The LuxR protein of the bacterium Vibrio fischeri belongs to a family of transcriptional activators that underlie pheromone-mediated signaling by responding to acyl-homoserine lactones (-HSLs) or related molecules. V. fischeri produces two acyl-HSLs, N-3-oxo-hexanoyl-HSL (3OC6-HSL) and N-octanoyl-HSL (C8-HSL), each of which interact with LuxR to facilitate its binding to a "lux box" DNA sequenc...

Journal: :Journal of the American Mosquito Control Association 1994
A Ali G Ceretti L Barbato G Marchese F D'Andrea B Stanley

The attraction of adult Chironomus salinarius to incandescent 3-W lamps of 7 different colors used in CDC traps was studied on a small island in the lagoon of Venice, Italy. An ANOVA indicated that the lamp type was a highly significant (P < 0.01) factor associated with differences in light trap catch (28% of total variation), as well as catch per lux (18% of total variation). The white lamp at...

Journal: :Journal of nematology 1978
J L Townshend R Tarte W F Mai

The effect of morphological variants of females of Pratylenchus penetrans, P. neglectus, and P. crenatus on the growth of three vegetables was studied. Variants were characterized by having either a smooth or crenate tail terminus. Pea was inoculated with variants of P. penetrans, one female per seedling, and grown at light intensities ranging from 1,350 to 21,600 lux in a series of five experi...

2016
Xiao Zhang Hao Yan Shefali Shah Zheng Dong Guang Yang Xin Zhao Jian Zhu Jinmin Liao Tim Muse Sisi Jiang Xiaoxi Zhang Li Jing Liwei Cai Venkata S. Mattay Weihua Yue Daniel R. Weinberger Dai Zhang Hao Yang Tan

This study was conducted to investigate the effect of the exposure to dim light during sleep on the brain activation while conducting tasks requiring working memory. 23 young healthy subjects participated in this study. The subjects were instructed to sleep in a polysomnography room with no light exposure on the first night and under a dim light condition of 5 lux or 10 lux on the second night....

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