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An Assessment of the MTR Aquatic Plant

by Trophic Status, Polish Rivers , 2001
"... Mean Trophic Rank (MTR), a new British biological macrophyte-based method for assessing trophic status of rivers was applied in Poland in 2000-2001. The occurrence and abundance of 86 aquatic plant species was recorded at 48 sites on 19 rivers in the lowland part of Poland. Forty-six of these specie ..."
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-six of these species are MTR scoring taxa used in the British system, but another 40 species were recorded of which 11 species were selected as potential scoring plants for use in Poland. The revision of MTR scoring plants used in Britain was performed and resulted in the proposed elimination of 24 taxa as scoring

MTR and RLL Constraints with Unconstrained Positions

by T. Lei Poo , Brian H. Marcus , 2006
"... In most recording channels, modulation codes are employed to transform user data to sequences that satisfy some desirable constraint. Run-length-limited (RLL) and maximum transition run (MTR) systems are examples of constraints that improve timing and detection performance. When used in conjunction ..."
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In most recording channels, modulation codes are employed to transform user data to sequences that satisfy some desirable constraint. Run-length-limited (RLL) and maximum transition run (MTR) systems are examples of constraints that improve timing and detection performance. When used

Regulation of the MtrC-MtrD-MtrE efflux-pump system modulates the in vivo fitness of Neisseria gonorrhoeae

by Douglas M. Warner, Jason P. Folster, William M. Shafer, Ann E. Jerse , 2007
"... The Neisseria gonorrhoeae MtrC-MtrD-MtrE multidrug-resistance efflux pump expels macrolide antibiotics, penicillin, and antimicrobial effectors of the innate defense. Mutation of the mtrR locus, which encodes a tran-scriptional repressor of themtrCDE operon, increases gonococcal resistance to these ..."
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The Neisseria gonorrhoeae MtrC-MtrD-MtrE multidrug-resistance efflux pump expels macrolide antibiotics, penicillin, and antimicrobial effectors of the innate defense. Mutation of the mtrR locus, which encodes a tran-scriptional repressor of themtrCDE operon, increases gonococcal resistance

The Two-Component Regulatory System mtrAB Is Required for

by Gerard A. Cangelosi, Julie S. Do, Robert Freeman, John G, Makeda Semret, Marcel A. Behr, Gerard A. Cangelosi, Julie S. Do, Robert Freeman, John G. Bennett, Makeda Semret, Marcel A. Behr , 2005
"... Updated information and services can be found at: ..."
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Updated information and services can be found at:

Scheduling Engineering Works for the MTR Corporation in Hong Kong

by Andy Hon, Wai Chun, Dennis Wai, Ming Yeung, Garbbie Pui, Shan Lam, Daniel Lai, Richard Keefe, Jerome Lam
"... This paper describes a Hong Kong MTR Corporation subway project to enhance and extend the current Webbased Engineering Works and Traffic Information Management System (ETMS) with an intelligent “AI Engine. ” The challenge is to be able to fully and accurately encapsulate all the necessary domain and ..."
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This paper describes a Hong Kong MTR Corporation subway project to enhance and extend the current Webbased Engineering Works and Traffic Information Management System (ETMS) with an intelligent “AI Engine. ” The challenge is to be able to fully and accurately encapsulate all the necessary domain

Dueling Regulatory Properties of a Transcriptional Activator (MtrA) and Repressor (MtrR) That Control Efflux Pump Gene Expression in

by Neisseria Gonorrhoeae, Yaramah M. Zalucki, A Vijaya Dhulipala, William M. Shafera
"... ABSTRACT MtrA is a member of the AraC family of transcriptional regulators and has been shown to play an important role in enhancing transcription of themtrCDE operon, which encodes a tripartite multidrug efflux pump, when gonococci are exposed to a sublethal level of antimicrobials. Heretofore, the ..."
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ABSTRACT MtrA is a member of the AraC family of transcriptional regulators and has been shown to play an important role in enhancing transcription of themtrCDE operon, which encodes a tripartite multidrug efflux pump, when gonococci are exposed to a sublethal level of antimicrobials. Heretofore

Application of MTR soft-decision decoding in multiple-head magnetic recording systems

by Nikola Djuric, Miroslav Despotovic , 2007
"... Abstract. Application of a simple approach for the soft-decision decoding of Maximum-Transition-Run (MTR) codes has been presented in this paper. A low-demanded hardware realization have been proposed for soft-decision decoding in MTR basic AND, OR and XOR logic circuits. The suggested approach is e ..."
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is explored over the two-track, two-head E2PR4 partial response magnetic recording system. The overall two-track channel detection complexity reduction of 41·9 % is offered in simulation scheme, encoded by Low-Density Parity-Check (LDPC) code, seri-ally concatenated with inner MTR. The 1·9 dB coding gain has

Mycobacterium tuberculosis MtrB Sensor Kinase Interactions with FtsI and Wag31 Proteins Reveal a Role for MtrB Distinct from That Regulating MtrA Activities

by Jaroslaw Dziadek, B Murty V. Madiraju, A Malini Rajagopalana
"... The septal association ofMycobacterium tuberculosisMtrB, the kinase partner of theMtrAB two-component signal transduction system, is necessary for the optimal expression of theMtrA regulon targets, including ripA, fbpB, and ftsI, which are involved in cell division and cell wall synthesis.Here, we s ..."
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The septal association ofMycobacterium tuberculosisMtrB, the kinase partner of theMtrAB two-component signal transduction system, is necessary for the optimal expression of theMtrA regulon targets, including ripA, fbpB, and ftsI, which are involved in cell division and cell wall synthesis.Here, we

Thermodynamics of electron flow in the bacterial decaheme cytochrome MtrF

by Breuer M, Zarzycki P. P, Rosso K. M, Blumberger J
"... metal-reducing bacterium • Capable of using extracellular solid metal oxides as terminal electron sinks • A complex system of many multiheme proteins transfers electrons to the cell exterior • MtrF: the first outer membrane decaheme c-type cytochrome whose crystal structure was determined • Crystal ..."
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metal-reducing bacterium • Capable of using extracellular solid metal oxides as terminal electron sinks • A complex system of many multiheme proteins transfers electrons to the cell exterior • MtrF: the first outer membrane decaheme c-type cytochrome whose crystal structure was determined • Crystal

Soft-decision Decoding of MTR Codes Using MAP in LC Approach

by Nikola Djuric, Vojin Senk, Trg D. Obradovica
"... Abstract – The MAP in LC approach was considered as a soft-decision decoding method for maximum-transition-run (MTR) codes. This method employs maximum a posteriori probability (MAP) approach into basic Boolean logic circuits of MTR decod-er, combining power of the MAP algorithm and low complexity o ..."
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systems. In this paper, the MAP in LC method was considered in framework of simple serial concatenation of LDPC-MTR codes over E2PR4 recording channel. Three versions of the MAP in LC approach have been developed, where max-log MAP in LC version shows nearly 2 dB coding gain at BER = 10-5.
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