نتایج جستجو برای: dynamic replication

تعداد نتایج: 505259  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده مهندسی 1389

abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...

Journal: :Annual review of biophysics 2010
Antoine M van Oijen Joseph J Loparo

Replication of DNA is carried out by the replisome, a multiprotein complex responsible for the unwinding of parental DNA and the synthesis of DNA on each of the two DNA strands. The impressive speed and processivity with which the replisome duplicates DNA are a result of a set of tightly regulated interactions between the replication proteins. The transient nature of these protein interactions ...

2009
Mohammed Madi Suhaidi Hassan Yuhanis Yusof

Data Grid is an infrastructure that manages huge amount of data files, and provides intensive computational resources across geographically distributed collaboration. To increase resource availability and to ease resource sharing in such environment, there is a need for replication services. Data replication is one of the methods used to improve the performance of data access in distributed sys...

Journal: :Structure 2017
Jamie R Wallen Hao Zhang Caroline Weis Weidong Cui Brittni M Foster Chris M W Ho Michal Hammel John A Tainer Michael L Gross Tom Ellenberger

The physical organization of DNA enzymes at a replication fork enables efficient copying of two antiparallel DNA strands, yet dynamic protein interactions within the replication complex complicate replisome structural studies. We employed a combination of crystallographic, native mass spectrometry and small-angle X-ray scattering experiments to capture alternative structures of a model replicat...

Journal: :JCP 2014
Sri Chusri Haryanti Riri Fitri Sari

In the interest of achieving higher reliability, mobile ad hoc grid should apply a fault tolerance in resource allocation scheme. Resource allocation plays a critical role in mobile ad hoc grids due to the dynamic nature of nodes connection. Allocating appropriate resources for the tasks can avoid uncompleted tasks and ensure service reliability. We propose two approaches for avoiding tasks fai...

Journal: :Cell cycle 2009
Lance D Langston Chiara Indiani Mike O'Donnell

Replisomes were originally thought to be multi-protein machines with a stabile and defined structure during replication. Discovery that replisomes repeatedly discard sliding clamps and assemble a new clamp to start each Okazaki fragment provided the first hint that the replisome structure changes during replication. Recent studies reveal that the replisome is more dynamic than ever thought poss...

Journal: :IEEE Trans. Vehicular Technology 2015
Fabrício A. Silva Azzedine Boukerche Thais R. M. Braga Silva Fabrício Benevenuto Linnyer Beatrys Ruiz Antonio Alfredo Ferreira Loureiro

The evolving of vehicular network applications, from simple alert message exchanging to more elaborated and sophisticated systems, boosts the need for content delivery solutions. A useful technique, in such case, is the content replication, in which strategically selected vehicles replicate content and help on the delivery process. However, content replication is particularly challenging in veh...

1990
Uwe M. Borghoff

Replication can enhance the availability of the data les in a distributed environment. This paper introduces a method for managing replicated data les. Unlike many others, our method provides protocols and algorithms for a more complicated scheme of replication that supports replication with location-variant les and les with a variable degree of replication. We assume the existence of a dynamic...

2010
D. Baddeley V. O. Chagin L. Schermelleh S. Martin A. Pombo P. M. Carlton A. Gahl P. Domaing U. Birk H. Leonhardt C. Cremer M. C. Cardoso

DNA replication, similar to other cellular processes, occurs within dynamic macromolecular structures. Any comprehensive understanding ultimately requires quantitative data to establish and test models of genome duplication. We used two different super-resolution light microscopy techniques to directly measure and compare the size and numbers of replication foci in mammalian cells. This analysi...

2007
Lothar Schermelleh Andrea Haemmer Fabio Spada Nicole Rösing Daniela Meilinger Ulrich Rothbauer M. Cristina Cardoso Heinrich Leonhardt

Postreplicative maintenance of genomic methylation patterns was proposed to depend largely on the binding of DNA methyltransferase 1 (Dnmt1) to PCNA, a core component of the replication machinery. We investigated how the slow and discontinuous DNA methylation could be mechanistically linked with fast and processive DNA replication. Using photobleaching and quantitative live cell imaging we show...

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