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The archaea are a group of
2020-02-24

The archaea are a group of microorganisms, and many belong to extremophiles, living in extreme environments, such as those with high temperatures [6], [7]. Methanocaldococcus jannaschii is a methane-producing archaea [8]. It grows at pressures of up to more than 200atm and at an optimum temperature
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As temperatures increase rates of
2020-02-24

As temperatures increase, rates of spontaneous deamination also increase such that hyperthermophilic organisms must have efficient mechanisms for dealing with this potential hazard.8., 9. The hyperthermophile Methanococcus jannaschii has both a dCTP deaminase (encoded by the gene at locus MJ0430) an
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glucose transporter While we previously demonstrated that
2020-02-24

While we previously demonstrated that TraG is inhibited by specific transglycosylase inhibitors and that enzymatic activity is strongly reduced upon mutation of the potential catalytic core (Arends et al., 2013), the enzymatic mechanism of both domains was not assigned. Here, by mass spectrometry an
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In the current study cocaine did not significantly
2020-02-24

In the current study, cocaine did not significantly increase negative subjective effects and nepicastat did not increase these responses. This outcome is somewhat surprising given that the most commonly reported effect to date has been to increase the aversive properties of cocaine such as anxiety,
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One of the hallmarks of the terminal stages
2020-02-24

One of the hallmarks of the terminal stages of apoptosis is the fragmentation of chromosomal DNA that proceeds in a two-step manner: the DNA is initially cleaved into 50–300kb fragments and eventually into oligonucleosomal pieces [12], [13]. The two major apoptotic nucleases are DNA fragmentation fa
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During DNA replication p protein binds
2020-02-24

During DNA replication p21 protein binds PCNA, in its role as processivity factor, to stop replication when there is DNA damage, and apparently p21 also binds PCNA when this is in complex with Cyc/CDKs [11]. In plants, KRPs (functional analogs of p21), inhibit kinase activity in CycD/CDKs complexes
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br Genomic actions in the breast
2020-02-24

Genomic actions in the breast Conclusion Clinical studies suggest that progesterone and/or progestins may play a decisive role in the development of breast cancer in women using hormone therapy or oral contraceptives [3], [4]. However, this data are controversial to most experimental investiga
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br Experimental Procedures br Author
2020-02-24

Experimental Procedures Author Contributions Acknowledgments We thank the Mouse Modeling, Integrated Microscopy, and FACS Facilities of IGB-CNR, Naples. Dr. Laura Pisapia is acknowledged for flow cytometry analyses. We are grateful to Prof. Chris Ponting and George A. Calin for insightful s
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Future advances in the in
2020-02-24

Future advances in the in vivo molecular imaging of enzyme activity will greatly benefit from the progress towards the quantitative detection of enzymes. Quantitative imaging requires knowledge of both the location and concentration of a specific enzyme, which is dependent on the simultaneous measur
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The COMT gene is involved in numerous psychological and phys
2020-02-22

The COMT gene is involved in numerous psychological and physiologic processes, including modulation of pain. Polymorphisms in this gene have also been associated with many painful conditions, including pain sensitivity in children. Bivariate analysis demonstrated that individuals with heterozygous C
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EP receptor is known to mediate the
2020-02-22

EP4 receptor is known to mediate the protective effect of PGE2 on the respiratory, gastrointestinal and glomerular epithelial lining (Aoudjit et al, 2006, Kabashima et al, 2002, Schmidt et al, 2011). In this study, the expression of asEP4 in the gills was limited to the epithelial lining suggesting
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Emergence of antibiotic resistant strains of
2020-02-22

Emergence of antibiotic resistant strains of Mtb alongwith the inefficacy of widely used Bacillus Calmette-Guerin (BCG) vaccine in adults are major challenges in the treatment and prevention of TB. Elucidation and characterization of new vaccine and drug candidates are therefore required in order to
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neomycin sulfate synthesis In general cellular senescence is
2020-02-22

In general, cellular senescence is considered a programmed response to stress that can be activated by oxidative stress, irradiation or action of substances or drugs. These stressors cause DNA damage and, through the action of specific proteins (p53 and p21), lead to cell senescence (di Fagagna, 200
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The IP R is a ubiquitously
2020-02-22

The IP3R is a ubiquitously expressed Ca2+-release channel from the ER, activated by IP3, produced upon cellular stimulation by hormones, growth factors or neurotransmitters. Three genes are coding for the IP3R and their gene products (IP3R1, IP3R2, IP3R3) assemble in functional homo- or heterotetram
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Indeed some cancers may even be
2020-02-22

Indeed, some cancers may even be defined by dysregulated cyclin and thus CDK activity: mantle cell lymphoma, an uncommon lymphoma of mature B cells, is defined by the presence of overexpressed cyclin D1, usually as a result of a translocation between chromosomes 11 and 14 with the net result that cy
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