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Data in support of quantification of pyrophosphate as a universal approach to determine polymerase activity and assay polymerase inhibitors.

ABSTRACT: Characterization of synthetic oligonucleotides and quantification of primer extension mediated by a human translesion synthesis polymerase ? (Pol ?) over drug-induced DNA lesions in the presence on modified nucleotide analogs is described. Extent of primer extension for each reaction was monitored by denaturing gel electrophoresis. The data was obtained to assess the performance of the fluorescence-based primer extension (PE-PiPer) assay [1] with respect to the established and conventionally used denaturing gel electrophoresis. The obtained data reflects the specific inhibition of translesion synthesis over cisplatin containing DNA with 5-OH-CTP.

SUBMITTER: Malvezzi S

PROVIDER: S-EPMC4510374 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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Data in support of quantification of pyrophosphate as a universal approach to determine polymerase activity and assay polymerase inhibitors.

Malvezzi S S Sturla S J SJ Tanasova M M

Data in brief 20150422

Characterization of synthetic oligonucleotides and quantification of primer extension mediated by a human translesion synthesis polymerase η (Pol η) over drug-induced DNA lesions in the presence on modified nucleotide analogs is described. Extent of primer extension for each reaction was monitored by denaturing gel electrophoresis. The data was obtained to assess the performance of the fluorescence-based primer extension (PE-PiPer) assay [1] with respect to the established and conventionally use ...[more]

PMID: 26217754

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Project description:The study of animal movement commonly requires the segmentation of continuous data streams into individual strides. The use of forceplates and foot-mounted accelerometers readily allows the detection of the foot-on and foot-off events that define a stride. However, when relying on optical methods such as motion capture, there is lack of validated robust, universally applicable stride event detection methods. To date, no method has been validated for movement on a circle, while algorithms are commonly specific to front/hind limbs or gait. In this study, we aimed to develop and validate kinematic stride segmentation methods applicable to movement on straight line and circle at walk and trot, which exclusively rely on a single, dorsal hoof marker. The advantage of such marker placement is the robustness to marker loss and occlusion. Eight horses walked and trotted on a straight line and in a circle over an array of multiple forceplates. Kinetic events were detected based on the vertical force profile and used as the reference values. Kinematic events were detected based on displacement, velocity or acceleration signals of the dorsal hoof marker depending on the algorithm using (i) defined thresholds associated with derived movement signals and (ii) specific events in the derived movement signals. Method comparison was performed by calculating limits of agreement, accuracy, between-horse precision and within-horse precision based on differences between kinetic and kinematic event. In addition, we examined the effect of force thresholds ranging from 50 to 150 N on the timings of kinetic events. The two approaches resulted in very good and comparable performance: of the 3,074 processed footfall events, 95% of individual foot on and foot off events differed by no more than 26 ms from the kinetic event, with average accuracy between -11 and 10 ms and average within- and between horse precision ?8 ms. While the event-based method may be less likely to suffer from scaling effects, on soft ground the threshold-based method may prove more valuable. While we found that use of velocity thresholds for foot on detection results in biased event estimates for the foot on the inside of the circle at trot, adjusting thresholds for this condition negated the effect. For the final four algorithms, we found no noteworthy bias between conditions or between front- and hind-foot timings. Different force thresholds in the range of 50 to 150 N had the greatest systematic effect on foot-off estimates in the hind limbs (up to on average 16 ms per condition), being greater than the effect on foot-on estimates or foot-off estimates in the forelimbs (up to on average ±7 ms per condition).

Dataset Information

Data in support of quantification of pyrophosphate as a universal approach to determine polymerase activity and assay polymerase inhibitors.

Publications

Data in support of quantification of pyrophosphate as a universal approach to determine polymerase activity and assay polymerase inhibitors.

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