Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Psychodynamic Perspectives on Personality01:27

Psychodynamic Perspectives on Personality

1.6K
The psychodynamic perspective in psychology asserts that most personality functions operate unconsciously, outside of awareness. This means that the motives and emotions driving behavior often remain hidden, automatically buried in the unconscious mind as a defense mechanism to shield us from psychological distress. According to this theory, the unconscious mind contains thoughts, memories, and emotions that are too disturbing to face directly.
Psychodynamic theorists argue that unconscious...
1.6K
The Behavioral Perspective on Personality01:19

The Behavioral Perspective on Personality

823
Behaviorists view personality as primarily shaped by environmental reinforcements and consequences. According to this perspective, behavior is influenced by external stimuli, and individuals adjust their actions based on rewards and punishments. Over time, learning histories — accumulated patterns of reinforcement — play a significant role in shaping personality. Behaviors that lead to positive outcomes are reinforced, while those resulting in negative outcomes are diminished.
823
Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

348
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
348
Social Cognitive Perspective on Personality01:30

Social Cognitive Perspective on Personality

1.0K
Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
1.0K
Phase Diagrams02:39

Phase Diagrams

49.9K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
49.9K
Phase Transitions02:31

Phase Transitions

22.8K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
22.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Unprocessed U1 snRNAs as a biomarker of INTS11- and BRAT1-related neurodevelopmental disorders.

Genome medicine·2026
Same author

BRCA2-dependent maturation of nascent strands during DNA replication.

Molecular cell·2026
Same author

Distinct mechanisms of replication stress induced by oncogenic RAS and cyclin E1 converge on R-loop-dependent fork reversal.

Nature communications·2026
Same author

The mediating role of acute respiratory infections in temperature-mortality associations in the Czech Republic, 1982-2019.

International journal of biometeorology·2026
Same author

Links between influenza epidemics, weather characteristics and all-cause mortality in the Czech Republic, 1982-2020.

BMC public health·2025
Same author

Discovery and Structural Optimization of 2-Hydrazinopyrimidin-4-one Analogs Inhibiting Human ADP-Ribosylhydrolase ARH3.

ACS chemical biology·2025

Related Experiment Video

Updated: Jan 25, 2026

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.3K

Perspectives on PARPs in S Phase.

Hana Hanzlikova1, Keith W Caldecott1

  • 1Genome Damage and Stability Centre, University of Sussex, Falmer, Brighton BN1 9RQ, UK; Department of Genome Dynamics, Institute of Molecular Genetics of the Czech Academy of Sciences, 142 20 Prague, 4, Czech Republic.

Trends in Genetics : TIG
|May 1, 2019
PubMed
Summary

Accurate DNA replication is vital for cell survival, facing challenges like nucleotide shortages and DNA lesions. Poly(ADP-ribose) polymerases (PARPs) are key enzymes protecting DNA replication forks, offering potential in cancer therapy.

Keywords:
DNA replication stressDNA strand break repairOkazaki fragmentPARP1PARP2poly(ADP-ribose)

More Related Videos

Acquisition of High-Quality Digital Video of Drosophila Larval and Adult Behaviors from a Lateral Perspective
07:00

Acquisition of High-Quality Digital Video of Drosophila Larval and Adult Behaviors from a Lateral Perspective

Published on: October 4, 2014

9.1K
BioMEMS and Cellular Biology: Perspectives and Applications
16:30

BioMEMS and Cellular Biology: Perspectives and Applications

Published on: October 1, 2007

10.2K

Related Experiment Videos

Last Updated: Jan 25, 2026

Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

5.3K
Acquisition of High-Quality Digital Video of Drosophila Larval and Adult Behaviors from a Lateral Perspective
07:00

Acquisition of High-Quality Digital Video of Drosophila Larval and Adult Behaviors from a Lateral Perspective

Published on: October 4, 2014

9.1K
BioMEMS and Cellular Biology: Perspectives and Applications
16:30

BioMEMS and Cellular Biology: Perspectives and Applications

Published on: October 1, 2007

10.2K

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • Accurate DNA replication during S phase is crucial for genome stability and cell viability.
  • DNA replication faces challenges from nucleotide limitations and DNA lesions, requiring protective mechanisms.

Purpose of the Study:

  • To review the roles of poly(ADP-ribose) polymerases (PARPs) in DNA replication.
  • To discuss the impact of PARPs on genome stability and cellular viability in normal and cancer cells.
  • To highlight PARPs as potential targets for anticancer therapy.

Main Methods:

  • Literature review of studies on PARPs and DNA replication.
  • Analysis of the mechanisms protecting DNA replication forks.
  • Examination of PARP function in normal and cancer cells.

Main Results:

  • PARPs play a significant role in protecting DNA replication forks.
  • PARP activity impacts genome integrity and cellular viability.
  • Dysregulation of PARPs is observed in cancer cells.

Conclusions:

  • PARPs are essential for maintaining genome stability during DNA replication.
  • PARPs represent promising therapeutic targets for anticancer strategies.
  • Further research into PARP function can advance cancer treatment.