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Related Concept Videos

Rolling With Slipping01:14

Rolling With Slipping

Rolling with slipping is a physical phenomenon that occurs when a rolling object experiences both rotational and linear motion but also experiences frictional forces that cause slipping. This phenomenon can occur in various situations, such as when a tire rolls on a wet road or a ball rolls on a rough surface.
An object's rolling motion is characterized by its rotation around its axis, while linear motion refers to the object's translational motion along a surface. Frictional forces can affect...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Rolling Resistance01:21

Rolling Resistance

When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
Rolling Without Slipping01:09

Rolling Without Slipping

People have observed the rolling motion without slipping ever since the invention of the wheel. For example, one can look at the interaction between a car's tires and the surface of the road. If the driver presses the accelerator to the floor so that the tires spin without the car moving forward, there must be kinetic friction between the wheels and the road's surface. If the driver slowly presses the accelerator, causing the car to move forward, the tires roll without slipping. It is essential...
Retroviruses02:33

Retroviruses

Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
Kinetic Friction01:26

Kinetic Friction

Consider a truck trying to pull a stationary car. As the truck exerts a force on the car, static friction is created at the point of contact between the two surfaces. This frictional force resists the car's movement and keeps it at rest. However, when the applied force by the truck surpasses the limiting static frictional force, an interesting phenomenon occurs. The frictional force at the interface reduces to a lower value, known as the kinetic frictional force. At this point, the car begins...

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Go retro and get a GRIP.

Kim Wong, David J Adams, Thomas M Keane

    Genome Biology
    |March 22, 2013
    PubMed
    Summary
    This summary is machine-generated.

    New gene functions arise from gene retrocopy insertions, which can now be identified using paired-end whole genome sequencing. This method advances our understanding of genomic evolution and gene discovery.

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    Area of Science:

    • Genomics
    • Molecular Biology
    • Evolutionary Biology

    Background:

    • Gene retrocopy insertions contribute to the generation of novel genes and functions.
    • Understanding these events is crucial for deciphering genome evolution.

    Purpose of the Study:

    • To present a method for identifying gene retrocopy insertions.
    • To leverage paired-end whole genome sequencing for this purpose.

    Main Methods:

    • Utilizing paired-end whole genome sequencing data.
    • Developing computational approaches for retrocopy insertion detection.

    Main Results:

    • Gene retrocopy insertions can be reliably identified using the proposed method.
    • This approach facilitates the discovery of new genes and functions.

    Conclusions:

    • Paired-end whole genome sequencing is an effective tool for identifying gene retrocopy insertions.
    • This capability enhances the study of genomic innovation and gene evolution.