Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

ATP Driven Pumps I: An Overview

ATP Driven Pumps I: An Overview

ATP-driven pumps, also known as transport ATPases, are integral membrane proteins. They have binding sites for ATP located on the membrane's cytosolic side and the ion-conducting domain in the transmembrane region. These pumps use the free energy released from ATP hydrolysis to move the solutes across cell membranes against an electrochemical gradient.
There are four main types of ATP-driven pumps - P-type, V-type, F-type, and ABC transporter. All these pumps are of varying complexities and are...

Factors Affecting Perception

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...

ATP Synthase: Mechanism

ATP Synthase: Mechanism

In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased ATP...

ATP Driven Pumps III: V-type Pumps

ATP Driven Pumps III: V-type Pumps

V-type pumps are ATP-driven pumps found in the vacuolar membranes of plants, yeast, endosomal and lysosomal membranes of animal cells, plasma membranes of a few specialized eukaryotic cells, and some prokaryotes. They are also known as the V1Vo-ATPase, that couple ATP hydrolysis to transport protons against a concentration gradient.
The peripheral or cytosolic V1 domain with eight subunits is involved in ATP hydrolysis. The integral or transmembrane V0 domain containing at least five subunits...

ATP Synthase: Structure

ATP Synthase: Structure

ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in response to the electrochemical gradient, producing ATP from ADP and inorganic phosphate. ATP synthase can also work in a reverse direction by hydrolyzing ATP and generating an electrochemical gradient. Different forms of ATP synthases have evolved special features to meet the specific demands of the cell. Based on their specific feature, ATP...

ATP Driven Pumps II: P-type Pumps

ATP Driven Pumps II: P-type Pumps

The P-type pumps are a large family of integral membrane transporter ATPases. They are divided into five major types based on substrate specificity, from I to V.
A typical P-type pump has three cytosolic domains: nucleotide-binding (N), phosphorylation (P), and activator (A) domains. These domains are connected to the membrane-spanning helices by short amino acid segments. ATP hydrolysis and covalent phosphoenzyme intermediate formation are crucial parts of the catalytic cycle. At the highly...

You might also read

Related Articles

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

Sort by

Same author

'Feeling like a deer in the headlights': A qualitative study of registrar experience in early general practice training.

Australian journal of general practice·2022

Same author

COVID-19, children and anxiety in 2020.

Australian journal of general practice·2020

Same author

Heaven, earth, hell.

Australian family physician·2010

Same author

A healthy bottom line.

Australian family physician·2010

Same author

Aspirin, flu and general practice research.

Australian family physician·2010

Same author

The complexities of our outer layer.

Australian family physician·2009

Same journal

Occupational violence and staff safety in general practice.

Australian family physician·2018

Same journal

You should get that mole checked out: Ethical and legal considerations of the unsolicited clinical opinion.

Australian family physician·2018

Same journal

Understanding the decision to commence a dose administration aid.

Australian family physician·2018

Same journal

Psychological distress and risky sexual behaviours among women aged 16-25 years in Victoria, Australia.

Australian family physician·2018

Same journal

A mixed-methods feasibility study of routinely weighing patients in general practice to aid weight management.

Australian family physician·2018

Same journal

The Australian Mid-West Coastal Marine Wound Infections Study.

Australian family physician·2018

See all related articles

Search research articles

Related Experiment Video

Updated: Jul 5, 2026

Measuring In Vitro ATPase Activity for Enzymatic Characterization

Measuring In Vitro ATPase Activity for Enzymatic Characterization

Published on: August 23, 2016

The way we look at things.

Australian Family Physician

|May 10, 2008

Summary

This summary is machine-generated.

Presbyopia, or age-related farsightedness, affects vision clarity and can impact daily interactions. However, this condition offers unique insights into observer bias and enhances empathy for patient perspectives.

More Related Videos

Two-photon Imaging of Microglial Processes' Attraction Toward ATP or Serotonin in Acute Brain Slices

Two-photon Imaging of Microglial Processes' Attraction Toward ATP or Serotonin in Acute Brain Slices

Published on: January 31, 2019

Fluorescence Microscopy for ATP Internalization Mediated by Macropinocytosis in Human Tumor Cells and Tumor-xenografted Mice

Fluorescence Microscopy for ATP Internalization Mediated by Macropinocytosis in Human Tumor Cells and Tumor-xenografted Mice

Published on: June 30, 2021

Related Experiment Videos

Last Updated: Jul 5, 2026

Measuring In Vitro ATPase Activity for Enzymatic Characterization

Measuring In Vitro ATPase Activity for Enzymatic Characterization

Published on: August 23, 2016

Two-photon Imaging of Microglial Processes' Attraction Toward ATP or Serotonin in Acute Brain Slices

Two-photon Imaging of Microglial Processes' Attraction Toward ATP or Serotonin in Acute Brain Slices

Published on: January 31, 2019

Fluorescence Microscopy for ATP Internalization Mediated by Macropinocytosis in Human Tumor Cells and Tumor-xenografted Mice

Fluorescence Microscopy for ATP Internalization Mediated by Macropinocytosis in Human Tumor Cells and Tumor-xenografted Mice

Published on: June 30, 2021

Area of Science:

Ophthalmology
Human Factors

Background:

Presbyopia, characterized by difficulty focusing on near objects, affects individuals over 40.
The need for reading glasses can disrupt seamless interaction and presence in professional settings.

Discussion:

The subjective experience of presbyopia highlights the impact of 'observer factors' on perception.
Visual impairment can paradoxically foster a deeper understanding of patient experiences and challenges.

Key Insights:

Personal experience with presbyopia reveals how physical changes alter perception and interaction.
Empathy development is linked to understanding limitations and subjective viewpoints.

Outlook:

Further research into the psychological and professional impacts of age-related vision changes is warranted.
Exploring how sensory changes influence professional judgment and patient care can offer new perspectives.