Related Experiment Video
Updated: Jan 19, 2026
02:41
Amplification of a Suicide Plasmid in a Bacterial Host
Published on: September 26, 2025
270
Contemporary Classifications of Suicidal Behaviors
Benjamin Goodfellow1,2, Kairi Kõlves1, Diego De Leo1
1Australian Institute of Suicide Research and Prevention, World Health Organization Collaborating Centre for Research in Suicide Prevention and Training, Griffith University, Mt Gravatt, Australia.
Crisis
|September 13, 2019
Summary
Lack of standardized terminology hinders suicidology research. Establishing universal definitions for suicidal behavior is crucial before developing international classifications.
Area of Science:
- Psychiatry
- Psychology
- Public Health
Background:
- Decades of research in suicidology have been impeded by the lack of agreed-upon terminology, definitions, and operational classifications.
- This ambiguity complicates comparative analysis and the advancement of the field.
Purpose of the Study:
- To systematically review contemporary classifications of suicidal behavior.
- To analyze and compare these classifications based on scope and operational definitions.
Main Methods:
- Systematic literature review of suicidal behavior classifications.
- Analysis focused on classification scope (comprehensive vs. restricted) and the presence of operational definitions for intent.
Main Results:
- Classification systems are becoming more precise and operational over time.
- Internationally, classification development has outpaced the establishment of agreed-upon definitions and terms for suicidal behavior.
Conclusions:
- Universal agreement on definitions and terminology for suicidal behavior is a necessary precursor to effective classification system development.
- Standardized terminology will enhance clarity and consistency in clinical and research endeavors in suicidology.
More Related Videos
Related Concept Videos
02:41Amplification of a Suicide Plasmid in a Bacterial Host
270
Source: Tomás, J. M., et al. Generation of Null Mutants to Elucidate the Role of Bacterial Glycosyltransferases in Bacterial Motility. J. Vis. Exp. (2022).This video demonstrates the initiator-dependent amplification of a suicide plasmid in E. coli. The plasmid, which carries an antibiotic resistance gene, replicates only in the presence of an initiator protein encoded by the host. After electroporation and incubation in recovery medium, the mixture is plated on antibiotic-containing agar.
270
01:29Contemporary Psychology
2.1K
Psychology explores human behavior and mental processes through various lenses, each offering unique insights. This overview examines key subfields, including biopsychology, evolutionary, developmental, personality, and social psychology, highlighting their approaches and contributions to understanding complex human behaviors.
Biopsychology
Biopsychology, also known as biological psychology or behavioral neuroscience, focuses on the biological underpinnings of behavior and mental processes. It...
Biopsychology
Biopsychology, also known as biological psychology or behavioral neuroscience, focuses on the biological underpinnings of behavior and mental processes. It...
2.1K
01:21Contemporary Consumer
372
Defined by their adaptability to the digital age, the contemporary consumer has grown up with the internet as a key tool for purchasing decisions. These consumers are not just passive buyers but active participants in the market, influencing and determining a company's performance. Their expectations have evolved to prioritize convenience, speed, and personalization in all interactions. Online shopping, fast shipping, and on-demand services have become the norm, driven by their need for...
372
01:30Classification of Neurotransmitters
5.1K
Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
5.1K
01:30Classification of Leukocytes
5.0K
Leukocytes are classified into two groups based on the presence or absence of cytoplasmic granules. Granular leukocytes, which contain granules, belong to the myeloid lineage and are divided into three subtypes: neutrophils, eosinophils, and basophils. These cells are roughly spherical and characterized by the granules in their cytoplasm.
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...
5.0K
01:18Classification of Bones
9.6K
The bones of the human skeletal system are of varied shapes, sizes, and functions. They can be classified based on their shape and function into four major classes: long bones, short bones, flat bones, and irregular bones. Some classifications include a fifth type, the sesamoid bones, as a separate class, whereas others categorize them under short bones.
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...
9.6K