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Related Concept Videos

The Tongue and Taste Buds00:49

The Tongue and Taste Buds

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The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or contain the sensory taste (or gustatory) receptor cells (fungiform, circumvallate, and foliate papillae). Embedded within each taste-related papilla are the taste buds—clusters of 30 to 100 gustatory receptor cells.
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Psychodynamic Perspectives on Personality01:27

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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...
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Taste Buds and Receptors01:20

Taste Buds and Receptors

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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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The Behavioral Perspective on Personality01:19

The Behavioral Perspective on Personality

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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.
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Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

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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...
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Social Cognitive Perspective on Personality01:30

Social Cognitive Perspective on Personality

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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...
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Perspectives on Neuroscience
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Current perspectives on alphavirus encapsidation, assembly and budding.

Kanchan Bhardwaj1,2, C T Ranjith-Kumar3, Prasenjit Guchhait2

  • 1Department of Biotechnology, School of Engineering & Technology, Manav Rachna International Institute of Research and Studies, Faridabad, India.

Frontiers in Cellular and Infection Microbiology
|January 21, 2026
PubMed
Summary
This summary is machine-generated.

Alphaviruses pose a growing global health threat, causing severe diseases. Understanding their assembly and budding is key to developing new antiviral therapies and vaccines.

Keywords:
alphavirusassemblycellular membranescytoskeletal componentsencapsidationhost factors

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Area of Science:

  • Virology
  • Molecular Biology
  • Public Health

Background:

  • Alphaviruses are significant global health threats, causing arthritic and encephalitic diseases in humans and animals.
  • Their transmission via mosquitoes and potential for adaptive evolution highlight their public health importance.
  • Current limitations in therapies and vector control necessitate a deeper understanding of viral mechanisms.

Purpose of the Study:

  • To review and integrate current research on alphavirus assembly and budding.
  • To identify key viral and host factors involved in the alphavirus life cycle.
  • To highlight mechanistic gaps crucial for developing novel intervention strategies.

Main Methods:

  • Review of existing literature on alphavirus RNA encapsidation.
  • Analysis of structural data on alphavirus architecture.
  • Examination of the roles of host factors, membranes, and cytoskeleton in viral replication.

Main Results:

  • Alphavirus assembly and budding involve complex interactions between viral components and host cellular machinery.
  • Viral RNA encapsidation, structural integrity, and host factor utilization are critical for efficient virus production.
  • Coordination of viral and host elements dictates the spatial and temporal progression of the viral life cycle.

Conclusions:

  • A comprehensive understanding of alphavirus assembly and budding is essential for effective disease control.
  • Integrating knowledge of viral and host factors will guide the development of next-generation antiviral and vaccine strategies.
  • Addressing mechanistic gaps in the viral life cycle is paramount for combating alphavirus infections.