Related Experiment Video
Updated: May 13, 2026
06:19
In situ Protocol for Butterfly Pupal Wings Using Riboprobes
Published on: May 28, 2007
11.4K
A Proteomic View of Butterfly Metamorphosis
Andrew Hesketh1, Juned Kadiwala1, Vaishnavi Ravikumar2
1Brighton Integrative Genomics (BIG) Unit and the Centre for Precision Health and Translational Medicine, School of Applied Sciences, University of Brighton, Brighton BN2 6DN, UK.
Proteomes
|December 24, 2025
Summary
This study reveals key protein changes during butterfly metamorphosis. It identifies proteins involved in tissue breakdown, adult structure formation, and energy metabolism, offering new insights into insect development.
Area of Science:
- Developmental Biology
- Proteomics
- Entomology
Background:
- Insect metamorphosis is a complex developmental process involving larval tissue breakdown and adult structure formation.
- The molecular mechanisms driving this transformation, particularly protein abundance changes, are not fully understood.
- There is a lack of comprehensive proteomic data for insect metamorphosis.
Purpose of the Study:
- To perform a whole-organism proteomic analysis of butterfly metamorphosis.
- To identify proteins with changing abundance during the transition from larva to adult.
- To provide a foundational dataset for future studies on insect development.
Main Methods:
- Utilized a label-free quantitative bottom-up proteomic approach.
- Analyzed consecutive developmental stages of male *Bicyclus anynana* butterflies.
- Performed statistical analysis to identify significantly changing proteins.
Main Results:
- Generated a proteomic dataset of 2749 detected proteins.
- Identified 90 proteins with significant abundance changes during metamorphosis.
- Highlighted proteins involved in cuticle formation, apoptosis, autophagy, respiration, and energy metabolism.
Conclusions:
- The study establishes a protein-level reference for butterfly metamorphosis.
- Suggests the importance of post-translational modifications in this developmental process.
- Provides a basis for further research into the molecular regulation of insect transformation.
Related Concept Videos
01:13Protein Organization
Overview
01:22Protein Folding
Overview
02:15Protein and Protein Structure
Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme can...
A protein's shape is critical to its function. For example, an enzyme can...
01:24Protein Organization
Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
The primary structure of a protein is its amino acid sequence.
01:25Protein Folding
Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
01:26Bacterial Protein Maturation
Bacterial protein maturation is a tightly regulated process that ensures newly synthesized polypeptides achieve correct functional conformations. This maturation involves a series of modifications, folding events, and quality control steps, often assisted by specialized chaperone proteins.N-Terminal ModificationsThe maturation of bacterial polypeptides begins cotranslationally as the polypeptide exits the ribosome. The first amino acid, N-formylmethionine (fMet), is typically modified at the...