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Chromoplasts--the last stages in plastid development
N Ljubesić1, M Wrischer, Z Devidé
1Ruder Boskovic Institute, Zagreb, Republic of Croatia, Yugoslavia.
The International Journal of Developmental Biology
|September 1, 1991
Summary
Chromoplasts develop diverse internal structures like plastoglobules, membranes, crystals, and tubules, influencing pigment content. These structures can appear sequentially or simultaneously during chromoplast formation and dedifferentiation.
Area of Science:
- Plant Biology
- Cell Biology
- Biochemistry
Background:
- Chromoplasts are vital plant organelles responsible for color.
- Their internal structure, particularly pigment-containing bodies, is diverse and complex.
- Understanding chromoplast development is key to understanding plant coloration.
Purpose of the Study:
- To review and synthesize current knowledge on chromoplast fine structure development.
- To identify and categorize the fundamental types of pigment-containing structures within chromoplasts.
- To explore the relationship between chromoplast structures and their pigment composition.
Main Methods:
- Literature review of investigations on chromoplast fine structures.
- Analysis of electron microscopy studies detailing chromoplast development.
- Comparative analysis of different plant species' chromoplasts.
Main Results:
- Identified four fundamental types of pigment-containing structures: plastoglobules, membranes, crystals, and tubules.
- Observed that these structures develop sequentially or concurrently within chromoplasts.
- Noted a correlation between specific structures and pigment content, though causality is unclear.
Conclusions:
- Chromoplast development involves a dynamic interplay of structural formations.
- The diversity of chromoplast structures contributes to the wide range of plant colors.
- Further research is needed to elucidate the precise relationship between chromoplast structure and pigment synthesis/accumulation.