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The chloroplast and its plastid relatives

A graphic depicts the different types of plastids: chloroplast, gerontoplast, chromoplast, amyloplast, elaioplast, etioplast and proplastid.

 

Plastids are a group of organelles found in the cells of plants, algae and some other small organisms. They come in different forms — each with its own specialized function —and can change identity to match the specific needs of a cell. For example: Amyloplasts store starch; elaioplasts store lipids; chromoplasts store pigments that give flowers and fruits their colors. Also shown are proplastids (immature plastids), etioplasts (chloroplasts before exposure to light) and gerontoplasts (which develop from chloroplasts as leaves decay).

 

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Read more in Knowable Magazine

 

Chloroplasts do the darndest things

As if harvesting the sun’s energy to sustain life on Earth weren’t enough, the small green organelles and their relatives are involved in a broad range of other tasks, from manufacturing nutrients and signaling stress to fostering plant immunity

knowablemagazine.org/article/living-world/2021/chloroplas...

 

Read more from Annual Reviews

 

An Emerging Role for Chloroplasts in Disease and Defense, Annual Review of Phytopathology

Chloroplasts are crucial players in the immune system of plants. They have a multitude of roles, such as generating defense hormones like jasmonic acid and controlling how the nucleus produces key pathogen-fighting genes.

knowmag.org/3P2uiBW

 

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Knowable Magazine from Annual Reviews is a digital publication that seeks to make scientific knowledge accessible to all. Through compelling articles, beautiful graphics, engaging videos and more, Knowable Magazine explores the real-world impact of research through a journalistic lens. All content is rooted in deep reporting and undergoes a thorough fact-checking before publication.

 

The Knowable Magazine Science Graphics Library is an initiative to create freely available, accurate and engaging graphics for teachers and students. All graphics are curated from Knowable Magazine articles and are free for classroom use.

 

Knowable Magazine is an editorially independent initiative produced by Annual Reviews, a nonprofit publisher dedicated to synthesizing and integrating knowledge for the progress of science and the benefit of society.

 

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Uploaded on August 25, 2022
Taken on October 13, 2021