Brassinosteroids

Brassinosteroids (BRs) are a class of plant hormones that play crucial roles in various physiological processes throughout the plant's life cycle. They were first discovered for their ability to promote stem elongation and were named after the brassinolide, one of the first compounds isolated in this class.

Key points about brassinosteroids are :

1. Structural Diversity: Brassinosteroids exhibit structural diversity, with over 70 different types identified in plants. Despite their structural diversity, they all share a common steroid backbone structure, which resembles that _______ __________ __________ ______ ______.
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