BRX mediates feedback between brassinosteroid levels and auxin signaling in root growth

Article Abstract:

The BREVIS RADIX (BRX)-GFP fusion proteins were expressed under the control of heterologous promoters in [brx.sup.S] seedlings to determine where BRX expression was required for seed growth. Results reveal that brassinoid biosynthesis and auxin signaling are connected through a feedback loop, which involves BRX and is required for optimal growth, both embryonically and post-embryonically.

United Kingdom, Physiological aspects, Arabidopsis, Auxin, Auxins

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Insight into steroid scaffold formation from the structure of human oxidosqualene cyclase

Article Abstract:

The formation of steroid scaffold in higher organisms is catalyzed exclusively by the membrane-bound oxidosqualene cyclase (OSC). In a highly sensitive cyclization reaction OSC forms ianosterol with seven chiral centres starting from the linear substrate 2,3-oxidoscalene.

United States

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Zippier synthesis in water

Article Abstract:

The article discusses the synthesis of various complex toxin molecules from water by employing a single zip reaction technique.

Other Marine Fishing, Miscellaneous marine products, Seaweed & Algae, Marine algae, Chemical properties, Poisonous fishes, Ciguatoxin

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