Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Gene Review:

HSI2 - B3 domain-containing transcription...

Arabidopsis thaliana

Synonyms: T6B20.17, T6B20_17, VAL1, VP1/ABI3-LIKE 1, high-level expression of sugar-inducible gene 2

Tsukagoshi, H. et al.

Tsukagoshi, Saijo, Shibata, Morikami, Nakamura,

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High impact information on HSI2

Transient coexpression of 35SHSI2 with Spo(min)LUC in protoplasts repressed the expression of LUC activity, and deletion or mutation of the EAR motif significantly reduced the repression activity of HSI2 [1].
A recessive mutation hsi2 of Arabidopsis (Arabidopsis thaliana) expressing luciferase (LUC) under control of a short promoter derived from a sweet potato (Ipomoea batatas) sporamin gene (Spo(min)LUC) caused enhanced LUC expression under both low- and high-sugar conditions, which was not due to increased level of abscisic acid [1].

References

Analysis of a sugar response mutant of Arabidopsis identified a novel B3 domain protein that functions as an active transcriptional repressor. Tsukagoshi, H., Saijo, T., Shibata, D., Morikami, A., Nakamura, K. Plant Physiol. (2005) [Pubmed]

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