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Gene Review:

SGR2 - protein shoot gravitropism 2

Arabidopsis thaliana

Synonyms: SHOOT GRAVITROPISM 2, T8E3.1, T8E3_1

Morita, M.T. et al., Kato, T. et al., Fukaki, H. et al.

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High impact information on SGR2

SGR2, a phospholipase-like protein, and ZIG/SGR4, a SNARE, are involved in the shoot gravitropism of Arabidopsis [1].
These results strongly suggest that the vacuole participates in the early events of gravitropism and that SGR2 and ZIG functions are involved [2].
The fusion protein of SGR2 and green fluorescent protein localized to the vacuole and small organelles [2].
The sgr2 mutants also had misshapen seed and seedlings, whereas the stem of the zig/sgr4 mutants elongated in a zigzag fashion [1].
SGR1, SGR2, SGR3: novel genetic loci involved in shoot gravitropism in Arabidopsis thaliana [3].

Analytical, diagnostic and therapeutic context of SGR2

These observations indicate that ZIG and SGR2 are involved in the formation and function of the vacuole, a notion supported by the results of subcellular analysis of the sgr2 and zig mutants with electron microscopy [2].

References

SGR2, a phospholipase-like protein, and ZIG/SGR4, a SNARE, are involved in the shoot gravitropism of Arabidopsis. Kato, T., Morita, M.T., Fukaki, H., Yamauchi, Y., Uehara, M., Niihama, M., Tasaka, M. Plant Cell (2002) [Pubmed]
Involvement of the vacuoles of the endodermis in the early process of shoot gravitropism in Arabidopsis. Morita, M.T., Kato, T., Nagafusa, K., Saito, C., Ueda, T., Nakano, A., Tasaka, M. Plant Cell (2002) [Pubmed]
SGR1, SGR2, SGR3: novel genetic loci involved in shoot gravitropism in Arabidopsis thaliana. Fukaki, H., Fujisawa, H., Tasaka, M. Plant Physiol. (1996) [Pubmed]

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