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Gene Review:

GAMMA-TIP - aquaporin TIP1-1

Arabidopsis thaliana

Synonyms: GAMMA TONOPLAST INTRINSIC PROTEIN 1, GAMMA-TIP1, GAMMA-TONOPLAST INTRINSIC PROTEIN, T1J8.1, T1J8_1, ...

Ma, S. et al., Frangne, N. et al., Bienert, G.P. et al.

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High impact information on GAMMA-TIP

Expression of human AQP8 and plant Arabidopsis TIP1;1 and TIP1;2 in yeast decreased growth and survival in the presence of H(2)O(2) [1].
When most severely affected, miniature plants died, a phenotype partially complemented by the TIP1;1 homolog McMIP-F [2].
Phenotype and expression characteristics support a view of TIP1;1 functioning as a marker for vesicles that are targeted to the central vacuole [2].
Using RNA interference (RNAi) we reduced TIP1;1 to different extent in various lines [2].
In the present study, we investigated in young and mature leaves of Brassica napus L. the expression and localization of a vacuolar aquaporin homologous to radish gamma-tonoplast intrinsic protein/vacuolar-membrane integral protein of 23 kDa (TIP/VM 23) [3].

Anatomical context of GAMMA-TIP

We suggest a function for TIP1;1 in vesicle-based metabolite routing through or between pre-vacuolar compartments and the central vacuole [2].

References

Specific Aquaporins Facilitate the Diffusion of Hydrogen Peroxide across Membranes. Bienert, G.P., M??ller, A.L., Kristiansen, K.A., Schulz, A., M??ller, I.M., Schjoerring, J.K., Jahn, T.P. J. Biol. Chem. (2007) [Pubmed]
Loss of TIP1;1 aquaporin in Arabidopsis leads to cell and plant death. Ma, S., Quist, T.M., Ulanov, A., Joly, R., Bohnert, H.J. Plant J. (2004) [Pubmed]
Expression and distribution of a vaculoar aquaporin in young and mature leaf tissues of Brassica napus in relation to water fluxes. Frangne, N., Maeshima, M., Schäffner, A.R., Mandel, T., Martinoia, E., Bonnemain, J.L. Planta (2001) [Pubmed]

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TIP2	Arabidopsis thaliana
MIP	Bos taurus
MIP	Canis lupus familiaris
mipa	Danio rerio
mipb	Danio rerio
MIP	Homo sapiens
MIP	Macaca mulatta
Mip	Mus musculus
MIP	Pan troglodytes
Mip	Rattus norvegicus
mip	Xenopus (Silurana) tropicalis

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