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The tonoplast intrinsic protein in Arabidopsis roots

photo by dullhunk on Flickr

The tonoplast intrinsic protein in Arabidopsis roots — Fotopedia
Imaging of the tonoplast intrinsic protein in Arabidopsis roots.
Some members of the Arabidopsis tonoplast intrinsic protein (TIP) family are predicted to be expressed in root tissues. In 8 day old Arabidopsis roots, TIP2-1 (delta-TIP1) was localized in a small region at the base of lateral roots (green). TIP2-1 (delta-TIP1) was fused to a yellow fluorescent protein and root cell walls were stained with propidium iodide (red), and staining visualized by confocal laser scanning microscopy.

CC-licensed picture taken from: S. Gattolin et al., BMC Plant Biology 2009, 9:133

www.biomedcentral.com/1471-2229/9/133/abstract/
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Protein

Proteins (/ˈprˌtnz/ or /ˈprti.ɨnz/) are large biological molecules, or macromolecules, consisting of one or more long chains of amino acid residues. Proteins perform a vast array of functions within living organisms, including catalyzing metabolic reactions, replicating DNA, responding to stimuli, and transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the nucleotide sequence of their genes, and which usually results in folding of the protein into a specific three-dimensional structure that determines its activity.


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