Pkd1l1 establishes left-right asymmetry and physically interacts with Pkd2

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Pkd1l1 establishes left-right asymmetry and physically interacts with Pkd2.

In mammals, left-right (L-R) asymmetry is established by posteriorly oriented cilia driving a leftwards laminar flow in the embryonic node, thereby activating asymmetric gene expression. The two-cilia hypothesis argues that immotile cilia detect and respond to this flow through a Pkd2-mediated mechanism; a putative sensory partner protein has, however, remained unidentified. We have identified ...

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Pkd1l1 complexes with Pkd2 on motile cilia and functions to establish the left-right axis.

The internal organs of vertebrates show distinctive left-right asymmetry. Leftward extracellular fluid flow at the node (nodal flow), which is generated by the rotational movement of node cilia, is essential for left-right patterning in the mouse and other vertebrates. However, the identity of the pathways by which nodal flow is interpreted remains controversial as the molecular sensors of this...

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Left-right asymmetry: nodal points.

The striking left-right asymmetry of visceral organs is known to depend on left- and right-side-specific cascades of gene expression during early embryogenesis. Now, developmental biologists are characterizing the earliest steps in asymmetry determination that dictate the sidedness of asymmetric gene expression. The proteins and structures involved control fascinating physiological processes, s...

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ژورنال

عنوان ژورنال: Development

سال: 2011

ISSN: 1477-9129,0950-1991

DOI: 10.1242/dev.058149