Researchers find pathway that controls cell size and division

Organisms precisely regulate cell size to ensure that daughter cells have sufficient cellular material to thrive or to create specific cell types: a tiny sperm versus a gargantuan egg for example. In single-celled organisms such as yeast and bacteria nutrient availability is the primary determinant of cell size. In animal cells size is controlled in large part by a molecule that senses the blood sugar dependent hormone insulin.

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<p><a href="http://www.physorg.com/news105022290.html">Researchers find pathway that controls cell size and division</a></p> <p>Organisms precisely regulate cell size to ensure that daughter cells have sufficient cellular material to thrive or to create specific cell types: a tiny sperm versus a gargantuan egg for example. In single-celled organisms such as yeast and bacteria nutrient availability is the primary determinant of cell size. In animal cells size is controlled in large part by a molecule that senses the blood sugar dependent hormone insulin.</p>