Gai

Hormone clue to root growth

..., the zone of cell proliferation. Plants in which the cells in the meristem were made to express a mutant version of the growth-repressing protein gai not degraded by gibberellin showed disrupted cell proliferation. Expressing this mutant form, gai, in only one tissue, the endodermis (the innermost l...

Cell 'anchors' required to prevent muscular dystrophy

...e don't have properly functioning costameres. They knew, however, that knocking out ankyrin-B causes the mice to die soon after birth. Fortunately, gai Ayalon, Ph.D., a postdoctoral fellow in the Bennett laboratory, devised a method that let researchers manipulate gene expression in a specific section...

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