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| Title |
A myb gene required for leaf trichome differentiation in Arabidopsis is expressed in stipules. |
| Author |
Oppenheimer DG, Herman PL, Sivakumaran S, Esch J, Marks MD. |
| Issue |
Cell. 1991 Nov 1;67(3):483-93. |
| Abstract |
The GL1 gene is required for the initiation of differentiation of hair cells (trichomes) on the crucifer, Arabidopsis thaliana. This gene has been localized to a 4.5 kb DNA fragment by molecular complementation of gl1 mutants. DNA sequence analysis has shown that the protein encoded by GL1 contains a Myb DNA-binding motif. Southern analysis and subsequence analysis of isolated lambda clones has established that GL1 is a member of an extensive myb gene family in Arabidopsis. The putative GL1 promoter directs the expression of the GUS reporter gene in non-trichome-bearing structures that appear to be stipules. This pattern of expression suggests that GL1 may control the synthesis of a diffusible signal that activates the developmental pathway for trichome differentiation.
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| Link |
1934056 |
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