PMID: 11607482Jul 5, 1994Paper

Expression of an auxin- and cytokinin-regulated gene in cambial region in Zinnia

Proceedings of the National Academy of Sciences of the United States of America
Z H Ye, J E Varner

Abstract

The expression patterns of a cDNA clone, p48h-10, of an auxin-induced gene were examined in isolated mesophyll cells of Zinnia and in the organs of Zinnia plants. In the isolated mesophyll cells, the mRNA accumulates in 48 hr of culture with 1-naphthaleneacetic acid alone. Because the first cell division occurs before 36 hr of culture, the gene probably is not involved in cell division. Benzyladenine does not induce expression of this gene, but the combination of 1-naphthaleneacetic acid and benzyladenine induces the mRNA accumulation about 24 hr earlier than does 1-naphthaleneacetic acid alone. Tissue print hybridization shows that the mRNA is present predominantly in the cambial region in stems, leaves, and roots and in the vascular bundles in flower buds but does not occur in the apical regions of shoot or root. The characteristics of the gene expression, including auxin- and cytokinin-regulated induction and cambial region localization, encourage us to suggest that the gene is involved in the early process of vascular differentiation.

References

Nov 1, 1992·The Plant Journal : for Cell and Molecular Biology·A J FlemingC Kuhlemeier
Sep 1, 1991·The Plant Cell·P SterkS C De Vries
Sep 1, 1991·The Plant Cell·L SossountzovM Delseny
Mar 1, 1993·The Plant Journal : for Cell and Molecular Biology·S ThomaC Somerville
Mar 1, 1993·The Plant Cell·A J FlemingC Kuhlemeier

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Citations

Mar 1, 1996·Plant Molecular Biology·Z H Ye, J E Varner
Oct 3, 1999·Comptes rendus de l'Académie des sciences. Série III, Sciences de la vie·S LachaudJ L Bonnemain
Jun 1, 1996·Annual Review of Plant Physiology and Plant Molecular Biology·Hiroo Fukuda
Jul 2, 2010·Annual Review of Cell and Developmental Biology·Ana Caño-DelgadoTaku Demura
Jan 12, 2011·The New Phytologist·Edouard Pesquet, Hannele Tuominen
Jan 15, 2003·The Journal of Biological Chemistry·Jean-Luc PonsMarc-André Delsuc
Jul 29, 1998·The Plant Journal : for Cell and Molecular Biology·C DomingoM C McCann
Dec 1, 2001·Plant & Cell Physiology·C NishitaniH Fukuda

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