An altered body plan is conferred on Arabidopsis plants carrying dominant alleles of two genes.
An altered body plan is conferred on Arabidopsis plants carrying dominant alleles of two genes.
复制标题
携带两个基因的显性等位基因的拟南芥植物被赋予了改变的身体结构。
作者：
Vojislava Grbić;A. Bleecker
在本文中，我们描述了一种晚花生态型拟南芥Sy-0，在该生态型中，尽管初生枝顶端分生组织已经转化为生殖发育，但腋生分生组织仍保持着较长的营养阶段。在腋生分生组织的发育过程中，这种新的异时转移导致在初生枝轴的节处形成叶片的气生莲座丛。我们提出的证据表明，气生莲座型的产生是由于两个基因的显性等位基因相互作用的结果：ART基因(位于第5染色体上)和EAR(位于第4染色体上)：EAR已被初步鉴定为FRi基因座的一个新等位基因。讨论了这两个基因在茎顶端分生组织向生殖发育转化过程中的可能作用。
In this paper, we describe a late-flowering ecotype of Arabidopsis, Sy-0, in which the axillary meristems maintain a prolonged vegetative phase, even though the primary shoot apical meristem has already converted to reproductive development. This novel heterochronic shift in the development of axillary meristems results in the formation of aerial rosettes of leaves at the nodes of the primary shoot axis. We present evidence that the aerial-rosette phenotype arises due to the interaction between dominant alleles of two genes: ART, aerial rosette gene (on chromosome 5) and EAR, enhancer of aerial rosette (on chromosome 4): EAR has been tentatively identified as a new allele of the FRI locus. The possible role of these two genes in the conversion of shoot apical meristems to reproductive development is discussed.
影响因子：
4.6
作者：
P. Talbert;H. T. Adler;David W. Parks;L. Comai
通讯作者：
P. Talbert;H. T. Adler;David W. Parks;L. Comai