Establishing leaf polarity: the role of small RNAs and positional signals in the shoot apex Export

@article{citeulike:4001272, abstract = {The flattening of leaves results from the juxtaposition of upper (adaxial) and lower (abaxial) domains in the developing leaf primordium. The adaxial-abaxial axis reflects positional differences in the leaf relative to the meristem and is established by redundant genetic pathways that interpret this asymmetry through instructive, possibly non-cell autonomous, signals. Small RNAs have been found to play a crucial role in this process, and specify mutually antagonistic fates. Here, we review both classical and recently-discovered factors that contribute to leaf polarity, as well as the candidate positional signals that their existence implies. 10.1242/dev.000497}, author = {Chitwood, Daniel H. and Guo, Mengjuan and Nogueira, Fabio T. S. and Timmermans, Marja C. P.}, citeulike-article-id = {4001272}, citeulike-linkout-0 = {http://dx.doi.org/10.1242/dev.000497}, citeulike-linkout-1 = {http://dev.biologists.org/cgi/content/abstract/134/5/813}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/17251271}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=17251271}, day = {1}, doi = {10.1242/dev.000497}, issn = {0950-1991}, journal = {Development}, keywords = {apex, asymmetry, heteroblasty, leaf-shape, leaf\_primordium, mirna, polarity}, month = {March}, number = {5}, pages = {813--823}, posted-at = {2009-09-16 09:49:30}, priority = {2}, title = {Establishing leaf polarity: the role of small RNAs and positional signals in the shoot apex}, url = {http://dx.doi.org/10.1242/dev.000497}, volume = {134}, year = {2007} }

TY - JOUR ID - citeulike:4001272 L3 - citeulike-article-id:4001272 N2 - The flattening of leaves results from the juxtaposition of upper (adaxial) and lower (abaxial) domains in the developing leaf primordium. The adaxial-abaxial axis reflects positional differences in the leaf relative to the meristem and is established by redundant genetic pathways that interpret this asymmetry through instructive, possibly non-cell autonomous, signals. Small RNAs have been found to play a crucial role in this process, and specify mutually antagonistic fates. Here, we review both classical and recently-discovered factors that contribute to leaf polarity, as well as the candidate positional signals that their existence implies. 10.1242/dev.000497 IS - 5 JF - Development SN - 0950-1991 EP - 823 TI - Establishing leaf polarity: the role of small RNAs and positional signals in the shoot apex VL - 134 SP - 813 KW - apex KW - asymmetry KW - heteroblasty KW - leaf-shape KW - leaf_primordium KW - mirna KW - polarity AU - Chitwood, Daniel AU - Guo, Mengjuan AU - Nogueira, Fabio AU - Timmermans, Marja PY - 2007/03/01/ UR - http://dx.doi.org/10.1242/dev.000497 ER -