title: Beyond flexibility: controlling stem cells in an ever changing environment.
abstract: Developmental plasticity is a defining feature of plants allowing them to colonize a wide range of different ecosystems by promoting environmental adaptation. Their postembryonic development requires life-long maintenance of stem cells, which are embedded into specialized tissues, called meristems. The shoot apical meristem gives rise to all above ground tissues and is a complex and dynamic three-dimensional structure harboring cells of different clonal origins and fates. Functionally divergent subdomains are stably maintained despite permanent cell division, however their relative sizes are modified in response to developmental and environmental signals. In this review, we briefly describe the core regulatory program of the shoot apical meristem and discuss progress in the fields of mechanical and environmental control of its activity.
authors.affiliation: Department of Stem Cell Biology, Centre for Organismal Studies, University of Heidelberg, D-69120 Heidelberg, Germany.
authors.forename: Anne
authors.initials: A
authors.lastname: Pfeiffer
authors.affiliation: Department of Stem Cell Biology, Centre for Organismal Studies, University of Heidelberg, D-69120 Heidelberg, Germany.
authors.forename: Christian
authors.initials: C
authors.lastname: Wenzl
authors.affiliation: Department of Stem Cell Biology, Centre for Organismal Studies, University of Heidelberg, D-69120 Heidelberg, Germany. Electronic address: jlohmann@meristemania.org.
authors.forename: Jan U
authors.initials: JU
authors.lastname: Lohmann
mesh_terms: D017360:Arabidopsis / Q000235:genetics* / Q000254:growth & development* / Q000378:metabolism; D029681:Arabidopsis Proteins / Q000235:genetics* / Q000378:metabolism; D002455:Cell Division / Q000235:genetics; D004777:Environment; D018506:Gene Expression Regulation, Plant; D018519:Meristem / Q000235:genetics / Q000254:growth & development* / Q000378:metabolism; D018520:Plant Shoots / Q000235:genetics / Q000254:growth & development / Q000378:metabolism; D013234:Stem Cells / Q000166:cytology* / Q000378:metabolism
chemical_list: D029681:Arabidopsis Proteins