Results 221 to 230 of about 29,146 (264)
Grafting reveals organ-autonomous and feedback roles of root phloem development in source-sink dynamics. [PDF]
J Exp BotBartusch K +4 more
europepmc +1 more source
The quiescent centre and root apical meristem: organization and function [PDF]
Journal of Experimental Botany, 2021 AbstractThis special issue is dedicated to the 100th anniversary of the birth of Frederick Albert Lionel Clowes, who discovered the quiescent centre (QC) of the root apical meristem (RAM). His discovery was a foundation for contemporary studies of the QC and RAM function, maintenance, and organization.
Joseph G Dubrovsky, Kris Vissenberg
exaly +4 more sources
Root apical meristem diversity in extant lycophytes and implications for root origins [PDF]
New Phytologist, 2017 Summary Root apical meristem (RAM) organization in lycophytes could be a key to understanding the early evolution of roots, but this topic has been insufficiently explored. We examined the RAM organization of lycophytes in terms of cell division activities and anatomies, and compared RAMs among vascular plants.
Rieko Fujinami, Toshihiro Yamada
exaly +3 more sources
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Journal of Plant Research, 2008
The plant meristems, shoot apical meristem (SAM) and root apical meristem (RAM), are unique structures made up of a self-renewing population of undifferentiated pluripotent stem cells. The SAM produces all aerial parts of postembryonic organs, and the RAM promotes the continuous growth of roots. Even though the structures of the SAM and RAM differ, the
Hiroo Fukuda, Shinichiro Sawa
exaly +3 more sources
The plant meristems, shoot apical meristem (SAM) and root apical meristem (RAM), are unique structures made up of a self-renewing population of undifferentiated pluripotent stem cells. The SAM produces all aerial parts of postembryonic organs, and the RAM promotes the continuous growth of roots. Even though the structures of the SAM and RAM differ, the
Hiroo Fukuda, Shinichiro Sawa
exaly +3 more sources
Hormonal orchestration of root apical meristem formation and maintenance in Arabidopsis
Journal of Experimental Botany, 2021 AbstractPlant hormones are key regulators of a number of developmental and adaptive responses in plants, integrating the control of intrinsic developmental regulatory circuits with environmental inputs. Here we provide an overview of the molecular mechanisms underlying hormonal regulation of root development.
Abigail Rubiato Cuyacot +2 more
exaly +3 more sources
Plant Physiology and Biochemistry, 2010
Post-embryonic root growth relies on the proliferative activity of the root apical meristem (RAM), consisting, in part, of cells with juvenile characteristics (stem cells). It is generally, but erroneously held that the RAM indefinitely produces new cells throughout the lifespan of a plant, resulting in indeterminate root growth.
Mario C De Tullio, Lewis J Feldman
exaly +4 more sources
Post-embryonic root growth relies on the proliferative activity of the root apical meristem (RAM), consisting, in part, of cells with juvenile characteristics (stem cells). It is generally, but erroneously held that the RAM indefinitely produces new cells throughout the lifespan of a plant, resulting in indeterminate root growth.
Mario C De Tullio, Lewis J Feldman
exaly +4 more sources
REGULATION OF ROOT APICAL MERISTEM DEVELOPMENT
Annual Review of Cell and Developmental Biology, 2005The establishment of the Angiosperm root apical meristem is dependent on the specification of a stem cell niche and the subsequent development of the quiescent center at the presumptive root pole. Distribution of auxin and the establishment of auxin maxima are early formative steps in niche specification that depend on the expression and distribution ...
Keni, Jiang, Lewis J, Feldman
openaire +2 more sources