A molecular link between stem cell regulation and floral patterning in Arabidopsis

Article Abstract:

Research has been conducted on the homeogenic gene important for the organ fate specification and stem cell proliferation limitation in Arabidopsis flowers. Results indicate that the floral protein expressed throughout the flower cooperates with the homeodomain protein and activates the homeogenic gene in the center of the flower.

Author: Weigel, Detlef, Simon, Rudiger, Lohmann, Jan U., Hong, Ray L., Hobe, Martin, Busch, Maximilian A., Parcy, Francois
Germany, Statistical Data Included, Analysis, Physiological aspects, Genetic transcription, Transcription (Genetics), Stem cells, Cell research, Cytological research, Molecules

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Different plant hormones regulate similar processes through largely nonoverlapping transcriptional responses

Article Abstract:

A study tests the proposal that a common set of signaling components might integrate inputs from multiple hormones to regulate growth, by asking whether different hormones converge on a common set of transcriptional targets in Arabidopsis seedlings. Results show that different hormones appear to regulate distinct members of protein families, leading to the conclusion that there is no core transcriptional growth-regulatory module in young Arabidopsis seedlings.

Author: Chory, Joanne, Nemhauser, Jennifer L., Fangxin Hong
Science & research, Pesticide and Other Agricultural Chemical Manufacturing, Plant Growth Regulators, Research, Cellular signal transduction, Plant hormones

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Subjects list: United States, Genetic aspects, Arabidopsis
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