Root development in Arabidopsis: four mutants with dramatically altered root morphogenesis
A genetic analysis of root development in Arabidopsis thaliana has identified mutants that have abnormal morphogenesis. Four of these root morphogenesis mutants show dramatic alterations in post-embryonic root development. The short-root mutation results in a change from indeterminate to determinate...
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| Veröffentlicht in: | Development (Cambridge) 1993-09, Vol.119 (1), p.57-70 |
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| container_title | Development (Cambridge) |
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| creator | BENFEY, P. N LINSTEAD, P. J ROBERTS, K SCHIEFELBEIN, J. W HAUSER, M.-T AESCHBACHER, R. A |
| description | A genetic analysis of root development in Arabidopsis thaliana has identified mutants that have abnormal morphogenesis. Four of these root morphogenesis mutants show dramatic alterations in post-embryonic root development. The short-root mutation results in a change from indeterminate to determinate root growth and the loss of internal root cell layers. The cobra and lion's tail mutations cause abnormal root cell expansion which is conditional upon the rate of root growth. Expansion is greatest in the epidermal cells in cobra and in the stele cells in lion's tail. The sabre mutation causes abnormal cell expansion that is greatest in the root cortex cell layer and is independent of the root growth rate. The tissue-specific effects of these mutations were characterized with monoclonal antibodies and a transgenic marker line. Genetic combinations of the four mutants have provided insight into the regulation of growth and cell shape during Arabidopsis root development. |
| doi_str_mv | 10.1242/dev.119.1.57 |
| format | Article |
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The tissue-specific effects of these mutations were characterized with monoclonal antibodies and a transgenic marker line. Genetic combinations of the four mutants have provided insight into the regulation of growth and cell shape during Arabidopsis root development.</description><identifier>ISSN: 0950-1991</identifier><identifier>EISSN: 1477-9129</identifier><identifier>DOI: 10.1242/dev.119.1.57</identifier><identifier>PMID: 8275864</identifier><language>eng</language><publisher>Cambridge: The Company of Biologists Limited</publisher><subject>Agronomy. Soil science and plant productions ; Arabidopsis - cytology ; Arabidopsis - genetics ; Arabidopsis - growth & development ; Arabidopsis thaliana ; Biological and medical sciences ; Cell Size - genetics ; Economic plant physiology ; Fundamental and applied biological sciences. Psychology ; Genes, Plant - physiology ; Growth and development ; Morphogenesis - genetics ; Morphogenesis, differentiation, rhizogenesis, tuberization. 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Expansion is greatest in the epidermal cells in cobra and in the stele cells in lion's tail. The sabre mutation causes abnormal cell expansion that is greatest in the root cortex cell layer and is independent of the root growth rate. The tissue-specific effects of these mutations were characterized with monoclonal antibodies and a transgenic marker line. Genetic combinations of the four mutants have provided insight into the regulation of growth and cell shape during Arabidopsis root development.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Arabidopsis - cytology</subject><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - growth & development</subject><subject>Arabidopsis thaliana</subject><subject>Biological and medical sciences</subject><subject>Cell Size - genetics</subject><subject>Economic plant physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genes, Plant - physiology</subject><subject>Growth and development</subject><subject>Morphogenesis - genetics</subject><subject>Morphogenesis, differentiation, rhizogenesis, tuberization. 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| fulltext | fulltext |
| identifier | ISSN: 0950-1991 |
| ispartof | Development (Cambridge), 1993-09, Vol.119 (1), p.57-70 |
| issn | 0950-1991 1477-9129 |
| language | eng |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection; Company of Biologists |
| subjects | Agronomy. Soil science and plant productions Arabidopsis - cytology Arabidopsis - genetics Arabidopsis - growth & development Arabidopsis thaliana Biological and medical sciences Cell Size - genetics Economic plant physiology Fundamental and applied biological sciences. Psychology Genes, Plant - physiology Growth and development Morphogenesis - genetics Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence Mutation - physiology Plants, Genetically Modified |
| title | Root development in Arabidopsis: four mutants with dramatically altered root morphogenesis |
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