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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
25/05/1998 |
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Data da última atualização: |
16/05/2023 |
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Autoria: |
KING, J. J.; STIMART, D. P.; FISHER, R. H.; BLEECKER, A. B. |
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Título: |
A mutation altering auxin homeostasis and plant morphology in Arabidopsis. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Plant Cell. v.7, v.12, p.2023-2037, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
Many aspects of plant development are associated with changing concentrations of the phytohormone auxin. Several stages of root formation exhibit extreme sensitivities to exogenous auxin and are correlated with shifts in endogenous auxin concetrations. In an effort to elucidate mechanisms regulating development of adventitious roots, an ethyl methanesulfonate-mutagenized M2 population of Arabidopsis was screened for mutants altered in this process. A recessive nuclear mutant, rooty (rty), displayed extreme proliferation of roots, inhibition of shoot growth, and other alterations suggesting elevated responses to auxin or ethylene. Wild-type Arabidopsis seedlings grown on auxin-containinig media phenocopied rty, seedlings were partially rescued on cytokinin. |
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Palavras-Chave: |
Crescimento de planta; Morfologia. |
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Thesagro: |
Mutação; Planta. |
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Thesaurus Nal: |
mutation; plant growth; plant morphology. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01421naa a2200241 a 4500
001 1648062
005 2023-05-16
008 1995 bl uuuu u00u1 u #d
100 1 $aKING, J. J.
245 $aA mutation altering auxin homeostasis and plant morphology in Arabidopsis.$h[electronic resource]
260 $c1995
520 $aMany aspects of plant development are associated with changing concentrations of the phytohormone auxin. Several stages of root formation exhibit extreme sensitivities to exogenous auxin and are correlated with shifts in endogenous auxin concetrations. In an effort to elucidate mechanisms regulating development of adventitious roots, an ethyl methanesulfonate-mutagenized M2 population of Arabidopsis was screened for mutants altered in this process. A recessive nuclear mutant, rooty (rty), displayed extreme proliferation of roots, inhibition of shoot growth, and other alterations suggesting elevated responses to auxin or ethylene. Wild-type Arabidopsis seedlings grown on auxin-containinig media phenocopied rty, seedlings were partially rescued on cytokinin.
650 $amutation
650 $aplant growth
650 $aplant morphology
650 $aMutação
650 $aPlanta
653 $aCrescimento de planta
653 $aMorfologia
700 1 $aSTIMART, D. P.
700 1 $aFISHER, R. H.
700 1 $aBLEECKER, A. B.
773 $tPlant Cell.$gv.7, v.12, p.2023-2037, 1995.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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