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ETR2 is an ETR1-like gene involved in ethylene signaling in Arabidopsis

Sakai, H. (DuPont, Newark, DE.) ; Hua, J ; Chen, Q.G ; Chang, C ; Medrano, L.J ; Bleecker, A.B ; Meyerowitz, E.M

Proceedings of the National Academy of Sciences - PNAS, 1998-05, Vol.95 (10), p.5812-5817 [Periódico revisado por pares]

United States: National Academy of Sciences of the United States of America

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Título:
ETR2 is an ETR1-like gene involved in ethylene signaling in Arabidopsis
Autor: Sakai, H. (DuPont, Newark, DE.) ; Hua, J ; Chen, Q.G ; Chang, C ; Medrano, L.J ; Bleecker, A.B ; Meyerowitz, E.M
Assuntos: Amino Acid Sequence ; AMINO ACID SEQUENCES ; Arabidopsis - genetics ; Arabidopsis Proteins - genetics ; ARABIDOPSIS THALIANA ; ARN MENSAJERO ; ARN MESSAGER ; BINDING PROTEINS ; Biochemistry ; Biological Sciences ; Botany ; CHEMICAL COMPOSITION ; Complementary DNA ; COMPOSICION QUIMICA ; COMPOSITION CHIMIQUE ; COROLA ; COROLLA ; COROLLE ; CRECIMIENTO ; CROISSANCE ; DNA ; DNA, Plant - isolation & purification ; ETHYLENE ; Ethylenes - metabolism ; ETILENO ; ETR2 GENE ; EXONS ; EXPRESION GENICA ; EXPRESSION DES GENES ; FEUILLE ; FLEUR ; FLORAL MERISTEMS ; FLORES ; FLOWERS ; Flowers & plants ; GENBANK/AF047975 ; GENE ; GENE EXPRESSION ; Gene Expression Regulation, Plant ; GENES ; Genomics ; GROWTH ; HIPOCOTILOS ; HOJAS ; Hormones ; HYPOCOTYLE ; HYPOCOTYLS ; INFLORESCENCE MERISTEMS ; INTRONS ; LEAVES ; MERISTEMAS ; MERISTEME ; MERISTEMS ; MESSENGER RNA ; MOLECULAR SEQUENCE DATA ; Mutagenesis ; MUTANT ; MUTANTES ; MUTANTS ; NUCLEOTIDE SEQUENCE ; OVA ; OVULE ; OVULES ; OVULO ; Phenotype ; Phenotypes ; Plant Proteins - genetics ; PLANTAS TRANSGENICAS ; PLANTE TRANSGENIQUE ; Plants ; PLANTULAS ; PLANTULE ; Polymerase chain reaction ; PROTEINAS AGLUTINANTES ; PROTEINE DE LIAISON ; Proteins ; RACINE ; RAICES ; RECEPTORS ; Receptors, Cell Surface - genetics ; RNA ; RNA, Plant - isolation & purification ; RNA, Plant - metabolism ; ROOTS ; SECUENCIA NUCLEOTIDICA ; SEEDLINGS ; Sequence Alignment ; SEQUENCE NUCLEOTIDIQUE ; Signal Transduction ; STRUCTURAL GENES ; TRANSGENIC PLANTS
É parte de: Proceedings of the National Academy of Sciences - PNAS, 1998-05, Vol.95 (10), p.5812-5817
Notas: F60
F30
1997092262
ObjectType-Article-2
SourceType-Scholarly Journals-1
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H.S. and J.H. contributed equally to this work.
Contributed by Elliot M. Meyerowitz
Present address: Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742.
To whom reprint requests should be addressed. e-mail: Meyerow@cco.caltech.edu.
Present address: DuPont, Agricultural Biotechnology, DTP 200, 1 Innovation Way, P.O. Box 6104, Newark, DE 19714-6104.
Descrição: The plant hormone ethylene regulates a variety of processes of growth and development. To identify components in the ethylene signal transduction pathway, we screened for ethylene-insensitive mutants in Arabidopsis thaliana and isolated a dominant etr2-1 mutant. The etr2-1 mutation confers ethylene insensitivity in several processes, including etiolated seedling elongation, leaf expansion, and leaf senescence. Double mutant analysis indicates that ETR2 acts upstream of CTR1, which codes for a Raf-related protein kinase. We cloned the ETR2 gene on the basis of its map position, and we found that it exhibits sequence homology to the ethylene receptor gene ETR1 and the ETR1-like ERS gene. ETR2 may thus encode a third ethylene receptor in Arabidopsis, transducing the hormonal signal through its "two-component" structure. Expression studies show that ETR2 is ubiquitously expressed and has a higher expression in some tissues, including inflorescence and floral meristems, petals, and ovules
Editor: United States: National Academy of Sciences of the United States of America
Idioma: Inglês

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ETR2 is an ETR1-like gene involved in ethylene signaling in Arabidopsis

Sakai, H. (DuPont, Newark, DE.) ; Hua, J ; Chen, Q.G ; Chang, C ; Medrano, L.J ; Bleecker, A.B ; Meyerowitz, E.M

United States: National Academy of Sciences of the United States of America

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