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Ethylene and fruit ripening
Evidence suggesting that the NR ethylene perception and transduction pathway is specific to a defined set of genes expressed in ripening climacteric fruit and that a distinct ETR pathway regulates other ethylene-regulated genes in both immature and ripening Climacteric Fruit as well as in non-climacteric fruits is discussed. Expand
Molecular and Genetic Characterization of a Non-Climacteric Phenotype in Melon Reveals Two Loci Conferring Altered Ethylene Response in Fruit1
The non-climacteric phenotype in fruit tissues is attributable to ethylene insensitivity conferred by the recessive allelic forms from PI 161375, and both characters are controlled by two independent loci, abscission layer(Al)-3 and Al-4. Expand
Er5, a tomato cDNA encoding an ethylene-responsive LEA-like protein: characterization and expression in response to drought, ABA and wounding
Among the Lea gene family this novel clone is the first to display an ethylene-regulated expression, and the use of 1-MCP, an inhibitor of ethylene action, indicates that the drought induction of ER5 is Ethylene-mediated in tomato roots. Expand
Isolation and characterization of four ethylene perception elements and their expression during ripening in pears (Pyrus communis L) with/without cold requirement.
Analysis of transcript levels for the four cDNAs in PC and pear fruit genotypes with little or no cold requirement revealed that Pc-ETR1a expression increased during chilling treatment, and Pc/ERS1a, P c-ERS1A, Pc -ETR5, andPc-CTR1 expressionincreased during fruit ripening and after ethylene treatment. Expand
Differential regulation of ACC synthase genes in cold‐dependent and ‐independent ripening in pear fruit
A model is presented in which differences in Pc-ACS alleles and gene expression between cold- and non-cold-requiring pears are critical in determining the ripening behaviour of the cultivars. Expand
5'CATGCAT-3' Elements Modulate the Expression of Glycinin Genes.
The results show that the 5'-CATGCAT-3' element plays a role in regulating the amount of expression from the gene, but that there are also other factors farther upstream from the genes that affect the level of expression. Expand
Effects of chilling on the expression of ethylene biosynthetic genes in Passe-Crassane pear (Pyrus communis L.) fruits
The data indicate that ACC synthase gene expression is regulated by ethylene only during, or after chilling treatment, while ACC oxidation gene expression can be induced separately by either chilling or ethylene. Expand
Isolation and characterization of mRNAs differentially expressed during ripening of wild strawberry (Fragaria vesca L.) fruits
Wild strawberry (Fragaria vesca L.) is an attactive model system for studying ripening in non-climacteric fruit, because of its small diploid genome, its short reproductive cycle, and its capacityExpand
Regulation of heat-inducible HSPA1A gene expression during maternal-to-embryo transition and in response to heat in in vitro-produced bovine embryos.
In in vitro-produced bovine embryos, heat-induced expression of hspa1b/luciferase, and most likely of HSPA1A, was therefore strictly dependent on EGA and correlated better with the embryo's capacity for heat-shock response than with EGA-associated gene expression. Expand
Ethylene-Dependent and Ethylene-Independent Pathways in a Climacteric Fruit, the Melon
Transgenic antisense ACC oxidase melons in which ethylene has been inhibited by more than 99% have been used for discriminating between ethylene-dependent and — independent pathways. In this paper,Expand