active immunity
active immunity Resistance to a disease that is acquired by an animal as the result of the production of
antibodies in response to
antigens produced by the disease organism whilst inside the host animal.
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Control of gibberellin levels and gene expression during de-etiolation in pea
Magazine article from: Plant Physiology; 2/1/2002; ; 700+ words
; ...1999) Regulation of gibberellin biosynthesis by light...Lang A (1964) Gibberellins and light inhibition...gene (Le) encodes a gibberellin 313hydroxylase. Plant...Reid JB (1999) Gibberellin 2-oxidation and...effect of light and the gibberellins on stem elongation...
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Differential regulation of RNA levels of gibberellin dioxygenases by photoperiod in spinach
Magazine article from: Plant Physiology; 12/1/2002; ; 700+ words
; ...gene (Le) encodes a gibberellin 3-oxidase. Plant...Reid JB (1999) Gibberellin 2-oxidation and...three C^sub 20^-gibberellins: GA^sub 97...levels of endogenous gibberellins in spinach as measured...Photoperiodic control of gibberellin metabolism in spinach...
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Pollination-, development-, and auxin-specific regulation of gibberellin 3beta-hydroxylase gene expression in pea fruit and seeds
Magazine article from: Plant Physiology; 3/1/2003; ; 700+ words
; ...Regulation of Gibberellin 3,beta-Hydroxylase...IAA]), and gibberellins (GAs) regulate...distribution of gibberellins in fruits of Pisum...Phillips AL (2000) Gibberellin metabolism: new...Seed effects on gibberellin metabolism in...acetic acid and gibberellins in early pea fruit...
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Auxin regulation of the gibberellin pathway in pea
Magazine article from: Plant Physiology; 12/1/2002; ; 700+ words
; Auxin Regulation of the Gibberellin Pathway in Peal The auxin indole...the biosynthesis of the active gibberellin (GA,) in shoots of pea (Pisum...Feed-forward regulation of gibberellin deactivation in pea. J Plant Growth...
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ANCYMIDOL-ENHANCED HYPERHYDRIC MALFORMATION IN RELATION TO GIBBERELLIN AND OXIDATIVE STRESS IN LIQUID-CULTURED NARCISSUS LEAVES
Magazine article from: In Vitro Cellular & Developmental Biology; 11/1/2004; ; 700+ words
; ...growth retardant ancymidol inhibited gibberellin biosynthesis and enhanced hyperhydric...native polyacrylamide gel analysis, and gibberellin and hydrogen peroxide levels were determined...dismutase activity, hydrogen peroxide, and gibberellin levels were significantly lower in hyperhydric...
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Gibberellin/abscisic acid antagonism in barley aleurone cells: Site of action of the protein kinase PKABA1 in relation to gibberellin signaling molecules
Magazine article from: Plant Cell; 3/1/2001; ; 700+ words
; The antagonism between gibberellins (GA) and abscisic acid...gene expression regulated by gibberellins and abscisic acid. Plant...1990). Comparison of gibberellins in normal and slender seedlings...1994). Perception of gibberellin and abscisic acid at the...
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Modified gibberellins retard growth of cool-season turfgrasses.
Magazine article from: Crop Science; 11/1/1997; ; 700+ words
; ...compounds antagonize the synthesis of the gibberellin (GA) class of plant growth regulator...compounds and, as well, a synthetic gibberellin, 16,17-dihydro [GA.sub.5...Takagi et al., 1994). Another related gibberellin derivative, dichloromethano 16,17...
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Possible roles for ethylene and gibberellin in the phenotypic plasticity of an alpine population of Stellaria longipes.
Magazine article from: Canadian Journal of Botany; 7/1/2006; ; 700+ words
; ...contained levels of endogenous gibberellin [A.sub.1] that were...ethylene and growth-active gibberellins than other alpine genotypes...ethylene and growth-active gibberellins. Speculatively, this behaviour...to endogenous ethylene and gibberellins. Key words: phenotypic...
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Interactive effects of jasmonic acid, salicylic acid, and gibberellin on induction of trichomes in Arabidopsis1
Magazine article from: Plant Physiology; 11/1/2003; ; 700+ words
; ...jasmonic acid, salicylic acid, and gibberellin on induction of trichomes in Arabidopsis...trichome production. Last, we found that gibberellin and jasmonic acid had a synergistic...an important role for the hormone, gibberellin, in constitutive trichome production...
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Proteolysis-Independent Downregulation of DELLA Repression in Arabidopsis by the Gibberellin Receptor GIBBERELLIN INSENSITIVE DWARF1(W)
Magazine article from: Plant Cell; 9/1/2008; ; 700+ words
; ...that DELLA repression of gibberellin (GA) signaling is relieved...functionally redundant GA receptors GIBBERELLIN INSENSITIVE DWARF1 (GID1a...of plant growth. Active gibberellins (GAs) are tetracyclic diterpenoid...requires the GA receptor GIBBERELLIN INSENSITIVE DWARF1 (GID1...
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gibberellins
Book article from: The Columbia Encyclopedia, Sixth Edition
gibberellins , a group of growth-regulating...isolated from the fungus and named gibberellin. Other gibberellins exist rather widely in plants...appears to cause abnormal effects. Gibberellins are used commercially in agriculture...
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gibberellin
Book article from: A Dictionary of Biology
gibberellin Any of a group of plant growth substances chemically related to terpenes...in inducing flowering and fruit development. Commercially available gibberellins, such as gibberellic acid , are used to manipulate the onset of sexual...
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Hormones
Book article from: Plant Sciences
...plants only in 1985. The gibberellins are a family of more than...is one of the most active gibberellins when added to plants. Slight...is considered a different gibberellin. Cytokinins are a class...sieve-tube cells and fibers Gibberellins Stimulates stem elongation...
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Hormonal Control and Development
Book article from: Plant Sciences
...itself. GA1, the principal active gibberellin in most plants, is synthesized via...followed by a series of many other gibberellin intermediates. The level of GA1 is...tallness gene encodes a step in the gibberellin biosynthesis pathway just before GA1...
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Germination and Growth
Book article from: Plant Sciences
...the endosperm by secreting the hormone gibberellin, which travels to the endosperm. When gibberellin reaches its target cells in the endosperm...dormant seeds germinate when treated with gibberellin or another plant hormone, cytokinin...
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