(n.) The green sickness; an anaemic disease of young women, characterized by a greenish or grayish yellow hue of the skin, weakness, palpitation, etc.
(n.) A disease in plants, causing the flowers to turn green or the leaves to lose their normal green color.
Example Sentences:
(1) Tentoxin is a naturally occurring phytotoxic peptide that causes seedling chlorosis and arrests growth in sensitive plants and algae.
(2) Determinants influencing the degree of leaf chlorosis were located in a separate genome domain encompassing part of gene VI together with the large intergenic region and part of gene VII (nts 6103-90).
(3) Induction of chlorosis was prevented or less evident in mutant plants that were inoculated withPseudomonas tabaci, a bacterial pathogen which produces a toxin that is a structural analog of methioning.
(4) (RS)-AHPA and C-c3Ado induced chlorosis in Nicotiana tabacum leaf discs.
(5) coronafaciens were still able to produce necrotic lesions on oat plants (Avena sativa), although without the chlorosis associated with tabtoxin production.
(6) Chlorosis was assessed after 48 hr of continuous illumination to establish herbicidal potency.
(7) Some cucumber mosaic virus satellite RNAs induce chlorosis on any of several host plants, including either tobacco or tomato.
(8) We found that this bleaching process (chlorosis) in cells deprived of sulfur (S) was similar to that in cells deprived of nitrogen (N), but that cells deprived of phosphorus (P) bleached differently.
(9) Infection of tobacco with various pseudorecombinants of subgroup I and II CMV strains, together with WL3- or B2-sat RNA, suggests that chlorosis is associated with RNA 2 of subgroup II CMV strains.
(10) The correlation of chlorosis induction and a substitution for proline with leucine or serine at amino acid 129 suggests that this residue is the determinant of chlorosis induction.
(11) Site-directed mutagenesis showed that a substitution at nucleotide (nt) 40 in the V1 gene affected streak width, while severity of chlorosis, length of streaks, latency, and host range was determined by a single base change at nt 2473 in the large intergenic region.
(12) Both the "existence" of chlorosis and the way it was understood served ideologically to conceal the growing importance of adolescent labor and the recognition of the social genesis of illness.
(13) Plants that grew varied widely from those with no chlorosis to those with more chlorosis than the original variety from which the discs were taken.
(14) As expected, one group of mutant fail to make toxin in planta, resulting in the absence of chlorosis.
(15) The determinants of host range, severity of chlorosis, streak length, and timing of symptom appearance map to a fragment which includes the large intergenic region and the 5' terminus of the complementary sense C1 gene.
(16) Chlorosis-inducing isolates of Xanthomonas albilineans, the sugarcane leaf scald pathogen, produced a mixture of antibacterial compounds in culture.
(17) causes severe variegated chlorosis in germinating seedlings of certain dicotyledonous species.
(18) By contrast, B2-sat RNA induced chlorosis in tobacco, whereas WL1-sat and G-sat RNAs did not.
(19) Three of the satellite RNAs (B2-sat, G-sat, and WL1-sat RNA) ameliorated the symptoms induced by CMV on tomato, whereas three others (B1-sat, B3-sat, and WL2-sat RNA) induced chlorosis on tomato, the extent and nature of which was CMV-strain dependent.
(20) To determine if chlorosis caused by tentoxin, a toxin produced by Alternaria tenuis Nees., is due to interference with chlorophyll synthesis directly or to disruption of normal chloroplast development, the effects of the toxin on these processes in cucumber (Cucumis sativus L.) and cabbage (Brassica oleracea L., var.
Etiolation
Definition:
(n.) The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.
(n.) Paleness produced by absence of light, or by disease.
Example Sentences:
(1) The plastocyanin content of etiolated bean leaves (Phaseolus vulgaris L.) was measured, and the development of the protein in response to light was followed.
(2) Microsomal membrane preparations from growing regions of etiolated pea stems catalyzed the transfer of [14C]fucosyl units from GDP-[U-14C]-L-fucose into exogenously added xyloglucan acceptors, as well as into endogenous xyloglucan.
(3) There were no detectable differences in the patterns of histone variants from immature grain (3-16 days after fertilization), from mature embryos, from coleoptiles and roots of 4-day-old, etiolated seedlings and from leaves of 10-day-old, light-grown seedlings.
(4) In this paper, we establish the presence of a G protein associated with the plasma membranes of the apical bud of etiolated peas.
(5) The rates of mitochondrial glycine oxidation estimated by CO2-release and glycine-bicarbonate exchange activities in fully greened tissues are approximately 10 times greater than those of etiolated pea leaves and potato tuber mitochondria.
(6) The development of PSII complex precedes that of PSI during the differentiation of B and M chloroplasts in expanding leaves of light-grown plants and during the greening of dark-grown etiolated seedlings.
(7) Short pulses of red light induce in etiolated barley seedlings an enhanced synthesis of plastidic benzoquinones and vitamin K1, which can be reverted by subsequent irradiation with short pulses of far-red.
(8) When etiolated soybean seedlings are treated with the synthetic auxin, 2,4-dichlorophenoxy-acetic acid, cells of the mature hypocotyl become swollen and proliferate abnormally.
(9) Cab2::Luc transcript accumulated in the expected patterns and luciferase activity was closely correlated to cab2::Luc mRNA abundance in both etiolated and green seedlings.
(10) Parallel to the decline in mRNA content, the de novo synthesis of leaf-specific thionins ceases rapidly upon illumination of etiolated seedlings.
(11) The activity of both enzymes was low in etiolated leaves of maize plants grown in the dark but increased 10-20-fold, together with chlorophyll, when leaves were illuminated.
(12) Ferredoxin is present in low concentrations in the leaves and cotyledons of 14-day-old etiolated beans (Phaseolus vulgaris L. var.
(13) Studies of the biogenesis of PS I during greening of etiolated plants showed that all of the CC I subunits accumulated to a detectable level prior to the appearance of the 17-kDa subunit of LHC I, the accumulation of which preceded those of the 24- and 21-kDa subunits of LHC I.
(14) By immunological techniques, the enzyme was shown to be absent in green as well as in etiolated E. gracilis cells, while being rapidly induced upon streptomycin bleaching of heterotrophically growing green cells.
(15) Fed-1 transcript levels in transgenic tobacco seedlings closely paralleled those of the native gene in pea buds when etiolated seedlings were transferred to white light.
(16) Putative protochlorophyllide reductase cDNA clones (252 and 113) were isolated from an etiolated-oat (Avena sativa) cDNA library.
(17) Furthermore, there are no factors in homogenates of etiolated leaves which inactivate amino acid incorporation into protein by chloroplasts.
(18) Application of auxin to 8-day old Arabidopsis plants, 4-day old etiolated seedlings, and suspension culture cells all resulted in enhanced Aux transcript levels.
(19) Synthesis of the polypeptide occurred during greening of etiolated cells exposed to light.
(20) Cloned cDNA and genomic sequences have been analyzed to deduce the amino acid sequence of phytochrome from etiolated Avena.