Brassinosteroids and gibberellins promote tobacco seed germination by distinct pathways.

abstract：:Anthocyanin formation in 36h dark grown Sinapis alba L. seedlings and inhibition of hypocotyl elongation in 36h and 54h dark grown and 54h and 7 day light grown seedlings in response to continuous red light could be substituted for by hourly 5 min light pulses where the total fluence over the irradiation period is the...

journal_title：Planta

authors： Schäfer E,Beggs CJ,Fukshansky L,Holmes MG,Jabben M

更新日期：1981-11-01 00:00:00

abstract：:Light causes growth of dicotyledonous leaves by stimulating proton efflux, cell wall acidification and loosening, and solute accumulation for turgor maintenance. For cells still undergoing cell division at the base of expanding tobacco ( Nicotiana tabacum L. cv. Xanthi) leaves, light-stimulated growth depends on K+ up...

journal_title：Planta

authors： Stiles KA,McClintick A,Van Volkenburgh E

更新日期：2003-08-01 00:00:00

abstract：:The cell walls in the new white roots of jack pine (Pinus banksiana Lamb.) were observed to constrict around the shrinking protoplast of osmotically stressed roots, and pressure was maintained via an apparent adjustment of cell-wall size and elasticity. These elastic alterations of the cell wall permitted the root cel...

journal_title：Planta

authors： Marshall JG,Dumbroff EB,Thatcher BJ,Martin B,Rutledge RG,Blumwald E

更新日期：1999-05-01 00:00:00

abstract：:We have isolated a triazolopyrimidine-resistant mutant csrl-2, of Arabidopsis thaliana (L.) Heynh. Here, we compare csrl-2 with the previously isolated mutants csrl and csr1-1, and with wild-type Arabidopsis for responses to members of four classes of herbicides, namely, sulfonylureas, triazolopyrimidines, imidazolino...

journal_title：Planta

authors： Mourad G,King J

更新日期：1992-11-01 00:00:00

abstract：:Sphagnum magellanicum shows a remarkable variation in colour after the repeated application of cold shocks; mainly red wall pigments are synthesized. An attempt was made to find out in which way the gas exchange of Sphagnum magellanicum under defined conditions is altered after the application of cold shocks.The light...

journal_title：Planta

authors： Rudolph H

更新日期：1968-03-01 00:00:00

abstract：:Using the ammonium analogue (14)CH3NH 3 (+) , ammonium transport was studied in the cyanobiont cells freshly isolated from the root nodules of Cycas revoluta. An L-methionine-DL-sulphoximine (MSX)-insensitive ammonium-transport system, which was dependent on membrane potential (ΔΨ), was found in the cyanobiont. Howeve...

journal_title：Planta

authors： Rai AN,Lindblad P,Bergman B

更新日期：1986-11-01 00:00:00

abstract：:The lipid composition and degree of unsaturation of fatty acids has been measured for membranes isolated from leaves of Pisum sativum grown under either summer or winter conditions. Although the lipid-class composition was not significantly changed for the two growth conditions the degree of unsaturation of the fatty ...

journal_title：Planta

authors： Chapman DJ,De-Felice J,Barber J

更新日期：1983-04-01 00:00:00

abstract：:The control by phytochrome of hypocotyl elongation of light-grown Cucumis sativus L. after a white-light period was examined. The farred-absorbing form of phytochrome inhibits hypocotyl elongation. The response to phytochrome photostationary state (ϕ) is not linear; all values of ϕ from 0.004 to 0.13 promote growth ma...

journal_title：Planta

authors： Gaba V,Black M

更新日期：1985-05-01 00:00:00

abstract：:In dark-grown soybean (Glycine max [L.] Merr.) seedlings, exposing the roots to water-deficient vermiculite (psi(w)=-0.36 MPa) inhibited hypocotyl (stem) elongation. The inhibition was associated with decreased extensibility of the cell walls in the elongation zone. A detailed spatial analysis showed xyloglucan endotr...

journal_title：Planta

authors： Wu Y,Jeong BR,Fry SC,Boyer JS

更新日期：2005-02-01 00:00:00

abstract：:The contribution of changes in stomatal conductance and metabolism in determining heterogeneous photosynthesis inhibition during dehydration and abscisic acid (ABA) feeding was investigated using detached leaves of Rosa rubiginosa L. The steady-state and maximal rates of electron transport under a transient high CO(2)...

journal_title：Planta

authors： Meyer S,Genty B

更新日期：1999-11-01 00:00:00

abstract：:Non-propagating, asynchronous action potentials may be detected with an extracellular electrode placed on the hook of the pea epicotyl following mechanical stimulation. These may well mediate the release of ethylene which has previously been shown to control the diameter of mechanically stressed shoots. ...

journal_title：Planta

authors： Pickard BG

更新日期：1971-06-01 00:00:00

abstract：:In a previous study (Melzer and O'Leary, 1987, Plant Physiol. 84, 58-60), we used isotopic methods to show that a substantial fraction of protein-bound aspartic acid in tobacco is derived from anaplerotic synthesis via phosphoenolpyruvate (PEP) carboxylase. Similar studies in soybean (Glycine max L.) and spinach (Spin...

journal_title：Planta

authors： Melzer E,O'Leary MH

更新日期：1991-10-01 00:00:00

abstract：:The freshwater algaChara corallina Klein ex Willd., em. R.D.W. (=C. australis R.Br.) develops alternating outward (acid) and inward (alkaline) current areas on its surface when illuminated. Exposure of cells to vinblastine, colchicine, or oryzalin caused a reduction in and a shifting of this extracellular current patt...

journal_title：Planta

authors： Fisahn J,Lucas WJ

更新日期：1990-11-01 00:00:00

abstract：:Hydrogen sulphide is an essential electron donor in the photosynthesis of sulphur bacteria. In addition, it has been known to be an inhibitor of photosynthesis in green plants. More specifically, it is assumed that sulphide interacts with the oxygen-evolving system. If the view is accepted that there is a more or less...

journal_title：Planta

authors： Knobloch K

更新日期：1966-03-01 00:00:00

abstract：:Rapidly growing, green motile flagellates of Haematococcus pluvialis can transform into enlarged red resting cysts (aplanospores) under oxidative stress conditions. However, it is not known what initial molecular defense mechanisms occur in response to oxidative stress, and may ultimately lead to cellular transformati...

journal_title：Planta

authors： Wang SB,Chen F,Sommerfeld M,Hu Q

更新日期：2004-11-01 00:00:00

abstract：:The extension rate of the first inflorescence node of Arabidopsis was measured during light/dark or continuous light exposure and was found to exhibit oscillations which showed a circadian rhythmicity. Decapitation induced a strong inhibition of stem extension. Subsequent application of IAA restored growth and the ass...

journal_title：Planta

authors： Jouve L,Gaspar T,Kevers C,Greppin H,Degli Agosti R

更新日期：1999-07-01 00:00:00

abstract：MAIN CONCLUSION:Al-responsive citrate-transporting CcMATE1 function and its regulation by CcSTOP1 were analyzed using NtSTOP1 -KD tobacco- and pigeonpea hairy roots, respectively, CcSTOP1 binding sequence of CcMATE1 showed similarity with AtALMT1 promoter. The molecular mechanisms of Aluminum (Al) tolerance in pigeonpe...

journal_title：Planta

authors： Daspute AA,Kobayashi Y,Panda SK,Fakrudin B,Kobayashi Y,Tokizawa M,Iuchi S,Choudhary AK,Yamamoto YY,Koyama H

更新日期：2018-01-01 00:00:00

abstract：:Redlight is known to increase the growth potential in the embryo of photodormant lettuce seed, enabling it to overcome the resistance offered by the seed coats (particularly the endosperm) or by an osmotically active medium. Determinations of the water potential of lettuce embryos germinating in osmoticum. carried out...

journal_title：Planta

authors： Nabors MW,Lang A

更新日期：1971-03-01 00:00:00

abstract：:We have screened a cDNA library prepared from tomato (Lycopersicon esculentum Mill. cv. VFNT Cherry) shoot tips for homeobox-containing clones. The isolated cDNA clone THOM1 (tomato homeobox gene 1) contains a homeobox, a leucine zipper motif and and an acidic region. These features support the hypothesis that the THO...

journal_title：Planta

authors： Meissner R,Theres K

更新日期：1995-01-01 00:00:00

abstract：:Red light (R) and gibberellins (GA) each induce a water potential decrease in the axes of lettuce (Lactuca sativa L.) embryos resulting in germination of intact "seeds" (achenes) or an increase in growth of the axes of isolated embryos. The fruit coat and endosperm are a substantial barrier to the penetration of exoge...

journal_title：Planta

authors： Carpita NC,Nabors MW

更新日期：1981-06-01 00:00:00

abstract：:2-(Chloroethyl)phosphonic acid (CEPA) inhibited the rise in tannin production and phenylalanine ammonia-lyase EC 4.1.1.5 (PAL) activity shown by Acer cells in media containing 9.0×10(-7) M 2,4-D for a period of 2-3 days after its addtion. ...

journal_title：Planta

authors： Westcott RJ

更新日期：1976-01-01 00:00:00

abstract：:Low-temperature scanning-electron microscopy was used to study the freezing of leaves of five species that have no resistance to freezing: bean (Phaseolus vulgaris L.), tobacco (Nicotiana tabacum L.), tomato (Lycopersicon esculentum L.), cucumber (Cucumis sativus L.), and corn (Zea mays L.). In the leaves of the four ...

journal_title：Planta

authors： Ashworth EN,Pearce RS

更新日期：2002-03-01 00:00:00

abstract：:The genomic sequence of a rice (Oryza sativa L.) glycine-rich protein (GRP) gene, designated Osgrp-2, has been previously determined (GenBank U40708). Primer extension analysis indicated that transcription starts 47 bp upstream of the translation start codon. To gain an insight into the transcriptional regulation of t...

journal_title：Planta

authors： Liu ZZ,Wang JL,Huang X,Xu WH,Liu ZM,Fang RX

更新日期：2003-03-01 00:00:00

abstract：:In order to analyze the genetic programme expressed during the early stages of embryogenesis a cDNA clone bank was constructed from desiccation-tolerant excised barley embryos 18 d after pollination (D. Bartels et al., 1988, Planta 175, 485-492). One of the selected cDNA clones pG31 encodes a transcript of 1300 nucleo...

journal_title：Planta

authors： Alexander R,Alamillo JM,Salamini F,Bartels D

更新日期：1994-01-01 00:00:00

abstract：:(15)N-labelled nitrate was used to show that nitrate reduction by leaf discs in darkness was suppressed by oxygen, whereas nitrite present within the cell could be reduced under aerobic dark conditions. In other experiments, unlabelled nitrite, allowed to accumulate in the tissue during the dark anaerobic reduction of...

journal_title：Planta

authors： Mann AF,Hucklesby DP,Hewitt EJ

更新日期：1979-01-01 00:00:00

abstract：:The giant cells of the petiolar hairs of Heracleum mantegazzianum contain cytoplasmic fibres that are readily visible with phase contrast or interference contrast optics. These fibres are associated with saltatory particle movement and protoplasmic streaming in this cell and are believed to be the living image of simi...

journal_title：Planta

authors： O'Brien TP,McCully ME

更新日期：1970-03-01 00:00:00

abstract：:Vacuoles isolated from red beet (Beta vulgaris L.) storage roots contain Na(+) and K(+) but their analysis does not give reliable information about the size of vacuolar pools of these ions in vivo. Analyses of isolated vacuoles indicated that between 53% and 90% of the Na(+) was located in the vacuole and that the vac...

journal_title：Planta

authors： Leigh RA,Tomos AD

更新日期：1983-11-01 00:00:00

abstract：:The infection of cucumber leaves by Colletotrichum lagenarium was studied using cytological methods. Its progress in untreated plants was compared with that in plants in which systemic resistance had been induced by pre-infecting the first true leaf with the same fungus. In induced plants, a reduction of fungal develo...

journal_title：Planta

authors： Kováts K,Binder A,Hohl HR

更新日期：1991-03-01 00:00:00

abstract：:α-Galactosidase II(2) (MW ∼ 43 390) from resting Vicia faba L. seeds had been shown to possess D-glucose/D-mannose-specific lectin activity. Inhibition studies with monosaccharides and an examination of the effects of heat and pH on the catalytic and lectin activities of the enzyme indicate that the enzyme substrate a...

journal_title：Planta

authors： Dey PM,Naik S,Pridham JB

更新日期：1986-01-01 00:00:00

abstract：:In the shoot apex of Selaginella kraussiana A. Br., air spaces develop between the endodermal cells, isolating the two steles from the cortex. The endodermal cells elongate to form trabeculae connecting the two tissues. As each trabecular cell develops, cuticularization occurs on the external surface at a point mid-wa...

journal_title：Planta

authors： McLean B,Juniper BE

更新日期：1979-01-01 00:00:00