Paramylon synthesis by Euglena gracilis photoheterotrophically grown under low O2 pressure : Description of a mitochloroplast complex.

abstract：:Simultaneous measurement of the pressure potential of the phloem of F. americana made on two locations on the trunk over long periods of time showed synchronous oscillations of no fixed period during the day. The simultaneous changes in pressure in two different trees indicated environmental changes were responsible f...

journal_title：Planta

authors： Lee DR

更新日期：1981-04-01 00:00:00

abstract：:Our aim was to identify, using their complementary DNAs (cDNAs), genes which are rapidly and transiently expressed during the initial phase of blue-light-induced chloroplast differentiation in cultured plant cells (Chenopodium rubrum L.), and to evaluate the role of their prospective products with regard to light perc...

journal_title：Planta

authors： Kaldenhoff R,Richter G

更新日期：1990-05-01 00:00:00

abstract：:Relative quantum responsivity curves for inhibition of hypocotyl elongation in Sinapis alba L. seedlings previously grown in white light confirm that a marked "end of day" inhibition response can be induced by a monochromatic light treatment (30 min) at the end of the light period. In dark grown seedlings, however, no...

journal_title：Planta

authors： Beggs CJ,Geile W,Holmes MG,Jabben M,Jose AM,Schäfer E

更新日期：1981-02-01 00:00:00

abstract：:Photoinhibition of photosynthesis was induced in attached leaves of kiwifruit grown in natural light not exceeding a photon flux density (PFD) of 300 μmol·m(-2)·s(-1), by exposing them to a PFD of 1500 μmol·m(-2)·s(-1). The temperature was held constant, between 5 and 35° C, during the exposure to high light. The kine...

journal_title：Planta

authors： Greer DH,Laing WA,Kipnis T

更新日期：1988-05-01 00:00:00

abstract：:The ontogenetic change taking place in the facultative photoperiodic response of A. retroflexus to inductive short-day (SD) conditions was studied by exposing plants to continuous induction after different initial exposures to long-days (LD), and comparing the kinetics of their developmental responses (cumulative numb...

journal_title：Planta

authors： Koller D,Kigel J,Ovadiah S

更新日期：1977-01-01 00:00:00

abstract：:Ascorbic acid (AsA) plays an essential role in plants by protecting cells against oxidative damage. GDP-L-galactose phosphorylase (GGP) is the first committed gene for AsA synthesis. Our research examined AsA levels, regulation of GGP gene expression, and how these are related to abiotic stresses in two species of Act...

journal_title：Planta

authors： Li J,Liang D,Li M,Ma F

更新日期：2013-09-01 00:00:00

abstract：:Fine-structural investigations of 24 monocotyledons from 21 families and all but one order succeeded in revealing a plastid with cuneate proteinaceous inclusion bodies as being typical of monocot sieve-tubes. Inclusion bodies originate in large numbers during plastid differentiation; they concentrate in the matrix and...

journal_title：Planta

authors： Behnke HD

更新日期：1968-06-01 00:00:00

abstract：:To study the interdependence of sucrose accumulation and its hydrolyzing enzyme, soluble acid invertase (AI; EC 3.2.1.26), in fructan-accumulating temperate grasses and cereals, experiments were performed in which sucrose synthesis was abolished in leaves of Lolium temulentum by four independent inhibitory factors, ea...

journal_title：Planta

authors： Cairns AJ,Gallagher JA

更新日期：2004-09-01 00:00:00

abstract：:It is usually assumed that aquaporins present in the cellular membranes could be an important route in the control of water flux in plants, but evidence for this hypothesis is scarce. In this paper, we report measurements of the osmotic permeability (P(os) of protoplasts isolated from hypocotyls of wild-type and mutan...

journal_title：Planta

authors： Morillon R,Catterou M,Sangwan RS,Sangwan BS,Lassalles JP

更新日期：2001-01-01 00:00:00

abstract：:Uncovered in studies on photosynthesis 35 years ago, redox regulation has been extended to all types of living cells. We understand a great deal about the occurrence, function, and mechanism of action of this mode of regulation, but we know little about its origin and its evolution. To help fill this gap, we have take...

journal_title：Planta

authors： Balsera M,Uberegui E,Susanti D,Schmitz RA,Mukhopadhyay B,Schürmann P,Buchanan BB

更新日期：2013-02-01 00:00:00

abstract：:Conductivity changes in the medium of cultured soybean (Glycine max L.) cells were shown to be strictly correlated with nitrate uptake and growth of the cultures. A continuous record of the conductivity was used as a simple and reliable method of determining specific growth stages and concomitant peaks in the activiti...

journal_title：Planta

authors： Hahlbrock K,Ebel J,Oaks A,Auden J,Liersch M

更新日期：1974-03-01 00:00:00

abstract：:Wild-type (Ph1) and adenine-requiring (Ad1) cell lines of Datura innoxia Mill. were used in experiments to evaluate arsenate as a growth-lethal compound and its use as a counterselection agent. These experiments led to the devising of methods for the recovery of Ph1 and Ad1 cells after arsenate treatment when plated a...

journal_title：Planta

authors： Horsch RB,King J

更新日期：1984-02-01 00:00:00

abstract：:Throughout a period of 23 days, during which the photosynthesis, growth and transpiration of two species of Atriplex were compared, A. spongiosa, a "C4" species (first products of photosynthesis = 4-C dicarboxylic acids), maintained net rates of leaf photosynthesis as high as, or higher than, those of A. hastata, a "C...

journal_title：Planta

authors： Slatyer RO

更新日期：1970-09-01 00:00:00

abstract：MAIN CONCLUSION:Rhizobial symbiosis improved the water status of bean plants under salinity-stress conditions, in part by increasing their osmotic root water flow. One of the main problems for agriculture worldwide is the increasing salinization of farming lands. The use of soil beneficial microorganisms stands up as a...

journal_title：Planta

authors： Franzini VI,Azcón R,Ruiz-Lozano JM,Aroca R

更新日期：2019-04-01 00:00:00

abstract：:Photoheterotrophic and photoautotrophic cell suspension cultures were raised from a callus tissue derived from a Morinda lucida Benth. plant (Rubiaceae). The cultures were characterized with regard to fresh weight, dry weight, cell number, pH, chlorophyll and quinoid natural products. The amount of lipoquinones (phyll...

journal_title：Planta

authors： Igbavboa U,Sieweke HJ,Leistner E,Röwer I,Hüsemann W,Barz W

更新日期：1985-12-01 00:00:00

abstract：:Isolated chloroplasts from spinach leaf cells, chloroplast subfractions, and a cell-free system of the cyanobacterium Synechococcus CCAP 6312 incorporated [1-(14)C]isopentenyl pyrophosphate in high yields into prenyl lipids. Products were polyprenols (C20, C45) chlorophylls, quinoid compounds, and fatty acid prenyl es...

journal_title：Planta

authors： Lütke-Brinkhaus F,Weiss G,Kleinig H

更新日期：1985-01-01 00:00:00

abstract：:Cutin synthesis of Clivia miniata Reg. was studied by using intact leaves. Tritium-labelled hexadecanoic acid was used as precursor and was administered as droplets of micellar solutions to the upper surface of expanding leaves. Radiolabel was incorporated rapidly. Within 2 h, up to 10% of the label administered had b...

journal_title：Planta

authors： Lendzian KJ,Schönherr J

更新日期：1983-06-01 00:00:00

abstract：:Rehydration of desiccated Cuphea seeds results in a rapid morphological change in the seed. Within 20 min thread like epidermal hairs are present on the seed surface. The hairs, which are highly ordered helical structures, are present in the epidermal cells of the desiccated seed. Following emergence the hairs increas...

journal_title：Planta

authors： Stubbs JM,Slabas AR

更新日期：1982-09-01 00:00:00

abstract：:Protein phosphatase 2A (PP2A) is a serine/threonine-specific phosphatase comprising a catalytic subunit (C), a scaffolding subunit (A), and a regulatory subunit (B). The B subunits are believed to be responsible for substrate specificity and localization of the PP2A complex. In plants, three families of B subunits exi...

journal_title：Planta

authors： Matre P,Meyer C,Lillo C

更新日期：2009-10-01 00:00:00

abstract：:Freshly isolated protoplasts or separated cells prepared from leaves of Nicotiana tabacum L. cvs. Xanthincor Turkish Samsun exhibit substantially greater incorporation of [(3)H] leucine and [(3)H] uridine into protoplast protein and RNA, respectively, when dilute rather than concentrated suspensions are incubated. Thi...

journal_title：Planta

authors： Rubin G,Zaitlin M

更新日期：1976-01-01 00:00:00

abstract：MAIN CONCLUSION:Exogenously applied 2% fructose is the most appropriate carbon source that enhances photosynthesis and growth of grape plantlets compared with the same concentrations of sucrose and glucose. The role of the sugars was regulated by the expression of key candidate genes related to hormones, key metabolic ...

journal_title：Planta

authors： Mao J,Li W,Mi B,Dawuda MM,Calderón-Urrea A,Ma Z,Zhang Y,Chen B

更新日期：2017-09-01 00:00:00

abstract：:Surgical experiments on Helianthus annuus and Phaseolus multiflorus seedlings involving the application of auxin and gibberellin to decapitated plants, suggested that internode extension growth occurs under the controlling influence of apically synthesised gibberellin rather than auxin. Studies were made of diffusible...

journal_title：Planta

authors： Phillips ID

更新日期：1972-09-01 00:00:00

abstract：:The movement of applied (137)Cs and of naturally-assimilated (14)C down the long stolon of Saxifraga is strongly inhibited by confining a length of 10 to 30 cm of the stolon in an atmosphere of nitrogen. The inhibition is reversible, normal transport being restored after less then 4 h when the stolon is returned to ai...

journal_title：Planta

authors： Qureshi FA,Spanner DC

更新日期：1973-06-01 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：:Nitrate-induced and phytochrome-modulated appearance of nitrate reductase (NR; EC 1.6.6.1) and nitrite reductase (NIR; EC 1.7.7.1) in the cotyledons of the mustard (Sinapis alba L.) seedling is strongly affected by externally supplied ammonium (NH 4 (+) ). In short-term experiments between 60 and 78 h after sowing it ...

journal_title：Planta

authors： Rajasekhar VK,Mohr H

更新日期：1986-12-01 00:00:00

abstract：:Plant HXXXD acyltransferase-catalyzed malonylation is an important modification reaction in elaborating the structural diversity of flavonoids and anthocyanins, and a universal adaptive mechanism to detoxify xenobiotics. Nicotiana tabacum malonyltransferase 1 (NtMaT1) is a member of anthocyanin acyltransferase subfami...

journal_title：Planta

authors： Manjasetty BA,Yu XH,Panjikar S,Taguchi G,Chance MR,Liu CJ

更新日期：2012-09-01 00:00:00

abstract：MAIN CONCLUSION:74 phytocyanin genes were identified in the Populus trichocarpa genome. Phylogenetic analysis grouped the PC proteins into four subfamilies (UCs, PLCs, SCs, and ENODLs). Closely related PC proteins share similar motifs, implying similar functions. Expression profiles of PtPC genes were analyzed in respo...

journal_title：Planta

authors： Luo S,Hu W,Wang Y,Liu B,Yan H,Xiang Y

更新日期：2018-05-01 00:00:00

abstract：:The effect of abscisic acid (ABA) on assimilate transport in barley was investigated in two parallel experiments. First, the effect upon [(14)C]sucrose transport from the flag leaf to the ear of a single ABA application made at different stages of growth of the fruits was investigated; the effect was measured 24 h aft...

journal_title：Planta

authors： Tietz A,Ludewig M,Dingkuhn M,Dörffling K

更新日期：1981-10-01 00:00:00

abstract：:The new type blue light (BL) receptor aureochrome (AUREO) was recently discovered in a stramenopile alga, Vaucheria (Takahashi et al. Proc Natl Acad Sci USA 104(49):19625-19630, 2007). AUREO has a bZIP (basic region/leucine zipper) and BL-sensing light-oxygen-voltage (LOV) domain and functions as a BL-activated transc...

journal_title：Planta

authors： Ishikawa M,Takahashi F,Nozaki H,Nagasato C,Motomura T,Kataoka H

更新日期：2009-08-01 00:00:00

abstract：:Polyribosomes which have template activity in the wheat germ system have been isolated from developing pea seeds. Some of the translation products have identical mobilities to the vicilin and legumin subunits by SDS-PAGE. Certain products were specifically immunoprecipitated with antisera prepared against purified vic...

journal_title：Planta

authors： Marta Evans I,Croy RR,Hutchinson P,Boulter D,Payne PI,Gordon ME

更新日期：1979-01-01 00:00:00