Physiological elevations in cytoplasmic free calcium by cold or ion injection result in transient closure of higher plant plasmodesmata.

abstract：:The abscisic-acid (ABA) contents of isolated guard-cell protoplasts and mesophyll-cell protoplasts fromVicia faba were determined by high-pressure liquid chromatography followed by gas chromatography. The amounts of ABA found immediately after preparation of the protoplasts varied from 90 to 570 amol per guard-cell pr...

journal_title：Planta

authors： Lahr W,Raschke K

更新日期：1988-12-01 00:00:00

abstract：:Endogenous extractable factors associated with auxin action in plant tissues were investigated, especially their effects on elongation of 1-mm coleoptile segments of maize (Zea mays L.), in the presence of saturating 10 microM indole-3-acetic acid (IAA). The relative growth response, to auxin alone, was much smaller i...

journal_title：Planta

authors： Park WJ,Schäfer A,Prinsen E,van Onckelen H,Kang BG,Hertel R

更新日期：2001-05-01 00:00:00

abstract：:Some cultured plant cells are able to acquire tolerance to various stresses when they are cultured under suitably controlled conditions. Induction of a high level of desiccation tolerance in suspension-cultured cells of the liverwort Marchantia polymorpha was examined for studying the mechanisms of desiccation toleran...

journal_title：Planta

authors： Hatanaka R,Sugawara Y

更新日期：2010-03-01 00:00:00

abstract：:Action spectra for chromatic adaptation in Fremyella diplosiphon Drouet have been determined using techniques previously described. Action maxima are at 540 nm, with a half-band width of 80 nm, for induction of phycoerythrin synthesis (green action) and at 650 nm, with a half-band width of 90 nm, for reversal of induc...

journal_title：Planta

authors： Vogelmann TC,Scheibe J

更新日期：1978-01-01 00:00:00

abstract：:Plants of Monstera deliciosa Liebm. pruned to exemplars with one leaf and one aerial root were labeled with 7.4 MBq (14)CO2 over the leaf blade. Microautoradiographs of soluble and insoluble radioactivity were prepared from three different regions of the aerial root. In addition, histochemical localization of ATPase w...

journal_title：Planta

authors： Eschrich W

更新日期：1983-05-01 00:00:00

abstract：:We have investigated the regulation of sucrose storage in cell-suspension cultures of sugarcane. When grown in batch culture, sucrose accumulation commences after about 5 d, when the nitrogen supply is exhausted. Sucrose storage is also induced by decreasing the nitrogen supply to cells growing in a chemostat. The mea...

journal_title：Planta

authors： Wendler R,Veith R,Dancer J,Stitt M,Komor E

更新日期：1991-12-01 00:00:00

abstract：MAIN CONCLUSION:Methyl jasmonate promotes the synthesis of rosmarinic acid in Salvia miltiorrhiza Bunge and Salvia castanea f. tomentosa Stib, and it promotes the latter more strongly. Salvia miltiorrhiza Bunge (SMB) is a traditional Chinese medicinal material, its water-soluble phenolic acid component rosmarinic acid ...

journal_title：Planta

authors： Hou Z,Li Y,Su F,Chen J,Zhang X,Xu L,Yang D,Liang Z

更新日期：2020-11-27 00:00:00

abstract：:The lectin from the garden pea (Pisum sativum L.) has been localized at the ultrastructural level by the unlabeled peroxidase-antiperoxidase procedure of L.A. Sternberger et al. (1970, J. Histochem. Cytochem 18, 315-333) in 24 h imbibed seeds. Upon examination by light microscopy and transmission electron microscopy, ...

journal_title：Planta

authors： Van Driessche E,Smets G,Dejaegere R,Kanarek L

更新日期：1981-12-01 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：:Isoprene emission is related to photosynthesis but the nature of the relationship is not yet known. To explore this relationship we have examined the rate of isoprene emission, photosynthesis, and the contents of photosynthetic metabolites in leaves of velvet bean (Mucuna deeringeniana L.) and red oak (Quercus rubra L...

journal_title：Planta

authors： Loreto F,Sharkey TD

更新日期：1993-03-01 00:00:00

abstract：:1. At relatively low concentrations, UdR generally enhances the inhibition caused by 5-BUdR. When the concentration of UdR is progressively increased, an inversion of the effects of UdR is observed; this inversion may go as far as complete reversal of the inhibition caused by 5-BUdR in the case of hypocotyl growth. 2....

journal_title：Planta

authors： Gullot A

更新日期：1971-06-01 00:00:00

abstract：:Non-lignified fibre cells (named gelatinous fibres) are present in tension wood and the stems of fibre crops (such as flax and hemp). These cells develop a very thick S2 layer within the secondary cell wall, which is characterised by (1) cellulose microfibrils largely parallel to the longitudinal axis of the cell, and...

journal_title：Planta

authors： Gorshkova T,Morvan C

更新日期：2006-01-01 00:00:00

abstract：:During a search for genes with induced or enhanced expression in the early stages of development of stem-borne nodules on Sesbania rostrata, a cDNA with homology to chalcone reductase (CHR) genes was isolated. Here, we describe the characterization of a full-length CHR cDNA (Srchr1) and the pattern of CHR transcript a...

journal_title：Planta

authors： Goormachtig S,Lievens S,Herman S,Van Montagu M,Holsters M

更新日期：1999-07-01 00:00:00

abstract：MAIN CONCLUSION:The chlorophyll fluorescence parameter ΦNO is an excellent metric for the non-destructive monitoring of disease progression, measured over a broad range of light intensities. The suitability of the slow induction chlorophyll fluorescence parameters ΦPSII, ΦNPQ, and ΦNO to monitor in vivo disease progres...

journal_title：Planta

authors： Ivanov DA,Bernards MA

更新日期：2016-01-01 00:00:00

abstract：:Heterocysts of Anabaena cylindrica, isolated rapidly in the cold, were found-in contrast to earlier reports-to contain all of the same lipids and lipophilic pigments, and in about the same proportions, as vegetative cells. In broken filaments and in heterocysts damaged during isolation, the membrane lipids and certain...

journal_title：Planta

authors： Winkenbach F,Wolk CP,Jost M

更新日期：1972-03-01 00:00:00

abstract：:O2-uptake and CO2-release by a chlorophyll-free, carotenoid-containing mutant of Chlorella vulgaris increase on addition of Na-glycolate by factors of 4-5 and 5-6, respectively (Fig. 1). In an enzyme preparation of that alga (sonification, centrifugation, precipitation with 0-30% (NH4)2SO4, dialysis) activity of glyco...

journal_title：Planta

authors： Kowallik W,Schmid GH

更新日期：1971-09-01 00:00:00

abstract：:Each plant species in nature harbors endophytes, a community of microbes living within host plants without causing any disease symptom. However, the exploitation of endophyte-based phytoprotectants is hampered by the paucity of mechanistic understandings of endophyte-plant interaction. We here reported two endophytic ...

journal_title：Planta

authors： Lin L,Ge HM,Yan T,Qin YH,Tan RX

更新日期：2012-12-01 00:00:00

abstract：:MicroRNAs (miRNAs) are emerging as essential regulators of biological processes. Somatic embryogenesis is one of the most important techniques for gymnosperm-breeding programs, but there is little understanding of its underlying mechanism. To investigate the roles of miRNAs during somatic embryogenesis in larch, we co...

journal_title：Planta

authors： Zhang J,Zhang S,Han S,Wu T,Li X,Li W,Qi L

更新日期：2012-08-01 00:00:00

abstract：:An inactivated nitrate reductase (EC 1.6.6.1) formed in vivo by the green alga Chlorella fusca Shihira and Kraus is shown to be a cyanide complex. The partially purified inactive enzyme releases 0.048 nmol of HCN per unit of enzyme activated. This compares with 0.066 nmol of HCN liberated in similar previous measureme...

journal_title：Planta

authors： Gewitz HS,Piefke J,Vennesland B

更新日期：1978-01-01 00:00:00

abstract：:Previous studies have led to the identification and characterization of specific, high-affinity binding sites for a hepta-beta-glucoside elicitor in soybean. A survey of plant species for elicitor-binding activity reveals that among the plants tested, the hepta-beta-glucoside elicitor is only recognized by plants belo...

journal_title：Planta

authors： Côté F,Roberts KA,Hahn MG

更新日期：2000-09-01 00:00:00

abstract：:Changes in fatty-acid metabolism were studied in soybean (Glycine max Merr.) cotyledons during senescence as well as in cotyledons which had been caused to regreen by removal of the epicotyl from the seedling. The activities of the enzymes acetyl-CoA synthetase (EC 6.2.1.1) and fatty-acid synthetase in plastids isolat...

journal_title：Planta

authors： Place MA,Morgan MS,Rutkoski A,Newman DW,Jaworski JG

更新日期：1979-12-01 00:00:00

abstract：:Single cell sap sampling and analysis were used to measure the longitudinal and radial distribution of sucrose, glucose and fructose in the apical cell division zone and in the basal, elongated zone of the Ricinus hypocotyl. Sucrose and hexose increased in concentration from the apex to the base of the seedling axis. ...

journal_title：Planta

authors： Verscht J,Tomos D,Komor E

更新日期：2006-11-01 00:00:00

abstract：:A study has been made of the wall fibrils produced by tobacco protoplasts, using scanning electron microscopy in conjunction with negative staining. It has been shown that the fibres seen in scanning electron microscopy correspond to aggregates of microfibrils. These aggregates are only visible where they are lifted c...

journal_title：Planta

authors： Burgess J,Linstead PJ

更新日期：1979-01-01 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：:Gibberellic acid (GA3) enhances ultrastructural morphogenesis of plastids in greening cereals whilst abscisic acid (ABA) and CCC have the reverse effect over a shorter period. GA3 application counteracts the ABA and CCC inhibition of membrane development and, over longer periods of greening, the fastest rate of chloro...

journal_title：Planta

authors： Wellburn FA,Wellburn AR,Stoddart JL,Treharne KJ

更新日期：1973-12-01 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：:The amino acid content increases substantially in salt-stressed plants. The physiological relevance of this phenomenon remains largely unknown. Using the MIFE ion flux measuring technique, we studied the effects of physiologically relevant concentrations of 26 amino acids on NaCl-induced K(+) flux from barley root epi...

journal_title：Planta

authors： Cuin TA,Shabala S

更新日期：2007-02-01 00:00:00

abstract：:A bioassay for the inhibition of flowering involving the in vitro culture of excised, partially-induced, apices of Viscaria candida is described. This bioassay has been used to detect flowering inhibition in extracts from Kalanchoe blossfeldiana. ...

journal_title：Planta

authors： Blake J

更新日期：1972-06-01 00:00:00

abstract：:Increasing blue light intensity inhibits the growth of Chlorella pyrenoidosa in glucose culture in which photosynthesis is blocked by DCMU, whereas red light supports growth which is the same as or better than that in dark controls.The action spectrum of light induced protein synthesis from exogenous glucose (photosyn...

journal_title：Planta

authors： Kowallik W

更新日期：1966-09-01 00:00:00

abstract：MAIN CONCLUSION:Site-specific changes of photosynthesis, a relatively new concept, can be used to improve the productivity of critical food crops to mitigate the foreseen food crisis. Global food security is threatened by an increasing population and the effects of climate change. Large yield improvements were achieved...

journal_title：Planta

authors： Dehigaspitiya P,Milham P,Ash GJ,Arun-Chinnappa K,Gamage D,Martin A,Nagasaka S,Seneweera S

更新日期：2019-10-01 00:00:00