Biochemical reactions of different tissues of potato (Solanum tuberosum) to zoospores or elicitors from Phytophthora infestans : Accumulation of sesquiterpenoid phytoalexins.

abstract：:Localisation of α-amylase (EC 3.2.1.1) in barley aleurone cells treated with gibberellic acid has been achieved using protein A-gold-labelled polyclonal antibodies. Gold particles were located almost exclusively over the lumen of the rough endoplasmic reticulum and cisternae of the Golgi apparatus. The label was most ...

journal_title：Planta

authors： Gubler F,Jacobsen JV,Ashford AE

更新日期：1986-09-01 00:00:00

abstract：:The electrochemical potential differences [Formula: see text] for potassium, between excised barley (Hordeum vulgare L.) roots and external media containing 0.05 mM KCl+0.5 mM CaSO4, were determined over a 4-h period during which initially low-K(+) roots accumulated K(+) by pretreatment in 50 mM KCl plus 0.5 mM CaCl2....

journal_title：Planta

authors： Glass AD,Dunlop J

更新日期：1979-01-01 00:00:00

abstract：:Alfalfa (Medicago sativa L. cv. Canadian No. 1), tobacco (Nicotiana tabacum L. var. humilis) and wheat (triticum monococcum L.) cells were grown in a defined, liquid medium containing either ammonium sulfate, L-glutamine or potassium nitrate as the sole nitrogen source, and the effects of the tricarboxylic-acid (TCA) ...

journal_title：Planta

authors： Fukunaga Y,King J,Child JJ

更新日期：1978-01-01 00:00:00

abstract：:Four proteins were isolated from depectinised elementary fibres of flax (Linum usitatissimum L.), using either alkali or cellulase digestion treatments. All the four proteins were characterized by a deficiency or low contents of hydroxyproline and by high levels of glutamic acid/glutamine and/or aspartic acid/asparagi...

journal_title：Planta

authors： Girault R,His I,Andeme-Onzighi C,Driouich A,Morvan C

更新日期：2000-07-01 00:00:00

abstract：MAIN CONCLUSION:Our work strongly suggests that microRNA858 regulates anthocyanin biosynthesis in tomato by modulating the expression of two R2R3 MYB transcription factors, underscoring the importance of microRNAs in the gene regulatory network controlling specialized metabolism in plants. The biological functions of m...

journal_title：Planta

authors： Jia X,Shen J,Liu H,Li F,Ding N,Gao C,Pattanaik S,Patra B,Li R,Yuan L

更新日期：2015-07-01 00:00:00

abstract：:Soybean (Glycine max (L.) Merr.) seeds contain the storage protein β-conglycinin, encoded by a multigene family. β-Conglycinin consists of three subunits; α', α, and β. A genomic clone for a β-subunit of β-conglycinin has been characterized by restriction-enzyme mapping and hybrid selected in-vitro translation followe...

journal_title：Planta

authors： Bray EA,Naito S,Pan NS,Anderson E,Dubé P,Beachy RN

更新日期：1987-11-01 00:00:00

abstract：:Ultrastructural changes in the cortical cytoskeleton during wound-induced cytoplasmic contraction were examined in the coenocytic green alga Ernodesmis verticillata. Both calmodulin (CaM) and actin were localized in intact and contracting cells by immunogold labeling. Within 5 min after wounding, compact microfilament...

journal_title：Planta

authors： Goddard RH,La Claire JW 2nd

更新日期：1991-12-01 00:00:00

abstract：:In Arabidopsis the in vitro culture of immature zygotic embryos (IZEs) at a late stage of development, on the solid medium containing synthetic auxin, leads to formation of somatic embryos via direct somatic embryogenesis (DSE). The presented results provide evidence that in IZE cells competent for DSE are located in ...

journal_title：Planta

authors： Kurczyńska EU,Gaj MD,Ujczak A,Mazur E

更新日期：2007-08-01 00:00:00

abstract：:The expression of a gene, encoding a dehydrin protein designated as DHN24 was analyzed at the protein level in two groups of Solanum species differing in cold acclimation ability. The DHN24 protein displays consensus amino acid sequences of dehydrins, termed K- and S-segments. The S-segment precedes three K-segments, ...

journal_title：Planta

authors： Rorat T,Szabala BM,Grygorowicz WJ,Wojtowicz B,Yin Z,Rey P

更新日期：2006-06-01 00:00:00

abstract：:Ceratonia siliqua L. exhibited a sigmoid growth pattern with each stage being controlled by specific substances. At least three auxin-like substances were involved during fruit morphogenesis with the main one being at indole-acetic acid Rf. Auxin-like substances were present at highest level during stage II, when frui...

journal_title：Planta

authors： Ilahi I,Vardar Y

更新日期：1976-01-01 00:00:00

abstract：:The technique of EDTA-enhanced phloem exudation (King and Zeevaart, 1974: Plant Physiol. 53, 96-103) was evaluated with respect to the collection and identification of amino acids exported from senescing wheat leaves. Whilst the characteristics of the exudate collected conform with many of the accepted properties of p...

journal_title：Planta

authors： Simpson RJ,Dalling MJ

更新日期：1981-05-01 00:00:00

abstract：:Phosphoenolpyruvate (PEP) carboxylase has been isolated from etiolated and light-grown sugar cane, and a comparison made of the physical and kinetic characteristics of the enzymes. Differences were found in the DEAE-cellulose elution profiles, in saturation kinetics with PEP as variable substrate and with Mg(2+) as va...

journal_title：Planta

authors： Goatly MB,Smith H

更新日期：1974-03-01 00:00:00

abstract：:Three cDNAs (PgEMB22, 27 and 29) predicted to encode low-molecular-weight (LMW) heat-shock proteins (HSPs) were cloned and characterized from white spruce [Picea glauca (Moench) Voss] somatic embryo tissues by differentially screening a cotyledonary embryo cDNA library. Clone PgEMB22 is predicted to encode a putative ...

journal_title：Planta

authors： Dong JZ,Dunstan DI

更新日期：1996-01-01 00:00:00

abstract：:The relationship between adenine-nucleotide levels and metabolism-dependent membrane potential was studied in cells of Nitellopsis obtusa. Effects of ADP and AMP in the presence of ATP on electrogenic pump activity were measured in the dark, using the continuous perfusion method. Both ADP and AMP acte as competitive i...

journal_title：Planta

authors： Mimura T,Shimmen T,Tazawa M

更新日期：1984-09-01 00:00:00

abstract：:Xanthine dehydrogenase (XDH, EC 1.2.1.37) was purified from root nodules of soybean (Glycine max) and used to prepare a polyclonal rabbit antiserum. Monospecificity of this antiserum was ascertained by sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the immunoprecipate. During root nodule development of s...

journal_title：Planta

authors： Nguyen J,Machal L,Vidal J,Perrot-Rechenmann C,Gadal P

更新日期：1986-02-01 00:00:00

abstract：:Water potential, osmotic potential and turgor measurements obtained by using a cell pressure probe together with a nanoliter osmometer were compared with measurements obtained with an isopiestic psychrometer. Both types of measurements were conducted in the mature region of Tradescantia virginiana L. leaves under non-...

journal_title：Planta

authors： Nonami H,Schulze ED

更新日期：1989-01-01 00:00:00

abstract：:The patterns of nitrate uptake, nitrate reductase activity in the leaves, and nitrogen fixation by the nodules were investigated in field-grown soybeans (Glycine max (L.) Merr.) over the growing season.The level of nitrate-reductase activity generally paralleled the concentration of nitrate in the leaf tissue over the...

journal_title：Planta

authors： Thibodeau PS,Jaworski EG

更新日期：1975-01-01 00:00:00

abstract：:Plants growing under elevated CO₂ concentration may acclimatize to this environmental change by modification of chemical, physiological, and/or morphological traits. As a consequence, not only plant functioning but also plant-insect interactions might be altered, with important consequences particularly for agricultur...

journal_title：Planta

authors： Klaiber J,Najar-Rodriguez AJ,Piskorski R,Dorn S

更新日期：2013-01-01 00:00:00

abstract：:The profile of (14)C, that is the plot of log (radioactivity) against distance, down the stem of Helianthus seedlings was studied over the course of the first hour after feeding (14)C to a leaf. These seedlings are shown to accumulate a large proportion of the total (14)C present in the stem in an ethanol insoluble fo...

journal_title：Planta

authors： Whittle CM

更新日期：1970-09-01 00:00:00

abstract：:Conchospores from the perennial conchocelis phase of the annual, epiphytic, marine red alga Porphyra nereocystis Anderson, which in nature lives on the large annual kelp Nereocystis luetkeana (Mertens) Postels et Ruprecht, are released in culture only in response to a short-day photoperiod treatment followed by a long...

journal_title：Planta

authors： Dickson LG,Waaland JR

更新日期：1985-09-01 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：:Crude extracts of dark-kept resting cells of a chlorophyll-free, carotenoid-containing mutant of Chlorella vulgaris Beijerinck (211-11h/20) were found to convert 14.44±0.77 nmol PEP per min and mg protein into pyruvate by the action of pyruvate kinase (=PK; EC 2.7.1.40). When such cells were exposed to blue light (λ<5...

journal_title：Planta

authors： Kowallik W,Ruyters G

更新日期：1976-01-01 00:00:00

abstract：:PR-1 has been extensively used as a marker for salicylic acid (SA)-mediated defence and systemic and local acquired resistance. The Arabidopsis Genome Project annotates At2g19990 as PR-1. This gene is also identified as PR-1 in two "full genome" Arabidopsis microarrays, and TAIR cites approximately 60 articles to desc...

journal_title：Planta

authors： Laird J,Armengaud P,Giuntini P,Laval V,Milner JJ

更新日期：2004-10-01 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：:Mannose-containing polysaccharides are widely distributed in cell walls of higher plants. During endosperm mobilization in germinated tomato seeds (1-->4)-beta-mannan endohydrolases (EC 3.2.1.78) participate in the enzymic depolymerization of these cell wall polysaccharides. A cDNA encoding a (1-->4)-beta-mannanase fr...

journal_title：Planta

authors： Bewley JD,Burton RA,Morohashi Y,Fincher GB

更新日期：1997-12-01 00:00:00

abstract：:An acidic (Fs) and a nearly neutral (Fn) protein fraction were extracted from the chromatin of calf thymus and pea seedlings. Both fractions are able to combine with protein-free DNA to form a complex, which, however, has a lower thermal stability than a DNA-histone complex. Fs and Fn inhibit root initiation in a simi...

journal_title：Planta

authors： Fellenberg G

更新日期：1969-06-01 00:00:00

abstract：:Tea seed is believed to be recalcitrant based on its sensitivity to chilling or drying stress. Reactive oxygen species (ROS) and alterations in cytosolic redox status have been implicated in intolerance to desiccation by recalcitrant seed, but there is little information available regarding how ROS are regulated in se...

journal_title：Planta

authors： Chen Q,Yang L,Ahmad P,Wan X,Hu X

更新日期：2011-03-01 00:00:00

abstract：:The dehydration-responsive element binding proteins (DREB1)/C-repeat (CRT) binding factors (CBF) function as transcription factors and bind to the DRE/CRT cis-acting element (core motif: G/ACCGAC) commonly present in cold-regulated (COR) genes and subsequently upregulate the expression of such genes in Arabidopsis. We...

journal_title：Planta

authors： Xiong Y,Fei SZ

更新日期：2006-09-01 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：:Movement of IAA was studied in excised coleoptile apices and whole seedlings of Zea mays L. and Avena sativa L. during geotropic stimulation. A micropipette technique permitted the application of [5-(3)H]IAA at predetermined points on the coleoptiles with minimal tissue damage.When [5-(3)H]IAA was applied to the upper...

journal_title：Planta

authors： Shaw S,Gardner G,Wilkins MB

更新日期：1973-06-01 00:00:00