The velocities of ion transport into and through the xylem of roots: findings with a two-point application pulse-chase technique.

abstract：:Cytidine deoxyriboside (Cdr), uridine deoxyriboside (Udr), and guanosine deoxyriboside (Gdr), induce quantitative bleaching of the fronds of Lemna minor (duckweed) during growth in continuous light on photoheterotrophic medium. Cdr-induced bleaching is not accompanied by a reduction in frond multiplication rate, but U...

journal_title：Plant physiology

authors： Frick H

更新日期：1978-06-01 00:00:00

abstract：:Photosynthetic (14)CO(2) fixation, [(14)C]glycolate formation, and the decarboxylation of [1-(14)C]glycolate and [1-(14)C]glycine by leaf mesophyll protoplasts isolated from isogenic diploid and tetraploid cultivars of ryegrass (Lolium perenne L.) were examined. The per cent O(2) inhibition of photosynthesis in protop...

journal_title：Plant physiology

authors： Rathnam CK,Chollet R

更新日期：1980-03-01 00:00:00

abstract：:A number of plants have been surveyed with respect to isolation by mild grinding in large quantities of leaf cells. The extent of recovery of mesophyll cells per unit leaf area was found to vary with plant species and the method of grinding. Greater than 70% recovery was obtained from the leaves of Canna indica L., Cr...

journal_title：Plant physiology

authors： Kulandaivelu G,Gnanam A

更新日期：1974-10-01 00:00:00

abstract：:Amyloplast envelope membranes isolated from cultured, white-wild cells of sycamore (Acer pseudoplatanus L.) have been found to contain a Mg(2+)-ATPase, ranging in specific activity from 5 to 30 nanomoles per minute per milligram protein. This ATPase hydrolyzes a broad range of nucleoside triphosphates, whereas it hydr...

journal_title：Plant physiology

authors： Harinasut P,Takabe T,Akazawa T,Tagaya M,Fukui T

更新日期：1988-09-01 00:00:00

abstract：:The photosynthetic characteristics of wild type Nicotiana sylvestris (Speg. et Comes) were compared with those of a ;starch-less' mutant NS458 that contains a defective plastid phosphoglucomutase (EC 2.1.5.1) (KR Hanson, NA McHale [1988] Plant Physiol 88: 838-844). The steady-state rate of net CO(2) assimilation (A) w...

journal_title：Plant physiology

authors： Hanson KR

更新日期：1990-07-01 00:00:00

abstract：:Changes in cytoplasmic Ca2+ concentration ([Ca2+]i) have been proposed to be involved in signal transduction pathways in response to a number of stimuli, including gravity and touch. The current hypothesis proposes that the development of gravitropic bending is correlated with a redistribution of [Ca2+]i in gravistimu...

journal_title：Plant physiology

authors： Legué V,Blancaflor E,Wymer C,Perbal G,Fantin D,Gilroy S

更新日期：1997-07-01 00:00:00

abstract：:Glyceollin isomers I, II, and III are the major pathogen-elicited secondary metabolites (i.e. phytoalexins) of soybean (Glycine max) that, collectively with other 5-deoxyisoflavonoids, provide race-specific resistance to Phytophthora sojae. The NAC-family transcription factor (TF) GmNAC42-1 is an essential regulator o...

journal_title：Plant physiology

authors： Jahan MA,Harris B,Lowery M,Infante AM,Percifield RJ,Kovinich N

更新日期：2020-06-01 00:00:00

abstract：:Transcription of genes encoding L-phenylalanine ammonia-lyase (PAL), the first enzyme of the phenylpropanoid pathway, and caffeic acid 3-O-methyltransferase (COMT) and caffeoyl CoA 3-O-methyltransferase (CCOMT), enzymes involved in the synthesis of lignin and wall-esterified phenolic compounds, was strongly activated ...

journal_title：Plant physiology

authors： Ni W,Sewalt V,Korth KL,Blount JW,Ballance GM,Dixon RA

更新日期：1996-10-01 00:00:00

abstract：:The local anesthetic dibucaine inhibited respiration-dependent contraction mediated by the K(+)/H(+) antiport system of isolated corn mitochondria. Respiration declined concurrently. Nigericin, an exogenous K(+)/H(+) exchanger, restored ion efflux in dibucaine-blocked corn mitochondria. It was concluded that dibucaine...

journal_title：Plant physiology

authors： Klein RR,Koeppe DE

更新日期：1985-04-01 00:00:00

abstract：:Heat shock, and other stresses that cause protein misfolding and aggregation, trigger the accumulation of heat shock proteins (HSPs) in virtually all organisms. Among the HSPs of higher plants, those belonging to the small HSP (sHSP) family remain the least characterized in functional terms. We analyzed the occurrence...

journal_title：Plant physiology

authors： Lopez-Matas MA,Nuñez P,Soto A,Allona I,Casado R,Collada C,Guevara MA,Aragoncillo C,Gomez L

更新日期：2004-04-01 00:00:00

abstract：:The tissue distributions of dhurrin [p-hydroxy-(S)-mandelonitrile-beta-d-glucoside] and of enzymes involved in its metabolism have been investigated in leaf blades of light-grown Sorghum bicolor seedlings. Enzymic digestion of these leaves using cellulase has enabled preparations of epidermal and mesophyll protoplasts...

journal_title：Plant physiology

authors： Kojima M,Poulton JE,Thayer SS,Conn EE

更新日期：1979-06-01 00:00:00

abstract：:Establishment of symbiosis between legumes and rhizobia requires bacterial Nod factors (NFs). The concentration of these lipochitooligosaccharides in the rhizosphere is influenced by plant enzymes. NFs induce on pea (Pisum sativum) a particular extracellular NF hydrolase that releases lipodisaccharides from NFs from S...

journal_title：Plant physiology

authors： Ovtsyna AO,Dolgikh EA,Kilanova AS,Tsyganov VE,Borisov AY,Tikhonovich IA,Staehelin C

更新日期：2005-10-01 00:00:00

abstract：:This work was undertaken in an effort to reconcile the conflicting proline-accumulating responses of the barley (Hordeum vulgare L.) cultivars, Excelsior and Proctor, reported by Singh et al. (1972) and Hanson et al. (1976). It deals with the effects of different vapor pressure deficits (VPD) during growth and subsequ...

journal_title：Plant physiology

authors： Naidu BP,Aspinall D,Paleg LG

更新日期：1992-02-01 00:00:00

abstract：:The phytochromes are one of the means via which plants obtain information about their immediate environment and the changing seasons. Phytochromes have important roles in developmental events such as the switch to flowering, the timing of which can be crucial for the reproductive success of the plant. Analysis of phyB...

journal_title：Plant physiology

authors： Halliday KJ,Whitelam GC

更新日期：2003-04-01 00:00:00

abstract：:Visible absorption spectra are presented for the Azolla caroliniana Willd.-Anabaena azollae Strass. association and the individual partners. Although absorption by the phycobiliproteins of the endophytic cyanobacterium clearly complements the absorption by the fern pigments, their contribution to the absorption spectr...

journal_title：Plant physiology

authors： Tyagi VV,Ray TB,Mayne BC,Peters GA

更新日期：1981-12-01 00:00:00

abstract：:Auxin/indole-3-acetic acid (Aux/IAA) proteins function as repressors of auxin response gene expression when auxin concentrations in a cell are low. At elevated auxin concentrations, these repressors are destroyed via the ubiquitin-proteasome pathway, resulting in derepression/activation of auxin response genes. Most A...

journal_title：Plant physiology

authors： Li H,Tiwari SB,Hagen G,Guilfoyle TJ

更新日期：2011-03-01 00:00:00

abstract：:AtATM3, an ATP-binding cassette transporter of Arabidopsis (Arabidopsis thaliana), is a mitochondrial protein involved in the biogenesis of iron-sulfur clusters and iron homeostasis in plants. Our gene expression analysis showed that AtATM3 is up-regulated in roots of plants treated with cadmium [Cd(II)] or lead (II);...

journal_title：Plant physiology

authors： Kim DY,Bovet L,Kushnir S,Noh EW,Martinoia E,Lee Y

更新日期：2006-03-01 00:00:00

abstract：:Acetate was incorporated by Chlorella pyrenoidosa into nonvolatile water-soluble compounds (amino acids, organic acids and carbohydrates) with pH optimum between 4 and 5. Incorporation into lipid was maximal at pH 7.5. The proportion of incorporated acetate in lipid was not significantly affected by acetate concentrat...

journal_title：Plant physiology

authors： Yung KH,Mudd JB

更新日期：1966-03-01 00:00:00

abstract：:The phytohormone auxin regulates virtually every aspect of plant development. The hormone directly mediates the interaction between the two members of the auxin coreceptor complex, a TRANSPORT INHIBITOR RESPONSE (TIR1)/AUXIN SIGNALING F-BOX protein and an AUXIN/INDOLE-3-ACETIC ACID (Aux/IAA) transcriptional repressor....

journal_title：Plant physiology

authors： Yu H,Moss BL,Jang SS,Prigge M,Klavins E,Nemhauser JL,Estelle M

更新日期：2013-05-01 00:00:00

abstract：:Subsequent production of amylase is severely inhibited if barban [4-chloro-2-butynyl N-(3-chlorophenyl) carbamate] is added to embryo-free half seeds of barley within 4 to 5 hours after gibberellic acid treatment of these seeds. Thirty to 50 mg/L concentrations of barban are effective. Barban inhibition is non-competi...

journal_title：Plant physiology

authors： Yung KH,Mann JD

更新日期：1967-02-01 00:00:00

abstract：:The influence of ozone on Ca(2+) transport in plant membranes from pinto bean (Phaseolus vulgaris L. var Pinto) leaves was investigated in vitro by means of a filtration method using purified vesicles. Two transport mechanisms located at the plasma membrane are involved in a response to ozone: (a) passive Ca(2+) influ...

journal_title：Plant physiology

authors： Castillo FJ,Heath RL

更新日期：1990-10-01 00:00:00

abstract：:Maize plants (Zea mays) attacked by caterpillars release a mixture of odorous compounds that attract parasitic wasps, natural enemies of the herbivores. We assessed the genetic variability of these induced volatile emissions among 31 maize inbred lines representing a broad range of genetic diversity used by breeders i...

journal_title：Plant physiology

authors： Degen T,Dillmann C,Marion-Poll F,Turlings TC

更新日期：2004-08-01 00:00:00

abstract：:Experiments in which chloroplasts were washed with tris and tricine buffers at different pH's indicated that the non-protonated (uncharged) form of tris was inhibitory to the Hill reaction while the protonated form of tris and the zwitterionic forms of tricine were non-inhibitory. Buffers analogous to tris and tricine...

journal_title：Plant physiology

authors： Yamashita T,Butler WL

更新日期：1969-03-01 00:00:00

abstract：:Glutathione reductase (EC 1.6.4.2) activity is present in spinach (Spinacia oleracea L.) chloroplasts. The pH dependence and substrate concentration for half-maximal rate are reported and a possible role in chloroplasts is proposed. ...

journal_title：Plant physiology

authors： Schaedle M

更新日期：1977-05-01 00:00:00

abstract：:Stomatal transpiration is at the center of a crisis in water availability and crop production that is expected to unfold over the next 20 to 30 years. Global water usage has increased 6-fold in the past 100 years, twice as fast as the human population, and is expected to double again before 2030, driven mainly by irri...

journal_title：Plant physiology

authors： Wang Y,Hills A,Blatt MR

更新日期：2014-04-01 00:00:00

abstract：:Some clones of Spirodela polyrrhiza form dormant bodies called turions which require several weeks of chilling treatment before they proceed to renew growth and develop into vegetative fronds. The individual fronds of Spirodela are less than 5 mm long and can be grown aseptically in liquid culture. Turion formation an...

journal_title：Plant physiology

authors： Perry TO

更新日期：1968-11-01 00:00:00

abstract：:Membrane fractions from mature silver beet (Beta vulgaris) deveined leaf and leaf stem homogenates have associated Ca(2+) -dependent protein kinase. The Ca(2+) -dependent protein kinase activity is associated with plasma membranes (density 1.14-1.18 grams per cubic centimeter) as determined from copurification on isop...

journal_title：Plant physiology

authors： Klucis E,Polya GM

更新日期：1988-09-01 00:00:00

abstract：:Mitogen-activated protein kinases (MAPKs) are fundamental components of the plant innate immune system. MPK3 and MPK6 are Arabidopsis (Arabidopsis thaliana) MAPKs activated by pathogens and elicitors such as oligogalacturonides (OGs), which function as damage-associated molecular patterns, and flg22, a well-known micr...

journal_title：Plant physiology

authors： Galletti R,Ferrari S,De Lorenzo G

更新日期：2011-10-01 00:00:00

abstract：:Protein and RNA synthesizing activities increased markedly during the mating process and decreased during the maturation stage of zygotes in heterothallic strains of Closterium peracerosum-strigosum-littoale, KAS-4-29 (mating-type minus) and KAS -4-30 (mating-type plus) and a homothallic Closterium acerosum. Different...

journal_title：Plant physiology

authors： Kato A,Sasaki K

更新日期：1985-08-01 00:00:00

abstract：:ADP-glucose pyrophosphorylase catalyzes the synthesis of ADP-glucose (ADP-Glc) from Glc-1-phosphate (G-1-P) and ATP. Kinetic studies were performed to define the nature of the reaction, both in the presence and absence of allosteric effector molecules. When 3-phosphoglycerate (3-PGA), the putative physiological activa...

journal_title：Plant physiology

authors： Boehlein SK,Shaw JR,Stewart JD,Hannah LC

更新日期：2010-02-01 00:00:00