Sucrose synthase is associated with the cell wall of tobacco pollen tubes.

abstract：:We understand few details about how the arrangement and interactions of cell wall polymers produce the mechanical properties of primary cell walls. Consequently, we cannot quantitatively assess if proposed wall structures are mechanically reasonable or assess the effectiveness of proposed mechanisms to change mechanic...

journal_title：Plant physiology

authors： Kha H,Tuble SC,Kalyanasundaram S,Williamson RE

更新日期：2010-02-01 00:00:00

abstract：:We investigated the function of cell wall hydroxyproline-rich glycoproteins by observing the effects of a selective inhibitor of prolyl hydroxylase, 3,4-dehydro-L-proline (Dhp), on wall regeneration by Nicotiana tabacum mesophyll cell protoplasts. Protoplasts treated with micromolar concentrations of Dhp do not develo...

journal_title：Plant physiology

authors： Cooper JB,Heuser JE,Varner JE

更新日期：1994-02-01 00:00:00

abstract：:Photosynthetic fixation of (14)CO(2) in the bean Phaseolus vulgaris, cv. Pencil Pod Black Wax, resulted in the appearance of labeled compounds that were characterized as phosphoserine and phosphohydroxypyruvate by chromatographic separation and by the synthesis of chemical derivatives. In (14)CO(2)/(12)CO(2) pulse-cha...

journal_title：Plant physiology

authors： Daley LS,Bidwell RG

更新日期：1977-07-01 00:00:00

abstract：:We have identified a wall hydrolytic enzyme from Trichoderma reesei with potent ability to induce extension of heat-inactivated type I cell walls. It is a small (23-kD) endo-1,4-beta-glucanase (Cel12A) belonging to glycoside hydrolase family 12. Extension of heat-inactivated walls from cucumber (Cucumis sativus cv Bur...

journal_title：Plant physiology

authors： Yuan S,Wu Y,Cosgrove DJ

更新日期：2001-09-01 00:00:00

abstract：:The temperature response of net CO(2) assimilation rate (A), the rate of whole-chain electron transport, the activity and activation state of Rubisco, and the pool sizes of ribulose-1,5-bisphosphate (RuBP) and 3-phosphoglyceric acid (PGA) were assessed in sweet potato (Ipomoea batatas) grown under greenhouse condition...

journal_title：Plant physiology

authors： Cen YP,Sage RF

更新日期：2005-10-01 00:00:00

abstract：:Photosynthetic activity and organization of chlorophyll(Chl)-protein complexes in a temperature sensitive mutant of Chlorella pyrenoidosa have been investigated. The mutant is practically indistinguishable from wild type cells when grown at 25 C. However, mutant cells grown at 33 C do not synthesize Chl and lose their...

journal_title：Plant physiology

authors： Lavintman N,Galling G,Ohad I

更新日期：1981-12-01 00:00:00

abstract：:Changes in the properties of extractable vacuolar H+-pumping pyrophosphatase (V-PPase) and vacuolar ATPase activities in chilling-sensitive seedlings of mung bean (Vigna radiata) were investigated. Following chilling at 4[deg]C for 48 h, both hydrolytic and proton-pumping activities of the V-PPase increased 1.5- to 2-...

journal_title：Plant physiology

authors： Darley CP,Davies JM,Sanders D

更新日期：1995-10-01 00:00:00

abstract：:Arbuscular mycorrhiza (AM) is a mutual symbiosis that involves a complex symbiotic interface over which nutrients are exchanged between the plant host and the AM fungus. Dozens of genes in the host are required for the establishment and functioning of the interaction, among them nutrient transporters that mediate the ...

journal_title：Plant physiology

authors： Rich MK,Schorderet M,Bapaume L,Falquet L,Morel P,Vandenbussche M,Reinhardt D

更新日期：2015-07-01 00:00:00

abstract：:Sensitive differential scanning calorimetry was employed to investigate thylakoid membrane structure. Calorimetric scans of chloroplast membranes suspended in a low ionic strength Hepesbuffered medium revealed endothermic transitions centered at the following temperatures ( degrees C): A (42.5), B (60.6), C(1) (64.9),...

journal_title：Plant physiology

authors： Smith KA,Low PS

更新日期：1989-06-01 00:00:00

abstract：:We examined the response of leaves of 3-week-old maize (Zea mays L.) to short-term (5 h) fumigation with O3-enriched air (0, 0.12, 0.24, or 0.36 [mu]L/L). Older leaves and leaf tissue developed more severe visible damage at higher external O3 concentrations. To investigate the immediate effect of O3 exposure on the ac...

journal_title：Plant physiology

authors： Pino ME,Mudd JB,Bailey-Serres J

更新日期：1995-06-01 00:00:00

abstract：:Trehalose, an alpha,alpha-diglucoside, induced a rapid blackening and death of shoot tips of Cuscuta reflexa (dodder) cultured in vitro. The onset of toxic symptom was delayed if any of the several sugars which support the in vitro growth of Cuscuta was supplied with trehalose. The rate of trehalose uptake or its accu...

journal_title：Plant physiology

authors： Veluthambi K,Mahadevan S,Maheshwari R

更新日期：1982-06-01 00:00:00

abstract：:Kinetin is shown to increase substantially the water permeability of liposomes composed of several types of phosphatidylcholines including the natural phospholipids egg lecithin and asolectin and the synthetic phospholipids dimyristoylphosphatidylcholine and dipalmitoylphosphatidylcholine. Kinetin effects were measure...

journal_title：Plant physiology

authors： Stillwell W,Hester P

更新日期：1983-03-01 00:00:00

abstract：:Ca-mediated processes are known to be involved in transducing many developmental, hormonal, and environmental cues in plant cells. In this study, the role of Ca in the perception of anoxic stress signals by maize (Zea mays L. cv B73) roots was assessed by studying the effect of various Ca antagonists on the induction ...

journal_title：Plant physiology

authors： Subbaiah CC,Zhang J,Sachs MM

更新日期：1994-05-01 00:00:00

abstract：:Several cell wall-bound glycosidases present in Avena sativa coleoptiles were assayed by following the hydrolysis of p-nitrophenyl-glycosides. Particular emphasis was placed on characterizing some parameters affecting the activity of beta-galactosidase. The pH optimum of this enzyme is 4.5 to 5.5; it is sensitive to c...

journal_title：Plant physiology

authors： Johnson KD,Daniels D,Dowler MJ,Rayle DL

更新日期：1974-02-01 00:00:00

abstract：:Dual-conditional positive/negative selection markers are versatile genetic tools for manipulating genomes. Plastid genomes are relatively small and conserved DNA molecules that can be manipulated precisely by homologous recombination. High-yield expression of recombinant products and maternal inheritance of plastid-en...

journal_title：Plant physiology

authors： Gisby MF,Mudd EA,Day A

更新日期：2012-12-01 00:00:00

abstract：:A method for testing the purity of isolated vacuoles is proposed. Preparations of isolated vacuoles often contain "impure vacuoles," namely, vacuoles contaminated with some cytoplasmic remnants. Such impure vacuoles are stained by the vital fluorescent dye fluorescein-diacetate. Vacuoles enclosed only by the tonoplast...

journal_title：Plant physiology

authors： Admon A,Jacoby B

更新日期：1980-01-01 00:00:00

abstract：:For an efficient defense response against pathogens, plants must coordinate rapid genetic reprogramming to produce an incompatible interaction. Nitrate Trasnporter2 (NRT2) gene family members are sentinels of nitrate availability. In this study, we present an additional role for NRT2.1 linked to plant resistance again...

journal_title：Plant physiology

authors： Camañes G,Pastor V,Cerezo M,García-Andrade J,Vicedo B,García-Agustín P,Flors V

更新日期：2012-02-01 00:00:00

abstract：:Dark treatment of 25-day-old greenhouse-grown plants of inoculated soybean (Glycine max var. Chippewa) for 1 day reduced ATP by 70%, sucrose by 60%, total adenosine phosphates by 60%, ATP/ADP ratio by 55%, nitrogenase activity by 50%, and energy charge by 15% in nodules. The close correlation between nitrogenase activ...

journal_title：Plant physiology

authors： Ching TM,Hedtke S,Russell SA,Evans HJ

更新日期：1975-04-01 00:00:00

abstract：:The levels of free and ester-linked indole-3-acetic acid (IAA) in different parts of the maize root were measured using gas chromatography-mass spectrometry (selected ion monitoring). In roots of 2-day-old plants, the distribution of free and ester IAA differed both along the root and between stele and cortex. The lev...

journal_title：Plant physiology

authors： Saugy M,Pilet PE

更新日期：1987-09-01 00:00:00

abstract：:Phototrophic organisms exhibit a highly dynamic proteome, adapting their biomass composition in response to diurnal light/dark cycles and nutrient availability. Here, we used experimentally determined biomass compositions over the course of growth to determine and constrain the biomass objective function (BOF) in a ge...

journal_title：Plant physiology

authors： Zuñiga C,Levering J,Antoniewicz MR,Guarnieri MT,Betenbaugh MJ,Zengler K

更新日期：2018-01-01 00:00:00

abstract：:The surface tension (γ) of xylem sap plays a key role in stabilizing air-water interfaces at the pits between water- and gas-filled conduits to avoid air seeding at low water potentials. We studied seasonal changes in xylem sap γ in Picea abies and Pinus mugo growing at the alpine timberline. We analyzed their vulnera...

journal_title：Plant physiology

authors： Losso A,Beikircher B,Dämon B,Kikuta S,Schmid P,Mayr S

更新日期：2017-11-01 00:00:00

abstract：:Mutant strain 1073 of Lemna perpusilla is concluded to be blocked between plastoquinone and cytochrome f in the photosynthetic electron transport system. The location of the block is based on the following observations of activities in chloroplasts isolated from the mutant and wild-type plants. (a) Relative to wild ty...

journal_title：Plant physiology

authors： Shahak Y,Posner HB,Avron M

更新日期：1976-04-01 00:00:00

abstract：:Data are presented which demonstrate a citrate cleavage enzyme in the supernatant of a developing soybean (Glycine max L. Merr., var. Harosoy 63) cotyledon homogenate following a 126,000g spin for 2 hours. Activity of the enzyme was observed directly in the supernatant enzyme preparation and in a desalted supernatant ...

journal_title：Plant physiology

authors： Nelson DR,Rinne RW

更新日期：1975-01-01 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：:We present here a vector system to obtain homozygous marker-free transgenic plants without the need of extra handling and within the same time frame as compared to transformation methods in which the marker is not removed. By introducing a germline-specific auto-excision vector containing a cre recombinase gene under ...

journal_title：Plant physiology

authors： Verweire D,Verleyen K,De Buck S,Claeys M,Angenon G

更新日期：2007-12-01 00:00:00

abstract：:The ricinine content of etiolated seedlings of Ricinus communis increased nearly 12-fold over a 4-day period. In plants quinolinic acid is an intermediate in the de novo pathway for the synthesis of pyridine nucleotides. The only known enzyme in the de novo pathway for pyridine nucleotide biosynthesis, quinolinic acid...

journal_title：Plant physiology

authors： Mann DF,Byerrum RU

更新日期：1974-04-01 00:00:00

abstract：:Treatment of bean (Phaseolus vulgaris L.) seedlings with low levels of salinity (50 or 100 millimolar NaCl) decreased the rate of light-induced leaf cell expansion in the primary leaves over a 3 day period. This decrease could be due to a reduction in one or both of the primary cellular growth parameters: wall exten...

journal_title：Plant physiology

authors： Neumann PM,Van Volkenburgh E,Cleland RE

更新日期：1988-01-01 00:00:00

abstract：:Plants sense and integrate a variety of signals from the environment through different interacting signal transduction pathways that involve hormones and signaling molecules. Using ALTERNATIVE OXIDASE1a (AOX1a) gene expression as a model system of retrograde or stress signaling between mitochondria and the nucleus, MY...

journal_title：Plant physiology

authors： Zhang X,Ivanova A,Vandepoele K,Radomiljac J,Van de Velde J,Berkowitz O,Willems P,Xu Y,Ng S,Van Aken O,Duncan O,Zhang B,Storme V,Chan KX,Vaneechoutte D,Pogson BJ,Van Breusegem F,Whelan J,De Clercq I

更新日期：2017-03-01 00:00:00

abstract：:Peroxisomes are small organelles that house many oxidative reactions. Peroxisome proliferation is induced under multiple stress conditions, including salt stress; however, factors regulating this process are not well defined. We have identified a role for Arabidopsis (Arabidopsis thaliana) MAP KINASE17 (MPK17) in affe...

journal_title：Plant physiology

authors： Frick EM,Strader LC

更新日期：2018-01-01 00:00:00

abstract：:Eukaryotic Δ6-desaturases are microsomal enzymes that balance the synthesis of ω-3 and ω-6 C18-polyunsaturated fatty acids (C18-PUFAs) according to their specificity. In several microalgae, including Ostreococcus tauri, plastidic C18-PUFAs are strictly regulated by environmental cues suggesting an autonomous control o...

journal_title：Plant physiology

authors： Degraeve-Guilbault C,Gomez RE,Lemoigne C,Pankansem N,Morin S,Tuphile K,Joubès J,Jouhet J,Gronnier J,Suzuki I,Coulon D,Domergue F,Corellou F

更新日期：2020-09-01 00:00:00