Morphogenesis in Selaginella: II. Auxin Transport in the Root (Rhizophore).

abstract：:Hybrids have been made between species of Flaveria exhibiting varying levels of C(4) photosynthesis. The degree of C(4) photosynthesis expressed in four interspecific hybrids (Flaveria trinervia [C(4)] x F. linearis [C(3)-C(4)], F. brownii [C(4)-like] x F. linearis, and two three-species hybrids from F. trinervia x [F...

journal_title：Plant physiology

authors： Brown RH,Byrd GT,Black CC

更新日期：1992-10-01 00:00:00

abstract：:Wood of trees is formed from carbon assimilated in the photosynthetic tissues. Determining the temporal dynamics of carbon assimilation, subsequent transport into developing wood, and incorporation to cell walls would further our understanding of wood formation in particular and tree growth in general. To investigate ...

journal_title：Plant physiology

authors： Mahboubi A,Linden P,Hedenström M,Moritz T,Niittylä T

更新日期：2015-06-01 00:00:00

abstract：:By using immunofluorescence microscopy, we observed rapidly altered distribution patterns of cell wall pectins in meristematic cells of maize (Zea mays) and wheat (Triticum aestivum) root apices. This response was shown for homogalacturonan pectins characterized by a low level (up to 40%) of methylesterification and f...

journal_title：Plant physiology

authors： Yu Q,Hlavacka A,Matoh T,Volkmann D,Menzel D,Goldbach HE,Baluska F

更新日期：2002-09-01 00:00:00

abstract：:The localization of plasma membrane H(+)-ATPase has been studied at the optical microscope level utilizing frozen and paraffin sections of Avena sativa and Pisum sativum, specific anti-ATPase polyclonal antibody, and second antibody coupled to alkaline phosphatase. In leaves and stems the ATPase is concentrated at the...

journal_title：Plant physiology

authors： Parets-Soler A,Pardo JM,Serrano R

更新日期：1990-08-01 00:00:00

abstract：:The use of only the upper part of the hypocotyl and the cotyledons in the Amaranthus tricolor bioassay for cytokinins, instead of the whole seedling, was found to reduce the endogenous response and give a higher benzyladenine-dependent response. There is no marked difference in the uptake or metabolism of benzyladenin...

journal_title：Plant physiology

authors： Elliott DC

更新日期：1979-02-01 00:00:00

abstract：:The level of three major polypeptides of 65, 60, and 14 kD increased in response to chilling unit accumulation in floral buds of a woody perennial, blueberry (Vaccinium, section Cynaococcus). The level of the polypeptides increased most dramatically within 300 h of chilling and decreased to the prechilling level with ...

journal_title：Plant physiology

authors： Muthalif MM,Rowland LJ

更新日期：1994-04-01 00:00:00

abstract：:The pollen-pistil interactions that result in the stimulation of ethylene production and petal senescence in carnation (Dianthus caryophyllus L.) flowers were investigated. Pollination of White Sim flowers with Starlight pollen elicited an increase in ethylene production by styles, leading to increased petal ethylene ...

journal_title：Plant physiology

authors： Larsen PB,Ashworth EN,Jones ML,Woodson WR

更新日期：1995-08-01 00:00:00

abstract：:Nitrogen accumulation in the apical spikelets on the primary branches of the main stem of rice plants have been studied during the ripening process (0-35 d after flowering). The level of NADH-dependent glutamate synthase (GOGAT) protein and activity increased 4- and 6-fold, respectively, in the first 15 d after flower...

journal_title：Plant physiology

authors： Hayakawa T,Yamaya T,Mae T,Ojima K

更新日期：1993-04-01 00:00:00

abstract：:In air largely freed from CO(2), senescence of isolated oat (Avena sativa cv Victory) seedling leaves is no longer prevented by white light; instead, the leaves lose both chlorophyll and protein as rapidly as in the dark. Senescence in light is also accelerated in pure O(2), but it is greatly delayed in N(2); 100% N(2...

journal_title：Plant physiology

authors： Satler SO,Thimann KV

更新日期：1983-01-01 00:00:00

abstract：:Nucleotide metabolism in potato (Solanum tuberosum) mitochondria was studied using 31P-nuclear magnetic resonance spectroscopy and the O2 electrode. Immediately following the addition of ADP, ATP synthesis exceeded the rate of oxidative phosphorylation, fueled by succinate oxidation, due to mitochondrial adenylate kin...

journal_title：Plant physiology

authors： Roberts J,Aubert S,Gout E,Bligny R,Douce R

更新日期：1997-01-01 00:00:00

abstract：:In guard cells, membrane hyperpolarization in response to a blue light (BL) stimulus is achieved by the activation of a plasma membrane H(+)-ATPase. Using the patch clamp technique on broad bean (Vicia faba) guard cells we demonstrate that both steady-state- and BL-induced pump currents require ATP and are blocked by ...

journal_title：Plant physiology

authors： Taylor AR,Assmann SM

更新日期：2001-01-01 00:00:00

abstract：:Potato (Solanum tuberosum L. cv Saturna) plants were grown in pots with varying supplies of K fertilizer (1.25, 5, and 10 grams K(2)O per 12 kilograms soil). Four weeks after midflower, plants were supplied with (14)CO(2) for 12 hours and osmotic and water potential in tubers were determined. Assimilation of (14)CO(2)...

journal_title：Plant physiology

authors： Beringer H,Haeder HE,Lindhauer M

更新日期：1983-12-01 00:00:00

abstract：:The mode of abscisic acid (ABA) uptake was studied in excised leaf and root tissue discs of sugar beet (Beta vulgaris L.). Discs were incubated in buffered medium that contained 1 mm CaCl(2) and [(14)C]ABA. The sensitivity of ABA uptake to metabolic inhibitors and temperature indicated that the ABA transport system ha...

journal_title：Plant physiology

authors： Daie J,Wyse R

更新日期：1983-06-01 00:00:00

abstract：:Compatible and incompatible pollen tubes growing on detached Lilium longiflorum pistils which had been prelabeled with myoinositol-U-(14)C take up a portion of the label and utilize it for biosynthesis of tube wall substance. The label is transferred from pistil to pollen tubes apparently via the secretion products (e...

journal_title：Plant physiology

authors： Kroh M,Miki-Hirosige H,Rosen W,Loewus F

更新日期：1970-01-01 00:00:00

abstract：:Seeds with physiological dormancy usually experience primary and secondary dormancy in the nature; however, little is known about the differential regulation of primary and secondary dormancy. We combined multiple approaches to investigate cytological changes, hormonal levels, and gene expression dynamics in Cunningha...

journal_title：Plant physiology

authors： Cao D,Xu H,Zhao Y,Deng X,Liu Y,Soppe WJ,Lin J

更新日期：2016-12-01 00:00:00

abstract：:The DELLA protein REPRESSOR OF ga1-3-LIKE2 (RGL2) plays an important role in seed germination under different conditions through a number of transcription factors. However, the functions of the structural genes associated with RGL2-regulated germination are less defined. Here, we report the role of an Arabidopsis (Ara...

journal_title：Plant physiology

authors： Zhong C,Xu H,Ye S,Wang S,Li L,Zhang S,Wang X

更新日期：2015-11-01 00:00:00

abstract：:Plants of Pisum sativum L. ;Alsweet' were grown under a controlled environment and exposed to SO(2) and O(3) to determine whether changes in stomatal aperture during exposure were related to subsequent leaf injury. Stomata consistently closed with injurious levels of SO(2) and O(3). Measurements with diffusion poromet...

journal_title：Plant physiology

authors： Olszyk DM,Tibbitts TW

更新日期：1981-03-01 00:00:00

abstract：:Roots of taro (Colocasia esculenta [L.] Schott cvs Bun-long and Lehua maoli) exuded increasing concentrations of oxalate with increasing Al stress. This exudation was a specific response to excess Al and not to P deficiency. Addition of oxalate to Al-containing solutions ameliorated the toxic effect of Al. ...

journal_title：Plant physiology

authors： Ma Z,Miyasaka SC

更新日期：1998-11-01 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：:Fruit ripening and abscission are associated with an ethylene burst in several melon (Cucumis melo) genotypes. In cantaloupe as in other climacteric fruit, exogenous ethylene can prematurely induce abscission, ethylene production, and ripening. Melon genotypes without fruit abscission or without ethylene burst also ex...

journal_title：Plant physiology

authors： Périn C,Gomez-Jimenez M,Hagen L,Dogimont C,Pech JC,Latché A,Pitrat M,Lelièvre JM

更新日期：2002-05-01 00:00:00

abstract：:Aspen (Populus tremuloides Michx.) leaf extracts contain a newly discovered enzyme activity that catalyzes the magnesium ion-dependent elimination of diphosphate from dimethylallyl diphosphate with rearrangement to form isoprene (2-methyl, 1-3-butadiene). This isoprene synthase activity has been partially purified. Th...

journal_title：Plant physiology

authors： Silver GM,Fall R

更新日期：1991-12-01 00:00:00

abstract：:Enhanced disease susceptibility1 (EDS1) and phytoalexin deficient4 (PAD4) are well-known regulators of both basal and resistance (R) protein-mediated plant defense. We identified two EDS1-like (GmEDS1a/GmEDS1b) proteins and one PAD4-like (GmPAD4) protein that are required for resistance signaling in soybean (Glycine m...

journal_title：Plant physiology

authors： Wang J,Shine MB,Gao QM,Navarre D,Jiang W,Liu C,Chen Q,Hu G,Kachroo A

更新日期：2014-07-01 00:00:00

abstract：:Plants have evolved different but interconnected strategies to defend themselves against herbivorous insects and microbial pathogens. We used an Arabidopsis/Pseudomonas syringae pathosystem to investigate the impact of pathogen-induced defense responses on cabbage looper (Trichoplusia ni) larval feeding. Arabidopsis m...

journal_title：Plant physiology

authors： Cui J,Jander G,Racki LR,Kim PD,Pierce NE,Ausubel FM

更新日期：2002-06-01 00:00:00

abstract：:Decomposition of 2-chloroethylphosphonic acid (Ethephon) was studied in dried films at various water vapor pressures (0.6 to 86.9 millimeters Hg, 3.2 to 93.9% relative humidity) and temperatures (20, 30, 40, and 50 C) at pH 6.3 and 7.0. The rate of decomposition could be determined equally well by [(14)C]Ethephon or e...

journal_title：Plant physiology

authors： Klein I,Lavee S,Ben-Tal Y

更新日期：1979-03-01 00:00:00

abstract：:It has been suggested that jasmonic acid (JA) could be an integral part of a general signal transduction system regulating inducible defense genes in plants. It was reported that treatment with an elicitor (N-acetylchitoheptaose) induced production of phytoalexin in suspension-cultured rice (Oryza sativa L.) cells. In...

journal_title：Plant physiology

authors： Nojiri H,Sugimori M,Yamane H,Nishimura Y,Yamada A,Shibuya N,Kodama O,Murofushi N,Omori T

更新日期：1996-02-01 00:00:00

abstract：:Orcinol O-methyltransferase (OOMT) 1 and 2 catalyze the last two steps of the biosynthetic pathway leading to the phenolic methyl ether 3,5-dimethoxytoluene (DMT), the major scent compound of many rose (Rosa x hybrida) varieties. Modern roses are descended from both European and Chinese species, the latter being produ...

journal_title：Plant physiology

authors： Scalliet G,Lionnet C,Le Bechec M,Dutron L,Magnard JL,Baudino S,Bergougnoux V,Jullien F,Chambrier P,Vergne P,Dumas C,Cock JM,Hugueney P

更新日期：2006-01-01 00:00:00

abstract：:Apparent large size-classes of zein-synthesizing polysomes from developing kernels of Zea mays L. were converted to smaller polysomes after treatment with Protease K. The reduction in polysome size was not a result of ribonuclease activity, inasmuch as the enzyme did not affect the free polysomes or the size of the mR...

journal_title：Plant physiology

authors： Larkins BA,Tsai CY

更新日期：1977-10-01 00:00:00

abstract：:Oat (Avena sativa L.) seeds harvested at 2-day intervals from anthesis to maturity were tested for their ability to incorporate [(35)S]sulfate into protein. Incorporation of [(35)S]sulfate into TCA-insoluble material began 2 to 4 days postanthesis (DPA), reached a peak 14 to 16 DPA, and was barely detectable by 24 DPA...

journal_title：Plant physiology

authors： Luthe DS

更新日期：1987-06-01 00:00:00

abstract：:Four putative apyrase genes were identified from the model legume Medicago truncatula. Two of the genes identified from M. truncatula (Mtapy1 and Mtapy4) are expressed in roots and are inducible within 3 h after inoculation with Sinorhizobium meliloti. The level of mRNA expression of the other two putative apyrases, M...

journal_title：Plant physiology

authors： Cohn JR,Uhm T,Ramu S,Nam YW,Kim DJ,Penmetsa RV,Wood TC,Denny RL,Young ND,Cook DR,Stacey G

更新日期：2001-04-01 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