Photosynthetic Enhancement in the Diatom Phaeodactylum tricornutum.

abstract：:Net photosynthesis, growth, and ultraviolet (UV) radiation absorbance were determined for the first leaf of Cucurbita pepo L. exposed to two levels of UV-B irradiation and a UV-B radiation-free control treatment. Absorbance by extracted flavonoid pigments and other UV-B radiation-absorbing compounds from the first lea...

journal_title：Plant physiology

authors： Sisson WB

更新日期：1981-01-01 00:00:00

abstract：:Inoculation of soybean (Glycine max) plants with Phakopsora pachyrhizi, the causal organism of Asian soybean rust, elicits a biphasic response characterized by a burst of differential gene expression in the first 12 h. A quiescent period occurs from 24 to 48 h after inoculation, in which P. pachyrhizi continues to dev...

journal_title：Plant physiology

authors： Schneider KT,van de Mortel M,Bancroft TJ,Braun E,Nettleton D,Nelson RT,Frederick RD,Baum TJ,Graham MA,Whitham SA

更新日期：2011-09-01 00:00:00

abstract：:In plants, bZIP (basic leucine zipper) transcription factors regulate diverse processes such as development and stress responses. However, few of these transcription factors have been functionally characterized in maize (Zea mays). In this study, we characterized the bZIP transcription factor gene ZmbZIP4 from maize. ...

journal_title：Plant physiology

authors： Ma H,Liu C,Li Z,Ran Q,Xie G,Wang B,Fang S,Chu J,Zhang J

更新日期：2018-10-01 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：:Polyamine (PA) titers and biosynthesis follow a basipetal decrease along the tobacco (Nicotiana tabacum) plant axis, and they also correlate negatively with cell size. On the contrary, the titers of arginine (Arg), ornithine (Orn), and arginase activity increase with age. The free (soluble)/total-PA ratios gradually i...

journal_title：Plant physiology

authors： Paschalidis KA,Roubelakis-Angelakis KA

更新日期：2005-05-01 00:00:00

abstract：:Although sessile in nature, plants are able to use a number of mechanisms to modify their morphology in response to changing environmental conditions. Differential growth is one such mechanism. Despite its importance in plant development, little is known about the molecular events regulating the establishment of diffe...

journal_title：Plant physiology

authors： Stowe-Evans EL,Harper RM,Motchoulski AV,Liscum E

更新日期：1998-12-01 00:00:00

abstract：:Plant reproduction depends on the concerted activation of many genes to ensure correct communication between pollen and pistil. Here, we queried the whole transcriptome of Arabidopsis (Arabidopsis thaliana) in order to identify genes with specific reproductive functions. We used the Affymetrix ATH1 whole genome array ...

journal_title：Plant physiology

authors： Boavida LC,Borges F,Becker JD,Feijó JA

更新日期：2011-04-01 00:00:00

abstract：:In Rhodella violacea phycoerythrin (PE) has two transcripts, a premessenger and a mature messenger (the gene contains an intron). Phycocyanin, which is plastid-encoded, and the 33-kD PE rod linker polypeptide, which is nuclear-encoded, have only one transcript. The PE premessenger had a rapid turnover; mature transcri...

journal_title：Plant physiology

authors： Lichtlé C,Garnier F,Bernard C,Zabulon G,Spilar A,Thomas JC,Etienne AL

更新日期：1996-11-01 00:00:00

abstract：:Flowering depends upon long-distance transport to supply water for reproductive mechanisms to function. Previous physiological studies suggested that flowers operated uncoupled from stem xylem transport and received water primarily from the phloem. We demonstrate that the water balance of Southern magnolia (Magnolia g...

journal_title：Plant physiology

authors： Feild TS,Chatelet DS,Brodribb TJ

更新日期：2009-07-01 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：:Treatment of tobacco (Nicotiana tabacum) cell-suspension cultures with cryptogein, an elicitin protein from Phytophthora cryptogea, resulted in the release of a factor(s) that diffused through a 1000-D cutoff dialysis membrane and was capable of inducing sesquiterpene cyclase enzyme activity (a key phytoalexin biosynt...

journal_title：Plant physiology

authors： Chappell J,Levine A,Tenhaken R,Lusso M,Lamb C

更新日期：1997-02-01 00:00:00

abstract：:Photoconvertible fluorescent proteins (FPs) are recent additions to the biologists' toolbox for understanding the living cell. Like green fluorescent protein (GFP), monomeric EosFP is bright green in color but is efficiently photoconverted into a red fluorescent form using a mild violet-blue excitation. Here, we repor...

journal_title：Plant physiology

authors： Mathur J,Radhamony R,Sinclair AM,Donoso A,Dunn N,Roach E,Radford D,Mohaghegh PS,Logan DC,Kokolic K,Mathur N

更新日期：2010-12-01 00:00:00

abstract：:The incorporation of [(14)C]phenylalanine and [1,6-(14)C]shikimic acid into tyrosine was investigated in the callus of Portulaca grandiflora, var. JR (L.). By inhibiting phenylalanine with 1-alpha-aminooxy-beta-phenyl-propionic acid and tyrosinase with 1-cysteine-HCl and hydrazine-hydrate, the possible synthesis of ty...

journal_title：Plant physiology

authors： Endress R

更新日期：1981-08-01 00:00:00

abstract：:Substantial errors can be introduced to estimates of leaf resistance (r(l)) obtained from diffusion porometers unless precautions are taken to reduce the leaf-cup temperature difference (T(leaf) - T(cup)) to acceptable levels prior to measurement. When T(leaf) > T(cup), underestimation of leaf resistance occurs; the r...

journal_title：Plant physiology

authors： Morrow PA,Slatyer RO

更新日期：1971-04-01 00:00:00

abstract：:The flow of sap in Populus tremuloides was studied by the thermoelectric method immediately prior to and at several periods of time after radical girdling. Similarly, the flow of sap in Betula papyrifera was studied before and after girdling or injection with metabolic inhibitors or a filtrate of a culture of Ceratocy...

journal_title：Plant physiology

authors： Kurtzman RH

更新日期：1966-04-01 00:00:00

abstract：:Greenhouse and field studies examined the effect of flower or seedhead removal on leaf senescence and associated changes in sunflower (Helianthus annuus L.) plants. At intervals during seed development, selected leaves (leaves 6 through 8 from the top in the greenhouse and leaf 7 from the top in the field) were harves...

journal_title：Plant physiology

authors： Ho I,Below FE,Hageman RH

更新日期：1987-04-01 00:00:00

abstract：:The BEL1-like family of transcription factors is ubiquitous in plants and plays important roles in regulating development. They function in tandem with KNOTTED1 types to bind to a double TTGAC motif in the upstream sequence of target genes. StBEL5 of potato (Solanum tuberosum) functions as a mobile RNA signal that is ...

journal_title：Plant physiology

authors： Sharma P,Lin T,Hannapel DJ

更新日期：2016-01-01 00:00:00

abstract：:Chronic exposure of hybrid poplar (Populus deltoides x trichocarpa) plants to low concentrations of ozone had negative impact upon net photosynthetic capacity, dark respiration, and leaf chlorophyll contents. Exposure to as much as 0.20 microliters per liter O(3) had no immediate effect on net photosynthesis (P(n)), b...

journal_title：Plant physiology

authors： Reich PB

更新日期：1983-10-01 00:00:00

abstract：:Recent structure-function analysis of heterologously expressed K+-selective inward-rectifying channels (KIRCs) from plants has revealed that external protons can have opposite effects on different members of the same gene family. An important question is how the diverse response of KIRCs to apoplastic pH is reflected ...

journal_title：Plant physiology

authors： Amtmann A,Jelitto TC,Sanders D

更新日期：1999-05-01 00:00:00

abstract：:In this study the interplay of mitochondria and peroxisomes in photorespiration was simulated in a reconstituted system of isolated mitochondria and peroxisomes from spinach (Spinacia oleracea L.) leaves. The mitochondria oxidizing glycine produced serine, which was reduced in the peroxisomes to glycerate. The require...

journal_title：Plant physiology

authors： Raghavendra AS,Reumann S,Heldt HW

更新日期：1998-04-01 00:00:00

abstract：:The essential oils of peppermint (Mentha x piperita) and spearmint (Mentha spicata) are distinguished by the oxygenation position on the p-menthane ring of the constitutive monoterpenes that is conferred by two regiospecific cytochrome P450 limonene-3- and limonene-6-hydroxylases. Following hydroxylation of limonene, ...

journal_title：Plant physiology

authors： Ringer KL,Davis EM,Croteau R

更新日期：2005-03-01 00:00:00

abstract：:The Golgi apparatus consists of stacked cisternae filled with enzymes that facilitate the sequential and highly controlled modification of glycans from proteins that transit through the organelle. Although the glycan processing pathways have been extensively studied, the underlying mechanisms that concentrate Golgi-re...

journal_title：Plant physiology

authors： Schoberer J,Liebminger E,Vavra U,Veit C,Grünwald-Gruber C,Altmann F,Botchway SW,Strasser R

更新日期：2019-06-01 00:00:00

abstract：:Kinematic analysis has provided important insights into the biology of growth by revealing the distribution of expansion within growing organs. Modern methods of kinematic analysis have made use of new image-tracking algorithms and computer-assisted evaluation, but these methods have yet to be adapted for examination ...

journal_title：Plant physiology

authors： Basu P,Pal A,Lynch JP,Brown KM

更新日期：2007-10-01 00:00:00

abstract：:In contrast to angiosperms, pines and other gymnosperms form well-developed suspensors in somatic embryogenic cultures. This creates a useful system to study suspensor biology. In a study of gene expression during the early stages of conifer embryogenesis, we identified a transcript, PtNIP1;1, that is abundant in imma...

journal_title：Plant physiology

authors： Ciavatta VT,Morillon R,Pullman GS,Chrispeels MJ,Cairney J

更新日期：2001-12-01 00:00:00

abstract：:Glyoxysomes isolated from castor bean (Ricinus communis L. var. zanzibariensis) endosperm have been stained by the cytochemical diaminobenzidine reaction. The reaction product obtained by preincubation with 3,3'-diaminobenzidine and incubation with the reagent and H(2)O(2) is distributed uniformly throughout the matri...

journal_title：Plant physiology

authors： Bieglmayer C,Ruis H

更新日期：1974-02-01 00:00:00

abstract：:Senescence is a phase of leaf ontogeny marked by declining photosynthetic activity that, in soybean (Glycine max [L.] Merr.), is paralleled by a decline in chloroplast function. Soybean leaves have different patterns of decline in photosynthetic capacity and chloroplast function associated with nodal position and sink...

journal_title：Plant physiology

authors： Jiang CZ,Rodermel SR,Shibles RM

更新日期：1993-01-01 00:00:00

abstract：:Short-term ion uptake into roots of Limnobium stoloniferum was followed extracellularly with ion selective macroelectrodes. Cytosolic or vacuolar pH, together with the electrical membrane potential, was recorded with microelectrodes both located in the same young root hair. At the onset of chloride, phosphate, and nit...

journal_title：Plant physiology

authors： Ullrich CI,Novacky AJ

更新日期：1990-12-01 00:00:00

abstract：:An enzyme activity, found for the first time in plants, mainly located in the 22,000g supernatant of the crude extract of sprout apices of Helianthus tuberosus L. cv OB1 tubers, is able in vitro to covalently bind polyamines to endogenous substrates of different molecular weights. The major assay parameters, such as p...

journal_title：Plant physiology

authors： Serafini-Fracassini D,Del Duca S,D'Orazi D

更新日期：1988-07-01 00:00:00

abstract：:Tyrosine decarboxylase (TYDC) is a common plant enzyme involved in the biosynthesis of numerous secondary metabolites, including hydroxycinnamic acid amides. Although a definite function has not yet been determined, amides have been proposed to form a physical barrier against pathogens because they are usually found a...

journal_title：Plant physiology

authors： Facchini PJ,Yu M,Penzes-Yost C

更新日期：1999-07-01 00:00:00

abstract：:It has recently been reported that plasmalemma electron transport may be involved in the generation of H(+) gradients and the uptake of ions into root tissue. We report here on the influence of extracellular NADH and ferricyanide on K(+) ((86)Rb(+)) influx, K(+) ((86)Rb(+)) efflux, net apparent H(+) efflux, and O(2) c...

journal_title：Plant physiology

authors： Kochian LV,Lucas WJ

更新日期：1985-02-01 00:00:00