Phloem loading in two Scrophulariaceae species. What can drive symplastic flow via plasmodesmata?

abstract：:Restoration of oxygenated conditions following 15 minutes to 2 hours of anoxia causes light-grown pea (Pisum sativum L. var. Alaska) stem segments to elongate 100 to 200% more than continuously aerated segments. This "emergent growth" response takes place in the presence of 5 mm F(-), an inhibitor of anaerobic respira...

journal_title：Plant physiology

authors： Parrish DJ,Davies PJ

更新日期：1977-04-01 00:00:00

abstract：:Circular RNAs (circRNAs) are widely distributed and play essential roles in a series of developmental processes, although none have been identified or characterized in grapevines (Vitis vinifera). In this study, we characterized the function of grape circRNA and uncovered thousands of putative back-splicing sites by g...

journal_title：Plant physiology

authors： Gao Z,Li J,Luo M,Li H,Chen Q,Wang L,Song S,Zhao L,Xu W,Zhang C,Wang S,Ma C

更新日期：2019-06-01 00:00:00

abstract：:Phycoerythrin, a photosynthetic accessory pigment, was isolated from Porphyridium cruentum and examined by electron microscopy and disc gel electrophoresis. The absorption monomer, with maxima at 563, 545, and a shoulder at 500 nm, has a molecular weight of about 300,000. With phosphotungstic acid staining it appears ...

journal_title：Plant physiology

authors： Gantt E

更新日期：1969-11-01 00:00:00

abstract：:Physalis spp. develop the "Chinese lantern" trait, also known as inflated calyx syndrome, that is a morphological novelty. Here, we identified the double-layered-lantern1 (doll1) mutant, a recessive and monofactorial mutation, in Physalis floridana; its corolla and androecium were transformed into the calyx and gynoec...

journal_title：Plant physiology

authors： Zhang JS,Li Z,Zhao J,Zhang S,Quan H,Zhao M,He C

更新日期：2014-02-01 00:00:00

abstract：:Nitric oxide (NO) regulates multiple developmental events and stress responses in plants. A major biologically active species of NO is S-nitrosoglutathione (GSNO), which is irreversibly degraded by GSNO reductase (GSNOR). The major physiological effect of NO is protein S-nitrosylation, a redox-based posttranslational ...

journal_title：Plant physiology

authors： Hu J,Huang X,Chen L,Sun X,Lu C,Zhang L,Wang Y,Zuo J

更新日期：2015-04-01 00:00:00

abstract：:SHORT-ROOT (SHR) and SCARECROW (SCR) are required for stem cell maintenance in the Arabidopsis (Arabidopsis thaliana) root meristem, ensuring its indeterminate growth. Mutation of SHR and SCR genes results in disorganization of the quiescent center and loss of stem cell activity, resulting in the cessation of root gro...

journal_title：Plant physiology

authors： Dhondt S,Coppens F,De Winter F,Swarup K,Merks RM,Inzé D,Bennett MJ,Beemster GT

更新日期：2010-11-01 00:00:00

abstract：:Injection of [(14)C]tryptophan into one seed in a soybean fruit resulted in recovery of radiolabel in a fraction that cochromatographed with indoleacetic acid (IAA) through three successive high performance liquid chromatography separations. Label was found in the putative IAA fraction in all of the fruit tissues samp...

journal_title：Plant physiology

authors： Hein MB,Brenner ML,Brun WA

更新日期：1986-10-01 00:00:00

abstract：:The Arabidopsis (Arabidopsis thaliana) orthologs of Brca2, a protein whose mutations are involved in breast cancer in humans, were previously shown to be essential at meiosis. In an attempt to better understand the Brca2-interacting properties, we examined four partners of the two isoforms of Brca2 identified in Arabi...

journal_title：Plant physiology

authors： Dray E,Siaud N,Dubois E,Doutriaux MP

更新日期：2006-03-01 00:00:00

abstract：:The anatomy of strawberry (Fragaria x ananassa) fruit, in which the achene is found on the outer part of the fruit, makes it an excellent species for studying the regulation of fruit development. It can provide a model for the cross talk between primary and secondary metabolism, whose role is of pivotal importance in ...

journal_title：Plant physiology

authors： Fait A,Hanhineva K,Beleggia R,Dai N,Rogachev I,Nikiforova VJ,Fernie AR,Aharoni A

更新日期：2008-10-01 00:00:00

abstract：:Comparisons were made between the free amino acid composition in leaf exudates and that in pure phloem sap, using twin samples taken from a single leaf of two oat (Avena sativa L.) and three barley (Hordeum vulgare L.) varieties. Leaf exudate was collected in a 5 mm EDTA-solution (pH 7.0) from cut leaf blades and phlo...

journal_title：Plant physiology

authors： Weibull J,Ronquist F,Brishammar S

更新日期：1990-01-01 00:00:00

abstract：:The changes in root system architecture (RSA) triggered by phosphate (P) deprivation were studied in Arabidopsis (Arabidopsis thaliana) plants grown for 14 d on 1 mM or 3 microM P. Two different temporal phases were observed in the response of RSA to low P. First, lateral root (LR) development was promoted between day...

journal_title：Plant physiology

authors： Nacry P,Canivenc G,Muller B,Azmi A,Van Onckelen H,Rossignol M,Doumas P

更新日期：2005-08-01 00:00:00

abstract：:This paper describes attempts to localize the site of perception of low temperatures (0-10 degrees C) during thermoinduction in Thlaspi arvense L. Reproductive development (stem elongation and flower formation) was observed when shoots were cooled to 4 degrees C for 4 weeks and then returned to 21 degrees C while main...

journal_title：Plant physiology

authors： Metzger JD

更新日期：1988-10-01 00:00:00

abstract：:A poplar hybrid, Populus tremula x Populus alba, was transformed with the bacterial genes for either glutathione reductase (GR) (gor) or glutathione synthetase (GS) (gshII). When the gor gene was targeted to the chloroplasts, leaf GR activities were up to 1000 times greater than in all other lines. In contrast, target...

journal_title：Plant physiology

authors： Foyer CH,Souriau N,Perret S,Lelandais M,Kunert KJ,Pruvost C,Jouanin L

更新日期：1995-11-01 00:00:00

abstract：:Rice grains (Oryza sativa L.) from three varieties and three pairs of lines with different protein content were collected at 4-day intervals from 4 to 32 days after flowering. The samples were analyzed for protein, free amino nitrogen, ribonucleic acid, protease activity, and ribonuclease activity. In addition, the ca...

journal_title：Plant physiology

authors： Cruz LJ,Cagampang GB,Juliano BO

更新日期：1970-11-01 00:00:00

abstract：:Organisms exhibit a diverse set of responses when exposed to low-phosphate conditions. Some of these responses are specific for phosphorus limitation, including responses that enable cells to efficiently scavenge phosphate from internal and external stores via the production of high-affinity phosphate transporters and...

journal_title：Plant physiology

authors： Chang CW,Moseley JL,Wykoff D,Grossman AR

更新日期：2005-05-01 00:00:00

abstract：:Epidemics of obesity and type 2 diabetes drive strong consumer interest in plant-based low-calorie sweeteners. Trilobatin is a sweetener found at high concentrations in the leaves of a range of crabapple (Malus) species, but not in domesticated apple (Malus × domestica) leaves, which contain trilobatin's bitter positi...

journal_title：Plant physiology

authors： Wang Y,Yauk YK,Zhao Q,Hamiaux C,Xiao Z,Gunaseelan K,Zhang L,Tomes S,López-Girona E,Cooney J,Li H,Chagné D,Ma F,Li P,Atkinson RG

更新日期：2020-10-01 00:00:00

abstract：:Pectin methylesterase (PME), polygalacturonase (PG), xylanase, cellulase, and proteinase activity were determined and related to respiration, ethylene evolution, and changes in skin color of papaya (Carica papaya L.) fruit from harvest through to the start of fruit breakdown. PME gradually increased from the start of ...

journal_title：Plant physiology

authors： Paull RE,Chen NJ

更新日期：1983-06-01 00:00:00

abstract：:The metabolism of arginine by etiolated pumpkin (Cucurbita moschata) seedlings was studied over various time and age intervals by injecting arginine-U-(14)C into the cotyledons. At most, 25% of the (14)C was transported from the cotyledon to the axis tissue and the amount of this transport decreased with increasing ag...

journal_title：Plant physiology

authors： Splittstoesser WE

更新日期：1969-03-01 00:00:00

abstract：:The regulation of cytokinin oxidase activity in callus tissues of Phaseolus vulgaris L. cv Great Northern has been examined using an assay based on the oxidation of N(6)-(Delta(2)-isopentenyl)adenine-8-(14)C (i(6) Ade-8-(14)C) to adenine. Solutions of exogenous cytokinins applied directly to the surface of the callus ...

journal_title：Plant physiology

authors： Chatfield JM,Armstrong DJ

更新日期：1986-02-01 00:00:00

abstract：:Germination of Rumex obtusifolius L. seeds is potentiated to an observable degree in 2 minutes by a single shift in temperature from 20 to 35 C. Half-maximal potentiation requires less than 32 minutes at the higher temperature. Similar sensitivities to shifts in temperature were observed for seeds of Barbarea vulgaris...

journal_title：Plant physiology

authors： Taylorson RB,Hendricks SB

更新日期：1972-02-01 00:00:00

abstract：:Leaf tissues from Xerosicyos danguyi H. Humb., a succulent member of the Cucurbitaceae, were found to possess both galactinol synthase activity and the capacity for photosynthetic production of stachyose, the phloem transport oligosaccharide common to other nonsucculent cucurbits. The amounts of stachyose isolated fro...

journal_title：Plant physiology

authors： Madore MA,Mitchell DE,Boyd CM

更新日期：1988-07-01 00:00:00

abstract：:Climate models predict widespread increases in both drought intensity and duration in the next decades. Although water deficiency is a significant determinant of plant survival, limited understanding of plant responses to extreme drought impedes forecasts of both forest and crop productivity under increasing aridity. ...

journal_title：Plant physiology

authors： Guadagno CR,Ewers BE,Speckman HN,Aston TL,Huhn BJ,DeVore SB,Ladwig JT,Strawn RN,Weinig C

更新日期：2017-09-01 00:00:00

abstract：:Hydroperoxide lyase (HPLS) activity in soybean (Glycine max) seed/seedlings, leaves, and chloroplasts of leaves required detergent solubilization for maximum in vitro activity. On a per milligram of protein basis, more HPLS activity was found in leaves, especially chloroplasts, than in seeds or seedlings. The total yi...

journal_title：Plant physiology

authors： Gardner HW,Weisleder D,Plattner RD

更新日期：1991-11-01 00:00:00

abstract：:The construction, operation, and effectiveness of an abscission measuring instrument called an abscissor is described. The device measured the force required for a spring-opposed plunger to shear abscission zone explants and was capable of automatically recording break strength data. Examples of data obtained with the...

journal_title：Plant physiology

authors： Craker LE,Abeles FB

更新日期：1969-08-01 00:00:00

abstract：:Phosphoenolpyruvate partially inhibits the accumulation of Ca(2+) in isolated mung bean (Phaseolus aureus Roxb.) mitochondria. Succinate-supported Ca(2+) uptake is twice as sensitive to phosphoenolpyruvate inhibition as is NADH- or malate/pyruvate-supported Ca(2+) uptake. Pyruvate, atractylate, and ATP, but not ITP, r...

journal_title：Plant physiology

authors： Graesser RJ

更新日期：1977-02-01 00:00:00

abstract：:Dormancy is a complex evolutionary trait that temporally prevents seed germination, thus allowing seedling growth at a favorable season. High-throughput analyses of transcriptomes have led to significant progress in understanding the molecular regulation of this process, but the role of posttranscriptional mechanisms ...

journal_title：Plant physiology

authors： Basbouss-Serhal I,Soubigou-Taconnat L,Bailly C,Leymarie J

更新日期：2015-07-01 00:00:00

abstract：:Phosphatidylcholine (PC) is a major membrane phospholipid and a precursor for major signaling molecules. Understanding its synthesis is important for improving plant growth, nutritional value, and resistance to stress. PC synthesis is complex, involving several interconnected pathways, one of which proceeds from serin...

journal_title：Plant physiology

authors： Chen W,Salari H,Taylor MC,Jost R,Berkowitz O,Barrow R,Qiu D,Branco R,Masle J

更新日期：2018-08-01 00:00:00

abstract：:Solid-state nuclear magnetic resonance relaxation experiments were used to study the rigidity and spatial proximity of polymers in sugar beet (Beta vulgaris) cell walls. Proton T1rho decay and cross-polarization patterns were consistent with the presence of rigid, crystalline cellulose microfibrils with a diameter of ...

journal_title：Plant physiology

authors： Renard CM,Jarvis MC

更新日期：1999-04-01 00:00:00

abstract：:The concentration-dependent stimulatory and inhibitory effect of N-glycans on tomato (Lycopersicon esculentum Mill.) fruit ripening was recently reported (B. Priem and K.C. Gross [1992] Plant Physiol 98: 399-401). We report here the structure of 10 free N-glycans in mature green tomatoes. N-Glycans were purified from ...

journal_title：Plant physiology

authors： Priem B,Gitti R,Bush CA,Gross KC

更新日期：1993-06-01 00:00:00

abstract：:In eukaryotes, the regulated transport of mRNAs from the nucleus to the cytosol through nuclear pore complexes represents an important step in the expression of protein-coding genes. In plants, the mechanism of nucleocytosolic mRNA transport and the factors involved are poorly understood. The Arabidopsis (Arabidopsis ...

journal_title：Plant physiology

authors： Ehrnsberger HF,Pfaff C,Hachani I,Flores-Tornero M,Sørensen BB,Längst G,Sprunck S,Grasser M,Grasser KD

更新日期：2019-04-01 00:00:00