Evidence for symplastic phloem unloading in sink leaves of barley.

abstract：:A pulse of red light acting through phytochrome accelerates the formation of chlorophyll upon subsequent transfer of dark-grown seedlings to continuous white light. Specific antibodies were used to follow the accumulation of representative subunits of the major photosynthetic complexes during greening of seedlings of ...

journal_title：Plant physiology

authors： Pauncz Y,Gepstein S,Horwitz BA

更新日期：1992-12-01 00:00:00

abstract：:Intercellular fluid (IF) obtained from tomato (Lycopersicon esculentum L.) leaflets colonized by Cladosporium fulvum Cooke contains specific elicitors that induce necrosis in tomato cultivars resistant to the race of C. fulvum used to produce the IF. The responses of cell-suspension cultures produced from tomato lines...

journal_title：Plant physiology

authors： Vera-Estrella R,Blumwald E,Higgins VJ

更新日期：1992-07-01 00:00:00

abstract：:In Pisum sativum, two classes of genes encode distinct isoforms of cytosolic glutamine synthetase (GS). The first class comprises two nearly identical or "twin" GS genes (GS341 and GS132), while the second comprises a single GS gene (GS299) distinct in both coding and noncoding regions from the "twin" GS genes. Gene-s...

journal_title：Plant physiology

authors： Walker EL,Coruzzi GM

更新日期：1989-10-01 00:00:00

abstract：:Mannan polysaccharides are widespread among plants, where they serve as structural elements in cell walls, as carbohydrate reserves, and potentially perform other important functions. Previous work has demonstrated that members of the cellulose synthase-like A (CslA) family of glycosyltransferases from Arabidopsis (Ar...

journal_title：Plant physiology

authors： Liepman AH,Nairn CJ,Willats WG,Sørensen I,Roberts AW,Keegstra K

更新日期：2007-04-01 00:00:00

abstract：:Nitrogen fixation in the legume-rhizobium symbiosis is a crucial area of research for more sustainable agriculture. Our knowledge of the plant cascade in response to the perception of bacterial Nod factors has increased in recent years. However, the discovery that Nod factors are not involved in the Aeschynomene-Brady...

journal_title：Plant physiology

authors： Fabre S,Gully D,Poitout A,Patrel D,Arrighi JF,Giraud E,Czernic P,Cartieaux F

更新日期：2015-12-01 00:00:00

abstract：:Extracts of the tendrils of Pisum sativum, Var. Alaska, exhibit adenosine triphosphatase activity which is inversely proportional to the amount the tendrils have coiled. The specific viscosity of the extract decreases when ATP is added. This evidence indicates a possible role of a contractile adenosine triphosphatase ...

journal_title：Plant physiology

authors： Jaffe MJ,Galston AW

更新日期：1967-06-01 00:00:00

abstract：:Mathematical models were developed to test the likelihood that large cytosolic adenylate concentration gradients exist across the bacteria-infected cells of legume nodules. Previous studies hypothesized that this may be the case to account for the unusually low adenylate energy charge (AEC; 0.65) measured in the plant...

journal_title：Plant physiology

authors： Wei H,Atkins CA,Layzell DB

更新日期：2004-02-01 00:00:00

abstract：:The functions of mitochondria during leaf senescence, a type of programmed cell death aimed at the massive retrieval of nutrients from the senescing organ to the rest of the plant, remain elusive. Here, combining experimental and analytical approaches, we showed that mitochondrial integrity in Arabidopsis (Arabidopsis...

journal_title：Plant physiology

authors： Chrobok D,Law SR,Brouwer B,Lindén P,Ziolkowska A,Liebsch D,Narsai R,Szal B,Moritz T,Rouhier N,Whelan J,Gardeström P,Keech O

更新日期：2016-12-01 00:00:00

abstract：:FLOWERING LOCUS C (FLC) is a key repressor of flowering in Arabidopsis (Arabidopsis thaliana) and is regulated, both positively and negatively, by posttranslational histone modifications. For example, vernalization (the promotion of flowering by cold temperatures) epigenetically silences FLC expression through repress...

journal_title：Plant physiology

authors： Yu X,Michaels SD

更新日期：2010-07-01 00:00:00

abstract：:The Arabidopsis (Arabidopsis thaliana) gene MEKK1 encodes a mitogen-activated protein kinase kinase kinase that has been implicated in the activation of the map kinases MPK3 and MPK6 in response to the flagellin elicitor peptide flg22. In this study, analysis of plants carrying T-DNA knockout alleles indicated that ME...

journal_title：Plant physiology

authors： Suarez-Rodriguez MC,Adams-Phillips L,Liu Y,Wang H,Su SH,Jester PJ,Zhang S,Bent AF,Krysan PJ

更新日期：2007-02-01 00:00:00

abstract：:DEAD-box RNA helicases (DBRHs) modulate RNA secondary structure, allowing RNA molecules to adopt the conformations required for interaction with their target proteins. RH50 is a chloroplast-located DBRH that colocalizes and is coexpressed with GUN1, a central factor in chloroplast-to-nucleus signaling. When combined w...

journal_title：Plant physiology

authors： Paieri F,Tadini L,Manavski N,Kleine T,Ferrari R,Morandini P,Pesaresi P,Meurer J,Leister D

更新日期：2018-01-01 00:00:00

abstract：:Energy dispersive x-ray analysis was used to study the composition of certain protein body components in Cucurbita maxima cotyledons. The globoid crystal was rich in phosphorus, potassium, and magnesium. This elemental composition provides further evidence that the globoid crystal in squash cotyledon protein bodies is...

journal_title：Plant physiology

authors： Lott JN

更新日期：1975-05-01 00:00:00

abstract：:Low temperature is a seasonal abiotic stress that restricts native plant ranges and crop distributions. Two types of low-temperature stress can be distinguished: chilling and freezing. Much work has been done on the mechanisms by which chilling is sensed, but relatively little is known about how plants sense freezing....

journal_title：Plant physiology

authors： Barnes AC,Benning C,Roston RL

更新日期：2016-07-01 00:00:00

abstract：:We used three-dimensional structured illumination microscopy (3D-SIM) to obtain subdiffraction ("super-resolution") images of plasmodesmata (PD) expressing a green fluorescent protein-tagged viral movement protein (MP) in tobacco (Nicotiana tabacum). In leaf parenchyma cells, we were able to resolve individual compone...

journal_title：Plant physiology

authors： Fitzgibbon J,Bell K,King E,Oparka K

更新日期：2010-08-01 00:00:00

abstract：:Thylakoids isolated from leaves of winter rye (Secale cereale L. cv Puma) grown at either 20 or 5 degrees C were extracted with the nonionic detergents Triton X-100 and octyl glucoside. Less total chlorophyll was extracted from 5 degrees C thylakoids by these detergents under all conditions, including pretreatment wit...

journal_title：Plant physiology

authors： Griffith M,Huner NP,Hayden DB

更新日期：1986-06-01 00:00:00

abstract：:In maize (Zea mays L., cv Contessa), nitrogen (NO(3) (-)) limitation resulted in a reduction in shoot growth and photosynthetic capacity and in an increase in the leaf zeaxanthin contents. Nitrogen deficiency had only a small effect on the quantum yield of CO(2) assimilation but a large effect on the light-saturated r...

journal_title：Plant physiology

authors： Khamis S,Lamaze T,Lemoine Y,Foyer C

更新日期：1990-11-01 00:00:00

abstract：:Proline content increased greatly in detached rice (Oryza sativa cv. Taichung Native 1) leaves during senescence. There was a slight but significant increase in proline level after one day of incubation, and, subsequently, proline accumulated relatively rapidly. By 4 days after excision, the level of proline had incre...

journal_title：Plant physiology

authors： Wang CY,Cheng SH,Kao CH

更新日期：1982-06-01 00:00:00

abstract：:We previously reported (A Reinero, RN Beachy 1986 Plant Mol Biol 6:291-301) that coat protein (CP) of tobacco mosaic virus (TMV) accumulates in chloroplasts of systemically infected leaves. To determine the significance of such interaction we examined electron transport rates in chloroplasts containing different level...

journal_title：Plant physiology

authors： Reinero A,Beachy RN

更新日期：1989-01-01 00:00:00

abstract：:The objective of this research was to measure the short term osmotic adjustment of Salicornia europaea L. ssp. rubra (A. Nels) Breitung when suddenly exposed to 100 millimolar NaCl. Plants were grown hydroponically, shocked with 100 millimolar NaCl added to the culture solution, and stem tips analyzed for free inorgan...

journal_title：Plant physiology

authors： McNulty IB

更新日期：1985-05-01 00:00:00

abstract：:Ion and oxygen uptake were studied on aging bean stem slices. Oxygen uptake was high immediately after slicing, decreased to a minimum at 100 minutes, and then increased again. Ion uptake per unit of O(2) uptake data suggested that metabolic energy was utilized almost exclusively for sodium transport in fresh tissue b...

journal_title：Plant physiology

authors： Floyd RA,Rains DW

更新日期：1971-05-01 00:00:00

abstract：:The chloroplastic and cytosolic forms of spinach (Spinacia oleracea cv Long Standing Bloomsdale) leaf NADH:dihydroxyacetone phosphate (DHAP) reductase were separated and partially purified. The chloroplastic form was stimulated by dithiothreitol, reduced thioredoxin, dihydrolipoic acid, 6-phosphogluconate, and phospha...

journal_title：Plant physiology

authors： Gee RW,Byerrum RU,Gerber DW,Tolbert NE

更新日期：1988-06-01 00:00:00

abstract：:Photosynthetic carbon metabolism was characterized in four photoautotrophic cell suspension cultures. There was no apparent difference between two soybean (Glycine max) and one cotton (Gossypium hirsutum) cell line which required 5% CO(2) for growth, and a unique cotton cell line that grows at ambient CO(2) (660 micro...

journal_title：Plant physiology

authors： Roeske CA,Widholm JM,Ogren WL

更新日期：1989-12-01 00:00:00

abstract：:Freezing, dehydration, and supercooling cause microtubules in mesophyll cells of spinach (Spinacia oleracea L. cv Bloomsdale) to depolymerize (ME Bartolo, JV Carter [1991] Plant Physiol 97: 175-181). The objective of this study was to gain insight into the question of whether microtubules depolymerize as a direct resp...

journal_title：Plant physiology

authors： Bartolo ME,Carter JV

更新日期：1992-08-01 00:00:00

abstract：:Euglena gracilis (1224-5/9) contains phosphoenolpyruvate carboxykinase when grown autotrophic with CO(2) in the light. Its yield is higher when an additional carbon source like glucose has been added. The enzyme is lacking in cells provided with CO(2) alone and kept in the dark, whereas highest yields result if both g...

journal_title：Plant physiology

authors： Pönsgen-Schmidt E,Schneider T,Hammer U,Betz A

更新日期：1988-02-01 00:00:00

abstract：:Air pollutants are known to cause visible leaf injury as well as impairment of photosynthetic CO(2) fixation. Here we evaluate whether the effects on photosynthesis are large enough to cause changes in the relative composition of stable carbon isotopes, delta(13)C, of plant tissue samples, and, if so, how the changes ...

journal_title：Plant physiology

authors： Martin B,Bytnerowicz A,Thorstenson YR

更新日期：1988-09-01 00:00:00

abstract：:Kinetic aspects of ethylene-mediated signal transduction leading to seedling-growth inhibition and chitinase induction in Arabidopsis were investigated by the introduction of defined mutations in components of these pathways. Dose-response analysis of wild-type responses indicated that the rate-limiting steps for seed...

journal_title：Plant physiology

authors： Chen QG,Bleecker AB

更新日期：1995-06-01 00:00:00

abstract：:The effect of temperature on respiration and kinetics of H(2)PO(4) (-) and K(+) uptake in corn roots was determined in the range of 2 to 42 C. The response of uptake to temperature, determined from Q(10) and activation energy (Ea) data, for the anion and the cation differ significantly, especially in the range of upta...

journal_title：Plant physiology

authors： Bravo-F P,Uribe EG

更新日期：1981-04-01 00:00:00

abstract：:In order to study the effects of desiccation on a photosynthetic system, light harvesting and light-induced electron transport processes were examined in pea cotyledons at various moisture levels, using in vivo fluorescence excitation spectra and fluorescence induction kinetics. Water sorption isotherms yielded thermo...

journal_title：Plant physiology

authors： Vertucci CW,Ellenson JL,Leopold AC

更新日期：1985-09-01 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：:Pollen germination, along with pollen tube growth, is an essential process for the reproduction of flowering plants. The germinating pollen with tip-growth characteristics provides an ideal model system for the study of cell growth and morphogenesis. As an essential step toward a detailed understanding of this importa...

journal_title：Plant physiology

authors： Wang Y,Zhang WZ,Song LF,Zou JJ,Su Z,Wu WH

更新日期：2008-11-01 00:00:00