Effects of Ammonium Nutrition on Water Stress, Water Uptake, and Root Pressure in Lycopersicon esculentum Mill.

abstract：:Hydrogen peroxide (H(2)O(2)) induces increases, to different degrees, in transcripts, protein levels, and activity of the Ndh complex (EC 1.6.5.3). In the present work, we have compared the effects of relatively excess light, H(2)O(2), dimethylthiourea (a scavenger of H(2)O(2)), and/or EGTA (a Ca(2+) chelator) on the ...

journal_title：Plant physiology

authors： Lascano HR,Casano LM,Martín M,Sabater B

更新日期：2003-05-01 00:00:00

abstract：:Structural and metabolic features of the seedcoats of the developing pea seed indicate that events in the cells of the seedcoats are of major importance in controlling the development of the embryo. Information has been obtained on the distribution of N and P constituents of the seedcoats, embryo sac liquid, and the c...

journal_title：Plant physiology

authors： Murray DR

更新日期：1979-11-01 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 influence of light on asexual fruiting and mycelial growth of Phycomyces blakesleeanus Burgeff was studied by means of fruiting body counts and size measurements in cultures on solid media under varied incubation conditions. Five types of photoresponses were shown by ATCC Strain 8743a: (a) photoinduction of giant ...

journal_title：Plant physiology

authors： Thornton RM

更新日期：1973-03-01 00:00:00

abstract：:The active transport of CO(2) in the cyanobacterium Synechococcus UTEX 625 was inhibited by H(2)S. Treatment of the cells with up to 150 micromolar H(2)S + HS(-) at pH 8.0 had little effect on Na(+)-dependent HCO(3) (-) transport or photosynthetic O(2) evolution, but CO(2) transport was inhibited by more than 90%. CO(...

journal_title：Plant physiology

authors： Espie GS,Miller AG,Canvin DT

更新日期：1989-09-01 00:00:00

abstract：:To study the effect of O(2) on the photosynthetic and glycolate pathways, maize leaves were exposed to (14)CO(2) during steady-state photosynthesis in 21 or 1% O(2). At the two O(2) concentrations after a (14)CO(2) pulse (4 seconds) followed by a (12)CO(2) chase, there was a slight difference in CO(2) uptake and in th...

journal_title：Plant physiology

authors： Morot-Gaudry JF

更新日期：1980-12-01 00:00:00

abstract：:Previous work (D.P. Delmer, J. Pear, A. Andrawis, D. Stalker [1995] Mol Gen Genet 248: 43-51) has identified a gene in cotton (Gossypium hirsutum), Rac13, that encodes a small, signal-transducing GTPase and shows high expression in the fiber at the time of transition from primary to secondary wall synthesis. Since Rac...

journal_title：Plant physiology

authors： Trainin T,Shmuel M,Delmer DP

更新日期：1996-12-01 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：:Late maturity α-amylase (LMA) is a genetic defect that is commonly found in bread wheat (Triticum aestivum) cultivars and can result in commercially unacceptably high levels of α-amylase in harvest-ripe grain in the absence of rain or preharvest sprouting. This defect represents a serious problem for wheat farmers, an...

journal_title：Plant physiology

authors： Barrero JM,Mrva K,Talbot MJ,White RG,Taylor J,Gubler F,Mares DJ

更新日期：2013-03-01 00:00:00

abstract：:Subtilisin-like proteins represent an ancient family of serine proteases that are extremely widespread in living organisms. We report here the structure and genomic organization of two new transcriptionally active genes encoding proteins that belong to the P69 family of subtilisin-like proteases from tomato (Lycopersi...

journal_title：Plant physiology

authors： Jordá L,Conejero V,Vera P

更新日期：2000-01-01 00:00:00

abstract：:Cauliflower mosaic virus (CaMV) replicated in protoplasts and in inoculated leaves of the non-host, cotton (Gossypium hirsutum, L.). Protoplasts prepared from suspension-cultured cotton cells were infected by incubation with liposome-encapsulated CaMV virions. During a 1-week culture period the amount of CaMV nucleic ...

journal_title：Plant physiology

authors： Hussain MM,Melcher U,Whittle T,Williams A,Brannan CM,Mitchell ED

更新日期：1987-03-01 00:00:00

abstract：:Vesicular-arbuscular mycorrhizal fungi are symbionts for a large variety of crop plants; however, the form in which they take up carbon from the host is not established. To trace the course of carbon metabolism, we have used nuclear magnetic resonance spectroscopy with [13C]glucose labeling in vivo and in extracts to ...

journal_title：Plant physiology

authors： Shachar-Hill Y,Pfeffer PE,Douds D,Osman SF,Doner LW,Ratcliffe RG

更新日期：1995-05-01 00:00:00

abstract：:Survival and cold hardiness declined gradually when cold-hardened Fredrick winter wheat (Triticum aestivum L.) was maintained at -6 degrees C for several weeks. Moisture content of crown and root tissue did not change significantly during this period. Uptake of O(2) and accumulation of (86)Rb by root tissue declined a...

journal_title：Plant physiology

authors： Pomeroy MK,Andrews CJ,Stanley KP,Ji-Yin-Gao

更新日期：1985-05-01 00:00:00

abstract：:Interrupting each long night with a prolonged period of far red radiant energy resulted in the inhibition of floral initiation in cocklebur. Irradiations inducing different relative levels of P(FR) from 1 to 2% to 80% had about the same effect under 4-hour photoperiods. The lower levels of P(FR) induced by continuous ...

journal_title：Plant physiology

authors： Mancinelli AL,Downs RJ

更新日期：1967-01-01 00:00:00

abstract：:In pea stem segments whose cuticle has been made permeable by abrading it, actinomycin D (ActD) and 80S ribosomal protein synthesis inhibitors such as cycloheximide (CHI) inhibit enhancement by indole 3-acetic acid (IAA) of the activity of the cell wall biosynthetic enzyme, glucan synthase I (GS). This supersedes earl...

journal_title：Plant physiology

authors： Ray PM

更新日期：1987-10-01 00:00:00

abstract：:The genome of Arabidopsis (Arabidopsis thaliana) encodes over 100 MADS-domain transcription factors, categorized into five phylogenetic subgroups. Most research efforts have focused on just one of these subgroups (MIKC(c)), whereas the other four remain largely unexplored. Here, we report on five members of the so-cal...

journal_title：Plant physiology

authors： Verelst W,Saedler H,Münster T

更新日期：2007-01-01 00:00:00

abstract：:The nature of the inorganic carbon (C(i)) species actively taken up by cyanobacteria CO(2) or HCO(3) (-) has been investigated. The kinetics of CO(2) uptake, as well as that of HCO(3) (-) uptake, indicated the involvement of a saturable process. The apparent affinity of the uptake mechanism for CO(2) was higher than t...

journal_title：Plant physiology

authors： Volokita M,Zenvirth D,Kaplan A,Reinhold L

更新日期：1984-11-01 00:00:00

abstract：:The O(2) concentration in intact and osmotically disrupted isolated spinach (Spinacia oleracea, L.) chloroplasts during photosynthesis was estimated. The chloroplasts were allowed to reduce 3-phosphoglycerate, CO(2), or ferricyanide in light until the rate of O(2) production was linear. When the light was turned off O...

journal_title：Plant physiology

authors： Steiger HM,Beck E

更新日期：1977-12-01 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：:The photometric method was used to test a possibility proposed recently that a new photoreceptor with maximum activity at 620 nm is involved in mediating chloroplast rotation in Mougeotia (Z Lechowski, J Bialczyk [1988] Plant Physiol 88: 189-193). The hypothesis was tested under conditions of continuous dichromatic un...

journal_title：Plant physiology

authors： Walczak T,Gabrỳs H,Appenroth KJ

更新日期：1990-09-01 00:00:00

abstract：:The changes in activities of glyoxysomal and peroxisomal enzymes have been correlated with the fine structure of microbodies in cotyledons of the cucumber (Cucumis sativus L.) during the transition from fat degradation to photosynthesis in light-grown plants, and in plants grown in the dark and then exposed to light. ...

journal_title：Plant physiology

authors： Trelease RN,Becker WM,Gruber PJ,Newcomb EH

更新日期：1971-10-01 00:00:00

abstract：:Pollen viability depends on dynamic vacuolar changes during pollen development involving increases and decreases of vacuolar volume through water and osmolite accumulation and vacuolar fission. Mutations in FAB1A to FAB1D, the genes encoding phosphatidylinositol 3,5-bisphosphate [PI(3,5)P2]-converting kinases, are mal...

journal_title：Plant physiology

authors： Zhang WT,Li E,Guo YK,Yu SX,Wan ZY,Ma T,Li S,Hirano T,Sato MH,Zhang Y

更新日期：2018-08-01 00:00:00

abstract：:Carbon-isotope discrimination (Delta) is used to distinguish between different photosynthetic pathways. It has also been shown that variation in Delta occurs among varieties of C(3) species, but not as yet, in C(4) species. We now report that Delta also varies among genotypes of sorghum (Sorghum bicolor Moench), a C(4...

journal_title：Plant physiology

authors： Hubick KT,Hammer GL,Farquhar GD,Wade LJ,von Caemmerer S,Henderson SA

更新日期：1990-02-01 00:00:00

abstract：:Adenosine kinase was partially purified from wheat germ. This enzyme preparation, which was devoid of adenine phosphoribosyltransferase and nearly free of adenosine deaminase but contained adenylate kinase, rapidly phosphorylated adenosine and a cytokinin, N(6)-(delta(2)-isopentenyl)adenosine. Electrophoretic analysis...

journal_title：Plant physiology

authors： Chen CM,Eckert RL

更新日期：1977-03-01 00:00:00

abstract：:A number of environmental stresses can lead to enhanced production of superoxide within plant tissues, and plants are believed to rely on the enzyme superoxide dismutase (SOD) to detoxify this reactive oxygen species. We have identified seven cDNAs and genes for SOD in Arabidopsis. These consist of three CuZnSODs (CSD...

journal_title：Plant physiology

authors： Kliebenstein DJ,Monde RA,Last RL

更新日期：1998-10-01 00:00:00

abstract：:To gain some insight into the mechanism of plant programmed cell death, certain features of cytochrome c (cyt c) release were investigated in heat-shocked tobacco (Nicotiana tabacum) Bright-Yellow 2 cells in the 2- to 6-h time range. We found that 2 h after heat shock, cyt c is released from intact mitochondria into t...

journal_title：Plant physiology

authors： Vacca RA,Valenti D,Bobba A,Merafina RS,Passarella S,Marra E

更新日期：2006-05-01 00:00:00

abstract：:We have previously identified GAMYB, a gibberellin (GA)-regulated transcriptional activator of alpha-amylase gene expression, in aleurone cells of barley (Hordeum vulgare). To examine the regulation of GAMYB expression, we describe the use of nuclear run-on experiments to show that GA causes a 2-fold increase in the r...

journal_title：Plant physiology

authors： Gubler F,Chandler PM,White RG,Llewellyn DJ,Jacobsen JV

更新日期：2002-05-01 00:00:00

abstract：:The effects of phosphorus deficiency on carbohydrate accumulation and utilization in 34-day-old soybean (Glycine max L. Merr.) plants were characterized over a diurnal cycle to evaluate the mechanisms by which phosphorus deficiency restricts plant growth. Phosphorus deficiency decreased the net CO(2) exchange rate thr...

journal_title：Plant physiology

authors： Qiu J,Israel DW

更新日期：1992-01-01 00:00:00

abstract：:The term "bound auxin" is herein used to describe auxin conjugates insoluble in organic solvents which dissolve indoleacetic acid (IAA) and its derivatives, but hydrolyzable by NaOH to release IAA. Bound auxin from pea stems was fractionated into water-soluble, water-insoluble/NaOH-hydrolyzable, and insoluble componen...

journal_title：Plant physiology

authors： Davies PJ

更新日期：1976-02-01 00:00:00

abstract：:Spraying a 16 meter tall stand of red pine (Pinus resinosa Ait.) with 10(-3)m phenylmercuric acetate in early June and again in mid-July resulted in the water use between June 1 and October 25 being reduced by almost 10%. It was demonstrated that this was caused by an increase in the leaf resistance with partial stoma...

journal_title：Plant physiology

authors： Turner NC,Waggoner PE

更新日期：1968-06-01 00:00:00