abstract：:Since sweetness is one of the most important qualities of many fruits, and since sugars are translocated from leaves to fruits, the present study investigates photosynthetic activity, activity of sugar metabolizing enzymes, sugar content in leaves and fruits and endogenous levels of hydrogen peroxide in leaves of melo...

journal_title：Journal of plant physiology

authors： Ozaki K,Uchida A,Takabe T,Shinagawa F,Tanaka Y,Takabe T,Hayashi T,Hattori T,Rai AK,Takabe T

更新日期：2009-04-01 00:00:00

abstract：:The effects of Fe deficiency on different metabolic processes were characterized in roots, xylem sap and leaves of tomato. The total organic acid pool increased significantly with Fe deficiency in xylem sap and leaves of tomato plants, whereas it did not change in roots. However, the composition of the pool changed wi...

journal_title：Journal of plant physiology

authors： López-Millán AF,Morales F,Gogorcena Y,Abadía A,Abadía J

更新日期：2009-03-01 00:00:00

abstract：:The goal of the present research was to obtain new insights into the mechanisms underlying drought stress resistance in plants. Specifically, we evaluated changes in the expression of genes encoding enzymes involved in isoprenoid biosynthesis, together with the levels of the corresponding metabolites (chlorophylls, ca...

journal_title：Journal of plant physiology

authors： Munné-Bosch S,Falara V,Pateraki I,López-Carbonell M,Cela J,Kanellis AK

更新日期：2009-01-30 00:00:00

abstract：:Seed germination is sensitive to glucose (Glc), nitric oxide (NO) and polyamine (PA). To elucidate whether cross-talk among Glc, NO and PAs occurs in mediation of seed germination, effects of Glc, NO and spermine on seed germination of Lotus japonicus were studied. Glc retarded seed germination in a concentration-depe...

journal_title：Journal of plant physiology

authors： Zhao MG,Liu RJ,Chen L,Tian QY,Zhang WH

更新日期：2009-01-30 00:00:00

abstract：:Hormones are included in the essential elements that control the induction of flowering. Ethylene is thought to be a strong inhibitor of flowering in short day plants (SDPs), whereas the involvement of abscisic acid (ABA) in the regulation of flowering of plants is not well understood. The dual role of ABA in the phot...

journal_title：Journal of plant physiology

authors： Wilmowicz E,Kesy J,Kopcewicz J

更新日期：2008-12-01 00:00:00

abstract：:We investigated the response of extracellular phosphatase to heat shock in heterotrophic Chenopodium rubrum L. cell cultures. Surprisingly, in contrast to the generally used acid phosphatase, an extracellular alkaline phosphatase showed the most sensitive response. This phosphatase was characterized as a marker for ce...

journal_title：Journal of plant physiology

authors： Chaidee A,Wongchai C,Pfeiffer W

更新日期：2008-11-01 00:00:00

abstract：:We investigated the effects of short-term salinity stress and spermidine application to salinized nutrient solution on polyamine metabolism and various stress defense reactions in the roots of two cucumber (Cucumis sativus L.) cultivars, Changchun mici and Jinchun No. 2. Seedlings grown in nutrient solution salinized ...

journal_title：Journal of plant physiology

authors： Duan J,Li J,Guo S,Kang Y

更新日期：2008-10-09 00:00:00

abstract：:A sand culture experiment was conducted to answer the question whether or not exogenous KNO(3) can alleviate adverse effects of salt stress in winter wheat by monitoring plant growth, K(+)/Na(+) accumulation and the activity of some antioxidant enzymes. Seeds of two wheat cultivars (CVs), DK961 (salt-tolerant) and JN1...

journal_title：Journal of plant physiology

authors： Zheng Y,Jia A,Ning T,Xu J,Li Z,Jiang G

更新日期：2008-09-29 00:00:00

abstract：:This report demonstrates that mitochondria isolated from thermogenic Arum spadices possess an ATP-sensitive potassium channel--responsible for electrical potential (DeltaPsi) collapse and mitochondrial swelling--whose characteristics are similar to those previously described in pea and wheat mitochondria. In order to ...

journal_title：Journal of plant physiology

authors： Petrussa E,Casolo V,Peresson C,Krajnáková J,Macrì F,Vianello A

更新日期：2008-09-08 00:00:00

abstract：:Super-growing roots (superroots; SR), which have been established in the legume species Lotus corniculatus, are a fast-growing root culture that allows continuous root cloning, direct somatic embryogenesis and mass regeneration of plants under entirely growth regulator-free culture conditions. These features are uniqu...

journal_title：Journal of plant physiology

authors： Tanaka H,Toyama J,Hashiguchi M,Kutsuna Y,Tsuruta S,Akashi R,Hoffmann F

更新日期：2008-08-25 00:00:00

abstract：:Mesophyll mitochondria from green leaves of the C(4) plants Zea mays (NADP-ME-type), Panicum miliaceum (NAD-ME-type) and Panicum maximum (PEP-CK-type) oxidized NADH, malate and succinate at relatively high rates with respiratory control, but glycine was not oxidized. Among the mitochondrial proteins involved in glycin...

journal_title：Journal of plant physiology

authors： Parys E,Jastrzebski H

更新日期：2008-07-07 00:00:00

abstract：:The cherry rootstock 'Colt' line was transformed with a phytochrome A rice gene with the aim of altering light perception. Three transgenic events were chosen because of a modified developmental behavior. When red enriched light was supplied horizontally to stems, the PD3 transgenic line showed an increased rate of ph...

journal_title：Journal of plant physiology

authors： Cirvilleri G,Spina S,Iacona C,Catara A,Muleo R

更新日期：2008-07-07 00:00:00

abstract：:This article reports marked modulation of the activity and regulatory properties of phosphoenolpyruvate carboxylase (PEPC) by temperature and light in leaf discs as well as leaves of Amaranthus hypochondriacus. The activity of PEPC increased by 1.7-fold at 45 degrees C over 25 degrees C. Warm temperature also stimulat...

journal_title：Journal of plant physiology

authors： Avasthi UK,Raghavendra AS

更新日期：2008-07-07 00:00:00

abstract：:We report here about the physiological and molecular responses of Populus canadensis (clone Dorskamp) to drought. The stress was applied to young rooted cuttings by PEG 6000 application over 30 days. This stress induces a decrease in predawn leaf water potential. After 10 days of stress, there was a decrease in stomat...

journal_title：Journal of plant physiology

authors： Caruso A,Chefdor F,Carpin S,Depierreux C,Delmotte FM,Kahlem G,Morabito D

更新日期：2008-06-16 00:00:00

abstract：:Fruit trees are likely to suffer from the effects of severe drought in the future; however, sound criteria for evaluating the species' ability to survive these extreme conditions are largely missing. Here, we evaluated the feasibility of using xylem cavitation resistance as a tool for screening Prunus species for drou...

journal_title：Journal of plant physiology

authors： Cochard H,Barigah ST,Kleinhentz M,Eshel A

更新日期：2008-06-16 00:00:00

abstract：:1-Deoxy-d-xylulose 5-phosphate reductoisomerase (DXR, EC: 1.1.1.267) is the second enzyme in the 2C-methyl-d-erythritol 4-phosphate (MEP) pathway, one of the two pathways in plants that can produce isoprenoids. The MEP pathway is the source of isoprene emitted from leaves, but rubber production is believed to result p...

journal_title：Journal of plant physiology

authors： Seetang-Nun Y,Sharkey TD,Suvachittanont W

更新日期：2008-06-16 00:00:00

abstract：:Cell wall polysaccharides, pectin composition, as well as apoplastic superoxide dismutase and peroxidase activities were investigated in strawberry (Fragaria x ananassa) cultivars (cvs) Korona and Elsanta differing in their ozone sensitivity. Plants were exposed to 140-170 microg m(-3) ozone either short-term for 7 da...

journal_title：Journal of plant physiology

authors： Keutgen AJ,Pawelzik E

更新日期：2008-05-26 00:00:00

abstract：:Salicylic acid (SA), ethylene (ET), and wounding are all known to influence plant defense response. Experiments attempting to determine SA's relation to ET biosynthesis and defense gene expression have shown conflicting results. To confront this, we developed an in vitro model system to investigate how SA affects ET b...

journal_title：Journal of plant physiology

authors： Harfouche AL,Rugini E,Mencarelli F,Botondi R,Muleo R

更新日期：2008-05-05 00:00:00

abstract：:Ethylene responsive transcription factors (ERFs) can be grouped into different classes with either gene activator or repressor activity. We have isolated a tomato ERF cDNA clone (LeERF3b) with sequence similarity to class II (repressor class) of the ERF family, which is regulated differently from Pti4 (a tomato ERF do...

journal_title：Journal of plant physiology

authors： Chen G,Hu Z,Grierson D

更新日期：2008-04-18 00:00:00

abstract：:Xanthomonas albilineans is the causal organism of leaf scald, a bacterial vascular disease of sugarcane. Xanthomonas may invade the parenchyma between the bundles and cause reddened pockets of gum, identified as a xanthan-like polysaccharide. Since xanthan contains glucuronic acid, the ability of Xanthomonas to produc...

journal_title：Journal of plant physiology

authors： Blanch M,Legaz ME,Vicente C

更新日期：2008-03-13 00:00:00

abstract：:In order to examine whether polyamines (PAs) modify the functioning of the scavenging system and oxidative stress levels in water-stressed plants, cucumber (Cucumis sativus L.) seedlings were treated with spermidine (Spd) prior to dehydration, and stress-evoked changes in superoxide dismutase (SOD) (EC 1.15.1.1), cata...

journal_title：Journal of plant physiology

authors： Kubiś J

更新日期：2008-03-13 00:00:00

abstract：:The Basidiomycete fungus Ustilago maydis is the common agent of corn smut and is capable of inducing gall growth on infected tissue of the C4 plant maize (Zea mays). While U. maydis is very well characterized on the genetic level, the physiological changes in the host plant in response to U. maydis infection have not ...

journal_title：Journal of plant physiology

authors： Horst RJ,Engelsdorf T,Sonnewald U,Voll LM

更新日期：2008-01-01 00:00:00

abstract：:Reflectance spectra of leaves of winter wheat, maize, sugar beet and wild vine have been measured. Chlorophyll variations induce changes in the first derivatives of the reflectance spectra. A correlation of various derivative indices such as D(725)/D(702), D(lw)/D(sw), D(lw)/D(702), D(725)/D(sw,)D(715)/D(702), D(m)/D(...

journal_title：Journal of plant physiology

authors： Kochubey SM,Kazantsev TA

更新日期：2007-12-01 00:00:00

abstract：:The application of nitrification inhibitors (NIs) together with nitrogen fertilizers in grasslands is an effective alternative to reduce nitrate leaching and nitrogenous gases emissions to the atmosphere. Nevertheless, the use of NIs increases the amount of ammonium available for the plant that, due to its reported to...

journal_title：Journal of plant physiology

authors： Belastegui-Macadam XM,Estavillo JM,García-Mina JM,González A,Bastias E,Gónzalez-Murua C

更新日期：2007-12-01 00:00:00

abstract：:We examined the effect of ethylene on the growth of rice seedlings (Oryza sativa L.) at various degrees of humidity. Ethylene significantly suppressed the growth of shoots when applied to seedlings grown under 30% relative humidity (RH), but promoted the growth of shoots when applied to seedlings grown under 100% RH. ...

journal_title：Journal of plant physiology

authors： Azuma T,Honda T,Sadai A,Sasayama D,Itoh K

更新日期：2007-12-01 00:00:00

abstract：:Oxidative stress and ultrastructural changes under hexavalent chromium stress were investigated in developing rice seedlings. Chromium treatment for 24 or 48h resulted in inhibition of root length and dry biomass. Atomic absorption spectrometry analysis of roots showed that chromium accumulation increased with increas...

journal_title：Journal of plant physiology

authors： Panda SK

更新日期：2007-11-01 00:00:00

abstract：:In prior studies we learned that colonization of soil can be as important as colonization of roots in determining mycorrhizal influence on the water relations of host plants. Here we use a path analysis modeling approach to test (a) whether quantity of hyphae in soil contributes to variations in stomatal behavior and ...

journal_title：Journal of plant physiology

authors： Augé RM,Toler HD,Moore JL,Cho K,Saxton AM

更新日期：2007-10-01 00:00:00

abstract：:Although activation of A-type cyclin-dependent kinase (CDKA) is required for plant cell division, little is known about how CDKA is activated before commitment to cell division. Here, we show that auxin is required for the formation of active CDKA-associated complexes, promoting assembly of the complex in tobacco susp...

journal_title：Journal of plant physiology

authors： Harashima H,Kato K,Shinmyo A,Sekine M

更新日期：2007-09-01 00:00:00

abstract：:Raffinose family oligosaccharides (RFOs) are almost ubiquitous in seeds and have been hypothesized to constitute an important energy source during germination. To test this hypothesis we applied a specific alpha-galactosidase inhibitor (1-deoxygalactonojirimycin, DGJ) to germinating pea seeds, resulting in a complete ...

journal_title：Journal of plant physiology

authors： Blöchl A,Peterbauer T,Richter A

更新日期：2007-08-01 00:00:00

abstract：:Nodule conductance to O2 diffusion has been involved as a major factor of the inhibition of N2 fixation by soil salinity that severely reduces the production of grain legumes. In order to determine the effect of this constraint on the nodule conductance, oxygen uptake by the nodulated roots of Cicer arietinum was meas...

journal_title：Journal of plant physiology

authors： L'taief B,Sifi B,Zaman-Allah M,Drevon JJ,Lachaâl M

更新日期：2007-08-01 00:00:00

abstract：:The differences between two maize (Zea mays L.) inbred lines and their F1 hybrids in their response to chilling periods of various duration (1, 2, 3 or 4 weeks) and subsequent return to optimum temperatures were analysed by the measurement of the photosystem (PS) 1 and 2 activity, the photosynthetic pigments' content ...

journal_title：Journal of plant physiology

authors： Holá D,Kocová M,Rothová O,Wilhelmová N,Benesová M

更新日期：2007-07-01 00:00:00

abstract：:A cold-tolerant line (NY-1) and a cold-sensitive cultivar (Jinyan 4) of cucumber (Cucumis sativus) were treated with temperatures of 28 degrees C/22 degrees C or 28 degrees C/12 degrees C (day/night) in a 10-h photoperiod. Carbohydrates and related enzymes were assayed from 0 to 4 h after the start of the dark period....

journal_title：Journal of plant physiology

authors： Miao M,Xu X,Chen X,Xue L,Cao B

更新日期：2007-05-01 00:00:00

abstract：:In open-field soilless culture there can be great deal of leaching, particularly in rainy springs. Ligneous plants have the capacity to store large quantities of nutrients in perennial organs. Knowledge of the plant's internal nutrient mobilisation during spring to supply growing organs could lead to reduction of fert...

journal_title：Journal of plant physiology

authors： Guérin V,Huché-Thélier L,Charpentier S

更新日期：2007-05-01 00:00:00

abstract：:The anthranilate synthase ASA1, CYP79B2 and CYP71B15 (PAD3) are biosynthetic genes of the Arabidopsis phytoalexin camalexin, which are induced after pathogen infection and abiotic treatments like silver nitrate spraying. The natural variation of camalexin biosynthesis in response to Pseudomonas syringae infection was ...

journal_title：Journal of plant physiology

authors： Schuhegger R,Rauhut T,Glawischnig E

更新日期：2007-05-01 00:00:00

abstract：:Molecular chaperones perform folding assistance in newly synthesized polypeptides preventing aggregation processes, recovering proteins from aggregates, among other important cellular functions. Thus their study presents great biotechnological importance. The present work discusses the mining for chaperone-related seq...

journal_title：Journal of plant physiology

authors： Borges JC,Cagliari TC,Ramos CH

更新日期：2007-04-01 00:00:00

abstract：:To investigate the involvement of cytochrome P450s in the metabolism of plants treated with xenobiotic agrochemicals, bean leaves were treated with 3,5-dichlorosalicylic acid (DC-SA), a priming agent of plant defense and 2,6-dichloroisonicotinic acid (DC-INA), a chemical inducer of systemic acquired resistance. Throug...

journal_title：Journal of plant physiology

authors： Basson AE,Dubery IA

更新日期：2007-04-01 00:00:00

abstract：:A fragment encoding a partial sequence of a prohibitin (Phb) gene was isolated. The expression of Phb mRNA and protein in seeds of wild type and mutant Arabidopsis thaliana is presented. Phb mRNA is abundant in wild-type seeds; thus, it may have sequence or structural characteristics responsible for this stability. Th...

journal_title：Journal of plant physiology

authors： De Diego JG,David Rodríguez F,Rodríguez Lorenzo JL,Cervantes E

更新日期：2007-03-01 00:00:00

abstract：:The effect of three sugars and their amino derivatives on violaxanthin cycle enzymes activity was investigated in duckweed (Lemna trisulca), a model water-plant. No effect of sugars and amino sugars on violaxanthin de-epoxidase was observed independent of incubation time; however, epoxidation of zeaxanthin to violaxan...

journal_title：Journal of plant physiology

authors： Latowski D,Banaś AK,Strzałka K,Gabryś H

更新日期：2007-03-01 00:00:00

abstract：:A study quantifying the physiological threshhold at which Spartina alterniflora plants are able to tolerate the interactive effects of salinity and soil drying was conducted in a climate controlled greenhouse. The experiment consisted of two levels of salinity (3-5 ppt, L and 35-38 ppt, H) as well as four dynamic wate...

journal_title：Journal of plant physiology

authors： Brown CE,Pezeshki SR

更新日期：2007-03-01 00:00:00

abstract：:Productivity of cereal crops is restricted in saline soils but may be improved by nitrogen nutrition. In this study, the effect of ionic nitrogen form on growth, mineral content, protein content and ammonium assimilation enzyme activities of barley (Hordeum vulgare cv. Alexis L.) irrigated with saline water, was deter...

journal_title：Journal of plant physiology

authors： Kant S,Kant P,Lips H,Barak S

更新日期：2007-03-01 00:00:00