Cold Acclimation and Freezing Tolerance (A Complex Interaction of Light and Temperature).

abstract：:[1,2-(14)C]Acetate was incorporated into the lipids of young wheat (Triticum aestivum L. cv Kharkov 22 MC) root tissue, but predominantly into sterols. [1-(14)C]Ammonium oleate was initially incorporated mainly into phosphatidylcholine (PC), and later into triglycerides (TGs). Diglycerides (DGs) contained 16% of the l...

journal_title：Plant physiology

authors： Willemot C,Labrecque J

更新日期：1982-11-01 00:00:00

abstract：:To study the role of sorbitol-6-phosphate dehydrogenase in sorbitol synthesis in leaves of Rosaceous plants, properties of the enzyme and its presence in several plants in the family was investigated. The activity of the enzyme, which catalyzes an NADP-dependent oxidation of the substrate to glucose-6-phosphate, was d...

journal_title：Plant physiology

authors： Hirai M

更新日期：1981-02-01 00:00:00

abstract：:Oilseeds are the main source of lipids used in both food and biofuels. The growing demand for vegetable oil has focused research toward increasing the amount of this valuable component in oilseed crops. Globally, soybean (Glycine max) is one of the most important oilseed crops grown, contributing about 30% of the vege...

journal_title：Plant physiology

authors： Lardizabal K,Effertz R,Levering C,Mai J,Pedroso MC,Jury T,Aasen E,Gruys K,Bennett K

更新日期：2008-09-01 00:00:00

abstract：:Treatment of grass leaves with either a purified pectin lyase of Aspergillus japonicus or a purified xylanase of Trichoderma viride could lead to the isolation of some single leaf cells. However, a mixture of pectin lyase and xylanase brought about more rapid isolation of single cells than did either of the two enzyme...

journal_title：Plant physiology

authors： Ishii S

更新日期：1984-12-01 00:00:00

abstract：:4-Hydroxyphenylpyruvate dioxygenase (4HPPD) catalyzes the formation of homogentisate (2,5-dihydroxyphenylacetate) from p-hydroxyphenylpyruvate and molecular oxygen. In plants this enzyme activity is involved in two distinct metabolic processes, the biosynthesis of prenylquinones and the catabolism of tyrosine. We repo...

journal_title：Plant physiology

authors： Garcia I,Rodgers M,Pepin R,Hsieh TF,Matringe M

更新日期：1999-04-01 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：:Microarrays measure the expression of large numbers of genes simultaneously and can be used to delve into interaction networks involving many genes at a time. However, it is often difficult to decide to what extent knowledge about the expression of genes gleaned in one model organism can be transferred to other specie...

journal_title：Plant physiology

authors： Frickey T,Benedito VA,Udvardi M,Weiller G

更新日期：2008-02-01 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：:The outermost cell layer of plants, the epidermis, and its outer (lateral) membrane domain facing the environment are continuously challenged by biotic and abiotic stresses. Therefore, the epidermis and the outer membrane domain provide important selective and protective barriers. However, only a small number of speci...

journal_title：Plant physiology

authors： Mao H,Nakamura M,Viotti C,Grebe M

更新日期：2016-12-01 00:00:00

abstract：:We compared nodule initiation in lateral roots of Pisum sativum (L.) cv Sparkle and in a low-nodulating mutant E2 (sym 5). In Sparkle, about 25% of the infections terminated in the epidermis, a similar number stopped in the cortex, and 50% resulted in the formation of a nodule meristem or an emerged nodule. The mutant...

journal_title：Plant physiology

authors： Guinel FC,Larue TA

更新日期：1991-11-01 00:00:00

abstract：:We examined the consistency of the native diploid Nicotiana attenuata (Na)'s herbivore-induced transcriptional changes in the two allotetraploid natives, Nicotiana clevelandii (Nc) and Nicotiana quadrivalvis (Nq), which are thought to be derived from hybridizations with an ancestral Na. An analysis of nuclear-encoded ...

journal_title：Plant physiology

authors： Qu N,Schittko U,Baldwin IT

更新日期：2004-05-01 00:00:00

abstract：:The water fern, Azolla caroliniana Willd., containing the symbiotic, heterocystous blue-green alga, Anabaena azollae, has been studied under various growth conditions to characterize its light-dependent production of H(2). The response of H(2) production to N(2) and C(2)H(2) and the absence of a differential effect of...

journal_title：Plant physiology

authors： Peters GA,Evans WR,Toia RE

更新日期：1976-08-01 00:00:00

abstract：:The effect of the exogenous and endogenous NO(3) (-) concentration on net uptake, influx, and efflux of NO(3) (-) and on nitrate reductase activity (NRA) in roots was studied in Phaseolus vulgaris L. cv. Witte Krombek. After exposure to NO(3) (-), an apparent induction period of about 6 hours occurred regardless of th...

journal_title：Plant physiology

authors： Breteler H,Nissen P

更新日期：1982-09-01 00:00:00

abstract：:Mg-chelatase catalyzes the first step unique to the chlorophyll branch of tetrapyrrole biosynthesis, namely the insertion of Mg into protoporphyrin IX (Proto). Mg-chelatase was assayed in intact chloroplasts from semi-green cucumber (Cucumis sativus, cv Sumter) cotyledons. In the presence of Proto and MgATP, enzyme ac...

journal_title：Plant physiology

authors： Walker CJ,Weinstein JD

更新日期：1991-04-01 00:00:00

abstract：:The Arabidopsis genome contains 14 genes encoding the serine protease DegP. Products of four of these genes are located in the chloroplast: three in the thylakoid lumen and one on the stromal side of the membrane. We expressed the gene encoding DegP1 as a His-tagged fusion protein in Escherichia coli, purified the pro...

journal_title：Plant physiology

authors： Chassin Y,Kapri-Pardes E,Sinvany G,Arad T,Adam Z

更新日期：2002-10-01 00:00:00

abstract：:The photochemistry of vesicular and detergent-solubilized preparations of plasma membrane-associated ATPase was investigated in Rosa damascena. The cholate-solubilized ATPase activity fractionated into two peaks on a Sephadex G-150 column with simple, but different ultraviolet (UV) sensitivities. The larger enzyme was...

journal_title：Plant physiology

authors： Imbrie CW,Murphy TM

更新日期：1984-03-01 00:00:00

abstract：:Phosphate in the xylem exudate of tomato (Lycopersicon esculentum) plants was 70 to 98% inorganic phosphate (Pi), 2 to 30% P-choline, and less than 1% P-ethanolamine. Upon adding (32)Pi to the nutrient, Pi in xylem exudate had the same specific activity within 4 hours. P-choline and P-ethanolamine reached the same spe...

journal_title：Plant physiology

authors： Martin BA,Tolbert NE

更新日期：1983-10-01 00:00:00

abstract：:The enzyme aldose (aldehyde) reductase was partially purified (142-fold) and characterized from Euonymus japonica leaves. The reductase, a dimer, had an average molecular weight of 67,000 as determined by gel filtration on Sephadex G-100. The enzyme was NADPH specific and reduced a broad range of substrates including ...

journal_title：Plant physiology

authors： Negm FB

更新日期：1986-04-01 00:00:00

abstract：:While the metabolic networks in developing seeds during the period of reserve accumulation have been extensively characterized, much less is known about those present during seed desiccation and subsequent germination. Here we utilized metabolite profiling, in conjunction with selective mRNA and physiological profilin...

journal_title：Plant physiology

authors： Fait A,Angelovici R,Less H,Ohad I,Urbanczyk-Wochniak E,Fernie AR,Galili G

更新日期：2006-11-01 00:00:00

abstract：:We examined the influence of aluminum and calcium (and certain other cations) on hormone transport in corn roots. When aluminum was applied unilaterally to the caps of 15 mm apical root sections the roots curved strongly away from the aluminum. When aluminum was applied unilaterally to the cap and 3H-indole-3-acetic...

journal_title：Plant physiology

authors： Hasenstein KH,Evans ML

更新日期：1988-01-01 00:00:00

abstract：:Calmodulin antagonists, trifluoperazine, chlorpromazine, calmidazolium, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), strongly inhibited the electrofusion of barley (Hordeum vulgare L. cv Moor) protoplasts with a marked increase of broken fusion products, after 60 minutes of incubation. W-5, a dechlorinate...

journal_title：Plant physiology

authors： Abe S,Takeda J

更新日期：1986-08-01 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：:Senescence occurs in a programmed manner to dismantle the vegetative tissues and redirect nutrients towards metabolic pathways supporting reproductive success. External factors can trigger the senescence program as an adaptive strategy, indicating that this terminal program is controlled at different levels. It has be...

journal_title：Plant physiology

authors： Trejo-Arellano MS,Mehdi S,de Jonge J,Dvorák Tomastíková E,Köhler C,Hennig L

更新日期：2020-02-01 00:00:00

abstract：:Chloroplast thylakoid protein phosphatase activity was measured using (32)P-labeled histone as an exogenous substrate and an assay of the (32)Pi released involving formation of a phosphomolybdate complex and organic extraction. The activity was liberated from wheat (Triticum aestivum) thylakoids by washing the membran...

journal_title：Plant physiology

authors： Sun G,Bailey D,Jones MW,Markwell J

更新日期：1989-01-01 00:00:00

abstract：:The isoenzyme pattern of chorismate mutase (EC 5.4.99.5) was examined by diethylaminoethyl-cellulose chromatography in a wide variety of plants. All plants contained a regulated form of chorismate mutase (CM-1), and most contained an additional, unregulated form (CM-2). The regulatory properties of CM-1 differed signi...

journal_title：Plant physiology

authors： Singh BK,Lonergan SG,Conn EE

更新日期：1986-07-01 00:00:00

abstract：:Sycamore (Acer pseudoplatanus L.) cell suspension cultures (strain OS) require 2,4-dichlorophenoxyacetic acid (2,4-D) in their culture medium for normal growth. If the 2,4-D is omitted, rates of cell division are dramatically reduced and cell lysis may occur. Despite this ;auxin requirement,' it has been shown by gas ...

journal_title：Plant physiology

authors： Moloney MM,Hall JF,Robinson GM,Elliott MC

更新日期：1983-04-01 00:00:00

abstract：:The seasonal development of adaxial Prunus laurocerasus leaf surfaces was studied using newly developed methods for the mechanical removal of epicuticular waxes. During epidermal cell expansion, more than 50 microg leaf(-1) of alkyl acetates accumulated within 10 d, forming an epicuticular wax film approximately 30 nm...

journal_title：Plant physiology

authors： Jetter R,Schäffer S

更新日期：2001-08-01 00:00:00

abstract：:The effects of a severe water deficit on total root (L(t)) and axial (L(x)) hydraulic conductances and on the development of the hypodermis, endodermis, and xylem were studied in sorghum (Sorghum bicolor L.). Water deficit was imposed in the upper rooting zone while the lower zones were kept moist. L(t) and L(x) were ...

journal_title：Plant physiology

authors： Cruz RT,Jordan WR,Drew MC

更新日期：1992-05-01 00:00:00

abstract：:Nitrate releases seed dormancy in Arabidopsis (Arabidopsis thaliana) Columbia accession seeds in part by reducing abscisic acid (ABA) levels. Nitrate led to lower levels of ABA in imbibed seeds when included in the germination medium (exogenous nitrate). Nitrate also reduced ABA levels in dry seeds when provided to th...

journal_title：Plant physiology

authors： Matakiadis T,Alboresi A,Jikumaru Y,Tatematsu K,Pichon O,Renou JP,Kamiya Y,Nambara E,Truong HN

更新日期：2009-02-01 00:00:00

abstract：:The endosperm of 3-day germinated seedlings of Ricinus communis was homogenized in the presence or absence of Mg(2+). When the Mg(2+) -containing homogenate was fractionated on linear, 20 to 40% sucrose gradients, the endoplasmic reticulum (ER) reached equilibrium at a density of 1.146 grams per cubic centimeter. Abse...

journal_title：Plant physiology

authors： González E

更新日期：1982-01-01 00:00:00