Characteristics of teratomas regenerated in vitro from octopine-type crown gall.

abstract：:Excised roots of the tomato species, Lycopersicon esculentum Mill. cv Walter (the commercial species) and of Lycopersicon cheesmanii ssp. minor (Hook.) C.H. Mull. (a wild species from the Galapagos Islands), were used in comparative studies of their absorption of K(+) and Na(+). Uptake of (86)Rb-labeled K(+) and (22)N...

journal_title：Plant physiology

authors： Wrona AF,Epstein E

更新日期：1985-12-01 00:00:00

abstract：:The activities of the free base and ribonucleoside forms of cytokinins bearing saturated and unsaturated N(6)-isoprenoid side chains have been examined in callus cultures derived from Phaseolus vulgaris cv. Great Northern, P. lunatus cv. Kingston, and the interspecific hybrid Great Northern x Kingston. In callus of cv...

journal_title：Plant physiology

authors： Mok MC,Mok DW,Dixon SC,Armstrong DJ,Shaw G

更新日期：1982-07-01 00:00:00

abstract：:Brief saturating light flashes were used to probe the mechanism of inactivation of O(2) evolution by Tris in chloroplasts. Maximum inactivation with a single flash and an oscillation with period of four on subsequent flashes was observed. Analyses of the oscillations suggested that only the charge-collecting O(2)-evol...

journal_title：Plant physiology

authors： Frasch WD,Cheniae GM

更新日期：1980-04-01 00:00:00

abstract：:Sites in maize (Zea mays L.) coleoptile homogenates that reversibly bind naphthalene-1-acetic acid with high affinity and may represent receptor sites for auxins are located primarily on cellular membranes that show the enzymic and buoyant density characteristics of membranes of the rough endoplasmic reticulum. The si...

journal_title：Plant physiology

authors： Ray PM

更新日期：1977-04-01 00:00:00

abstract：:The labeling pattern of the sugar moieties of 1-kestose after in vivo pulse labeling with (14)CO(2) was not the same as that after in vitro labeling with (14)C-sucrose. The two fructosyl residues of 1-kestose had similar specific radioactivities after in vitro synthesis, but after in vivo radiolabeling the specific ra...

journal_title：Plant physiology

authors： Kanabus J,Gibeaut DM,Carpita NC,Housley TL

更新日期：1991-05-01 00:00:00

abstract：:To increase both the yield potential and stability of crops, integrated breeding strategies are used that have mostly a direct genetic basis, but the utility of epigenetics to improve complex traits is unclear. A better understanding of the status of the epigenome and its contribution to agronomic performance would he...

journal_title：Plant physiology

authors： Verkest A,Byzova M,Martens C,Willems P,Verwulgen T,Slabbinck B,Rombaut D,Van de Velde J,Vandepoele K,Standaert E,Peeters M,Van Lijsebettens M,Van Breusegem F,De Block M

更新日期：2015-08-01 00:00:00

abstract：:The intracellular distribution of enzymes capable of catalyzing the reactions from oxaloacetate to sucrose in germinating castor bean endosperm has been studied by sucrose density gradient centrifugation. One set of glycolytic enzyme activities was detected in the plastids and another in the cytosol. The percentages o...

journal_title：Plant physiology

authors： Nishimura M,Beevers H

更新日期：1979-07-01 00:00:00

abstract：:Intact amyloplasts from potato (Solanum tuberosum L.) were used to study starch biosynthesis and phosphorylation. Assessed by the degree of intactness and by the level of cytosolic and vacuolar contamination, the best preparations were selected by searching for amyloplasts containing small starch grains. The isolated,...

journal_title：Plant physiology

authors： Wischmann B,Hamborg Nielsen T,Lindberg Moller B

更新日期：1999-02-01 00:00:00

abstract：:The petunia (Petunia [Mitchell]) chloroplast proteins, the chlorophyll a/b-binding (Cab) proteins, and the small subunit of ribulose bisphosphate carboxylase (RbcS) are encoded by nuclear genes that are expressed in a light-dependent manner. The steady-state concentrations of five cab mRNAs vary with a dramatic circad...

journal_title：Plant physiology

authors： Stayton MM,Brosio P,Dunsmuir P

更新日期：1989-03-01 00:00:00

abstract：:Increased levels of solar ultraviolet (290-320 nm) (UV-B) radiation could have profound effects on plant proteins because the aromatic amino acids in proteins absorb strongly in this spectral region. We have investigated the effects of UV-B radiation on plant proteins and have observed a novel 66-kD protein. This prod...

journal_title：Plant physiology

authors： Wilson MI,Ghosh S,Gerhardt KE,Holland N,Babu TS,Edelman M,Dumbroff EB,Greenberg BM

更新日期：1995-09-01 00:00:00

abstract：:We examined the response of primary roots of maize (Zea mays L. cv Merit) to unilateral application of calcium with particular attention to the site of application, the dependence on growth rate, and possible contributions of thigmotropic stimulation during application. Unilateral application of agar to the root cap ...

journal_title：Plant physiology

authors： Ishikawa H,Evans ML

更新日期：1992-01-01 00:00:00

abstract：:A two-dimensional gel electrophoresis system that combines a cationic polyacrylamide gel electrophoresis at pH near neutrality with sodium dodecyl sulfate-polyacrylamide gel electrophoresis was used to analyze the spectrum of basic polypeptides that accumulate in bean (Phaseolus vulgaris) abscission zones after treatm...

journal_title：Plant physiology

authors： Del Campillo E,Lewis LN

更新日期：1992-03-01 00:00:00

abstract：:The essential oils of peppermint (Mentha x piperita) and spearmint (Mentha spicata) are distinguished by the oxygenation position on the p-menthane ring of the constitutive monoterpenes that is conferred by two regiospecific cytochrome P450 limonene-3- and limonene-6-hydroxylases. Following hydroxylation of limonene, ...

journal_title：Plant physiology

authors： Ringer KL,Davis EM,Croteau R

更新日期：2005-03-01 00:00:00

abstract：:As water often limits crop production, a more complete understanding of plant water capture and transport is necessary. Here, we developed MECHA, a mathematical model that computes the flow of water across the root at the scale of walls, membranes, and plasmodesmata of individual cells, and used it to test hypotheses ...

journal_title：Plant physiology

authors： Couvreur V,Faget M,Lobet G,Javaux M,Chaumont F,Draye X

更新日期：2018-12-01 00:00:00

abstract：:The phytochrome (phy) family of sensory photoreceptors (phyA-phyE in Arabidopsis thaliana) induces changes in target-gene expression upon light-induced translocation to the nucleus, where certain members interact with selected members of the constitutively nuclear basic helix-loop-helix transcription factor family, su...

journal_title：Plant physiology

authors： Shen Y,Khanna R,Carle CM,Quail PH

更新日期：2007-11-01 00:00:00

abstract：:In climates that experience short growing seasons due to drought, heat, or end-of-season frost, early flowering is a highly desirable trait for chickpea (Cicer arietinum). In this study, we mapped, sequenced, and characterized Early flowering3 (Efl3), an ortholog of Arabidopsis (Arabidopsis thaliana) EARLY FLOWERING3 ...

journal_title：Plant physiology

authors： Ridge S,Deokar A,Lee R,Daba K,Macknight RC,Weller JL,Tar'an B

更新日期：2017-10-01 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：:Two cDNAs encoding functional carbonic anhydrase (CA) enzymes were recently isolated from a non-photosynthetic, cotyledon library of cotton (Gossypium hirsutum) seedlings with putative plastid-targeting sequences (GenBank accession nos. AF132854 and AF132855). Relative CA transcript abundance and enzyme activity incre...

journal_title：Plant physiology

authors： Hoang CV,Chapman KD

更新日期：2002-04-01 00:00:00

abstract：:The cyanobacterium Agmenellum quadruplicatum PR-6 (Synechococcus sp PCC 7002) was grown turbidostatically in white light at three levels of irradiance: 20, 200, and 1260 microeinsteins per square meter per second. Phycobilisomes were isolated from each culture and analyzed by absorbance, gel electrophoresis, and elect...

journal_title：Plant physiology

authors： de Lorimier RM,Smith RL,Stevens SE

更新日期：1992-03-01 00:00:00

abstract：:Potato MADS box 1 (POTM1) is a member of the SQUAMOSA-like family of plant MADS box genes isolated from an early stage tuber cDNA library. The RNA of POTM1 is most abundant in vegetative meristems of potato (Solanum tuberosum), accumulating specifically in the tunica and corpus layers of the meristem, the procambium, ...

journal_title：Plant physiology

authors： Rosin FM,Hart JK,Van Onckelen H,Hannapel DJ

更新日期：2003-04-01 00:00:00

abstract：:An NaCl-resistant line has been developed from suspension-cultured tobacco cells (Nicotiana tabacum/gossii) by stepwise increases in the NaCl concentration in the medium. Resistance showed stability through at least 24 generations in the absence of added NaCl.Above an external NaCl concentration of 35 millimolar, prol...

journal_title：Plant physiology

authors： Watad AE,Reinhold L,Lerner HR

更新日期：1983-11-01 00:00:00

abstract：:Microbe-associated molecular pattern-triggered immunity (MTI) is an important component of the plant innate immunity response to invading pathogens. However, most of our knowledge of MTI comes from studies of model systems with relatively little work done with crop plants. In this work, we report on variation in both ...

journal_title：Plant physiology

authors： Valdés-López O,Thibivilliers S,Qiu J,Xu WW,Nguyen TH,Libault M,Le BH,Goldberg RB,Hill CB,Hartman GL,Diers B,Stacey G

更新日期：2011-12-01 00:00:00

abstract：:Under normal field growth conditions, canola (Brassica napus) seeds produce chloroplasts during early seed development and then catabolize the photosynthetic machinery during seed maturation, producing mature seeds at harvest that are essentially free of chlorophyll (Chl). However, frost exposure early in canola seed ...

journal_title：Plant physiology

authors： Chung DW,Pruzinská A,Hörtensteiner S,Ort DR

更新日期：2006-09-01 00:00:00

abstract：:Branched-chain 2-oxo acids which are formed by transamination of leucine, isoleucine, and valine are metabolized by the peroxisomes from mung bean (Vigna radiata L.) hypocotyls. Acylcoenzyme A (CoA) thio ester intermediates of the pathways were separated by reversed-phase high performance liquid chromatography. Retent...

journal_title：Plant physiology

authors： Gerbling H,Gerhardt B

更新日期：1989-12-01 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：:The effect of varying sequences of red and far red light on sterol biosynthesis in etiolated seedlings of Digitalis purpurea L. was examined. Red light caused a marked increase in the amounts of free and glycosidic sterols and a small decrease in esterified sterols during the first 4 hours after illumination. Far red ...

journal_title：Plant physiology

authors： Jacobsohn MK

更新日期：1978-12-01 00:00:00

abstract：:We have analyzed gene regulation of the Lhc supergene family in poplar (Populus spp.) and Arabidopsis (Arabidopsis thaliana) using digital expression profiling. Multivariate analysis of the tissue-specific, environmental, and developmental Lhc expression patterns in Arabidopsis and poplar was employed to characterize ...

journal_title：Plant physiology

authors： Klimmek F,Sjödin A,Noutsos C,Leister D,Jansson S

更新日期：2006-03-01 00:00:00

abstract：:Control of folate homeostasis is essential to sustain the demand for one-carbon (C1) units that are necessary for major biological functions, including nucleotide synthesis and methylation reactions. In this study, we analyzed the genome-wide and metabolic adaptive response of Arabidopsis (Arabidopsis thaliana) cells ...

journal_title：Plant physiology

authors： Loizeau K,De Brouwer V,Gambonnet B,Yu A,Renou JP,Van Der Straeten D,Lambert WE,Rébeillé F,Ravanel S

更新日期：2008-12-01 00:00:00

abstract：:Insertional mutagenesis and gene silencing are efficient tools for the determination of gene function. In contrast to gain- or loss-of-function approaches, RNA interference (RNAi)-induced gene silencing can possibly silence multigene families and homoeologous genes in polyploids. This is of great importance for functi...

journal_title：Plant physiology

authors： Travella S,Klimm TE,Keller B

更新日期：2006-09-01 00:00:00

abstract：:Excised corn roots, Zea mays, had radioactively labeled solution applied at two points along their length, for 1 minute, and were then kept in dilute, unlabeled nutrient solution. During this "chase" period, exudate was collected at 1-minute intervals, and its content of radioions was determined. Two pulses of label a...

journal_title：Plant physiology

authors： Epstein E,Norlyn JD

更新日期：1973-10-01 00:00:00