Three 1-aminocyclopropane-1-carboxylate synthase genes regulated by primary and secondary pollination signals in orchid flowers.

abstract：:(13)C nuclear magnetic resonance spectroscopy of intact leaves of Kalanchoë tubiflora was used to observe Crassulacean acid metabolism in vivo. (13)C signals from C-4 of malate were observed after overnight exposure of leaves to (13)CO(2). Illumination of the labeled leaves resulted in a gradual decrease in the malate...

journal_title：Plant physiology

authors： Stidham MA,Moreland DE,Siedow JN

更新日期：1983-10-01 00:00:00

abstract：:Nitrate reductase from wheat (Triticum aestivum L. cv Bindawarra) leaves is inactivated by pretreatment with NADH, in the absence of nitrate, a 50% loss of activity occurring in 30 minutes at 25 degrees C with 10 micromolar NADH. Nitrate (50 micromolar) prevented inactivation by 10 micromolar NADH while cyanide (1 mic...

journal_title：Plant physiology

authors： Aryan AP,Batt RG,Wallace W

更新日期：1983-03-01 00:00:00

abstract：:The first compound in the series of reactions leading to the ester conjugates of indole-3-acetic acid (IAA) in kernels of Zea mays sweet corn is the acyl alkyl acetal, 1-O-indol-3-ylacetyl-beta-D-glucose (1-O-IAGlu). The enzyme catalyzing the synthesis of this compound is UDP-glucose:indol-3-ylacetate glucosyl-transf...

journal_title：Plant physiology

authors： Kowalczyk S,Bandurski RS

更新日期：1990-01-01 00:00:00

abstract：:Arabidopsis (Arabidopsis thaliana) contains approximately 100 homeobox genes, many of which have been shown to play critical roles in various developmental processes. Here we characterize the zinc finger-homeodomain (ZF-HD) subfamily of homeobox genes, consisting of 14 members in Arabidopsis. We demonstrate that the H...

journal_title：Plant physiology

authors： Tan QK,Irish VF

更新日期：2006-03-01 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：:In immature rib segments prepared from morning-glory (Ipomoea tricolor) flower buds, the major soluble metabolite formed from tracer amounts of l-methionine-U-(14)C was S-methylmethionine (SMM). In segments of senescing ribs, (14)C was progressively lost from SMM and appeared in free methionine. Immature segments cont...

journal_title：Plant physiology

authors： Hanson AD,Kende H

更新日期：1976-04-01 00:00:00

abstract：:Upon Agrobacterium tumefaciens infection of a host plant, Tumor morphology root (Tmr) a bacterial adenosine phosphate-isopentenyltransferase (IPT), creates a metabolic bypass in the plastid for direct synthesis of trans-zeatin (tZ) with 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate as the prenyl donor. To understand ...

journal_title：Plant physiology

authors： Ueda N,Kojima M,Suzuki K,Sakakibara H

更新日期：2012-07-01 00:00:00

abstract：:Reactive oxygen species (ROS) act as signal molecules for a variety of processes in plants. However, many questions about the roles of ROS in plants remain to be clarified. Here, we report the role of ROS in gibberellin (GA) and abscisic acid (ABA) signaling in barley (Hordeum vulgare) aleurone cells. The production o...

journal_title：Plant physiology

authors： Ishibashi Y,Tawaratsumida T,Kondo K,Kasa S,Sakamoto M,Aoki N,Zheng SH,Yuasa T,Iwaya-Inoue M

更新日期：2012-04-01 00:00:00

abstract：:The thylakoid membrane is a highly complex membrane system in plants and plays crucial roles in the biogenesis of the photosynthetic apparatus and plant development. However, the genetic factors involved in chloroplast development and its relationship with intracellular metabolites are largely unknown. Here, a rice (O...

journal_title：Plant physiology

authors： He Y,Shi Y,Zhang X,Xu X,Wang H,Li L,Zhang Z,Shang H,Wang Z,Wu JL

更新日期：2020-09-01 00:00:00

abstract：:Phosphatidylcholine (PC) is a major membrane phospholipid and a precursor for major signaling molecules. Understanding its synthesis is important for improving plant growth, nutritional value, and resistance to stress. PC synthesis is complex, involving several interconnected pathways, one of which proceeds from serin...

journal_title：Plant physiology

authors： Chen W,Salari H,Taylor MC,Jost R,Berkowitz O,Barrow R,Qiu D,Branco R,Masle J

更新日期：2018-08-01 00:00:00

abstract：:The peribacteroid membrane (PBM) forms the structural and functional interface between the legume plant and the rhizobia. The model legume Lotus japonicus was chosen to study the proteins present at the PBM by proteome analysis. PBM was purified from root nodules by an aqueous polymer two-phase system. Extracted prote...

journal_title：Plant physiology

authors： Wienkoop S,Saalbach G

更新日期：2003-03-01 00:00:00

abstract：:Phytoene synthase (PSY) catalyzes the highly regulated, frequently rate-limiting synthesis of the first biosynthetically formed carotene. While PSY constitutes a small gene family in most plant taxa, the Brassicaceae, including Arabidopsis (Arabidopsis thaliana), predominantly possess a single PSY gene. This monogenic...

journal_title：Plant physiology

authors： Álvarez D,Voß B,Maass D,Wüst F,Schaub P,Beyer P,Welsch R

更新日期：2016-12-01 00:00:00

abstract：:Transcription of the Arabidopsis thaliana gene encoding ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activase (RCA) is organ-specific, light-responsive, and regulated by the circadian clock. RCA is transcribed throughout the green parts of the plant, but not in roots and petals. Responses elicited by shor...

journal_title：Plant physiology

authors： Liu Z,Taub CC,McClung CR

更新日期：1996-09-01 00:00:00

abstract：:Glucose modulates plant metabolism, growth, and development. In Arabidopsis (Arabidopsis thaliana), Hexokinase1 (HXK1) is a glucose sensor that may trigger abscisic acid (ABA) synthesis and sensitivity to mediate glucose-induced inhibition of seedling development. Here, we show that the intensity of short-term respons...

journal_title：Plant physiology

authors： Matiolli CC,Tomaz JP,Duarte GT,Prado FM,Del Bem LE,Silveira AB,Gauer L,Corrêa LG,Drumond RD,Viana AJ,Di Mascio P,Meyer C,Vincentz M

更新日期：2011-10-01 00:00:00

abstract：:High performance liquid chromatography analyses revealed that glutathione (GSH) and cysteine are two of the major low molecular weight thiol compounds in maize root extracts. Treatment of maize roots to heat shock temperatures of 40 degrees C resulted in a decrease of cysteine levels and an increase of GSH levels. Pul...

journal_title：Plant physiology

authors： Nieto-Sotelo J,Ho TH

更新日期：1986-12-01 00:00:00

abstract：:Trypsin digestion of photosynthetic membranes isolated from spinach (Spinacia oleracea L.) leaves eliminates the cation stimulation of chlorophyll fluorescence. High concentrations of cations protect the fluorescence yield against trypsin digestion, and the cation specificity for this protection closely resembles that...

journal_title：Plant physiology

authors： Jennings RC,Forti G,Gerola PD,Garlaschi FM

更新日期：1978-12-01 00:00:00

abstract：:We screened a total of 1365 pea (Pisum sativum) lines for response to inoculation with Agrobacterium tumefaciens, strain B6, and characterized resistance in one cultivar, Sweet Snap. Sweet Snap seedlings were highly resistant to tumorigenesis under most conditions. Resistance was overcome at inoculum concentrations of...

journal_title：Plant physiology

authors： Robbs SL,Hawes MC,Lin HJ,Pueppke SG,Smith LY

更新日期：1991-01-01 00:00:00

abstract：:Flaveria bidentis (L.) Kuntze, a C4 dicot, was genetically transformed with a construct encoding the mature form of tobacco (Nicotiana tabacum L.) carbonic anhydrase (CA) under the control of a strong constitutive promoter. Expression of the tobacco CA was detected in transformant whole-leaf and bundle-sheath cell (bs...

journal_title：Plant physiology

authors： Ludwig M,von Caemmerer S,Dean Price G,Badger MR,Furbank RT

更新日期：1998-07-01 00:00:00

abstract：:Purified glutamine synthetase from pea seedlings was most active with Mg(2+) as the metal activator, but Mn(2+) and Co(2+) were 45 to 60% and 30 to 45% as effective, respectively, when assayed at the optimal pH for each cation. The Mg(2+) saturation curve was quite sigmoid, and evidence indicates that MgATP is the act...

journal_title：Plant physiology

authors： O'neal D,Joy KW

更新日期：1974-11-01 00:00:00

abstract：:1-Deoxy-D-xylulose 5-phosphate reductoisomerase (DXR) catalyzes the first committed step of the 2-C-methyl-D-erythritol 4-phosphate pathway for isoprenoid biosynthesis. In Arabidopsis, DXR is encoded by a single-copy gene. We have cloned a full-length cDNA corresponding to this gene. A comparative analysis of all plan...

journal_title：Plant physiology

authors： Carretero-Paulet L,Ahumada I,Cunillera N,Rodríguez-Concepción M,Ferrer A,Boronat A,Campos N

更新日期：2002-08-01 00:00:00

abstract：:Amino acids and amino acid analogs have been used in numerous genetic screens to isolate mutants deficient in amino acid biosynthetic pathways or in the regulation of amino acid metabolism. Several of these mutants exhibit relaxed feedback control of branched amino acid biosynthetic pathways and are thus resistant to ...

journal_title：Plant physiology

authors： Voll LM,Allaire EE,Fiene G,Weber AP

更新日期：2004-10-01 00:00:00

abstract：:Endo-[beta]-mannanase is hypothesized to be a rate-limiting enzyme in endosperm weakening, which is a prerequisite for radicle emergence from tomato (Lycopersicon esculentum Mill.) seeds. Using a sensitive, single-seed assay, we have measured mannanase activity diffusing from excised tomato endosperm caps following tr...

journal_title：Plant physiology

authors： Still DW,Bradford KJ

更新日期：1997-01-01 00:00:00

abstract：:Glycine decarboxylase (GDC) plays an important role in the photorespiratory metabolism of plants. GDC is composed of four subunits (P, H, L, and T) with the P-subunit (GLDP) serving as the actual decarboxylating unit. In C(3) plants, GDC can be found in all photosynthetic cells, whereas in leaves of C(3)-C(4) intermed...

journal_title：Plant physiology

authors： Engelmann S,Wiludda C,Burscheidt J,Gowik U,Schlue U,Koczor M,Streubel M,Cossu R,Bauwe H,Westhoff P

更新日期：2008-04-01 00:00:00

abstract：:This study concerns the selective absorption of K and Rb or of K and Na by intact sugar beet (Beta vulgaris) plants from modified conventional nutrient solutions over an extended period of plant growth. Long term results agreed with those of short term experiments by other investigators using excised root systems and ...

journal_title：Plant physiology

authors： El-Sheikh AM,Broyer TC,Ulrich A

更新日期：1971-05-01 00:00:00

abstract：:Aluminum-activated malate transporters (ALMTs) form an important family of anion channels involved in fundamental physiological processes in plants. Because of their importance, the role of ALMTs in plant physiology is studied extensively. In contrast, the structural basis of their functional properties is largely unk...

journal_title：Plant physiology

authors： Zhang J,Baetz U,Krügel U,Martinoia E,De Angeli A

更新日期：2013-10-01 00:00:00

abstract：:Experiments were designed to test whether variation in percent lysine in seed proteins could be recovered in plants regenerated from callus subjected to inhibitory levels of lysine plus threonine. Anther-derived callus was subjected to 1 millimolar lysine plus threonine for three successive passages and then once to t...

journal_title：Plant physiology

authors： Schaeffer GW,Sharpe FT

更新日期：1987-06-01 00:00:00

abstract：:Cellulose is the most abundant biopolymer in the world, the main load-bearing element in plant cell walls, and represents a major sink for carbon fixed during photosynthesis. Previous work has shown that photosynthetic activity is partially regulated by carbohydrate sinks. However, the coordination of cellulose biosyn...

journal_title：Plant physiology

authors： Wormit A,Butt SM,Chairam I,McKenna JF,Nunes-Nesi A,Kjaer L,O'Donnelly K,Fernie AR,Woscholski R,Barter MC,Hamann T

更新日期：2012-05-01 00:00:00

abstract：:Expressed sequence tags (ESTs) currently encompass more entries in the public databases than any other form of sequence data. Thus, EST data sets provide a vast resource for gene identification and expression profiling. We have mapped the complete set of 176,915 publicly available Arabidopsis EST sequences onto the Ar...

journal_title：Plant physiology

authors： Zhu W,Schlueter SD,Brendel V

更新日期：2003-06-01 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：:Low conductance to CO2 of bundle sheath cells is required in C4 photosynthesis to maintain high [CO2] at the site of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco). Elevated [CO2] allows high CO2 assimilation rates by this enzyme and prevents Rubisco oxygenase activity and O2 inhibition of carboxylation. Bu...

journal_title：Plant physiology

authors： Brown RH,Byrd GT

更新日期：1993-12-01 00:00:00