The role of PENNYWISE and POUND-FOOLISH in the maintenance of the shoot apical meristem in Arabidopsis.

abstract：:The mineral nutrient requirements of Pinus taeda cells were explored using quantitative cell culture growth measurements. An appraisal was thereby made of the critical features of a novel and successful medium which was developed specifically for this gymnosperm using chemical composition data for developing seeds, an...

journal_title：Plant physiology

authors： Teasdale RD,Dawson PA,Woolhouse HW

更新日期：1986-12-01 00:00:00

abstract：:In this study, we develop a mechanistic understanding of how temperature affects growth and photosynthesis in 10 geographically and physiologically diverse strains of Synechococcus spp. We found that Synechococcus spp. are able to regulate photochemistry over a range of temperatures by using state transitions and alte...

journal_title：Plant physiology

authors： Mackey KR,Paytan A,Caldeira K,Grossman AR,Moran D,McIlvin M,Saito MA

更新日期：2013-10-01 00:00:00

abstract：:The diffusion efficiency of oxygen in the atmosphere, like that of CO2, is approximately 104 times greater than that in aqueous environments. Consequently, terrestrial photosynthetic organisms need mechanisms to protect against potential oxidative damage. The liverwort Marchantia polymorpha, a basal land plant, has ha...

journal_title：Plant physiology

authors： Shimakawa G,Ishizaki K,Tsukamoto S,Tanaka M,Sejima T,Miyake C

更新日期：2017-03-01 00:00:00

abstract：:A number of early nodulin genes are expressed in specific cell types as pea (Pisum sativum) root nodules develop. The Pisum sativum early nodulin PsENOD2 is detected only in the uninfected cells of the nodule parenchyma, whereas PsENOD12 is expressed at two spatially removed sites: in root hairs and adjacent cortical ...

journal_title：Plant physiology

authors： Scheres B,McKhann HI,Zalensky A,Löbler M,Bisseling T,Hirsch AM

更新日期：1992-12-01 00:00:00

abstract：:Mesophyll cells from leaves of cowpea (Vigna unquiculata [L.] Walp.) plants grown under saline conditions were isolated and used for the determination of photosynthetic CO(2) fixation. Maximal CO(2) fixation rate was obtained when the osmotic potential of both cell isolation and CO(2) fixation assay media were close t...

journal_title：Plant physiology

authors： Plaut Z,Grieve CM,Federman E

更新日期：1989-10-01 00:00:00

abstract：:Mitogen-activated protein kinases (MAPKs) are fundamental components of the plant innate immune system. MPK3 and MPK6 are Arabidopsis (Arabidopsis thaliana) MAPKs activated by pathogens and elicitors such as oligogalacturonides (OGs), which function as damage-associated molecular patterns, and flg22, a well-known micr...

journal_title：Plant physiology

authors： Galletti R,Ferrari S,De Lorenzo G

更新日期：2011-10-01 00:00:00

abstract：:In Zea mays L., addition of glucose to the induction medium has no effect on the induction of nitrate reductase during the initial 3 hours either in root tips (0-10 mm) or mature root sections (25-35 mm). With longer times, higher levels of enzyme activity are recovered from both root segments when glucose is present ...

journal_title：Plant physiology

authors： Aslam M,Oaks A

更新日期：1975-11-01 00:00:00

abstract：:The Type II mutants of the cyanobacterium Synechococcus PCC7942 (G.D. Price, M.R. Badger [1989] Plant Physiol 91: 514-525) are able to accumulate a large pool of inorganic carbon inside the cell, but are unable to utilize it for CO(2) fixation, resulting in a high CO(2)-requiring phenotype. We have isolated a 3.5-kb B...

journal_title：Plant physiology

authors： Yu JW,Price GD,Song L,Badger MR

更新日期：1992-10-01 00:00:00

abstract：:The temperature response of net CO(2) assimilation rate (A), the rate of whole-chain electron transport, the activity and activation state of Rubisco, and the pool sizes of ribulose-1,5-bisphosphate (RuBP) and 3-phosphoglyceric acid (PGA) were assessed in sweet potato (Ipomoea batatas) grown under greenhouse condition...

journal_title：Plant physiology

authors： Cen YP,Sage RF

更新日期：2005-10-01 00:00:00

abstract：:Changes in cytoplasmic Ca2+ concentration ([Ca2+]i) have been proposed to be involved in signal transduction pathways in response to a number of stimuli, including gravity and touch. The current hypothesis proposes that the development of gravitropic bending is correlated with a redistribution of [Ca2+]i in gravistimu...

journal_title：Plant physiology

authors： Legué V,Blancaflor E,Wymer C,Perbal G,Fantin D,Gilroy S

更新日期：1997-07-01 00:00:00

abstract：:Salinity-induced alterations in tomato (Lypersicon esculentum Mill. cv Heinz 1350) root plasma membrane properties were studied and characterized using a membrane vesicle system. Equivalent rates of MgATP-dependent H(+)-transport activity were measured by quinacrine fluorescence (DeltapH) in plasma membrane vesicles i...

journal_title：Plant physiology

authors： Suhayda CG,Giannini JL,Briskin DP,Shannon MC

更新日期：1990-06-01 00:00:00

abstract：:Rubisco catalyzes the fixation of CO2 into organic compounds that are used for plant growth and the production of agricultural products, and specific sugar-phosphate derivatives bind tightly to the active sites of Rubisco, locking the enzyme in a catalytically inactive conformation. 2-carboxy-d-arabinitol-1-phosphate ...

journal_title：Plant physiology

authors： Lobo AKM,Orr DJ,Gutierrez MO,Andralojc PJ,Sparks C,Parry MAJ,Carmo-Silva E

更新日期：2019-10-01 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：:Genetic evidence in Arabidopsis (Arabidopsis thaliana) suggests that the auxin precursor indole-3-butyric acid (IBA) is converted into active indole-3-acetic acid (IAA) by peroxisomal beta-oxidation; however, direct evidence that Arabidopsis converts IBA to IAA is lacking, and the role of IBA-derived IAA is not well u...

journal_title：Plant physiology

authors： Strader LC,Culler AH,Cohen JD,Bartel B

更新日期：2010-08-01 00:00:00

abstract：:Rhythmic fluctuation in the basipetal movement of auxin occurs in corn (Zea mays) coleoptiles oriented either in the vertical or in the horizontal position. This periodicity of transport rate varies from region to region in a horizontal coleoptile. Between an upper and lower half coleoptile (with respect to gravity), ...

journal_title：Plant physiology

authors： Shen-Miller J

更新日期：1973-08-01 00:00:00

abstract：:The inhibitory activities of amatoxins on the growth of Chlamydomonas reinhardtii have been determined using a convenient assay based upon incubation in multiwell tissue culture plates followed by turbidimetric estimates of growth on a multiwell plate reader. Values for the inhibitory dosage at which growth is 50% of ...

journal_title：Plant physiology

authors： Dusek DM,Preston JF

更新日期：1988-05-01 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：:Logarithmic growth rates (either fresh or dry weight basis) of tobacco callus tissues grown on 10(-4) to 10(-1) mum cytokinin are increased if gibberellic acid (10(-3)-2 mum) is incorporated into the medium. At higher (1-10 mum) cytokinin concentrations gibberellic acid has little effect on growth rate but extends the...

journal_title：Plant physiology

authors： Helgeson JP,Upper CD

更新日期：1970-07-01 00:00:00

abstract：:Partially purified aminoacyl synthetase preparations from pea roots (Pisum sativum L. var. Alaska) contain a heat-labile factor which can degrade leucyl-tRNA(6) (leu) to a new species. The singular electrophoretic and chromatographic mobilities, the isoprenoid nucleoside content, and the charging characteristics of th...

journal_title：Plant physiology

authors： Babcock DF,Morris RO

更新日期：1973-09-01 00:00:00

abstract：:Superoxide dismutase was purified from pea (Pisum sativum L., cv. Wando) seeds and corn (Zea mays L., cv. Michigan 500) seedlings. The purified pea enzyme eluting as a single peak from gel exclusion chromatography columns contained the three electrophoretically distinct bands of superoxide dismutase characterizing the...

journal_title：Plant physiology

authors： Giannopolitis CN,Ries SK

更新日期：1977-02-01 00:00:00

abstract：:New cells are produced from the meristematic tissues located at the shoot and root tip throughout the life of higher plants. To investigate the genetic mechanism regulating meristematic activity, we isolated and characterized four single-gene, recessive mutants in Arabidopsis thaliana called root meristemless (rml). C...

journal_title：Plant physiology

authors： Cheng JC,Seeley KA,Sung ZR

更新日期：1995-02-01 00:00:00

abstract：:Sperm cells have been isolated from pollen tubes growing in style segments of the dicotlyledon Rhododendron macgregoriae and the monocotyledon Gladiolus gandavensis by the in vivo/in vitro method at various stages of fertilization. Pollen tubes emerged from the cut end of the style into agar medium, and more than 95% ...

journal_title：Plant physiology

authors： Shivanna KR,Xu H,Taylor P,Knox RB

更新日期：1988-07-01 00:00:00

abstract：:Aluminum (Al) and proton (H⁺) tolerances are essential traits for plants to adapt to acid soil environments. In Arabidopsis (Arabidopsis thaliana), these tolerances are mediated by a zinc-finger transcription factor, SENSITIVE TO PROTON RHIZOTOXICITY1 (AtSTOP1), which regulates the transcription of multiple genes crit...

journal_title：Plant physiology

authors： Ohyama Y,Ito H,Kobayashi Y,Ikka T,Morita A,Kobayashi M,Imaizumi R,Aoki T,Komatsu K,Sakata Y,Iuchi S,Koyama H

更新日期：2013-08-01 00:00:00

abstract：:First leaves and flag leaves of the wheat species Triticum aestivum cv Anza (6x), T. boeoticum Boiss (2x) L. were examined for content of pyruvate, orthophosphate dikinase (PPDK), phosphoenolpyruvate carboxylase (PEPC), and ribulose 1,5-bisphosphate carboxylase (RuBPC) by protein blot analyses using antibodies to maiz...

journal_title：Plant physiology

authors： Aoyagi K,Bassham JA

更新日期：1986-09-01 00:00:00

abstract：:In flowering plants, the two sperm cells are embedded within the cytoplasm of the growing pollen tube and as such are passively transported to the embryo sac, wherein double fertilization occurs upon their release. Understanding the mechanisms and conditions by which male gametes mature and take part in fertilization ...

journal_title：Plant physiology

authors： Borges F,Gomes G,Gardner R,Moreno N,McCormick S,Feijó JA,Becker JD

更新日期：2008-10-01 00:00:00

abstract：:Phytases are the primary enzymes responsible for the hydrolysis of phytic acid, myo-inositol-1,2,3,4,5,6-hexakisphosphate (I-1,2,3,4,5,6-P6). A number of phytases with varying specificities, properties, and localizations hydrolyze phytic acid present in cells. The specificity of hydrolysis of phytic acid by alkaline p...

journal_title：Plant physiology

authors： Barrientos L,Scott JJ,Murthy PP

更新日期：1994-12-01 00:00:00

abstract：:A new method has been developed for screening algal photosynthetic mutants. This method uses autoradiography to assess gross photosynthetic 14C fixation by green algal colonies on agar plates and allows the identification of clones that differ in photosynthetic characteristics from wild-type cells. Three wild-type cel...

journal_title：Plant physiology

authors： Matsuda Y,Colman B

更新日期：1996-04-01 00:00:00

abstract：:During adaptation of barley (Hordeum vulgare L.) seedlings to extremely high concentrations of sodium chloride in the root space, the content of galactolipids of chloroplast membranes decreased considerably. Alterations in membrane lipids were due to the high concentration of ions rather than to the increase in the wa...

journal_title：Plant physiology

authors： Müller M,Santarius KA

更新日期：1978-09-01 00:00:00

abstract：:Based on highly redundant and high-quality sequences, we assembled rice (Oryza sativa) mitochondrial genomes for two cultivars, 93-11 (an indica variety) and PA64S (an indica-like variety with maternal origin of japonica), which are paternal and maternal strains of an elite superhybrid rice Liang-You-Pei-Jiu (LYP-9), ...

journal_title：Plant physiology

authors： Tian X,Zheng J,Hu S,Yu J

更新日期：2006-02-01 00:00:00

abstract：:Pretreatment with pertussis toxin or microinjection of guanosine- 5[prime]-(3-thiotriphosphate) (GTP-[gamma]-S) into guard cells in peeled epidermis of Commelina communis L. promoted stomatal opening under subsaturating white light. Guanosine-5[prime]-(2-thiodiphosphate) (GDP-[beta]-S) and adenosine-5[prime]-(3-thiotr...

journal_title：Plant physiology

authors： Lee HJ,Tucker EB,Crain RC,Lee Y

更新日期：1993-05-01 00:00:00