Cell-wall formation in Pelvetia embryos. A freeze-fracture study.

abstract：:Dark-grown radish seedlings (Raphanus sativus L.) were sprayed with 10(-3) mol·l(-1) 2,4-dichlorophenoxyacetic acid and then were exposed to a 14:10 light: dark cycle. Cotyledon samples from these seedlings and unsprayed controls were taken for electron microscopy, chlorophyll determinations, and photosynthetic rate m...

journal_title：Planta

authors： Nadakavukaren MJ,McCracken DA

更新日期：1977-01-01 00:00:00

abstract：:Phytochrome was studied spectrophotometrically in Avena sativa L. seedlings that had been grown for 6 d in continous white fluorescent light from lamps. Greening was prevented through the use of the herbicide San 9789. When placed in the light, phytochrome (Ptot) decreased with first order kinetics (τ1/2 ≈ 2 h) but re...

journal_title：Planta

authors： Jabben M,Deitzer GF

更新日期：1978-01-01 00:00:00

abstract：:Enhancement of carbon fixation was demonstrated in the bluegreen alga, Anabaena cylindrica, grown in either aerobic or microaerobic conditions. Under identical conditions no enhancement of acetylene reduction was observed. Light absorbed by photosystem I supported relatively more acetylene reduction than carbon fixati...

journal_title：Planta

authors： Lyne RL,Stewart WD

更新日期：1973-03-01 00:00:00

abstract：:We used RNA gel-blot analysis, in-situ hybridization, and nuclear run-on transcription to examine the effects of exogenous abscisic acid (ABA) on the spatial distribution of mRNA for the lectin wheat-germ agglutinin (WGA) in developing wheat (Triticum aestivum L. cv. Marshall) embryos and seedlings. When analyzed by R...

journal_title：Planta

authors： Mansfield MA,Raikhel NV

更新日期：1990-03-01 00:00:00

abstract：:The purified protein which constitutes the membranes of the gas vacuoles of the the blue-green alga, Microcystis aeruginosa, was partially characterized. Gel electrophoresis and end-group analysis indicate that the protein is a single species. Strongly protic solvents such as formic acid are the only reagents causing ...

journal_title：Planta

authors： Jones DD,Jost M

更新日期：1971-12-01 00:00:00

abstract：:The endosperm of Euphorbia lagascae Spreng. seeds contains high levels of the epoxidated fatty acid vernolic acid ( cis-12-epoxyoctadeca-cis-9-enoic acid). To obtain transgenic oilcrops producing high levels of vernolic acid, better knowledge of its endogenous metabolism is needed. In this paper we study the gene acti...

journal_title：Planta

authors： Edqvist J,Farbos I

更新日期：2002-05-01 00:00:00

abstract：:Plant defence strategies usually involve the action of several gene products. Transgenic resistance strategies are likely to have enhanced efficacy when they involve more than one transgene. Here we explore possible mechanisms for the co-delivery of multiple effectors via a single transgene. As an example we report th...

journal_title：Planta

authors： Urwin PE,McPherson MJ,Atkinson HJ

更新日期：1998-04-01 00:00:00

abstract：MAIN CONCLUSION:Loss of function mutation of rice OsACOS12 impairs lipid metabolism-mediated anther cuticle and pollen wall formation, and interferes with tapetum programmed cell death, leading to male sterility. Acyl-CoA Synthetase (ACOS) is one of the enzymes activating fatty acids for various metabolic functions in ...

journal_title：Planta

authors： Yang X,Liang W,Chen M,Zhang D,Zhao X,Shi J

更新日期：2017-07-01 00:00:00

abstract：:Pressure-probe measurements and single-cell sampling and analysis techniques were used to determine the effect of photosynthetic production and accumulation of sugars on osmotic and turgor pressures of individual cells of barley ( Hordeum vulgare L.) source leaves. In control plants, the changes in osmotic pressure in...

journal_title：Planta

authors： Koroleva OA,Tomos AD,Farrar J,Pollock CJ

更新日期：2002-06-01 00:00:00

abstract：:Grains retained on the plants of some cultivars of common bread wheat lose dry matter after ripeness is attained, but later gain dry matter again. We conclude that the post-ripe plant may remain metabolically active. ...

journal_title：Planta

authors： Meredith P,Jenkins LD

更新日期：1970-09-01 00:00:00

abstract：:This study tests the hypothesis that red-leaved gametophytes of the liverwort Jamesoniella colorata (Lehm.) Schiffn., which are found in relatively dry habitats, are more desiccation tolerant than their green counterparts, which are found in moister environments, through superior photoprotective systems. The potential...

journal_title：Planta

authors： Hooijmaijers CA

更新日期：2008-05-01 00:00:00

abstract：:Compared with our knowledge of senescence in annuals and biennials, little is known about age-related changes in perennials. To get new insights into the mechanisms underlying aging in perennials, we measured oxidative stress markers in leaves and organelles, together with abscisic acid levels in leaves of 2- and 7-ye...

journal_title：Planta

authors： Munné-Bosch S,Lalueza P

更新日期：2007-03-01 00:00:00

abstract：:Freeze-fracturing of Funaria hygrometrica caulonema cells leads to a cleavage within the plasma membrane. The extraplasmatic and the plasmatic fracture faces differ in their particle density. The plasmatic fracture face in caulonema tip cells or in tip cells of side branches, but never in other caulonema cells, is fur...

journal_title：Planta

authors： Reiss HD,Schnepf E,Herth W

更新日期：1984-04-01 00:00:00

abstract：:Plant tetrapyrrole metabolism is located in two different organelles and distributes end products into the whole cell. A complex regulatory network is involved to prevent metabolic imbalance and inefficient allocation of intermediates as well as to correlate the metabolic activities with organelle development. This re...

journal_title：Planta

authors： Papenbrock J,Grimm B

更新日期：2001-09-01 00:00:00

abstract：MAIN CONCLUSION:Our results showed that methylboronic acid is capable of alleviating boron deficiency, enhancing plant growth, and is less toxic than boric acid at higher concentrations. Boron is an essential plant micronutrient and its deficiency occurs in several regions globally, resulting in impaired plant growth. ...

journal_title：Planta

authors： Duran C,Arce-Johnson P,Aquea F

更新日期：2018-07-01 00:00:00

abstract：:Scenedesmus obliquus, strain 633, which synthesizes ketocarotenoids and sporopollenin, also forms pink-red-colored cell walls. Both the cell walls left over after autospore liberation and those from homogenates of disrupted green cells have similar carotenoid pigmentation. Canthaxanthin, astaxanthin, an unidentified k...

journal_title：Planta

authors： Burczyk J,Szkawran H,Zontek I,Czygan FC

更新日期：1981-03-01 00:00:00

abstract：:A critical evolutionary step during rice domestication was the elimination of seed shattering. Wild rice disperses seeds freely at maturity to guarantee the propagation, while cultivated rice retains seeds on the straws to make easy harvest and decrease the loss of production. The molecular basis for this key event du...

journal_title：Planta

authors： Lin Z,Griffith ME,Li X,Zhu Z,Tan L,Fu Y,Zhang W,Wang X,Xie D,Sun C

更新日期：2007-06-01 00:00:00

abstract：:Some ionic relations of the filamentous green alga Mougeotia sp. have been analyzed under different light conditions. Data from influx and efflux measurements using (86)Rb(+) and (36)Cl(-) fit the model of three cellular compartments (cell wall, cytoplasm, vacuole) in series. This result is remarkable, since in a Moug...

journal_title：Planta

authors： Wagner G

更新日期：1974-06-01 00:00:00

abstract：:The relationship between growth, change in cell osmotic pressure and accumulation of osmotic solutes was investigated in hypocotyls of sunflower (Helianthus annum L.) seedlings. During growth in darkness the osmotic pressure decreased by 50% between days 2 and 6 after sowing. After irradiation of dark-grown seedlings ...

journal_title：Planta

authors： Kutschera U

更新日期：1991-04-01 00:00:00

abstract：MAIN CONCLUSION:AXY4/XGOAT1, AXY4L/XGOAT2 and PtrXGOATs are O-acetyltransferases acetylating fucosylated galactose residues on xyloglucan and AXY9 does not directly catalyze O-acetylation of xyloglucan but exhibits weak acetylesterase activity. Xyloglucan is a major hemicellulose that cross-links cellulose in the prima...

journal_title：Planta

authors： Zhong R,Cui D,Ye ZH

更新日期：2018-11-01 00:00:00

abstract：MAIN CONCLUSION:Detrimental pleiotropic effects of resistance mutation(s) were observed for multiple-resistant phenotypes (resistant to both atrazine and dicamba). The multiple-resistant phenotypes had lower growth rates and less capacity for vegetative growth compared to the phenotypes only resistant to atrazine. The ...

journal_title：Planta

authors： Ghanizadeh H,Harrington KC

更新日期：2019-03-01 00:00:00

abstract：:Thermotropism in primary roots of Zea mays L. was studied with respect to gradient strength (°C · cm(--1)), temperature of exposure within a gradient, pre-treatment temperature, and gravitropic stimulation. The magnitude of the response decreased with gradient strength. Maximum thermotropism was independent of gradien...

journal_title：Planta

authors： Fortin MC,Poff KL

更新日期：1991-06-01 00:00:00

abstract：:Three cDNA clones encoding lipid transfer proteins (LTPs) were isolated by applying the rapid amplification of cDNA ends (RACE) protocol to imbibed seeds and germinating seedlings Brassica napus. The deduced amino-acid sequences show a great degree of homology and they exhibit the common features shared by all LTPs. T...

journal_title：Planta

authors： Soufleri IA,Vergnolle C,Miginiac E,Kader JC

更新日期：1996-01-01 00:00:00

abstract：:Gametes of opposite mating type (mt (+) and mt (-)) of the green alga Chlamydomonas eugametos agglutinate via their flagella as a prelude to sexual fusion. To quantitate sexual agglutination, an in vitro assay has been developed using (35)S-labeled flagella and the isolated mt (-)agglutination factor. It is shown that...

journal_title：Planta

authors： Fijst HL,Ossendorp FA,van Egmond P,Kamps AM,Musgrave A,van den Ende H

更新日期：1984-05-01 00:00:00

abstract：:A crude organelle preparation from germinating castor bean endosperm catalysed the incorporation of galactose from UDP[(14)C]galactose into chloroform/methanol (2:1)-soluble glactolipids. At least two galactolipids were formed. Most of the [(14)C]galactose was present in a galactolipid synthesized by the microsomal me...

journal_title：Planta

authors： Mellor RB,Lord JM

更新日期：1979-10-01 00:00:00

abstract：:As part of a study to identify potential targets of calcium action in plant cells, a 35-kDa, annexin-like protein was purified from pea (Pisum sativum L.) plumules by a method used to purify animal annexins. This protein, called p35, binds to a phosphatidylserine affinity column in a calcium-dependent manner and binds...

journal_title：Planta

authors： Clark GB,Dauwalder M,Roux SJ

更新日期：1992-04-01 00:00:00

abstract：:Particulate membrane preparations have been isolated from culminating Dictyostelium discoideum cells. The preparations incorporated glucose from uridine 5'-diphosphate-glucose into a glucose polymer or polymers. These have been shown to be homopolymers of β-linked glucose. A high percentage (78% by methylation analysi...

journal_title：Planta

authors： Blanton RL,Northcote DH

更新日期：1990-02-01 00:00:00

abstract：:In this work, we analyze protein phosphatase (PP) involvement in the sucrose-mediated induction of fructan metabolism in wheat (Triticum aestivum). The addition of okadaic acid (OA), a PP-inhibitor, to sucrose-fed leaves reduced fructosylsucrose-synthesizing activity (FSS) induction in a dose-dependent manner. The exp...

journal_title：Planta

authors： Martínez-Noël GM,Tognetti JA,Salerno GL,Wiemken A,Pontis HG

更新日期：2009-10-01 00:00:00

abstract：MAIN CONCLUSION:The present review discusses not only advances in coconut tissue culture and associated biotechnological interventions but also future research directions toward the resilience of this important palm crop. Coconut (Cocos nucifera L.) is commonly known as the 'tree of life'. Every component of the palm c...

journal_title：Planta

authors： Nguyen QT,Bandupriya HD,López-Villalobos A,Sisunandar S,Foale M,Adkins SW

更新日期：2015-11-01 00:00:00

abstract：:Portulaca oleracea L. has some features common to C4 species but it has been suggested from other studies that a substantial proportion of assimilated carbon dioxide is incorporated into pyruvate and alanine by routes not involving C4 acids or 3-phosphoglycerate. The present paper reports that enzyme activities in P. ...

journal_title：Planta

authors： Hatch MD

更新日期：1975-01-01 00:00:00