Levels of p34(cdc2)-like protein in dividing, differentiating and dedifferentiating cells of carrot.

abstract：:The effects of the local anesthetic dibucaine on coupling between electron transport and ATP synthesis-hydrolysis by the coupling-factor complex (CF0CF1 ATPase) were investigated in thylakoid membranes from Spinacia oleracea L. cv. Monatol. Evidence is presented that inhibition of ATP synthesis was produced by a speci...

journal_title：Planta

authors： Laasch H,Schumann J,Günther G

更新日期：1991-03-01 00:00:00

abstract：:The (12)CO2- and (14)CO2-exchange of illuminated corn leaf discs were measured at normal (21%) and low (1%) oxygen. After periods of exposure to (14)CO2 or to (14)CO2 followed by (12)CO2, the discs were killed and the specific activities of some metabolites were determined. At both O2 concentrations the specific activ...

journal_title：Planta

authors： Mahon JD,Fock H,Höhler T,Canvin DT

更新日期：1974-01-01 00:00:00

abstract：:We studied changes induced by cold on electron transfer pathways (linked to NADH or NADPH oxidation) in endoplasmic reticulum of rapeseed hypocotyls (Brassica napus L.) from a freezing-sensitive variety (ISL) and freezing-tolerant variety (Tradition). Plantlets were grown at 22 degrees C then submitted to a cold shock...

journal_title：Planta

authors： de Virville JD,Cochet F,Tasseva G,Moreau F,Zachowski A

更新日期：2008-10-01 00:00:00

abstract：:Heterocysts of Anabaena cylindrica, isolated rapidly in the cold, were found-in contrast to earlier reports-to contain all of the same lipids and lipophilic pigments, and in about the same proportions, as vegetative cells. In broken filaments and in heterocysts damaged during isolation, the membrane lipids and certain...

journal_title：Planta

authors： Winkenbach F,Wolk CP,Jost M

更新日期：1972-03-01 00:00:00

abstract：:Three-week-old protonemata of Funaria hygrometrica Hedw. cultivated in Petri dishes tolerate slow drying (24 h to complete dryness) but not rapid drying (1h to complete dryness). Slowly dried mosses show, on a dry-weight basis, a sixfold increase in abscisic-acid (ABA) contents during the drying process. Rehydrated, s...

journal_title：Planta

authors： Werner O,Ros Espín RM,Bopp M,Atzorn R

更新日期：1991-12-01 00:00:00

abstract：:Seven endochitinases (EC 3.2.1.14) (relative molecular masses 23,000-28,000 and isoelectric points 10.3-10.4) were purified from nonembryogenic Citrus sinensis L. Osbeck cv. Valencia callus tissue. The basic chitinase/lysozyme from this tissue (BCLVC) exhibited lysozyme, chitinase and chitosanase activities and was de...

journal_title：Planta

authors： Mayer RT,McCollum TG,Niedz RP,Hearn CJ,McDonald RE,Berdis E,Doostdar H

更新日期：1996-01-01 00:00:00

abstract：:Physical clustering of genes has been shown in plants; however, little is known about gene clusters that have different functions, particularly those expressed in the tomato fruit. A class I 17.6 small heat shock protein (Sl17.6 shsp) gene was cloned and used as a probe to screen a tomato (Solanum lycopersicum) genomi...

journal_title：Planta

authors： Goyal RK,Kumar V,Shukla V,Mattoo R,Liu Y,Chung SH,Giovannoni JJ,Mattoo AK

更新日期：2012-03-01 00:00:00

abstract：:'Warm white' fluorescent light inhibited the elongation of potato sprouts and reduced the rate at which reserve materials in the mother tuber were mobilized. The evidence indicated that the influence of light on mobilization was independent of light effects on the magnitude of the 'sink' for translocates in the sprout...

journal_title：Planta

authors： Morris DA

更新日期：1967-09-01 00:00:00

abstract：:Crude chromatin preparations from pea seedlings contain calcium-dependent deoxyribonuclease activity, at least part of which is endonucleolytic. During germination, there is a dramatic increase in chromatin-bound deoxyribonuclease activity in the embryonic axis immediately prior to the onset of DNA replication. Eviden...

journal_title：Planta

authors： Jenns SM,Bryant JA

更新日期：1978-01-01 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：:The activities of nitrate reductase (EC1.6.6.1), nitrite reductase (EC 1.6.6.4), glutamine synthetase (EC6.3.1.2), glutamate synthase (EC1.4.7.1) and NAD(P)H-dependent glutamate dehydrogenase (EC 1.4.1.3) were investigated in mesophyll and bundle sheath cells of maize leaves (Zea mays L.). Whereas nitrate and nitrite ...

journal_title：Planta

authors： Harel E,Lea PJ,Miflin BJ

更新日期：1977-01-01 00:00:00

abstract：:Extracts prepared from dry pea (Pisum sativum, L; cv oberon) primary axes translate efficiently their endogenous messengers in an in vitro protein synthesizing system. The native long-lived messengers are biologically fully active and direct the synthesis of a whole range of polypeptides with MW ranging up to 130,000....

journal_title：Planta

authors： Peumans WJ,Delaey BM,Manickam A,Carlier AR

更新日期：1980-12-01 00:00:00

abstract：:Two lectins were purified by affinity chromatography from mature peanut (Arachis hypogaea L.) nodules, and compared with the previously characterised seed lectin of this plant. One of the nodule lectins was similar to the seed lectin in its molecular weight and amino-acid composition and ability to bind derivatives of...

journal_title：Planta

authors： Law IJ,Haylett T,Strijdom BW

更新日期：1988-11-01 00:00:00

abstract：:Chlamydomonas reinhardtii Dangeard generates photoreceptor currents (PCs) upon light excitation. These currents play a key role in the signal transduction chain for photomotility responses. We have previously found that inhibition of PCs by tryptone occurs only in gametes that display chemotaxis toward this agent, and...

journal_title：Planta

authors： Govorunova EG,Voytsekh OO,Sineshchekov OA

更新日期：2007-01-01 00:00:00

abstract：:A study has been made of the wall fibrils produced by tobacco protoplasts, using scanning electron microscopy in conjunction with negative staining. It has been shown that the fibres seen in scanning electron microscopy correspond to aggregates of microfibrils. These aggregates are only visible where they are lifted c...

journal_title：Planta

authors： Burgess J,Linstead PJ

更新日期：1979-01-01 00:00:00

abstract：:Seedlings from the white mustard, Sinapis alba, grown under continuous far-red light exhibit enhanced plastid enzyme activities when compared with dark-grown seedlings (for review, see Mohr 1981). These activities are even more pronounced upon illumination with white light during the etioplast/chloroplast transformati...

journal_title：Planta

authors： Lütke-Brinkhaus F,Kleinig H

更新日期：1987-07-01 00:00:00

abstract：:Photoheterotrophic and photoautotrophic cell suspension cultures were raised from a callus tissue derived from a Morinda lucida Benth. plant (Rubiaceae). The cultures were characterized with regard to fresh weight, dry weight, cell number, pH, chlorophyll and quinoid natural products. The amount of lipoquinones (phyll...

journal_title：Planta

authors： Igbavboa U,Sieweke HJ,Leistner E,Röwer I,Hüsemann W,Barz W

更新日期：1985-12-01 00:00:00

abstract：:In maize and other grasses there is a developmental gradient from the meristematic cells at the base of the stalk to the differentiated cells at the leaf tip. This gradient presents an opportunity to investigate changes in mitochondrial DNA (mtDNA) that accompany growth under light and dark conditions, as done previou...

journal_title：Planta

authors： Oldenburg DJ,Kumar RA,Bendich AJ

更新日期：2013-02-01 00:00:00

abstract：:In the initial phase of the geotropical reaction of the Chara rhizoid the growth difference postulated by Sievers (1967c) between the physically upper, slightly subapical flank and the lower one is demonstrated. In horizontal exposure the growth of the extreme cell apex is continued, while the growth of the lower flan...

journal_title：Planta

authors： Sievers A,Schröter K

更新日期：1971-12-01 00:00:00

abstract：:Transgenic rice plants overexpressing a rice tyrosine decarboxylase (TyDC) exhibited a dwarf phenotype with a high level of tyramine accumulation. The height of transgenic rice was reduced on average to 35% of the wild-type height, whereas the number of tillers increased to 190% that of wild type. When judged by cellu...

journal_title：Planta

authors： Kim YS,Park S,Kang K,Lee K,Back K

更新日期：2011-02-01 00:00:00

abstract：:Anthocyanins are the major pigments responsible for the pomegranate (Punica granatum L.) fruit skin color. The high variability in fruit external color in pomegranate cultivars reflects variations in anthocyanin composition. To identify genes involved in the regulation of anthocyanin biosynthesis pathway in the pomegr...

journal_title：Planta

authors： Ben-Simhon Z,Judeinstein S,Nadler-Hassar T,Trainin T,Bar-Ya'akov I,Borochov-Neori H,Holland D

更新日期：2011-11-01 00:00:00

abstract：:MicroRNAs (miRNAs) are emerging as essential regulators of biological processes. Somatic embryogenesis is one of the most important techniques for gymnosperm-breeding programs, but there is little understanding of its underlying mechanism. To investigate the roles of miRNAs during somatic embryogenesis in larch, we co...

journal_title：Planta

authors： Zhang J,Zhang S,Han S,Wu T,Li X,Li W,Qi L

更新日期：2012-08-01 00:00:00

abstract：MAIN CONCLUSION:Three novel QTLs for grain shape were genetically fine mapped, with two of which to a 250-kb target interval on rice chromosome 2 that contains fourteen candidate genes. Grain shape (grain length, width, and thickness) determines crop yield and grain quality. However, the trait is regulated by numerous ...

journal_title：Planta

authors： Wang GJ,Wang Y,Ying JZ,Song XJ

更新日期：2020-07-15 00:00:00

abstract：:Nuclear DNA (ncDNA) synthesis in Chlamydomonas reinhardtii was measured by both (32)P[or-thophosphoric acid] ((32)P) and [(14)C]adenine incorporation and found to be highly synchronous. Ca. 85% of incorporation was confined to the first 6 h of the dark period of a synchronized regime consisting of an alternating light...

journal_title：Planta

authors： Grant D,Swinton DC,Chiang KS

更新日期：1978-01-01 00:00:00

abstract：:Hydrogen peroxide-dependent glyoxylate decarboxylation occurring during glycollate oxidation by pea leaf extracts (Pisum sativum L.) has been studied in relation to the effects of glyoxylate and extract concentration. With a saturating concentration of glycollate, decarboxylation was greatly stimulated by raising the ...

journal_title：Planta

authors： Walton NJ

更新日期：1982-08-01 00:00:00

abstract：:Rehydration of desiccated Cuphea seeds results in a rapid morphological change in the seed. Within 20 min thread like epidermal hairs are present on the seed surface. The hairs, which are highly ordered helical structures, are present in the epidermal cells of the desiccated seed. Following emergence the hairs increas...

journal_title：Planta

authors： Stubbs JM,Slabas AR

更新日期：1982-09-01 00:00:00

abstract：:The arrangements of cortical microtubules (MTs) in a tip-growing protonemal cell of Adiantum capillus-veneris L. and of cellulose microfibrils (MFs) in its wall were examined during blue-light (BL)-induced apical swelling. In most protonemal cells which had been growing in the longitudinal direction under red light, a...

journal_title：Planta

authors： Murata T,Wada M

更新日期：1989-06-01 00:00:00

abstract：:Wild-type (Ph1) and adenine-requiring (Ad1) cell lines of Datura innoxia Mill. were used in experiments to evaluate arsenate as a growth-lethal compound and its use as a counterselection agent. These experiments led to the devising of methods for the recovery of Ph1 and Ad1 cells after arsenate treatment when plated a...

journal_title：Planta

authors： Horsch RB,King J

更新日期：1984-02-01 00:00:00

abstract：:It has been shown that the scuttellum of germinating barley embryos synthesises gibberellin in intact grains or when detached from the endosperm, but not when attached to the endosperm if the axis is removed. Evidence is given to support the hypothesis that the inhibition of gibberellin synthesis is caused by a distur...

journal_title：Planta

authors： Radley M

更新日期：1969-09-01 00:00:00

abstract：:Etioplasts and chloroplasts isolated from Pisum sativum differ in lipid composition. The relative amounts of galactolipids, especially of MGD, are higher in the chloroplast. In contrast, the sulfo- and the phospholipids are already present in the etioplasts in higher concentrations. During the formation of the thylako...

journal_title：Planta

authors： Heise KP,Jacobi G

更新日期：1973-06-01 00:00:00