[The chlorophyll content of tumors from pale and green leaf tissues of Kalanchoe fedtschenkoi].

abstract：:The rate of glycolate excretion by Coccochloris peniocystis Kütz. cells incubated under conditions of low bicarbonate concentration and high light intensity was linear for only the initial 15 min of incubation and no additional glycolate accumulated in the medium after 20 min. Excretion was maximal in cells grown on 5...

journal_title：Planta

authors： Ingle RK,Colman B

更新日期：1976-01-01 00:00:00

abstract：:Microautoradiography was used to follow the translocation pathways of (14)C-labeled photosynthate from mature source leaves, through the stem, to immature sink leaves three nodes above. Translocation occurred in specific bundles of the midveins and petioles of both the source and sink leaves and in the interjacent int...

journal_title：Planta

authors： Vogelmann TC,Larson PR,Dickson RE

更新日期：1982-12-01 00:00:00

abstract：MAIN CONCLUSION:Variable cotton fiber diameter is set early in anisotropic elongation by cell-type-specific processes involving the temporal and spatial regulation of microtubules in the apical region. Cotton fibers are single cells that originate from the seed epidermis of Gossypium species. Then, they undergo extreme...

journal_title：Planta

authors： Graham BP,Haigler CH

更新日期：2021-01-23 00:00:00

abstract：MAIN CONCLUSION:The HRA2pl peptide expressed by transient transformation in N. tabacum plants is capable of inhibiting the binding of the human metapneumovirus to HEp-2 cells at the fusion stage. Human metapneumovirus (hMPV) is an agent responsible for acute respiratory infections that mainly affects children under 3 y...

journal_title：Planta

authors： Márquez-Escobar VA,Tirado-Mendoza R,Noyola DE,Gutiérrez-Ortega A,Alpuche-Solís ÁG

更新日期：2015-07-01 00:00:00

abstract：:The nucleotide composition of ribosomal, soluble and total ribonucleic acids (RNA) from the zoospores of Rhizophlyctis rosea was determined. The base ratios for ribosomal, soluble, and total RNA were 49.16, 51.79 and 49.97 moles percent, guanylic acid (G) and cytidylic acid (C) respectively. The distribution of the nu...

journal_title：Planta

authors： Léjohn HB,Lovett JS

更新日期：1966-09-01 00:00:00

abstract：:α-Galactosidase II(2) (MW ∼ 43 390) from resting Vicia faba L. seeds had been shown to possess D-glucose/D-mannose-specific lectin activity. Inhibition studies with monosaccharides and an examination of the effects of heat and pH on the catalytic and lectin activities of the enzyme indicate that the enzyme substrate a...

journal_title：Planta

authors： Dey PM,Naik S,Pridham JB

更新日期：1986-01-01 00:00:00

abstract：:Protein phosphatase 2A (PP2A) is a serine/threonine-specific phosphatase comprising a catalytic subunit (C), a scaffolding subunit (A), and a regulatory subunit (B). The B subunits are believed to be responsible for substrate specificity and localization of the PP2A complex. In plants, three families of B subunits exi...

journal_title：Planta

authors： Matre P,Meyer C,Lillo C

更新日期：2009-10-01 00:00:00

abstract：:Mannose-containing polysaccharides are widely distributed in cell walls of higher plants. During endosperm mobilization in germinated tomato seeds (1-->4)-beta-mannan endohydrolases (EC 3.2.1.78) participate in the enzymic depolymerization of these cell wall polysaccharides. A cDNA encoding a (1-->4)-beta-mannanase fr...

journal_title：Planta

authors： Bewley JD,Burton RA,Morohashi Y,Fincher GB

更新日期：1997-12-01 00:00:00

abstract：:The role of oxygen in the photoinactivation of the photosynthetic apparatus of Spinacia oleracea L. was investigated. Moderate irradiation (1200 μmol photons m(-2)s(-1)) of spinach leaves in an atmosphere of pure nitrogen caused strong inhibition of subsequently measured net CO2 assimilation, whereas considerably less...

journal_title：Planta

authors： Krause GH,Köster S,Wong SC

更新日期：1985-08-01 00:00:00

abstract：:Dehydrins are thought to play an essential role in the response, acclimation and tolerance to different abiotic stresses, such as cold and drought. These proteins have been classified into five groups according to the presence of conserved and repeated motifs in their amino acid sequence. Due to their putative functio...

journal_title：Planta

authors： Perdiguero P,Barbero MC,Cervera MT,Soto A,Collada C

更新日期：2012-12-01 00:00:00

abstract：:The cytokinins present in the spring sap of Acer pseudoplatanus L. were investigated. Ribosyl-trans-zeatin, trans-zeatin and dihydrozeatin were isolated and identified by combined gas chromatography-mass spectrometry (GC-MS). A number of other cytokinin active fractions were observed. One of these was less polar than ...

journal_title：Planta

authors： Purse JG,Horgan R,Horgan JM,Wareing PF

更新日期：1976-01-01 00:00:00

abstract：MAIN CONCLUSION:Exogenous SA treatment at appropriate concentrations promotes adventitious root formation in cucumber hypocotyls, via competitive inhibiting the IAA-Asp synthetase activity of CsGH3.5, and increasing the local free IAA level. Adventitious root formation is critical for the cutting propagation of horticu...

journal_title：Planta

authors： Dong CJ,Liu XY,Xie LL,Wang LL,Shang QM

更新日期：2020-10-07 00:00:00

abstract：:The dynamics of microtubule (MT) disassembly and reassembly were studied in the green alga Ernodesmis verticillata, using indirect immunofluorescent localization of tubulin. This alga possesses two distinct MT arrays: highly-ordered, longitudinally-oriented cortical MTs, and shorter perinuclear MTs radiating from nucl...

journal_title：Planta

authors： La Claire JW 2nd,Fulginiti R

更新日期：1991-11-01 00:00:00

abstract：:Root growth was analyzed in Allium cepa L. grown under steady-state conditions at 10, 15 and 25°C by measuring cell sizes along the meristem and mature zones at these three temperatures and in the elongation zone at 15°C. The absolute rate of growth, v(x), was determined as a function of the mean cell number of cells ...

journal_title：Planta

authors： Carmona MJ,Cuadrado A

更新日期：1986-06-01 00:00:00

abstract：MAIN CONCLUSION:Xyloglucan endo-transglycosylase/hydrolase ( Ph XET/H) regulates Podophyllum seed germination via GA mediated up-accumulation of Ph XET protein and subsequent endosperm weakening. Xyloglucan endo-transglycosylase/hydrolase (XET/H) belong to glycosyl hydrolase family 16, which play an important role in e...

journal_title：Planta

authors： Dogra V,Sharma R,Yelam S

更新日期：2016-08-01 00:00:00

abstract：:Freshly isolated protoplasts or separated cells prepared from leaves of Nicotiana tabacum L. cvs. Xanthincor Turkish Samsun exhibit substantially greater incorporation of [(3)H] leucine and [(3)H] uridine into protoplast protein and RNA, respectively, when dilute rather than concentrated suspensions are incubated. Thi...

journal_title：Planta

authors： Rubin G,Zaitlin M

更新日期：1976-01-01 00:00:00

abstract：:A β-amylase (EC 3.2.1.2) was identified in the outer pericarp (βP) of developing seeds of wheat (Triticum aestivum L.) and compared with the well known β-amylase which is synthesized during seed development in the starchy endosperm (βE). The enzyme βP already exists in the tissues before anthesis and vanishes at the t...

journal_title：Planta

authors： Daussant J,Laurière C

更新日期：1990-07-01 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：: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:Comprehensive subcellular localization analysis revealed that the subcellular distribution of carbohydrate metabolic pathways in the red alga Cyanidioschyzon is essentially identical with that in Arabidopsis , except the lack of transaldolase. In plants, the glycolysis and oxidative pentose phosphate pa...

journal_title：Planta

authors： Moriyama T,Sakurai K,Sekine K,Sato N

更新日期：2014-09-01 00:00:00

abstract：:Seed plants with compound leaves constitute a polyphyletic group, but studies of diverse taxa show that genes of the class 1 KNOTTED-LIKE HOMEOBOX (KNOX1) family are often involved in compound leaf development. This suggests that knox1 genes have been recruited on multiple occasions during angiosperm evolution (Bharat...

journal_title：Planta

authors： Müller KJ,He X,Fischer R,Prüfer D

更新日期：2006-10-01 00:00:00

abstract：:Comparative investigations of 20 Centrospermae from 12 families revealed that a plastid with an electron-dense core and/or annular plastid filaments is typical for Caryophyllales.When the plastid membrane breaks down - it is most probable that this takes place artificially during the process of preparation and fixatio...

journal_title：Planta

authors： Behnke HD

更新日期：1969-09-01 00:00:00

abstract：:The role of phloem anastomoses in translocation was studied experimentally in intact and wounded internodes ofDahlia pinnata Cav. Translocation was visualized with fluorescein, a fluorescent dye capable of movement in the phloem. Translocation was analyzed in large areas of living phloem tissue which were peeled from ...

journal_title：Planta

authors： Aloni R,Peterson CA

更新日期：1990-11-01 00:00:00

abstract：:Acid ribonuclease from cotyledons of Pisum sativum is very stable, with a temperature optimum of 65° C. It has a molecular weight of 17,500 and there is evidence that a fragment, with a molecular weight of 3,100, retains enzyme activity. Acid ribonuclease from the cotyledons of five-day old seedlings may be fractionat...

journal_title：Planta

authors： Bryant JA,Greenway SC,West GA

更新日期：1976-01-01 00:00:00

abstract：MAIN CONCLUSION:Two novel QTLs for early seedling growth in rice were fine mapped, with one of which to a 4-kb identical to the known GW6a gene, and another one to a 43-kb region that contains six candidate genes. Leaves are extremely important for plant photosynthesis: the size and shape of which determine the rate of...

journal_title：Planta

authors： Cheng P,Cao LJ,Bai C,Ashikari M,Song XJ

更新日期：2021-02-01 00:00:00

abstract：:The retention of photosystems I and II and or RuDP carboxylase activity in chloroplasts isolated from the first leaves of Victory oat (Avena sativa L.) seedlings was followed as the chloroplasts senesced in darkness. Both photosystems (PS) I and II retained their full activity after 3 days at 1°C, while even after 7 d...

journal_title：Planta

authors： Choe HT,Thimann KV

更新日期：1977-01-01 00:00:00

abstract：MAIN CONCLUSIONS:Compared to Artemisia ordosiea Kraschen, a higher content of α-tocopherol in Artemisia sphaerocephala Kraschen under salt stress inhibits the conversion of linoleic acid (C18:2) into linolenic acid (C18:3), maintains cell membrane stability and contributes to higher salt resistance. Artemisia sphaeroce...

journal_title：Planta

authors： Chen X,Zhang L,Miao X,Hu X,Nan S,Wang J,Fu H

更新日期：2018-02-01 00:00:00

abstract：:Arginase (EC 3.5.3.1) localization was studied in soybean (Glycine max L.) seedling cotyledons. Subcellular fractionation in a discontinuous Percoll gradient showed that arginase was localized in the mitochondrion. Arginine (Arg) uptake by mitochondria was demonstrated by co-sedimentation of [3H]Arg-derived label and ...

journal_title：Planta

authors： Goldraij A,Polacco JC

更新日期：2000-03-01 00:00:00

abstract：:The technique of EDTA-enhanced phloem exudation (King and Zeevaart, 1974: Plant Physiol. 53, 96-103) was evaluated with respect to the collection and identification of amino acids exported from senescing wheat leaves. Whilst the characteristics of the exudate collected conform with many of the accepted properties of p...

journal_title：Planta

authors： Simpson RJ,Dalling MJ

更新日期：1981-05-01 00:00:00

abstract：:The capacity for HCO (3) (-) use by Porphyra leucosticta Thur. in Le Jolis grown at different concentrations of inorganic carbon (C(i)) was investigated. The use of HCO (3) (-) at alkaline pH by P. leucosticta was demonstrated by comparing the O(2) evolution rates measured with the O(2) evolution rates theoretically s...

journal_title：Planta

authors： Mercado JM,Niell FX,Figueroa FL

更新日期：1997-03-01 00:00:00