The distribution of microtubules in differentiating cells of Micrasterias denticulata bréb.

abstract：:Kinetin induces an increase in the caffeine content of Coffea leaves of up to 40% of the normal level. The effect is most pronounced in young leaves; it is, however, transient. After six days in old leaves and after 12 days in young leaves, the caffeine content has decreased to its normal level.The results are discuss...

journal_title：Planta

authors： Wanner H,Hagemann P

更新日期：1969-03-01 00:00:00

abstract：:We have studied the mechanism of the response to iron deficiency in rape (Brassica napus L.), taking into account our previous results: net H(+) extrusion maintains a pH shift between the root apoplast and the solution, and the magnitude of the pH shift decreases as the buffering power in the solution increases. The f...

journal_title：Planta

authors： Toulon V,Sentenac H,Thibaud JB,Davidian JC,Moulineau C,Grignon C

更新日期：1992-01-01 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：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：:Germinating barley grains contain at least eight different peptidases: three carboxypeptidase (pH optima 4.8, 5.2, and 5.7), three aminopeptidases which act on aminoacyl-β-naphthylamides (pH opitima in the hydrolysis of di- and tripeptides at pH 5.8-6.5), and two peptidases which hydrolyse Ala-Gly and Leu-Tyr optimall...

journal_title：Planta

authors： Mikola J,Kolehmainen L

更新日期：1972-06-01 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：:The basic helix-loop-helix (bHLH) transcription factors (TFs) comprise one of the largest families of TFs involved in developmental and physiological processes in plants. Here, we describe the functional characterization of two bHLH TFs (NtAn1a and NtAn1b) isolated from tobacco (Nicotiana tabacum) flowers. NtAn1a and ...

journal_title：Planta

authors： Bai Y,Pattanaik S,Patra B,Werkman JR,Xie CH,Yuan L

更新日期：2011-08-01 00:00:00

abstract：:Minor antigens characteristic of developing and mature embryos were not found in the shoot and root meristems of the seedlings. Some of these embryonal antigens (EA) were present, however, in callus and cell-suspension cultures, irrespective of their tissue origin, and were maintained throughout repeated subcultures, ...

journal_title：Planta

authors： Khavkin EE,Misharin SI,Polikarpochkina RT

更新日期：1979-01-01 00:00:00

abstract：:Homologous cDNA clones of the nuclear-codes 23- and 33-kDa polypeptides of the oxygen-evolving system, as well as the Rieske iron/sulfur protein, were expressed in antisense or sense orientation under the control of the 35S RNA cauliflower mosaic virus promoter in transgenic tobacco (Nicotiana tabacum, L.) in order to...

journal_title：Planta

authors： Palomares R,Herrmann RG,Oelmuller R

更新日期：1993-01-01 00:00:00

abstract：:Two sites for β-oxidation of fatty acids in pea (Pisum sativum L.) cotyledons exist. One site is the microbody, the other the mitochondrion. Mitochondrial β-oxidation of fatty acids is carnitine-dependent. The fatty acid permeates the membrane as palmitoylcarnitine which is formed from cytosolic-side palmitoyl-CoA by ...

journal_title：Planta

authors： Thomas DR,Wood C

更新日期：1986-06-01 00:00:00

abstract：MAIN CONCLUSION:The origin and evolution of plant PRC1 core components. Polycomb repressive complex1 (PRC1) plays critical roles in epigenetic silencing of homeotic genes and determination of cell fate. Animal PRC1 has been well investigated for a long time, whereas plant PRC1 was just confirmed in recent years. It is ...

journal_title：Planta

authors： Chen DH,Huang Y,Ruan Y,Shen WH

更新日期：2016-04-01 00:00:00

abstract：:Limbs of flower buds from Petunia hybrida were investigated for β-glucosidase activity with dihydroflavonol-glucosides and 4-methyl-umbelliferyl-β-D-glucoside as substrates. Dihydroflavonol-glucoside β-glucosidase is localized in the cell wall. This activity has an acid pH optimum and is also active toward 4-methyl-um...

journal_title：Planta

authors： Schram AW,Al EJ,Douma N,Jonsson LM,de Vlaming P,Kooi A,Bennink GJ

更新日期：1982-07-01 00:00:00

abstract：:During sexual differentiation, Chlamydomonas reinhardtii changes its chemotactic behavior in response to ammonium. Just like gamete formation, the change in chemotaxis mode is controlled by the sequential action of two environmental cues, removal of ammonium or nitrate from the medium and light. Thus, vegetative cells...

journal_title：Planta

authors： Ermilova EV,Zalutskaya ZM,Huang K,Beck CF

更新日期：2004-07-01 00:00:00

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：MAIN CONCLUSION:Although grass pea is an environmentally successful robust legume with major traits of interest for food and nutrition security, the genetic potential of this orphan crop has long been neglected. Grass pea (Lathyrus sativus L.) is a Neolithic plant that has survived millennia of cultivation and has spre...

journal_title：Planta

authors： Lambein F,Travella S,Kuo YH,Van Montagu M,Heijde M

更新日期：2019-09-01 00:00:00

abstract：MAIN CONCLUSION:Bambara groundnut has the potential to be used to contribute more the climate change ready agriculture. The requirement for nitrogen fixing, stress tolerant legumes is clear, particularly in low input agriculture. However, ensuring that existing negative traits are tackled and demand is stimulated throu...

journal_title：Planta

authors： Mayes S,Ho WK,Chai HH,Gao X,Kundy AC,Mateva KI,Zahrulakmal M,Hahiree MKIM,Kendabie P,Licea LCS,Massawe F,Mabhaudhi T,Modi AT,Berchie JN,Amoah S,Faloye B,Abberton M,Olaniyi O,Azam-Ali SN

更新日期：2019-09-01 00:00:00

abstract：:The cell walls in the new white roots of jack pine (Pinus banksiana Lamb.) were observed to constrict around the shrinking protoplast of osmotically stressed roots, and pressure was maintained via an apparent adjustment of cell-wall size and elasticity. These elastic alterations of the cell wall permitted the root cel...

journal_title：Planta

authors： Marshall JG,Dumbroff EB,Thatcher BJ,Martin B,Rutledge RG,Blumwald E

更新日期：1999-05-01 00:00:00

abstract：:By comparing the expression patterns of selected genes from Arabidopsis thaliana (L.) Heynh. grown either at 1 g or on a clinostat (horizontally or vertically inverted, 1 rpm), and either used directly or after hypergravity stimulation, we have shown that the pattern of expression did not proceed in a stereotypical ma...

journal_title：Planta

authors： Centis-Aubay S,Gasset G,Mazars C,Ranjeva R,Graziana A

更新日期：2003-12-01 00:00:00

abstract：:The development of characteristic cytoplasmic inclusions from endoplasmic-reticulum (ER) cisternae in nucellar cells of some species of Euphorbia has been studied by electron microscopy. The formation of these organelles is preceded by the appearance of rough ER cisternae filled with an electron-dense material and for...

journal_title：Planta

authors： Gori P,Sarfatti G,Cresti M

更新日期：1971-06-01 00:00:00

abstract：:The effect of supplementing either meta-topolin (mT) or N(6)-benzyladenine (BA) requiring cultures with roscovitine (6-benzylamino-2-[1(R)-(hydroxymethyl)propyl]amino-9-isopropylpurine), a cyclin-dependent kinase (CDK) and N-glucosylation inhibitor, and INCYDE (2-chloro-6-(3-methoxyphenyl)aminopurine), an inhibitor of...

journal_title：Planta

authors： Aremu AO,Bairu MW,Novák O,Plačková L,Zatloukal M,Doležal K,Finnie JF,Strnad M,Van Staden J

更新日期：2012-12-01 00:00:00

abstract：:Abscisic acid (ABA) is an important stress phytohormone that plays an essential role in mediating the signaling networks associated with plant responses to various abiotic stresses. In the present study, we isolated a gene CrNCED1 encoding the rate-limiting enzyme of ABA synthesis, 9-cis-epoxycarotenoid dioxygenase (N...

journal_title：Planta

authors： Xian L,Sun P,Hu S,Wu J,Liu JH

更新日期：2014-01-01 00:00:00

abstract：:Lipid extracts from Sorghum sudanese Stapf (cv Piper) that had been subjected to different degrees of water stress contained increasing amounts of a sesquiterpenoid, other than abscisic acid, as the amount of stress increased and subsequent bioassay showed that this substance was capable of inducing stomatal closure. ...

journal_title：Planta

authors： Wellburn AR,Ogunkanmi AB,Fenton R,Mansfield TA

更新日期：1974-01-01 00:00:00

abstract：:We compared the response of NO 3 (-) -induced nitrate-reductase (NR) and nitrite-reductase (NIR) levels in virtually carotenoid-free far-red-light-grown mustard (Sinapis alba L.) cotyledons following a photooxidative treatment of the plastids. The cytosolic localization of NR and the plastidic localization of NIR were...

journal_title：Planta

authors： Oelmüller R,Schuster C,Mohr H

更新日期：1988-04-01 00:00:00

abstract：:The presence of selectable marker genes and vector backbone sequences has affected the safe assessment of transgenic plants. In this study, the ovary-drip method for directly generating vector- and selectable marker-free transgenic plants was described, by which maize was transformed with a linear GFP cassette (Ubi-GF...

journal_title：Planta

authors： Yang A,Su Q,An L

更新日期：2009-03-01 00:00:00

abstract：:Simultaneous measurement of the pressure potential of the phloem of F. americana made on two locations on the trunk over long periods of time showed synchronous oscillations of no fixed period during the day. The simultaneous changes in pressure in two different trees indicated environmental changes were responsible f...

journal_title：Planta

authors： Lee DR

更新日期：1981-04-01 00:00:00

abstract：:The movement of applied (137)Cs and of naturally-assimilated (14)C down the long stolon of Saxifraga is strongly inhibited by confining a length of 10 to 30 cm of the stolon in an atmosphere of nitrogen. The inhibition is reversible, normal transport being restored after less then 4 h when the stolon is returned to ai...

journal_title：Planta

authors： Qureshi FA,Spanner DC

更新日期：1973-06-01 00:00:00

abstract：:Changes in membrane topography in the flagellate Poterioochromonas malhamensis, as a result of colchicine and osmotic-stress treatments, have been studied using freeze-fracturing and thin sectioning. Ridges, but not rows of intramembrane particles, in the PF-face which denote the position of underlying cortical microt...

journal_title：Planta

authors： Robinson DG,Quader H

更新日期：1980-02-01 00:00:00

abstract：MAIN CONCLUSION:Trehalose increased drought tolerance of tomato plants, accompanied by reduced water loss and closed stomata, which was associated with the upregulated ABA signaling-related genes expression, but not in ABA accumulation. Drought is one of the principal abiotic stresses that negatively influence the grow...

journal_title：Planta

authors： Yu W,Zhao R,Wang L,Zhang S,Li R,Sheng J,Shen L

更新日期：2019-08-01 00:00:00

abstract：:Chloride ions are necessary to compensate for the positively charged potassium ions imported into guard cells of Allium cepa L. during stomatal opening. Therefore an external Cl(-) supply of intact Allium plants is important. But high levels of chloride have been found to reduce the sensitivity of the starch-lacking s...

journal_title：Planta

authors： Schnabl H

更新日期：1978-01-01 00:00:00

abstract：:Pale and green leaves of Kalanchoe fedtschenkoi var. variegata were inoculated with Agrobacterium tumefaciens. Six weeks later the chlorophyll contents of the leaves and their tumors were investigated. The tumor tissues possess very similar concentrations of chlorophylls and a low number of chloroplasts per cell. Ther...

journal_title：Planta

authors： Beiderbeck R,Nitsche H

更新日期：1970-03-01 00:00:00