Tensile and compressive stresses in tracheids are induced by swelling based on geometrical constraints of the wood cell.

abstract：:Rapidly growing, green motile flagellates of Haematococcus pluvialis can transform into enlarged red resting cysts (aplanospores) under oxidative stress conditions. However, it is not known what initial molecular defense mechanisms occur in response to oxidative stress, and may ultimately lead to cellular transformati...

journal_title：Planta

authors： Wang SB,Chen F,Sommerfeld M,Hu Q

更新日期：2004-11-01 00:00:00

abstract：:Numerical values which define the relative limitation of photosynthesis by light and CO2 were computed from the slopes of light-and CO2-response curves of photosynthesis. This method offers an easy approach for the characterization of photosynthesis of leaves. ...

journal_title：Planta

authors： Dietz KJ

更新日期：1986-02-01 00:00:00

abstract：MAIN CONCLUSION:This study highlights dehydration-mediated temporal changes in physicochemical, transcriptome and metabolome profiles indicating altered gene expression and metabolic shifts, underlying endurance and adaptation to stress tolerance in the marginalized crop, grasspea. Grasspea, often regarded as an orphan...

journal_title：Planta

authors： Rathi D,Gayali S,Pareek A,Chakraborty S,Chakraborty N

更新日期：2019-09-01 00:00:00

abstract：:Chlorophyll a fluorescence parameters can provide qualitative and quantitative information about photosynthetic processes in chloroplasts. JIP-test and modulated fluorescence (MF) parameters are commonly used chlorophyll a fluorescence parameters. This study was conducted to identify quantitative trait loci (QTLs) ass...

journal_title：Planta

authors： Yin Z,Meng F,Song H,He X,Xu X,Yu D

更新日期：2010-03-01 00:00:00

abstract：:Plants have efficient water-transporting vascular networks with a self-recovery function from embolism, which causes fatal discontinuity in sap flow. However, the embolism-refilling process in xylem vessel is still unclear. The water-refilling processes in the individual xylem vessels of excised Arabidopsis roots were...

journal_title：Planta

authors： Lee SJ,Hwang BG,Kim HK

更新日期：2013-08-01 00:00:00

abstract：:Borya nitida Labill., a plant able to colonize rock outcrops and shallow sands in areas of high incident solar radiation in Western Australia, was examined for its tolerance to extremes of temperature, and to intense visible radiation. Stress injury to the leaves from heat, chilling or photoinhibitory light was follow...

journal_title：Planta

authors： Hetherington SE,Smillie RM

更新日期：1982-06-01 00:00:00

abstract：:The fate of the carbon-20 atom in gibberellin (GA) biosynthesis was studied in a cell-free system from Pisum sativum. This carbon atom is lost at the aldehyde stage of oxidation when C20-GAs are converted to C19-GAs. Gibberellin A12 labeled with (14)C at C-20 was prepared from [3'-(14)C]mevalonic acid with a cell-free...

journal_title：Planta

authors： Kamiya Y,Takahashi N,Graebe JE

更新日期：1986-12-01 00:00:00

abstract：:Epicotyl and primary leaves of pea seedlings (Pisum sativum L., var. Alaska) were found to contain soluble and microsomal enzymes catalyzing the addition of glutathione to the olefinic double bond of cinnamic acid. Glutathione S-cinnamoyl transfer was also obtained with enzyme preparations from potato slices and cell ...

journal_title：Planta

authors： Diesperger H,Sandermann H Jr

更新日期：1979-10-01 00:00:00

abstract：:We are interested in elucidating the molecular mechanisms underlying plant reactions to the toxic heavy metal cadmium (Cd). To this end, we devised a new screening strategy using agar plates with a gradient of Cd concentrations, termed Cd-gradient agar plates (CGAPs), to isolate Arabidopsis mutants that displayed alte...

journal_title：Planta

authors： Watanabe A,Ito H,Chiba M,Ito A,Shimizu H,Fuji S,Nakamura S,Hattori H,Chino M,Satoh-Nagasawa N,Takahashi H,Sakurai K,Akagi H

更新日期：2010-09-01 00:00:00

abstract：MAIN CONCLUSION:Melatonin-mediated osmotic tolerance was attributed to increased antioxidant capacity, energy metabolism, osmoregulation and autophagy in wheat (Triticum aestivum L.). Melatonin is known to play multiple roles in plant abiotic stress tolerance. However, its role in wheat has been rarely investigated. In...

journal_title：Planta

authors： Cui G,Sun F,Gao X,Xie K,Zhang C,Liu S,Xi Y

更新日期：2018-07-01 00:00:00

abstract：:Particulate enzymic preparations obtained from homogenates of differentiated xylem cells isolated from sycamore trees, catalyzed the formation of a radioactive xylan in the presence of UDP-D-[U-(14)C]xylose as substrate. The synthesized xylan was not dialyzable through Visking cellophane tubing. Successive extraction ...

journal_title：Planta

authors： Dalessandro G,Northcote DH

更新日期：1981-01-01 00:00:00

abstract：MAIN CONCLUSION:This review presents the role of strigolactone transport in regulating plant root and shoot architecture, plant-fungal symbiosis and the crosstalk with several phytohormone pathways. The authors, based on their data and recently published results, suggest that long-distance, as well local strigolactone ...

journal_title：Planta

authors： Borghi L,Liu GW,Emonet A,Kretzschmar T,Martinoia E

更新日期：2016-06-01 00:00:00

abstract：:The inhibition of hypocotyl lengthening in intact mustard seedlings is controlled by two photosensitive systems which can be experimentally separated. 1. Kinetics of the growth response in the dark after red and far-red irradiation (Figs. 1, 2) demonstrate the operation of Pfr in the ground state via a threshold mecha...

journal_title：Planta

authors： Schopfer P,Oelze-Karow H

更新日期：1971-06-01 00:00:00

abstract：:Light inhibits the rate of stem elongation of Phaseolus coccineus L. seedlings. Gibberellin A4 (GA4), an endogenous component of Phaseolus seedlings (Bowen et al., Phytochem. 12, 2935-2941, 1973) promotes stem growth in the light but not in darkness. Dark-grown seedlings contain larger GA pools than light-grown plants...

journal_title：Planta

authors： Bown AW,Reeve DR,Crozier A

更新日期：1975-01-01 00:00:00

abstract：:Total RNA was extracted from fast growing suspension cells of bean, the mRNA was translated and the products of protein synthesis analysed by gel electrophoresis. Actinomycin D (20 μg ml(-1)) added to the cultures 12 h before the induction of phenylalanine ammonia-lyase (PAL) activity by naphthylacetic acid (NAA) (1 m...

journal_title：Planta

authors： Dudley K,Northcote DH

更新日期：1979-09-01 00:00:00

abstract：:Cyclic electron transport around photosystem (PS) I is believed to play a role in generation of ATP required for adaptation to stress in cyanobacteria and plants. However, elucidation of the pathway(s) of cyclic electron flow is difficult because of low rates of this electron flow relative to those of linear photosynt...

journal_title：Planta

authors： Howitt CA,Cooley JW,Wiskich JT,Vermaas WF

更新日期：2001-11-01 00:00:00

abstract：:In plants, transgenes frequently become spontaneously silenced for unknown reasons. Typically, transgene silencing involves the generation of small interfering RNAs (siRNAs) that directly or indirectly target cognate DNA and mRNA sequences for methylation and degradation, respectively. In this report, we compared spon...

journal_title：Planta

authors： Dalakouras A,Moser M,Boonrod K,Krczal G,Wassenegger M

更新日期：2011-10-01 00:00:00

abstract：:Single large internode cells of the charophyte (giant alga) Chara corallina were dissected to give sheets of cell wall, which were then notched and their mechanical properties in tension determined. The cells were subjected to a thermal treatment in excess water (cf. cooking), which had little effect on strength but i...

journal_title：Planta

authors： Toole GA,Smith AC,Waldron KW

更新日期：2002-01-01 00:00:00

abstract：:When barley aleurone layers are treated with gibberellic acid (GA3) in the presence of increasing concentrations (0.2-0.8 M) of mannitol, the rate of (32)Pi incorporation into phospholipids becomes progressively inhibited. Mannitol does not affect this process in aleurone layers not treated with GA3, nor does it appre...

journal_title：Planta

authors： Koehler D,Johnson KD,Varner JE,Kende H

更新日期：1972-09-01 00:00:00

abstract：:A new class of recessive Arabidopsis mutants, designated cristal (cri) has been isolated which display several abnormalities reminiscent of hyperhydric symptoms. These characteristics include translucent and wrinkled cotyledons and leaves, abnormal chloroplast organization, a reduced amount of chlorophyll, a reduced d...

journal_title：Planta

authors： Delarue M,Santoni V,Caboche M,Bellini C

更新日期：1997-01-01 00:00:00

abstract：:The purpose of these studies was to find which steps in the biosynthetic pathway of carotenoids in Fusarium are under photoregulation. After separation by column chromatography ζ-carotene, neurosporene, γ-carotene, torulene, neurosporaxanthin and lycopene were identified from their absorption spectra in visible light ...

journal_title：Planta

authors： Bindl E,Lang W,Rau W

更新日期：1970-06-01 00:00:00

abstract：:The giant cells of the petiolar hairs of Heracleum mantegazzianum contain cytoplasmic fibres that are readily visible with phase contrast or interference contrast optics. These fibres are associated with saltatory particle movement and protoplasmic streaming in this cell and are believed to be the living image of simi...

journal_title：Planta

authors： O'Brien TP,McCully ME

更新日期：1970-03-01 00:00:00

abstract：:Cyanelles isolated from the alga Cyanophora paradoxa Korschikoff synthesized cyanelle proteins in vitro. This synthesis was stimulated by light and totally inhibited by chloramphenicol. Cycloheximide had only a small inhibitory effect. Electrophoretic separation of the labelled soluble cyanelle proteins yielded at lea...

journal_title：Planta

authors： Jehn U,Zetsche K

更新日期：1988-01-01 00:00:00

abstract：:The determination of the activities of the enzymes which could be involved in sucrose-starch conversion showed that the first step of this transfer is performed by the sucrose-synthetase. In this reaction UDPG and almost no ADPG is formed. However, under the given conditions the concentration of UDPG is low, and with ...

journal_title：Planta

authors： de Fekete MA

更新日期：1969-12-01 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：:Influx and efflux of anions in leaves of Elodea canadensis were investigated. A major component of phosphate efflux was found to be a function of the external phosphate concentration in accord with saturation kinetics, i.e. it was found to be proportional to phosphate influx. This suggests that the transport structure...

journal_title：Planta

authors： Weigl J

更新日期：1967-12-01 00:00:00

abstract：:A study has been made of plastids in the root meristem of Colchicum autumnale. These organelles contain simultaneously deposits of starch, lipid, and a crystalline material, probably protein. Two types of internal membrane are present within the plastid. One appears to be concerned with the transport of material acros...

journal_title：Planta

authors： Burgess J

更新日期：1969-03-01 00:00:00

abstract：:Protoplasts prepared from the upper epidermis of tobacco (Nicotiana tabacum L.) leaves produce tubular structures which are highly fluorescent in the presence of Calcofluor white. The presence of Ca(2+) in the incubation medium appears to be necessary for the production of these fibers. A commercial cellulase preparat...

journal_title：Planta

authors： Fannin FF,Shaw JG

更新日期：1983-11-01 00:00:00

abstract：:Transmission electron microscopy and immunocytological labeling were used to study the distribution and ontological occurrence of dinitrogenase reductase (Fe-protein) of nitrogenase in cyanobacterial symbionts within young leaves of the water-ferns Azolla filiculoides Lamarck, A. caroliniana Willdenow, and A. pinnata ...

journal_title：Planta

authors： Braun-Howland EB,Lindblad P,Nierzwicki-Bauer SA,Bergman B

更新日期：1988-12-01 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