Abstract:
:Leaf tissue of the panicoid grass Pennisetum purpureum (Schum) and of the chloridoid grass Muhlenbergia montana (Hitchcock) were fractionated to produce preparations enriched in the contents of mesophyll and bundle sheath cells. Sucrose phosphate synthetase and sucrose synthetase were found predominantly in the mesophyll tissues of both species, as was uridine-diphosphate-glucose pyrophosphorylase in Pennisetum. In Muhlenbergia this enzyme was more plentiful in the bundle sheath cell fraction.Starch synthetase and adenosine-diphosphate-glucose pyrophosphorylase were plentiful in bundle sheath extracts of both species but phosphorylase was associated with extracts of mesophyll cells. In no case was there a clear-cut compartmentation of enzymes between leaf fractions.
journal_name
Plantajournal_title
Plantaauthors
Bucke C,Oliver IRdoi
10.1007/BF00385403subject
Has Abstractpub_date
1975-01-01 00:00:00pages
45-52issue
1eissn
0032-0935issn
1432-2048journal_volume
122pub_type
杂志文章相关文献
PLANTA文献大全abstract::Homeotic changes played a considerable role during the evolution of flowers, but how floral homeotic mutants initially survive in nature has remained enigmatic. To better understand the evolutionary potential of floral homeotic mutants, we established as a model system Stamenoid petals (Spe), a natural variant of Caps...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-009-1018-z
更新日期:2009-11-01 00:00:00
abstract::Three cDNAs (PgEMB22, 27 and 29) predicted to encode low-molecular-weight (LMW) heat-shock proteins (HSPs) were cloned and characterized from white spruce [Picea glauca (Moench) Voss] somatic embryo tissues by differentially screening a cotyledonary embryo cDNA library. Clone PgEMB22 is predicted to encode a putative ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00196653
更新日期:1996-01-01 00:00:00
abstract::The gibberellins (GAs) of both vegetative (leaves and stems) and reproductive (pods and seeds) tissue of the G2 strain of peas Pisum sativum L. were characterized in purified extracts by a combination of sequential silicic-acid partition column chromatography, and gas chromatography-mass spectrometry. Gibberellins A19...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00387873
更新日期:1982-05-01 00:00:00
abstract::Sieve-tube plastids of Aristolochia (5 species investigated) contain several starch grains and always one large crystalloid. In Asarum (3 species investigated) starch has not been found in the sieve-tubes. Their plastids contain several cuneate crystalloids that are sometimes arranged around an invisible centre. Asaru...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00388406
更新日期:1971-03-01 00:00:00
abstract::The biosynthesis of ethylene was examined in suspension-cultured cells of parsley (Petroselinum hortense) treated with an elicitor from cell walls of Phytophthora megasperma. Untreated cells contained 50 nmol g(-1) of the ethylene precursor, 1-aminocyclopropane-1-carboxylic acid (ACC), and produced ethylene at a rate ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00394581
更新日期:1984-07-01 00:00:00
abstract::Soluble proteins extracted with Tris-buffer pH 8.8 from different mosses are analysed by microgelelectrophoretic method for comparison to the specific proteins present only in the caulonema of Funaria hygrometrica. The protein patterns are also compared with those of liverwort, fern gametophytes and sporophytes and to...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00386825
更新日期:1978-01-01 00:00:00
abstract::Phytochrome per fresh weight in the apical 0.5 cm of the 1.5-cm coleoptile was twice that in the basal 0.5 cm; phytochrome per dry weight and phytochrome per DNA did not vary significantly from the base to the apex. Ratios of phytochrome to fresh or dry weight in the 6-cm coleoptile were nearly constant in the basal 5...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00386911
更新日期:1968-12-01 00:00:00
abstract::The 3-kb external spacer from a maize (Zea mays L. cv. A619) nuclear rRNA gene unit which contains nine highly homologous 200-bp repeat elements was found to include a region with DNA-curvature properties. The centre of curvature was localized within repeats 5 and 6 using a circular permutation assay. A 60-bp-long sub...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00195754
更新日期:1993-01-01 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
pub_type: 杂志文章
doi:10.1007/s00425-009-0998-z
更新日期:2009-10-01 00:00:00
abstract::The aim of this work was to examine the metabolism of exogenous gluconate by a 4-day-old cell suspension culture of Arabidopsis thaliana (L.) Heynh. Release of (14)CO(2) from [1-(14)C]gluconate was dependent on the concentration in the medium and could be resolved into a substrate-saturable component (apparent K(m) of...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-002-0842-1
更新日期:2002-12-01 00:00:00
abstract::A sulfotransferase isolated from the Cyanobacterium Synechococcus 6301 was found to be specific for 3'-phosphoadenosine-5'-phosphosulfate (PAPS). The molecular weight of this transferase has been estimated on a Sephadex-G-100 column to be about 58,000. The K m for PAPS was determined to be 20 μM. The pH optimum was 8....
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00390254
更新日期:1978-01-01 00:00:00
abstract::Out of 33 strains of unicellular algae examined, H2 evolution was observed only in species of Chlamydomonas, Chlorella and Scenedesmus. While the photoevolution of H2 by these algae was generally stimulated both by an organic substrate and by the uncoupler CCCP(1), response to DCMU varied. On the basis of the response...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00385481
更新日期:1970-09-01 00:00:00
abstract::cis-Zeatin riboside was identified in transfer-RNA hydrolysates from both normal and crown-gall tissue of Vinca rosea L. The trans-isomer was associated exclusively with the crowngall transfer-RNA. The importance of these observations is discussed in relation to biosynthesis of free cytokinins. ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00392990
更新日期:1983-10-01 00:00:00
abstract::Sequestered particles of phytochrome (SAPs) were partially purified from red-light-irradiated oat coleoptiles. Phytochrome pelletability was enhanced by using buffers containing 10 mM Mg(2+) or high concentrations (0.6-0.8 M) of orthophosphate (Pi). Combining the pelletability of phytochrome in the presence of Mg(2+) ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00197798
更新日期:1991-01-01 00:00:00
abstract::Alfalfa (Medicago sativa L. cv. Canadian No. 1), tobacco (Nicotiana tabacum L. var. humilis) and wheat (triticum monococcum L.) cells were grown in a defined, liquid medium containing either ammonium sulfate, L-glutamine or potassium nitrate as the sole nitrogen source, and the effects of the tricarboxylic-acid (TCA) ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00388630
更新日期:1978-01-01 00:00:00
abstract::Calli were initiated from carrot (Daucus carota L. subsp. sativus Hoffm.) root expiants and grown on media supplemented with a combination of carbenicillin at 0.3 mg/ml and vancomycin at 0.1 mg/ml in the absence of plant hormones or hormone analogs. The growth rate was about half of that obtained with a combination of...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00202962
更新日期:1991-11-01 00:00:00
abstract::Leaf and minor vein structure were studied in Arabidopsis thaliana (L.) Heynh. to gain insight into the mechanism(s) of phloem loading. Vein density (length of veins per unit leaf area) is extremely low. Almost all veins are intimately associated with the mesophyll and are probably involved in loading. In transverse s...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s004250000268
更新日期:2000-06-01 00:00:00
abstract::In order to better understand the various pathways of sucrose and starch catabolism in the anther of lily (Lilium hybrida var. "Enchantment"), invertase (EC 3.2.1.26) and amylase (EC 3.2.1.1, EC 3.2.1.2) activities were measured separately in different fractions (anther wall, locular fluid and microspore/pollen) and c...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-006-0443-5
更新日期:2007-05-01 00:00:00
abstract::Intact chloroplasts capable of high rates of CO2 assimilation completely oxidized 3-phosphoglycerate and dihydroxyacetone phosphate to glycolate when CO2 concentrations were low. Bicarbonate was converted first into products of the Calvin cycle and then into glycolate. Under high oxygen and at high pH values CO2 fixat...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00388894
更新日期:1976-01-01 00:00:00
abstract::A group of frequent cDNA clones from a young-leaf cDNA library was found to code for a homologue of S-ribonucleases (S-RNases) involved in gametophytic incompatibility and the so-called S-like RNases active in flowers and in vegetative tissues. The derived amino acid sequence starts with a signal peptide and has a 27-...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s004250050046
更新日期:2000-03-01 00:00:00
abstract::Putative potassium-transport-deficient mutant strains of Chlamydomonas reinhardtii Dang. were induced by ultra-violet mutagenesis and were identified by their dependence on abnormally high concentrations of potassium for growth. Potassium transport studies employing (86)Rb as a tracer were carried out with wild-type c...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00393508
更新日期:1985-02-01 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
pub_type: 杂志文章
doi:10.1007/BF00446377
更新日期:1986-01-01 00:00:00
abstract::Transamination between γ-aminobutyrate and α-ketoglutarate provides a pathway for the utilization of γ-aminobutyrate in fruit-bodies of Agaricus bisporus Lge. This reaction leads to the formation of succinic semialdehyde, a metabolic intermediate in the metabolism of γ-aminobutyrate to succinate in the cell. γ-aminobu...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00387833
更新日期:1976-01-01 00:00:00
abstract:MAIN CONCLUSION:This study confirms a high level of metabolic resistance to the herbicide chlorsulfuron, inherited by a single dominant gene in a sorghum genotype (GL-1). Chlorsulfuron, an acetolactate synthase (ALS)-inhibitor, effectively controls post-emergence grass and broadleaf weeds but is not registered for use ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-020-03563-3
更新日期:2021-01-23 00:00:00
abstract::The uptake and conversion of NO 2 (-) and the effect of NO 2 (-) on the uptake and reduction of NO 3 (-) were examined in N-depleted Phaseolus vulgaris L. Nitrite uptake at 0.1 mmol dm(-3) was against an electrochemical gradient and became constant after one or two initial phases. Steadystate uptake declined with incr...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00393729
更新日期:1982-12-01 00:00:00
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
pub_type: 杂志文章
doi:10.1007/BF00394437
更新日期:1977-01-01 00:00:00
abstract:MAIN CONCLUSION:Distribution of Conyza species is well correlated with human interference. Multiple herbicide resistance is caused by the attempt to overcome resistance to one mode of action by overuse of another. Conyza canadensis (CC) and Conyza bonariensis (CB) are troublesome weeds around the world. Extensive use o...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-015-2306-4
更新日期:2015-07-01 00:00:00
abstract::Zearalenone (F-2), an estrogenic factor produced by a number of Fusarium spp., stimulates a leakage of electrolytes, β-cyanin and aminoacids from three plant tissues. F-2 inhibits rubidium uptake in roots of Zea mays L. and Beta vulgaris L. var. rubra. However the effect in the latter tissue is evident after long-term...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00389051
更新日期:1978-01-01 00:00:00
abstract::Excised wheat (Triticum aestivum L.) and field pea (Pisum arvense L.) roots, incubated under anaerobic conditions or in the presence of uncouplers of oxidative phosphorylation [2,4-dinitrophenol (DNP), carbonylcyanide-m-chlorophenylhydrazone, pentachlorophenol] accumulated nitrite as a result of an inhibition of nitri...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/BF00385149
更新日期:1981-07-01 00:00:00
abstract:MAIN CONCLUSION:Site-specific changes of photosynthesis, a relatively new concept, can be used to improve the productivity of critical food crops to mitigate the foreseen food crisis. Global food security is threatened by an increasing population and the effects of climate change. Large yield improvements were achieved...
journal_title:Planta
pub_type: 杂志文章,评审
doi:10.1007/s00425-019-03223-1
更新日期:2019-10-01 00:00:00