A kinetic analysis of the facultative photoperiodic response in Amaranthus retroflexus L.

abstract：:Protoplasts of Vicia hajastana Grossh. obtained from suspension-culture cells and Pisum sativum L. obtained from leaves adhered tightly to each other in concentrated solutions of high-molecular-weight polyethylene glycol (PEG). The adhesion occurred non-specifically between the free protoplasts from the same species a...

journal_title：Planta

authors： Kao KN,Michayluk MR

更新日期：1974-12-01 00:00:00

abstract：:The enzymes gibberellin (GA) 20-oxidase and 3-oxidase are major sites of regulation in GA biosynthesis. We have characterised one member of each of the gene families encoding these enzymes that are highly expressed in elongating stems and in developing and germinating grains of wheat and are therefore likely to have p...

journal_title：Planta

authors： Appleford NE,Evans DJ,Lenton JR,Gaskin P,Croker SJ,Devos KM,Phillips AL,Hedden P

更新日期：2006-02-01 00:00:00

abstract：:The symbiosis between legume plants and rhizobia causes the development of new organs, nodules which function as an apparatus for nitrogen fixation. In this study, the roles of auxin in nodule development in Lotus japonicus have been demonstrated using molecular genetic tools and auxin inhibitors. The expression of an...

journal_title：Planta

authors： Takanashi K,Sugiyama A,Yazaki K

更新日期：2011-07-01 00:00:00

abstract：MAIN CONCLUSION:Six types of lignin-carbohydrate complex (LCC) fractions were isolated from Eucalyptus. The acidic dioxane treatment applied significantly improved the yield of LCCs. The extraction conditions had a limited impact on the LCC structures and linkages. Characterization of the lignin-carbohydrate complex (L...

journal_title：Planta

authors： Zhao BC,Xu JD,Chen BY,Cao XF,Yuan TQ,Wang SF,Charlton A,Sun RC

更新日期：2018-05-01 00:00:00

abstract：:Autoregulatory mechanisms have been reported in the rhizobial and the mycorrhizal symbiosis. Autoregulation means that already existing nodules or an existing root colonization by an arbuscular mycorrhizal fungus systemically suppress subsequent nodule formation/root colonization in other parts of the root system. Mut...

journal_title：Planta

authors： Meixner C,Ludwig-Müller J,Miersch O,Gresshoff P,Staehelin C,Vierheilig H

更新日期：2005-11-01 00:00:00

abstract：MAIN CONCLUSION:Provide an evolutionary and an empirical molecular genetic foundation of the Sus gene family in tobacco and will be beneficial for further investigations of Sus gene functions Sucrose synthase (Sus) has been well characterized as the key enzyme participating in sucrose metabolism, and the gene family en...

journal_title：Planta

authors： Wang Z,Wei P,Wu M,Xu Y,Li F,Luo Z,Zhang J,Chen A,Xie X,Cao P,Lin F,Yang J

更新日期：2015-07-01 00:00:00

abstract：:Using gene targeting by homologous recombination in Ceratodon purpureus, we were able to knock out four phytochrome photoreceptor genes independently and to analyze their function with respect to red light dependent phototropism, polarotropism, and chlorophyll content. The strongest phenotype was found in knock-out li...

journal_title：Planta

authors： Mittmann F,Dienstbach S,Weisert A,Forreiter C

更新日期：2009-06-01 00:00:00

abstract：MAIN CONCLUSION:Four polygalacturonase gene family members were highlighted that contribute to elucidate the roles of polygalacturonase during the fertility conversion process in male-sterile wheat. Polygalacturonase (PG) belongs to a large family of hydrolases with important functions in cell separation during plant g...

journal_title：Planta

authors： Ye J,Yang X,Yang Z,Niu F,Chen Y,Zhang L,Song X

更新日期：2020-08-01 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：:Conditions of soil drying and plant growth that lead to non-hydraulic inhibition of leaf elongation and stomatal conductance in maize (Zea mays L.) were investigated using plants grown with their root systems divided between two containers. The soil in one container was allowed to dry while the other container was kep...

journal_title：Planta

authors： Saab IN,Sharp RE

更新日期：1989-11-01 00:00:00

abstract：:FLOWERING LOCUS C (FLC) is a central floral repressor for the determination of flowering time in Arabidopsis. FLC expression is reactivated upon fertilization and regulated during seed development to ensure the appropriate floral behavior; however, the molecular mechanism for this process is largely unknown. Here, we ...

journal_title：Planta

authors： Yun H,Hyun Y,Kang MJ,Noh YS,Noh B,Choi Y

更新日期：2011-12-01 00:00:00

abstract：:Cytoskeleton dynamics during phototropin-dependent chloroplast photorelocation movement was analyzed in protonemal cells of actin- and microtubule-visualized lines of Physcomitrella patens expressing GFP- or tdTomato-talin and GFP-tubulin. Using newly developed epi- and trans-microbeam irradiation systems that permit ...

journal_title：Planta

authors： Yamashita H,Sato Y,Kanegae T,Kagawa T,Wada M,Kadota A

更新日期：2011-02-01 00:00:00

abstract：:The rate of total phytochrome decay in the dicotyledons Amaranthus caudatus, Mirabilis jalapa and Pisum sativum under continuous illumination with red, incandescent, and blue light depends on the PFR/Ptotal maintained by each source. Amaranthus is an exception to this in that there is a deviation from firstorder decay...

journal_title：Planta

authors： Kendrick RE

更新日期：1972-12-01 00:00:00

abstract：:The vacuolar pH of individual cells of the epidermis of intact leaves of Commelina communis L. has been determined using pH sensitive microelectrodes. The results show that the pH of the guard cells increases by approximately 0.5 units during stomatal opening. The changes in vacuolar pH mirror the changes in vacuolar ...

journal_title：Planta

authors： Penny MG,Bowling DJ

更新日期：1975-01-01 00:00:00

abstract：:Enhancement of carbon fixation was demonstrated in the bluegreen alga, Anabaena cylindrica, grown in either aerobic or microaerobic conditions. Under identical conditions no enhancement of acetylene reduction was observed. Light absorbed by photosystem I supported relatively more acetylene reduction than carbon fixati...

journal_title：Planta

authors： Lyne RL,Stewart WD

更新日期：1973-03-01 00:00:00

abstract：:When (3)H-(14)C-acetate was supplied to Chlorella pyrenoidosa in the light, glycollic acid became rapidly labelled with tritium and (14)C. The [Formula: see text]ratio of glycollate was 10, whilst the ratio was 4 in the acetate added. Both (3)H and (14)C from acetate were present in glycollate before they were present...

journal_title：Planta

authors： Merrett MJ,Goulding KH

更新日期：1967-09-01 00:00:00

abstract：:Rapid mobilisation of storage products, including xyloglucan, in cotyledons of germinating nasturtium (Tropaeolum majus L.) normally starts about 7-8 d after imbibition and growth of the seedling at 20-25° C. Levels of activity of endo-1,4-β-glucanase (EC 3.2.1.4) in cotyledons, as assayed viscometrically with xyloglu...

journal_title：Planta

authors： Hensel A,Brummell DA,Hanna R,Maclachlan G

更新日期：1991-02-01 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：: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：: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

authors： Behnke HD

更新日期：1971-03-01 00:00:00

abstract：:The developmental morphology and growth dynamics of the leaf of Nicotiana tabacum L. cv. Xanthi Nc. are described. Epidermal and internal cell patterns indicate that the leaf axis arises from approx. 100 cells in four layers of the shoot apex, while the lamina arises from several rows of cells in each of three layers ...

journal_title：Planta

authors： Poethig RS,Sussex IM

更新日期：1985-08-01 00:00:00

abstract：:Previous studies have led to the identification and characterization of specific, high-affinity binding sites for a hepta-beta-glucoside elicitor in soybean. A survey of plant species for elicitor-binding activity reveals that among the plants tested, the hepta-beta-glucoside elicitor is only recognized by plants belo...

journal_title：Planta

authors： Côté F,Roberts KA,Hahn MG

更新日期：2000-09-01 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

authors： Vianello A,Macri F

更新日期：1978-01-01 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：MAIN CONCLUSION:The PmBiPPro1 promoter of the luminal binding protein (BiP) from Douglas-fir is fully functional in transgenic potato, responsive to wounding, and has high transcriptional activity in tubers. A predefined pattern and level of transgene expression targeted to specific tissues or organs and at a particula...

journal_title：Planta

authors： Yevtushenko DP,Misra S

更新日期：2018-12-01 00:00:00

abstract：MAIN CONCLUSION:The physiological phenotype of potato tubers afflicted by zebra chip disease is characterized by increased oxidative stress metabolism and upregulation of systems for its mitigation. Starch catabolism and extensive buildup of reducing sugars render potatoes infected with zebra chip (ZC) pathogen (Candid...

journal_title：Planta

authors： Kumar GNM,Knowles LO,Knowles NR

更新日期：2017-10-01 00:00:00

abstract：:Etioplasts, etiochloroplasts, and chloroplasts of Avena sativa L. purified on a Percoll gradient were subjected to increasing electric field strengths in the orifice of a hydrodynamically focussing Coulter Counter. The change in resistance of the orifice when an organelle is present correlates well with the size of th...

journal_title：Planta

authors： Pilwat G,Hampp R,Zimmermann U

更新日期：1980-02-01 00:00:00

abstract：:Barley leaves extracted 35 min after a 15-min pulse of 10(-6) M (14)C-labelled cis,trans-(±)-abscisic acid (ABA) showed very little breakdown of the ABA. Leaves extracted 2 h after a 30-min pulse of 10(-5) M labelled ABA showed at least 34% degradation of the hormone. The pattern of degradation was very similar for le...

journal_title：Planta

authors： Cummins WR

更新日期：1973-06-01 00:00:00

abstract：:In Arabidopsis, damage to the superficial acropetal polar auxin transport (PAT) inhibits generative but not vegetative organ initiation. In order to verify whether in a vegetative phase auxin can be transported to the meristem in a different way, the research on wild-type and plants with defective PAT was performed. D...

journal_title：Planta

authors： Banasiak A

更新日期：2011-01-01 00:00:00

abstract：:Gibberellic-acid(GA3)-induced α-amylase has been localised in barley aleurone layers using cytochemical methods and light microscopy. Evidence obtained from the use of a starch substrate film method as well as immunofluorescence indicated that the first amylase to appear in the cell was associated with aleurone grains...

journal_title：Planta

authors： Jacobsen JV,Knox RB

更新日期：1973-09-01 00:00:00