Evidence that root pressure flow is required for calcium transport to head leaves of cabbage.

abstract：:Extracts of immature kernels of Zea mays L. catalyzed the synthesis of indol-3-yl-acetyl-myo-inositol arabinoside from indol-3-yl-acetyl-myo-inositol and UDP-[U-(14)C]xylose. The product contained radioactivity which upon hydrolysis with trifluoroacetic acid cochromatographed with arabinose and not xylose. The amount ...

journal_title：Plant physiology

authors： Corcuera LJ,Bandurski RS

更新日期：1982-12-01 00:00:00

abstract：:LONG HYPOCOTYL5 (HY5) is a bZIP (basic leucine zipper) transcription factor that activates photomorphogenesis and root development in Arabidopsis (Arabidopsis thaliana). Previously, STF1 (soybean [Glycine max] TGACG-motif binding factor 1), a homologous legume protein with a RING-finger motif and a bZIP domain, was re...

journal_title：Plant physiology

authors： Song YH,Yoo CM,Hong AP,Kim SH,Jeong HJ,Shin SY,Kim HJ,Yun DJ,Lim CO,Bahk JD,Lee SY,Nagao RT,Key JL,Hong JC

更新日期：2008-04-01 00:00:00

abstract：:An apparatus for measuring simultaneously the surface electrical potentials along epicotyl was developed to study the largely bending situation by gravity. Potentials increased on the upper side and decreased on the lower side after the horizontal placement. The time course of electrical changes consisted of two compo...

journal_title：Plant physiology

authors： Imagawa K,Toko K,Ezaki S,Hayashi K,Yamafuji K

更新日期：1991-09-01 00:00:00

abstract：:For the last 50 years, scientists have recognized that varying ratios of the plant hormones cytokinin and auxin induce plant cells to form particular tissues: undifferentiated calli, shoot structures, root structures, or a whole plant. Proliferation of undifferentiated callus tissue, greening, and the formation of sho...

journal_title：Plant physiology

authors： Pischke MS,Huttlin EL,Hegeman AD,Sussman MR

更新日期：2006-04-01 00:00:00

abstract：:Recent experiments show that exogenous NADH increases the O(2) consumption and uptake of inorganic ions into isolated corn (Zea mays L. Pioneer Hybrid 3320) root protoplasts (Lin 1982, Proc Natl Acad Sci USA 79: 3773-3776). A mild treatment of protoplasts with trypsin released most of the NADH oxidation system from th...

journal_title：Plant physiology

authors： Lin W

更新日期：1984-02-01 00:00:00

abstract：:Membrane fractions from mature silver beet (Beta vulgaris) deveined leaf and leaf stem homogenates have associated Ca(2+) -dependent protein kinase. The Ca(2+) -dependent protein kinase activity is associated with plasma membranes (density 1.14-1.18 grams per cubic centimeter) as determined from copurification on isop...

journal_title：Plant physiology

authors： Klucis E,Polya GM

更新日期：1988-09-01 00:00:00

abstract：:Zinc finger nucleases (ZFNs) are a powerful tool for genome editing in eukaryotic cells. ZFNs have been used for targeted mutagenesis in model and crop species. In animal and human cells, transient ZFN expression is often achieved by direct gene transfer into the target cells. Stable transformation, however, is the pr...

journal_title：Plant physiology

authors： Marton I,Zuker A,Shklarman E,Zeevi V,Tovkach A,Roffe S,Ovadis M,Tzfira T,Vainstein A

更新日期：2010-11-01 00:00:00

abstract：:Previously, in an effort to better understand the male contribution to fertilization, we completed a maize (Zea mays) sperm expressed sequence tag project. Here, we used this resource to identify promoters that would direct gene expression in sperm cells. We used reverse transcription-polymerase chain reaction to iden...

journal_title：Plant physiology

authors： Engel ML,Holmes-Davis R,McCormick S

更新日期：2005-08-01 00:00:00

abstract：:The influence of growth temperature on the free sugar and sucrose phosphate synthase content and activity of spinach (Spinacia oleracea) leaf tissue was studied. When plants were grown at 25 degrees C for 3 weeks and then transferred to a constant 5 degrees C, sucrose, glucose, and fructose accumulated to high levels ...

journal_title：Plant physiology

authors： Guy CL,Huber JL,Huber SC

更新日期：1992-09-01 00:00:00

abstract：:Zinc is an essential mineral for a wide variety of physiological and biochemical processes. To understand zinc transport in cereals, we identified putative zinc transporters in gene databases. Three full-length cDNAs were identified and characterized from rice (Oryza sativa). Two of the cDNAs partially complemented a ...

journal_title：Plant physiology

authors： Ramesh SA,Shin R,Eide DJ,Schachtman DP

更新日期：2003-09-01 00:00:00

abstract：:Kinetic characteristics of phosphoenolpyruvate carboxylase (PEPC) from the epiphytic C(3) or C(4): CAM intermediate plant, Peperomia camptotricha, were investigated. Few day versus night differences in V(max),K(m(PEP))), or malate inhibition were observed, even in extracts from water-stressed plants which characterist...

journal_title：Plant physiology

authors： Sipes DL,Ting IP

更新日期：1989-11-01 00:00:00

abstract：:A procedure is described for isolating and purifying mesophyll protoplasts and bundle sheath protoplasts of the C(4) plant Panicum miliaceum. Following enzymic digestion of leaf tissue, mesophyll protoplasts and bundle sheath protoplasts are released and purified by density centrifugation. The lower density of mesophy...

journal_title：Plant physiology

authors： Edwards GE

更新日期：1979-05-01 00:00:00

abstract：:A mass spectrometric method combining (16)O/(18)O and (12)C/(13)C isotopes was used to quantify the unidirectional fluxes of O(2) and CO(2) during a dark to light transition for guard cell protoplasts and mesophyll cell protoplasts of Commelina communis L. In darkness, O(2) uptake and CO(2) evolution were similar on a...

journal_title：Plant physiology

authors： Gautier H,Vavasseur A,Gans P,Lascève G

更新日期：1991-02-01 00:00:00

abstract：:Adenosine kinase was partially purified from wheat germ. This enzyme preparation, which was devoid of adenine phosphoribosyltransferase and nearly free of adenosine deaminase but contained adenylate kinase, rapidly phosphorylated adenosine and a cytokinin, N(6)-(delta(2)-isopentenyl)adenosine. Electrophoretic analysis...

journal_title：Plant physiology

authors： Chen CM,Eckert RL

更新日期：1977-03-01 00:00:00

abstract：:We have shown that amide-linked IAA (indole-3-acetic acid) conjugates accumulated to high levels during maturation of bean seeds (K. Bialek and J.D. Cohen [1989] Plant Physiol 91: 775-779). In the present study, we were interested in the fate of these and other IAA conjugates during seed germination. The content of am...

journal_title：Plant physiology

authors： Bialek K,Cohen JD

更新日期：1992-12-01 00:00:00

abstract：:We identified a T-DNA-generated mutation in the chaperonin-60alpha gene of Arabidopsis that produces a defect in embryo development. The mutation, termed schlepperless (slp), causes retardation of embryo development before the heart stage, even though embryo morphology remains normal. Beyond the heart stage, the slp m...

journal_title：Plant physiology

authors： Apuya NR,Yadegari R,Fischer RL,Harada JJ,Zimmerman JL,Goldberg RB

更新日期：2001-06-01 00:00:00

abstract：:The O(2) concentration in intact and osmotically disrupted isolated spinach (Spinacia oleracea, L.) chloroplasts during photosynthesis was estimated. The chloroplasts were allowed to reduce 3-phosphoglycerate, CO(2), or ferricyanide in light until the rate of O(2) production was linear. When the light was turned off O...

journal_title：Plant physiology

authors： Steiger HM,Beck E

更新日期：1977-12-01 00:00:00

abstract：:Respiration utilizing NAD-linked substrates in mitochondria isolated from cotyledons of etiolated peas (Pisum sativum L. var. Homesteader) by sucrose density gradient centrifugation exhibited resistance to rotenone. The inhibited rate of alpha-ketoglutarate oxidation was equivalent to the recovered rate of malate oxid...

journal_title：Plant physiology

authors： Johnson-Flanagan AM,Spencer MS

更新日期：1981-12-01 00:00:00

abstract：:Ribulose-1,5-bisphosphate carboxylase (Rubisco) from the algae Olisthodiscus luteus (chromophyte) and Griffithsia pacifica (rhodophyte) are remarkably similar to each other. However, both enzymes differ significantly in the structure and function when compared to Rubisco from green algae and land plants. Analysis of p...

journal_title：Plant physiology

authors： Newman SM,Derocher J,Cattolico RA

更新日期：1989-11-01 00:00:00

abstract：:Rootless soybean (Glycine max) seedlings were used as a test system to examine the action of auxin on chromatin-directed RNA synthesis. Chromatin from the basal tissue of rootless seedlings (both control and auxin-treated) had RNA synthetic capacity similar to that of chromatin from comparably treated intact seedlings...

journal_title：Plant physiology

authors： Holm RE,Key JL

更新日期：1971-05-01 00:00:00

abstract：:Rhizobia secrete nodulation (Nod) factors, which set in motion the formation of nitrogen-fixing root nodules on legume host plants. Nod factors induce several cellular responses in root hair cells within minutes, but also are essential for the formation of infection threads by which rhizobia enter the root. Based on s...

journal_title：Plant physiology

authors： Smit P,Limpens E,Geurts R,Fedorova E,Dolgikh E,Gough C,Bisseling T

更新日期：2007-09-01 00:00:00

abstract：:Storage protein hydrolysis in the cotyledons of germinating mung beans (Phaseolus aureus Roxb.) was examined by histochemical techniques, and the autolytic capacity of isolated protein bodies was studied with biochemical methods. The localization of endopeptidase activity within the cotyledons was studied using an Ind...

journal_title：Plant physiology

authors： Harris N,Chrispeels MJ

更新日期：1975-08-01 00:00:00

abstract：:ADP-glucose pyrophosphorylase (AGPase) is a key regulatory enzyme in starch biosynthesis. However, plant AGPases differ in several parameters, including spatial and temporal expression, allosteric regulation, and heat stability. AGPases of cereal endosperms are heat labile, while those in other tissues, such as the po...

journal_title：Plant physiology

authors： Linebarger CR,Boehlein SK,Sewell AK,Shaw J,Hannah LC

更新日期：2005-12-01 00:00:00

abstract：:Plants commonly live in a symbiotic association with arbuscular mycorrhizal fungi (AMF). They invest photosynthetic products to feed their fungal partners, which, in return, provide mineral nutrients foraged in the soil by their intricate hyphal networks. Intriguingly, AMF can link neighboring plants, forming common m...

journal_title：Plant physiology

authors： Walder F,Niemann H,Natarajan M,Lehmann MF,Boller T,Wiemken A

更新日期：2012-06-01 00:00:00

abstract：:Stomatal movement, which regulates gas exchange in plants, is controlled by a variety of environmental factors, including biotic and abiotic stresses. The stress hormone abscisic acid (ABA) initiates a signaling cascade, which leads to increased H2O2 and Ca2+ levels and F-actin reorganization, but the mechanism of, an...

journal_title：Plant physiology

authors： Biel A,Moser M,Meier I

更新日期：2020-02-01 00:00:00

abstract：:Salinity-induced alterations in tomato (Lypersicon esculentum Mill. cv Heinz 1350) root plasma membrane properties were studied and characterized using a membrane vesicle system. Equivalent rates of MgATP-dependent H(+)-transport activity were measured by quinacrine fluorescence (DeltapH) in plasma membrane vesicles i...

journal_title：Plant physiology

authors： Suhayda CG,Giannini JL,Briskin DP,Shannon MC

更新日期：1990-06-01 00:00:00

abstract：:The relationship between the rate of orthophosphate (Pi) transport into the stroma and the rate of CO(2) fixation by intact chloroplasts was investigated. High Pi concentrations in the medium lead to a depletion of stromal metabolites, due to excessive Pi transport into the stroma, resulting in the inhibition of CO(2)...

journal_title：Plant physiology

authors： Flügge UI,Freisl M,Heldt HW

更新日期：1980-04-01 00:00:00

abstract：:Foliar applications of 2 milligrams per liter of 2-chloro-4,6-bis (ethylamino)-s-triazine, 2-methylmercapto-4-ethylamino-6-isobutylamino-s-triazine, and 2-methoxy-4-isopropylamino-6-butylamino-s-triazine caused increases in the activities of starch phosphorylase, pyruvate kinase, cytochrome oxidase, and glutamate dehy...

journal_title：Plant physiology

authors： Wu MT,Singh B,Salunkhe DK

更新日期：1971-11-01 00:00:00

abstract：:To gain some insight into the mechanism of plant programmed cell death, certain features of cytochrome c (cyt c) release were investigated in heat-shocked tobacco (Nicotiana tabacum) Bright-Yellow 2 cells in the 2- to 6-h time range. We found that 2 h after heat shock, cyt c is released from intact mitochondria into t...

journal_title：Plant physiology

authors： Vacca RA,Valenti D,Bobba A,Merafina RS,Passarella S,Marra E

更新日期：2006-05-01 00:00:00

abstract：:Recent structure-function analysis of heterologously expressed K+-selective inward-rectifying channels (KIRCs) from plants has revealed that external protons can have opposite effects on different members of the same gene family. An important question is how the diverse response of KIRCs to apoplastic pH is reflected ...

journal_title：Plant physiology

authors： Amtmann A,Jelitto TC,Sanders D

更新日期：1999-05-01 00:00:00