Interaction between Arabidopsis Brca2 and its partners Rad51, Dmc1, and Dss1.

abstract：:The mode of abscisic acid (ABA) uptake was studied in excised leaf and root tissue discs of sugar beet (Beta vulgaris L.). Discs were incubated in buffered medium that contained 1 mm CaCl(2) and [(14)C]ABA. The sensitivity of ABA uptake to metabolic inhibitors and temperature indicated that the ABA transport system ha...

journal_title：Plant physiology

authors： Daie J,Wyse R

更新日期：1983-06-01 00:00:00

abstract：:Germinating wheat embryos (Triticum vulgare var. Florence) synthesize proteins before the onset of DNA synthesis. The onset of DNA replication occurs at about 15 hours of germination and was shown to depend on proteins synthesized before 9 hours of germination with the use of blasticidin S, a specific inhibitor of pro...

journal_title：Plant physiology

authors： Mory YY,Chen D,Sarid S

更新日期：1972-01-01 00:00:00

abstract：:We have examined the expression of acyl carrier protein (ACP) mRNA levels and ACP activity in leaves, where fatty acids function primarily in membrane synthesis, and in developing soybean seeds, where fatty acids are primarily used for oil storage. An RNA probe transcribed from a synthetic spinach ACP-I gene hybridize...

journal_title：Plant physiology

authors： Hannapel DJ,Ohlrogge JB

更新日期：1988-04-01 00:00:00

abstract：:A method is described for isolating mitochondria from nodules of cowpea (Vigna unguiculata [L.] Walp.) under completely anaerobic conditions. The mitochondria were immediately active when incubated aerobically with substrates, and their respiration rates were higher than mitochondria prepared in air. The mitochondria ...

journal_title：Plant physiology

authors： Rawsthorne S,Larue TA

更新日期：1986-08-01 00:00:00

abstract：:2-Cysteine peroxiredoxins (2-CPs) constitute a ubiquitous group of peroxidases that reduce cell-toxic alkyl hydroperoxides to their corresponding alcohols. Recently, we cloned 2-CP cDNAs from plants and characterized them as chloroplast proteins. To elucidate the physiological function of the 2-CP in plant metabolism,...

journal_title：Plant physiology

authors： Baier M,Dietz KJ

更新日期：1999-04-01 00:00:00

abstract：:Winter- and summertime-active desert annual species were grown at different temperatures to assess their capacity for photosynthetic acclimation. Thermal stability of photosynthesis was determined from responses of chlorophyll fluorescence to increased temperature. Photosynthesis in winter ephemerals grown at 28 degre...

journal_title：Plant physiology

authors： Downton WJ,Berry JA,Seemann JR

更新日期：1984-04-01 00:00:00

abstract：:Seven-day-old dark-grown bean leaves were greened under continuous light. The amount of chlorophyll, the ratio of chlorophyll a to chlorophyll b, the O(2) evolving capacity and the primary photochemical activities of Photosystem I and Photosystem II were measured on the leaves after various times of greening. The prim...

journal_title：Plant physiology

authors： Baker NR,Butler WL

更新日期：1976-10-01 00:00:00

abstract：:Maceration at liquid nitrogen temperatures, use of poly-vinylpyrrolidone, and careful pH control are essential to the isolation of ribosomes and polysomes from deciduous fruit tissue. Characteristics of the ribosomes and constituent RNA are described. The distribution of ribosomes among monomer and polymer forms remai...

journal_title：Plant physiology

authors： Ku LL,Romani RJ

更新日期：1970-04-01 00:00:00

abstract：:This study was designed to address the question: How specific for double bond position and conformation are plant enzymes that act on oleoyl-acyl carrier protein (ACP)? Octadecenoyl-ACPs with cis double bonds at positions [delta]6, [delta]7, [delta]8, [delta]9, [delta]10, [delta]11, or [delta]12 and elaidyl (18:1[delt...

journal_title：Plant physiology

authors： Dormann P,Frentzen M,Ohlrogge JB

更新日期：1994-03-01 00:00:00

abstract：:Synechocystis PCC 6803 contains two types of glutathione peroxidase-like proteins (GPX-1 and GPX-2) that utilize NADPH but not reduced glutathione and unsaturated fatty acid hydroperoxides or alkyl hydroperoxides. The steady-state transcript level of gpx-1 gradually increased under oxidative stress conditions imposed ...

journal_title：Plant physiology

authors： Gaber A,Yoshimura K,Tamoi M,Takeda T,Nakano Y,Shigeoka S

更新日期：2004-09-01 00:00:00

abstract：:In this communication we document the reproducible protocols for the purification of milligram quantities of cytochrome b(5) and NADH-cytochrome b(5) reductase from the microsomal fraction of Pisum sativum. The cytochrome b(5) component of this NADH linked electron transport chain was found to have a molecular mass of...

journal_title：Plant physiology

authors： Jollie DR,Sligar SG,Schuler M

更新日期：1987-10-01 00:00:00

abstract：:Soybean (Glycine max L. Merr.) is a versatile and important agronomic crop grown worldwide. Each year millions of dollars of potential yield revenues are lost due to a root rot disease caused by the oomycete Phytophthora sojae (Kaufmann & Gerdemann). Since the root is the primary site of infection by this organism, we...

journal_title：Plant physiology

authors： Thomas R,Fang X,Ranathunge K,Anderson TR,Peterson CA,Bernards MA

更新日期：2007-05-01 00:00:00

abstract：:The response of the membrane potential to HCO(3) (-) supply has been studied in the cyanobacterium Anabaena variabilis strain M-3 under various conditions. Changes in potential were followed with the aid of the lipophilic cation tetraphenyl phosphonium bromide.Addition of HCO(3) (-) to CO(2)-depleted cells resulted in...

journal_title：Plant physiology

authors： Kaplan A,Zenvirth D,Reinhold L,Berry JA

更新日期：1982-04-01 00:00:00

abstract：:Young plants of five Nicotiana tabacum L. genotypes were examined for activity of nicotine biosynthetic enzymes. Genotypes near isogenic except at two loci each with two alleles controlling nicotine level were used in a comparison of the four homozygous allelic combinations producing high, high intermediate, low inter...

journal_title：Plant physiology

authors： Saunders JW,Bush LP

更新日期：1979-08-01 00:00:00

abstract：:Cell-free extracts from gibberellic acid-treated barley (Hordeum vulgare L. cv. Himalaya) aleurone layers show phosphorylcholine glyceride transferase activity greater than that from control layers. The increase in activity is not prevented by a mixture of amino acid analogs nor by cordycepin under conditions in which...

journal_title：Plant physiology

authors： Ben-Tal Y

更新日期：1974-12-01 00:00:00

abstract：:ZRP4, a 1.4-kb mRNA that preferentially accumulates in roots of young Zea mays L. plants, was identified by isolation of the corresponding cDNA clone. Genomic Southern analysis indicates that the zrp4 gene is represented once in the corn genome. The deduced ZRP4 polypeptide of 39,558 D is rich in leucine, serine, and ...

journal_title：Plant physiology

authors： Held BM,Wang H,John I,Wurtele ES,Colbert JT

更新日期：1993-07-01 00:00:00

abstract：:Phytochrome wild-type gene-[beta]-glucuronidase (PHY-GUS) gene fusions were used in transgenic Arabidopsis to compare the activity levels and light regulation of the PHYA and PHYB promoters and to identify the photoreceptors mediating this regulation. In dark-grown seedlings, both promoters are 4-fold more active in s...

journal_title：Plant physiology

authors： Somers DE,Quail PH

更新日期：1995-02-01 00:00:00

abstract：:The possibility that photosynthetic competence is gratuitous for light-induced chloroplast development in Euglena gracilis var. bacillaris was examined by incubating dark-grown resting cells in the light with DCMU, an inhibitor of photosynthesis. Under these conditions photosynthetic carbon dioxide fixation was inhibi...

journal_title：Plant physiology

authors： Schiff JA,Zeldin MH,Rubman J

更新日期：1967-12-01 00:00:00

abstract：:A MADS-box gene, MdMADS2, was isolated from the apple (Malus x domestica Borkh.) var Fuji and its developmental expression pattern was studied during flower development. MdMADS2 shares a high degree of amino acid sequence identity with the SQUAMOSA subfamily of genes. RNA blot analysis showed that MdMADS2 is transcrib...

journal_title：Plant physiology

authors： Sung SK,Yu GH,An G

更新日期：1999-08-01 00:00:00

abstract：:Cyanobacteria are oxygenic photosynthetic prokaryotes that are the progenitors of the chloroplasts of algae and plants. These organisms harvest light using large membrane-extrinsic phycobilisome antenna in addition to membrane-bound chlorophyll-containing proteins. Similar to eukaryotic photosynthetic organisms, cyano...

journal_title：Plant physiology

authors： Collins AM,Liberton M,Jones HD,Garcia OF,Pakrasi HB,Timlin JA

更新日期：2012-04-01 00:00:00

abstract：:Terpenes are specialized plant metabolites that act as attractants to pollinators and as defensive compounds against pathogens and herbivores, but they also play an important role in determining the quality of horticultural food products. We show that the genome of cultivated apple (Malus domestica) contains 55 putati...

journal_title：Plant physiology

authors： Nieuwenhuizen NJ,Green SA,Chen X,Bailleul EJ,Matich AJ,Wang MY,Atkinson RG

更新日期：2013-02-01 00:00:00

abstract：:Chronic exposure of hybrid poplar (Populus deltoides x trichocarpa) plants to low concentrations of ozone had negative impact upon net photosynthetic capacity, dark respiration, and leaf chlorophyll contents. Exposure to as much as 0.20 microliters per liter O(3) had no immediate effect on net photosynthesis (P(n)), b...

journal_title：Plant physiology

authors： Reich PB

更新日期：1983-10-01 00:00:00

abstract：:Spinach (Spinacia oleracea CV Bloomsdale Long Standing) leaf cytoplasmic starch phosphorylase and rabbit muscle phosphorylase a were inactivated by incubation with partially purified leaf extract in the presence of ATP and Mg(2+). The inactivating factor(s) were heat stable and susceptible to protease attack. Phosphor...

journal_title：Plant physiology

authors： Hammond JB,Preiss J

更新日期：1983-12-01 00:00:00

abstract：:Chromatin isolated from soybean (Glycine max L., var. Wayne) hypocotyls was capable of catalyzing the polymerization of labeled deoxyribonucleoside triphosphate in the presence of the three other deoxyribonucleoside triphosphates into a trichloroacetic acid-insoluble product. This product was insensitive to base hydro...

journal_title：Plant physiology

authors： Leffler HR,O'brien TJ,Glover DV,Cherry JH

更新日期：1971-07-01 00:00:00

abstract：:Elongation of leaves and stem is a key trait for survival of terrestrial plants during shallow but prolonged floods that completely submerge the shoot. However, natural floods at different locations vary strongly in duration and depth, and, therefore, populations from these locations are subjected to different selecti...

journal_title：Plant physiology

authors： Chen X,Pierik R,Peeters AJ,Poorter H,Visser EJ,Huber H,de Kroon H,Voesenek LA

更新日期：2010-10-01 00:00:00

abstract：:A serious limitation to the use of N(O,S)-heptafluorobutyryl isobutyl amino acid derivatives in the analysis of (15)N-labeling kinetics of amino acids in plant tissues, is that the amides glutamine and asparagine undergo acid hydrolysis to glutamate and aspartate, respectively, during derivatization. This led us to co...

journal_title：Plant physiology

authors： Rhodes D,Rich PJ,Brunk DG

更新日期：1989-04-01 00:00:00

abstract：:Red light-induced changes in the gravitropism of roots of Zea mays variety Merit is a very low fluence response with a threshold of 10(-9) moles per square meter and is not reversible by far red light. Blue light also affects root gravitropism but the sensitivity of roots to blue is 50 to 100 times less than to an eq...

journal_title：Plant physiology

authors： Feldman LJ,Briggs WR

更新日期：1987-01-01 00:00:00

abstract：:High performance liquid chromatography analyses revealed that glutathione (GSH) and cysteine are two of the major low molecular weight thiol compounds in maize root extracts. Treatment of maize roots to heat shock temperatures of 40 degrees C resulted in a decrease of cysteine levels and an increase of GSH levels. Pul...

journal_title：Plant physiology

authors： Nieto-Sotelo J,Ho TH

更新日期：1986-12-01 00:00:00

abstract：:The net initial passive flux (J(Ni)) in reconstituted plasma membrane (PM) vesicles from maize (Zea mays) root cells was measured as recently described (P. Pouliquin, J.-P. Grouzis, R. Gibrat ¿1999 Biophys J 76: 360-373). J(Ni) in control liposomes responded to membrane potential or to NO(3)(-) as expected from the Go...

journal_title：Plant physiology

authors： Pouliquin P,Boyer JC,Grouzis JP,Gibrat R

更新日期：2000-01-01 00:00:00

abstract：:A novel flavonol-specific sulfotransferase was partially purified from the shoot tips of Flaveria bidentis var. Angustifolia O.K. (Asteraceae) by chromatography on 3'-phosphoadenosine 5'-phosphate-agarose affinity column and chromatofocusing on Mono P. The latter step resulted in the separation of two isoforms, both o...

journal_title：Plant physiology

authors： Varin L,Ibrahim RK

更新日期：1991-04-01 00:00:00