abstract：:In leek (Allium ampeloprasum L.) a cyclic system of somatic embryogenesis was developed. Somatic embryos used for cyclic embryogenesis were able to develop the same type of embryogenic callus as zygotic embryos in the primary cycle. For the first time a comparison of the efficiencies of both expiants was made. Ten fam...

journal_title：Plant cell reports

authors： Schavemaker CM,Jacobsen E

更新日期：1995-01-01 00:00:00

abstract：:A reliable protocol for the transformation of cultivated sunflower (Helianthus annuus L.) has been established, based on microprojectile bombardment of half shoot apices in combination with Agrobacterium tumefaciens coculture. Transgenic shoots have been obtained from 5 inbred lines, although transformation efficienci...

journal_title：Plant cell reports

authors： Knittel N,Gruber V,Hahne G,Lénée P

更新日期：1994-12-01 00:00:00

abstract：:An endo-pectate lyase (PL; EC 4.2.2.2), originally cloned fiom the phytopathogenic bacterium Erwinia chrysanthemi EC16, was expressed in recA (-) E. coli strain DK1, purified to a single band by isoelectric focusing and used to induce berberine production in established plant suspension cultures of Thalictrum minus L....

journal_title：Plant cell reports

authors： Smolko DD,Peretti SW

更新日期：1994-12-01 00:00:00

abstract：:A cDNA clone encoding an ADP-ribosylation factor from potato (Solanum tuberosum L.) was isolated. The nucleotide and deduced amino acid sequences show high homology to known ADP-ribosylation factor sequences from Arabidopsis, yeast, cow and man. In northern blot experiments, all tissues analysed showed expression of t...

journal_title：Plant cell reports

authors： Szopa J,Müller-Röber B

更新日期：1994-12-01 00:00:00

abstract：:Plum hypocotyl slices were transformed with the coat protein (CP) gene of plum pox virus (PPV-CP) following cocultivation with Agrobacterium tumefaciens containing the plasmid pGA482GG/PPVCP-33. This binary vector carries the PPV-CP gene construct, as well as the chimeric neomycin phosphotransferase and β-glucuronidas...

journal_title：Plant cell reports

authors： Scorza R,Ravelonandro M,Callahan AM,Cordts JM,Fuchs M,Dunez J,Gonsalves D

更新日期：1994-11-01 00:00:00

abstract：:Shoot cultures of Allium sativum L. were established from stem-tip and scape-tip. Various combinations of media, growth regulators were compared. The best establishment and proliferation of stem-tip and scape-tip explants were obtained on MS medium containing 0.5 mg l(-1) NAA and 0.5 mg l(-1) KT. The roots were produc...

journal_title：Plant cell reports

authors： Ma Y,Wang HL,Zhang CJ,Kang YQ

更新日期：1994-11-01 00:00:00

abstract：:Plant regeneration via somatic embryogenesis was achieved in callus cultures derived from nodal explants of in vitro grown seedlings and excised mature zygotic embryos of three bamboo species on Murashige and Skoog's (MS) basal medium supplemented with 0.5 mg/l kinetin (Kn), 2.0 mg/l 2,4-dichlorophenoxyacetic acid (2,...

journal_title：Plant cell reports

authors： Rout GR,Das P

更新日期：1994-09-01 00:00:00

abstract：:Factors involved in promoting caulogenesis from hypocotyl explants of Phyllanthus fraternus were studied. Hypocotyl explants were cultured on B5 medium supplemented with 2,4-D or NAA in the presence and absence of BAP (at concentrations 0, 10(-7), 10(-6) and 10(-5)M). Adventitious shoots differentiated from callus dev...

journal_title：Plant cell reports

authors： Rajasubramaniam S,Pardha Saradhi P

更新日期：1994-08-01 00:00:00

abstract：:Processes involved in transformation of regenerable soybean (Glycine max (L.) Merrill) immature zygotic cotyledons were studied by assaying the transient expression of the β-glucuronidase gene driven by the 35S promoter and terminated at the 3' end by the soybean 7S storage protein gene. The plasmid containing the chi...

journal_title：Plant cell reports

authors： Moore PJ,Moore AJ,Collins GB

更新日期：1994-07-01 00:00:00

abstract：:A protocol for whole plant regeneration of Cicer arietinum L. cv. C-235 via organogenesis from callus has been developed. Callus initiation was best when immature leaflets were cultured on MS medium containing 5 or 25 μM 2,4-D or NAA in combination with 10 μM BA, or 25 μM 2,4-D alone. The callus grew most vigorously o...

journal_title：Plant cell reports

authors： Barna KS,Wakhlu AK

更新日期：1994-06-01 00:00:00

abstract：:Plating rice anthers on a semisolid induction medium containing 250 or 500 mg/l colchicine for 24 or 48 h-incubations followed by transfer to colchicine-free medium and standard anther culture procedures resulted in overall 1.5- to 2.5- fold increases in doubled haploid green plant productions compared to control anth...

journal_title：Plant cell reports

authors： Alemanno L,Guiderdoni E

更新日期：1994-05-01 00:00:00

abstract：:Callus cultures of Vitis labruscana cv. Concord were initiated from both immature fruit and petiole tissue. Analysis revealed that the acid hydrolyzable precursors to β-damascenone, a compound important to the flavor of most grape species, were present in both callus types. Light and increased sucrose concentration we...

journal_title：Plant cell reports

authors： Shure KB,Acree TE

更新日期：1994-05-01 00:00:00

abstract：:A protocol for protoplast isolation was developed and tested with five Capsicum genotypes representing two cultivated species, C. annuum and C. chinense. Key variables included growth conditions for source plants and the concentration of mannitol used as osmoticum. Protoplasts isolated from each of the genotypes becam...

journal_title：Plant cell reports

authors： Murphy JF,Kyle MM

更新日期：1994-04-01 00:00:00

abstract：:The promotive effect of ethylene inhibitors (Els), i.e. AgNO3 and aminoethoxyvinylglycine (AVG) on de novo shoot regeneration from cultured cotyledonary explants of Brassica campestris ssp. pekinensis cv. Shantung in relation to polyamines (PAs) was investigated. The endogenous levels of free putrescine and spermidine...

journal_title：Plant cell reports

authors： Chi GL,Lin WS,Lee JE,Pua EC

更新日期：1994-03-01 00:00:00

abstract：:Two clones of Populus nigra L. were tested in vivo and in vitro for their susceptibility to three different Agrobacterium tumefaciens wild-type strains evaluating number and size of resulting calluses. Strain C58 proved to be the most virulent.Various parameters affecting Agrobacterium-mediated transformation of P. ni...

journal_title：Plant cell reports

authors： Confalonieri M,Balestrazzi A,Bisoffi S

更新日期：1994-02-01 00:00:00

abstract：:Shoot buds of ginger were successfully encapsulated in 4% sodium alginate gel. Encapsulated buds were germinated in vitro to form roots and shoots. In vitro germination (emergence of sprouts) of encapsulated buds ranged from 16.7% to 81.8% on different media after 5 weeks of incubation. Normal plantlets with an averag...

journal_title：Plant cell reports

authors： Sharma TR,Singh BM,Chauhan RS

更新日期：1994-02-01 00:00:00

abstract：:Cotyledon explants of muskmelon (Cucumis melo L., cv. Amarillo Oro) seedlings were co-cultivated with disarmed Agrobacterium tumefaciens strain LBA4404 that contained the binary vector plasmid pBI121.1. The T-DNA region of this binary vector contains the Nopaline synthase/neomycin phosphotransferase II (NPTII) chimeri...

journal_title：Plant cell reports

authors： Vallés MP,Lasa JM

更新日期：1994-01-01 00:00:00

abstract：:Mesophyll derived protoplasts of Solanum khasianum Clarke and S. aculeatissimum Jacq. were fused by electrofusion and resulted in interspecific hybrids. In total, 249 calluses were obtained from which more than 65% produced shoots. From the regenerated plantlets 45% could be identified as hybrids by chromosome counts ...

journal_title：Plant cell reports

authors： Stattmann M,Gerick E,Wenzel G

更新日期：1994-01-01 00:00:00

abstract：:DNA fingerprints generated by the Jeffreys' probes, 33.6 and 33.15, indicated the presence of minisatellite-like sequences in the red clover genome. The fingerprints generated by probe 33.6 gave less background and fewer but better defined bands than those obtained with probe 33.15. Assay of a regenerative somaclonal ...

journal_title：Plant cell reports

authors： Nelke M,Nowak J,Wright JM,McLean NL

更新日期：1993-12-01 00:00:00

abstract：:Hypocotyl explants of Albizzia julibrissin were placed on Gamborg's B5 medium supplemented with various levels of paclobutrazol, uniconazole, prohexadione calcium, or GA3. Callus formation was evident within one week after placement of the explants on the culture media. Green nodule-like structures protruded from the ...

journal_title：Plant cell reports

authors： Sankhla D,Davis TD,Sankhla N

更新日期：1993-12-01 00:00:00

abstract：:A procedure to produce fruits from cultured shoot tips of Cucumis sativus L. cultivar 'Marketmore-76' in vitro is described. Four-week-old shoot tips, derived from sterile germinated seedlings on a MS medium, were cultured in a 3.8-1 Mason jar using an automated plant culture system. Tips readily generated roots, leav...

journal_title：Plant cell reports

authors： Tisserat B,Galletta PD

更新日期：1993-11-01 00:00:00

abstract：:Donor plants of Hordeum vulgare L. cv. Igri were grown in a conditioned environment to minimise fluctuations in the composition of the microspore population. After isolation different types of microspores were identified within each population, amongst others an embryogenic subpopulation. It was shown that the optimum...

journal_title：Plant cell reports

authors： Hoekstra S,van Zijderveld MH,Heidekamp F,van der Mark F

更新日期：1993-10-01 00:00:00

abstract：:The effects of cytokinins on the different branches of the indole alkaloid pathway were investigated in Catharanthus roseus cell cultures. Addition of zeatin to a 2,4-dichlorophenoxyacetic acid-containing medium decreased tryptamine levels and increased the bioconversion of secologanin to ajmalicine. Zeatin also enhan...

journal_title：Plant cell reports

authors： Decendit A,Petit G,Andreu F,Doireau P,Mérillon JM,Rideau M

更新日期：1993-10-01 00:00:00

abstract：:Photosynthetically active callus and cell suspension cultures were established from uninfected Lycopersicon peruvianum plants and from uninfected and potato spindle tuber viroid (PSTVd) infected plants of Lycopersicon esculentum cv. Rutgers. Viroid infection was maintained in photoheterotrophic culture on media contai...

journal_title：Plant cell reports

authors： Stöcker S,Guitton MC,Barth A,Mühlbach HP

更新日期：1993-09-01 00:00:00

abstract：:We developed an efficient procedure for transformation and regeneration of L. esculentum cv. Moneymaker from cotyledon explants. The effect of two parameters on the transformation frequency was investigated in detail. The use of feeder layers during cocultivation proved to be critical. In addition, it was found that A...

journal_title：Plant cell reports

authors： van Roekel JS,Damm B,Melchers LS,Hoekema A

更新日期：1993-09-01 00:00:00

abstract：:Green plants were repeatedly regenerated from suspension-derived protoplasts of Kentucky blue grass (Poa pratensis L.) cv. "Geronimo". One suspension was capable of donating competent protoplasts during long-term culture i. e. 10-16 months after its establishment. The plating efficiency of the protoplasts from three d...

journal_title：Plant cell reports

authors： Nielsen KA,Larsen E,Knudsen E

更新日期：1993-08-01 00:00:00

abstract：:In vitro plant regeneration via embryogenesis was obtained in suspension cultures of Datura innoxia Mill. Embryogenesis was induced in suspension cultures raised from callus of androgenetic origin, using LS liquid medium supplemented with 0.22 mg/l 2,4-D. The total number of embryos formed was variable over time in cu...

journal_title：Plant cell reports

authors： Sharma VK,Jethwani V,Kothari SL

更新日期：1993-08-01 00:00:00

abstract：:The cauliflower mosaic virus 35S (35S) and the enhanced 35S (E35S) promoters fused with maize alcohol dehydrogenase (Adh1) intron1 or maize shrunken locus (sh1) intronl along with maize Adh1 and rice actin (Act1) promoters fused to their respective first introns were tested for transient expression of the E.coli β-glu...

journal_title：Plant cell reports

authors： Chibbar RN,Kartha KK,Datla RS,Leung N,Caswell K,Mallard CS,Steinhauer L

更新日期：1993-07-01 00:00:00

abstract：:An early identification of fusion products was based on the presumed vigorous growth of hybrid calluses after fusion between Solanum brevidens and S. tuberosum leaf protoplasts. The S. brevidens protoplasts were unable to form multicellular colonies under the applied culture conditions. Three size groups of calluses w...

journal_title：Plant cell reports

authors： Polgár Z,Preiszner J,Dudits D,Fehér A

更新日期：1993-05-01 00:00:00

abstract：:Protoplasts derived from oat (Avena sativa L.) suspension culture cells (7 days after subculturing) were electroporated with plasmid DNA containing the Escherichia coli uidA gene encoding the ß-glucuronidase reporter enzyme. Consistently high enzyme activity was observed with electroporation conditions of 500 μF and 1...

journal_title：Plant cell reports

authors： Higgs DC,Colbert JT

更新日期：1993-05-01 00:00:00

abstract：:The effects of NaCl, feeder cells and the embedding of protoplasts in calcium alginate have been investigated in an attempt to improve culture conditions of recalcitrant sugar beet (Beta vulgaris L.) mesophyll protoplasts. While the use of NaCl in all instances proved detrimental to protoplast development, the other t...

journal_title：Plant cell reports

authors： Hall RD,Pedersen C,Krens FA

更新日期：1993-04-01 00:00:00

abstract：:Transgenic papaya (Carica papaya L.) plants were regenerated from embryogenic cultures that were cocultivated with a disarmed C58 strain of Agrobacterium tumefaciens containing one of the following binary cosmid vectors: pGA482GG or pGA482GG/cpPRV-4. The T-DNA region of both binary vectors includes the chimeric genes ...

journal_title：Plant cell reports

authors： Fitch MM,Manshardt RM,Gonsalves D,Slightom JL

更新日期：1993-03-01 00:00:00

abstract：:An efficient culture system has been developed for repeated cycles of somatic embryogenesis in microspore-derived embryos of Brassica juncea without a callus phase. Haploid embryos produced through anther culture showed a high propensity for direct production of somatic embryos in response to 2 mgL(-1) BA and 0.1 mgL(...

journal_title：Plant cell reports

authors： Prabhudesai V,Bhaskaran S

更新日期：1993-03-01 00:00:00

abstract：:A test system for root regeneration was developed that consists of stem slices of apple shoots (ca. 0.5 mm thick; fresh weight ca. 1 mg). Roots regenerated synchronously without intervening callus formation and without interference with compounds originating from other parts of the plant. Supply of indolebutyric acid ...

journal_title：Plant cell reports

authors： Van der Krieken WM,Breteler H,Visser MH,Mavridou D

更新日期：1993-02-01 00:00:00

abstract：:Haploid plants were regenerated from cultured unfertilized ovaries of Hordeum vulgare L. (barley). Optimal response was obtained by the addition of 0.6 μM 4-chloro-2-methylphenoxyacetic acid (MCPA), 2.8 μM indole-3-acetic acid (IAA) and 4.4 μM 6-benzyladenine (BA) in the N6 medium. Further increase in the rate of call...

journal_title：Plant cell reports

authors： Castillo AM,Cistué L

更新日期：1993-01-01 00:00:00

abstract：:5-Deoxy-(iso)flavonoids are biosynthesized from 6'-deoxychalcone (isoliquiritigenin). The coaction of a reductase with chalcone synthase (CHS) has been established in soybean cells to be responsible for the synthesis of 6'-deoxychalcone. Western blot analysis of crude extracts from cultured cells of Glycyrrhiza echina...

journal_title：Plant cell reports

authors： Haranô K,Okada N,Furuno T,Takahashi T,Ayabe S,Welle R

更新日期：1993-01-01 00:00:00

abstract：:Highly viable protoplasts were isolated in large numbers from in vitro-grown leaf and stem tissues of a haploid clone of the apple scion cultivar Golden Delicious (Malus Xdomestica Borkh.). Protoplasts from both sources divided rapidly to give microcallus, when cultured in a modified Kao and Michayluk-based medium. Fo...

journal_title：Plant cell reports

authors： Patat-Ochatt EM,Boccon-Gibod J,Duron M,Ochatt SJ

更新日期：1993-01-01 00:00:00

abstract：:Kanamycin-resistant plants of belladonna (Atropa belladonna) were obtained after Agrobacterium mediated transformation. When a rolC gene, which is one of the loci located on Ri plasmid of Agrobacterium rhizogenes, was co-introduced with a kanamycin resistant (NPT II) gene under control of a cauliflower mosaic virus 35...

journal_title：Plant cell reports

authors： Kurioka Y,Suzuki Y,Kamada H,Harada H

更新日期：1992-12-01 00:00:00

abstract：:A system to regenerate fertile rice (Oryza sativa L.) plants (both indica and japonica varieties) from protoplasts isolated from anther-derived embryogenic haploid suspension cultures has been established. Green plants were regenerated from protoplast-derived cell clusters five months after suspension culture initiati...

journal_title：Plant cell reports

authors： Su RC,Rudert ML,Hodges TK

更新日期：1992-12-01 00:00:00

abstract：:To improve turfgrasses using genetic engineering, we have developed a transformation system in turf-type tall fescue, one of the most important turfgrass species. Embryogenic cell cultures were established after callus induction from embryos of mature seed. The agarose-bead method with nurse cells was used to culture ...

journal_title：Plant cell reports

authors： Ha SB,Wu FS,Thorne TK

更新日期：1992-11-01 00:00:00