abstract：:We report here knock-in of diphteria toxin A chain (dta) gene at the Ins2 locus, using the strategy previously employed to insert lacZ under control of the Ins2 promoter. Mutant Ins2(dta/+), Ins2(dta/lacZ) or Ins2(lacZ/+) mouse pups were generated by breeding and analyzed to study the effects of toxigenetic beta-cell ...

journal_title：Transgenic research

authors： Lamotte L,Jackerott M,Bucchini D,Jami J,Joshi RL,Deltour L

更新日期：2004-10-01 00:00:00

abstract：:The maize polyubiquitin-1 (Ubi-1) promoter is one of a few select promoters used to express foreign genes in monocots, such that recombinant proteins can be produced at commercially viable levels. Modifying the activity, specificity and responsiveness of such promoters provides a means to achieve desired levels and pa...

journal_title：Transgenic research

authors： Streatfield SJ,Magallanes-Lundback ME,Beifuss KK,Brooks CA,Harkey RL,Love RT,Bray J,Howard JA,Jilka JM,Hood EE

更新日期：2004-08-01 00:00:00

abstract：:Sugarbeets carrying superoxide dismutase transgenes were developed in order to investigate the possibility of enhancing their resistance to oxidative stress. Binary T-DNA vectors carrying the chloroplastic and cytosolic superoxide dismutase genes from tomato, were used for Agrobacterium-mediated transformation of suga...

journal_title：Transgenic research

authors： Tertivanidis K,Goudoula C,Vasilikiotis C,Hassiotou E,Perl-Treves R,Tsaftaris A

更新日期：2004-06-01 00:00:00

abstract：:It is generally believed that too high or low levels of endothelin-1 (ET-1), a strong vasoconstrictor, may be detrimental to animals. Therefore, in order to understand the in vivo function of ET-1, we used a conditional transgenic approach, Cre/loxP recombination system, to generate transgenic mice that over-express E...

journal_title：Transgenic research

authors： Lo AC,Fung MK,Au CL,Chan TS,Sauer B,Chung SS,Chung SK

更新日期：2004-04-01 00:00:00

abstract：:Tobacco leaf discs were transformed with a plasmid, pBIPTA, containing the selectable marker neomycin phosphotransferase gene (nptII) and Pinellia ternata agglutinin gene (pta) via Agrobacterium tumefaciens-mediated transformation. Thirty-two independent transgenic tobacco plants were regenerated. PCR and Southern blo...

journal_title：Transgenic research

authors： Yao J,Pang Y,Qi H,Wan B,Zhao X,Kong W,Sun X,Tang K

更新日期：2003-12-01 00:00:00

abstract：:T-DNA activation tagging was used to generate tobacco mutants with increased tolerance to antimicrotubular herbicides and chilling stress. After transformation, protoplast-derived calli were screened for tolerance to treatments that affect microtubule assembly. In one screen mutants with tolerance to aryl carbamates (...

journal_title：Transgenic research

authors： Ahad A,Wolf J,Nick P

更新日期：2003-10-01 00:00:00

abstract：:Over the past 15 years researchers have generated stable lines of several species of transgenic fish important for aquaculture. 'All-fish' growth hormone (GH) gene constructs and antifreeze protein (AFP) genes have been successfully introduced into the fish genome resulting in a significant acceleration of growth rate...

journal_title：Transgenic research

authors： Zbikowska HM

更新日期：2003-08-01 00:00:00

abstract：:The Saccharomyces cerevisiae chitinase, encoded by the CTS1-2 gene has recently been confirmed by in vitro tests to possess antifungal abilities. In this study, the CTS1-2 gene has been evaluated for its in planta antifungal activity by constitutive overexpression in tobacco plants to assess its potential to increase ...

journal_title：Transgenic research

authors： Carstens M,Vivier MA,Pretorius IS

更新日期：2003-08-01 00:00:00

abstract：:Human endogenous retrovirus-R (HERV-R) is one of a full length HERV with a long open reading frame in the env region. The env transcripts are expressed in various human tissues. To investigate the biological role of HERV-R in vivo, we established two lines of transgenic rats carrying a full sequence of HERV-R under co...

journal_title：Transgenic research

authors： Tanaka S,Ikeda H,Otsuka N,Yamamoto Y,Sugaya T,Yoshiki T

更新日期：2003-06-01 00:00:00

abstract：:Tritrophic interactions between transgenic potato expressing the insecticidal lectin from snowdrop (Galanthus nivalis agglutinin; GNA), an aphid pest, Myzus persicae (Sulz.), and a beneficial predator, the 2-spot ladybird (Adalia bipunctata L.) were investigated. Clonal plants expressing GNA at 0.1-0.2% total soluble ...

journal_title：Transgenic research

authors： Down RE,Ford L,Woodhouse SD,Davison GM,Majerus ME,Gatehouse JA,Gatehouse AM

更新日期：2003-04-01 00:00:00

abstract：:We have analyzed effects of a matrix attachment region (MAR) from the tobacco RB7 gene on transgene expression from six different promoters in stably transformed tobacco cell cultures. The presence of MARs flanking the transgene increased expression of constructs based on the constitutive CaMV 35S, NOS, and OCS promot...

journal_title：Transgenic research

authors： Mankin SL,Allen GC,Phelan T,Spiker S,Thompson WF

更新日期：2003-02-01 00:00:00

abstract：:A plastid transformation protocol was developed for Lesquerella fendleri, a species with a high capacity for plant regeneration in tissue culture. Transformation vector pZS391B carried an aadA16gfp marker gene conferring streptomycin-spectinomycin resistance and green fluorescence under UV light. Biolistic transformat...

journal_title：Transgenic research

authors： Skarjinskaia M,Svab Z,Maliga P

更新日期：2003-02-01 00:00:00

abstract：:The definition of a disease is fundamentally difficult, even if one considers only genetically based diseases. In its broadest sense, disease can be defined as any deviation from the norm that results in a physiological disadvantage. Natural selection ensures that the norm for any given species is constantly changing....

journal_title：Transgenic research

authors： Wassenegger M

更新日期：2002-12-01 00:00:00

abstract：:Transgenic plants severely suppressed in the activity of cinnamoyl-CoA reductase were produced by introduction of a partial sense CCR transgene into tobacco. Five transgenic lines with CCR activities ranging from 2 to 48% of wild-type values were selected for further study. Some lines showed a range of aberrant phenot...

journal_title：Transgenic research

authors： O'Connell A,Holt K,Piquemal J,Grima-Pettenati J,Boudet A,Pollet B,Lapierre C,Petit-Conil M,Schuch W,Halpin C

更新日期：2002-10-01 00:00:00

abstract：:The FK506-binding proteins (FKBPs) belong to the peptidyl prolyl cis-trans isomerase (PPIase) family, and catalyse the rotation of the peptide bond preceding a proline. They are conserved in organisms from bacteria to man. In order to understand the function of plant FKBP isoforms, we have produced transgenic wheat pl...

journal_title：Transgenic research

authors： Kurek I,Stöger E,Dulberger R,Christou P,Breiman A

更新日期：2002-08-01 00:00:00

abstract：:Embryonic stem (ES) cells provide a unique tool for cell-mediated gene transfer and targeted gene mutations due to the possibility of in vitro selection of desired genotypes. When selected cells contribute to the germ line in chimaeric embryos, transgenic animals may be generated with modified genetic traits. Though t...

journal_title：Transgenic research

authors： Béjar J,Hong Y,Alvarez MC

更新日期：2002-06-01 00:00:00

abstract：:The cDNA for bovine spleen trypsin inhibitor (SI), a homologue of bovine pancreatic trypsin inhibitor (BPTI), including the natural mammalian presequence was expressed in tobacco using Agrobacterium tumefaciens-mediated transformation. Stable expression required the N-terminal targeting signal presequence although sub...

journal_title：Transgenic research

authors： Christeller JT,Burgess EP,Mett V,Gatehouse HS,Markwick NP,Murray C,Malone LA,Wright MA,Philip BA,Watt D,Gatehouse LN,Lövei GL,Shannon AL,Phung MM,Watson LM,Laing WA

更新日期：2002-04-01 00:00:00

abstract：:Transgenic mouse models mediating conditional temporal and spatial regulation of gene expression to the respiratory epithelium were developed utilizing the reverse tetracycline transactivator (rtTA) expressed under the control of SP-C and CCSP promoters. Luciferase activity was detected in the lungs of fetal and adult...

journal_title：Transgenic research

authors： Perl AK,Tichelaar JW,Whitsett JA

更新日期：2002-02-01 00:00:00

abstract：:A retrospective analysis of transgenesis rates obtained in seven pronuclear microinjection programs was undertaken to determine if a relationship existed between the amount of DNA injected and transgenesis rates in the pig. Logistic regression analysis showed that as the concentration of DNA injected increased from 1 ...

journal_title：Transgenic research

authors： Nottle MB,Haskard KA,Verma PJ,Du ZT,Grupen CG,McIlfatrick SM,Ashman RJ,Harrison SJ,Barlow H,Wigley PL,Lyons IG,Cowan PJ,Crawford RJ,Tolstoshev PL,Pearse MJ,Robins AJ,d'Apice AJ

更新日期：2001-12-01 00:00:00

abstract：:In this study the effects of gene targeting procedures on the early behaviour and morphological development of the resulting offspring have been investigated. Six groups of mice, each having undergone a specific aspect of the biotechnological procedure, (including electroporation, microinjection and/or embryo culture)...

journal_title：Transgenic research

authors： van der Meer M,Baumans V,Hofhuis FM,Olivier B,van Zutphen BF

更新日期：2001-10-01 00:00:00

abstract：:A green fluorescent protein (GFP) cDNA flanked by inverted terminal repeats (ITR) of adeno-associated virus was constructed. The construct sharply improved the efficiency and specificity of the transient expression of genes driven by two general promoters (cytomegalovirus and medaka beta-actin) and one muscle-specific...

journal_title：Transgenic research

authors： Chou CY,Horng LS,Tsai HJ

更新日期：2001-08-01 00:00:00

abstract：:Genomic DNA blot hybridization is traditionally used to demonstrate that, via genetic transformation, foreign genes are integrated into host genomes. However, in large genome species, such as Allium cepa L., the use of genomic DNA blot hybridization is pushed towards its limits, because a considerable quantity of DNA ...

journal_title：Transgenic research

authors： Zheng SJ,Henken B,Sofiari E,Jacobsen E,Krens FA,Kik C

更新日期：2001-06-01 00:00:00

abstract：:Gene amplification is widely used for the production of pharmaceuticals and therapeutics in situations where a mammalian system is essential to synthesise a fully active product. Current gene amplification systems require multiple rounds of selection, often with high concentrations of toxic chemicals, to achieve the h...

journal_title：Transgenic research

authors： Melton DW,Ketchen AM,Kind AJ,McEwan C,Paisley D,Selfridge J

更新日期：2001-04-01 00:00:00

abstract：:Alpha1 tubulin gene expression is induced in the developing and regenerating CNS of vertebrates. Therefore, alpha1 tubulin gene expression may serve as a good probe for mechanisms underlying CNS development and regeneration. One approach to identify these mechanisms is to work backwards from the genome. This requires ...

journal_title：Transgenic research

authors： Goldman D,Hankin M,Li Z,Dai X,Ding J

更新日期：2001-01-01 00:00:00

abstract：:Three lines of transgenic tilapia (Oreochromis niloticus) fish were generated with a construct containing a lacZ reporter gene spliced to a 4.7 kb 5' regulatory region of a carp beta actin gene. All these three lines contain different copy numbers of transgenes and the levels of lacZ expression were found to be relate...

journal_title：Transgenic research

authors： Rahman MA,Hwang GL,Razak SA,Sohm F,Maclean N

更新日期：2000-12-01 00:00:00

abstract：:We have developed a transgenic female goat harboring goat beta-casein promoter/human granulocyte colony stimulating factor (G-CSF) fusion gene by microinjection into fertilized one-cell goat zygotes. Human G-CSF was produced at levels of up to 50 microg/ml in transgenic goat milk. Its biological activity was equivalen...

journal_title：Transgenic research

authors： Ko JH,Lee CS,Kim KH,Pang MG,Koo JS,Fang N,Koo DB,Oh KB,Youn WS,Zheng GD,Park JS,Kim SJ,Han YM,Choi IY,Lim J,Shin ST,Jin SW,Lee KK,Yoo OJ

更新日期：2000-06-01 00:00:00

abstract：:The bacterial gene chloramphenicol acetyltransferase (CAT) is a widely used reporter in both in-vitro and in-vivo studies of genetic regulation. We have recently generated novel rat transgenic lines carrying an arylalkylamine N-acetyltransferase (AA-NAT) promoter-reporter construct in which CAT (with associated SV40 s...

journal_title：Transgenic research

authors： Burke ZD,Wells T,Carter DA,Baler R

更新日期：2000-02-01 00:00:00

abstract：:Plant secondary metabolism is very important for traits such as flower color, flavor of food, and resistance against pests and diseases. Moreover, it is the source of many fine chemicals such as drugs, dyes, flavors, and fragrances. It is thus of interest to be able to engineer the secondary metabolite production of t...

journal_title：Transgenic research

authors： Verpoorte R,van der Heijden R,Memelink J

更新日期：2000-01-01 00:00:00

abstract：:The coat protein (CP) gene of turnip mosaic potyvirus isolate ESC8 (TuMV-ESC8) was cloned and sequenced. Comparisons of the 867-nucleotide (nt) CP region with those of 11 TuMV isolates showed 86.7-89.3% nucleotide identity and 92.4-95.5% amino acid identity. The CP gene was cloned into a plant expression vector and tr...

journal_title：Transgenic research

authors： Jan FJ,Pang SZ,Fagoaga C,Gonsalves D

更新日期：1999-06-01 00:00:00

abstract：:Type II fish antifreeze protein (AFP) is active in both freezing point depression and the inhibition of ice recrystallization. This extensively disulfide-bonded 14 kDa protein was targeted for accumulation in its pro- and mature forms in the cytosol and apoplast of transgenic tobacco plants. Type II AFP gene construct...

journal_title：Transgenic research

authors： Kenward KD,Brandle J,McPherson J,Davies PL

更新日期：1999-04-01 00:00:00

abstract：:The ability to tightly control transgene expression in vivo provides an opportunity to determine the role of certain gene products at different times during development and/or in response to different stimuli. We have characterized and evaluated a tetracycline-responsive endothelial-specific binary system during mouse...

journal_title：Transgenic research

authors： Sarao R,Dumont DJ

更新日期：1998-11-01 00:00:00

abstract：:This article describes a reliable and rapid method for simultaneous detection of a transgene and sex determination in the newborn mouse pups by PCR using three sets of primers in a single reaction. One set of sense/antisense primers is used to amplify the experimental transgene (androgen receptor gene in this case), t...

journal_title：Transgenic research

authors： Lavrovsky Y,Song CS,Chatterjee B,Roy AK

更新日期：1998-07-01 00:00:00

abstract：:The beta-glucuronidase (GUS) gene is to date the most frequently used reporter gene in plants. Marketing of crops containing this gene requires prior evaluation of their biosafety. To aid such evaluations of the GUS gene, irrespective of the plant into which the gene has been introduced, the ecological and toxicologic...

journal_title：Transgenic research

authors： Gilissen LJ,Metz PL,Stiekema WJ,Nap JP

更新日期：1998-05-01 00:00:00

abstract：:Conventional screening protocols for transgene integration in mice employ tail tips or blood samples as sources to obtain genomic DNA preparations. We have developed a simple alternative non-surgical method. Epithelial cells are scraped off the inner surface of the rectum with a sterile plastic inoculation loop and ar...

journal_title：Transgenic research

authors： Lahm H,Hoeflich A,Rieger N,Wanke R,Wolf E

更新日期：1998-03-01 00:00:00

abstract：:The addition of an antimicrobial that can be synthesized by the mammalian immune system at the point of challenge may enhance disease resistance. A possible group of agents are cecropins, broad-spectrum antimicrobial peptides, which have been described and characterized. They are relatively non-toxic to normal cells f...

journal_title：Transgenic research

authors： Reed WA,Elzer PH,Enright FM,Jaynes JM,Morrey JD,White KL

更新日期：1997-09-01 00:00:00

abstract：:The germline transmission (g.l.t.) of gene trap or gene targeted mutations by ES-cell-derived chimaeric mice is a crucial step in the generation of stable transgenic lines. The wild-type ES cell lines CJ7, D3 and R1 of different passage numbers and their transfected clone-descendants generated in gene targeting or gen...

journal_title：Transgenic research

authors： Fedorov LM,Haegel-Kronenberger H,Hirchenhain J

更新日期：1997-05-01 00:00:00

abstract：:The generation is reported of transgenic mice expressing human granulocyte-macrophage colony-stimulating factor (GM-CSF) or human erythropoietin (EPO) under the control of bovine alpha s1-casein regulatory sequences. GM-CSF expression was specific to the mammary gland, and levels of human GM-CSF in transgenic mouse mi...

journal_title：Transgenic research

authors： Uusi-Oukari M,Hyttinen JM,Korhonen VP,Västi A,Alhonen L,Jänne OA,Jänne J

更新日期：1997-01-01 00:00:00

abstract：:To characterize the activity of the polyomavirus regulatory region, two hybrid marker genes were constructed. In the first construct, the early promoter regulates expression of the CAT gene and the late promoter regulates expression of the lacZ gene. In the second construct, the lacZ gene was placed under the control ...

journal_title：Transgenic research

authors： Neubauer A,Manitz MP,Napirei M,Krippl B

更新日期：1996-11-01 00:00:00

abstract：:The glyoxylate cycle, catalysed by two unique enzymes: isocitrate lyase (ICL; EC 4.1.3.1) and malate synthase (MS; EC 4.1.3.2), is necessary for the net conversion of acetate into glucose. This metabolic pathway operates in microorganisms, higher plants and nematodes. Two bacterial genes, encoding ICL and MS, were mod...

journal_title：Transgenic research

authors： Saini KS,Byrne CR,Leish Z,Pruss CA,Rigby NW,Brownlee AG,Nancarrow CD,Ward KA

更新日期：1996-11-01 00:00:00

abstract：:A set of plasmids has been constructed utilizing the promoter, 5' untranslated exon, and first intron of the maize ubiquitin (Ubi-1) gene to drive expression of protein coding sequences of choice. Plasmids containing chimaeric genes for ubiquitin-luciferase (Ubi-Luc), ubiquitin-beta-glucuronidase (Ubi-GUS), and ubiqui...

journal_title：Transgenic research

authors： Christensen AH,Quail PH

更新日期：1996-05-01 00:00:00