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  • Blackwell Publishing Ltd  (27)
  • 2000-2004  (27)
  • 2003  (27)
  • 1
    Electronic Resource
    Electronic Resource
    New communication systems and trade union politics: a case study of Spanish trade unions and the role of the internet (2003)
    Oxford, UK and Boston, USA : Blackwell Publishing Ltd
    Industrial relations journal 34 (2003), S. 0 
    Details
    ISSN: 1468-2338
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: This article shows how engagement with the internet and aspects of the new economy/society require an appreciation of union difference and politics. It shows how union responses vary due to four factors: communication strategies, union identity, forms of internal democracy and a range of organisational and social contingencies. The article will study the phenomena of the internet in the context of one national case study, Spain. It is a country that allows us to view the political dimensions of the internet, and the way they link to communication strategies, due to the manner in which the labour movement has transformed and modernised itself. It is also of interest because methods of communication have been at the heart of the way in which unions have developed and differentiated themselves. This article will argue that a greater sensitivity is required in terms of union history, politics and identity if the impact and use of new forms of communication are to be fully appreciated. It also points to the need to appreciate tensions between different forms of communication.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1468-2338.00279
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  • 2
    Electronic Resource
    Electronic Resource
    Identification of fast and slow growing rhizobia nodulating soybean (Glycine max [L.] Merr) by a multiplex PCR reaction (2003)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 229 (2003), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Two DNA fragments, a 730-bp and a 900-bp fragment, one homologous to host cultivar specificity genes nolBT of Sinorhizobium fredii and the other one homologous to RSα, an insertion-like sequence present in Bradyrhizobium japonicum, were generated by polymerase chain reaction (PCR) with two pairs of primers. The amount of each fragment generated by the multiplex PCR was proportional to the amount of template DNA present. The amplification of the 900-bp RSα fragment was more sensitive, since it was amplified from a smaller amount of template DNA than the 730-bp nolBT fragment. By running the multiplex reaction in the presence of template DNA isolated from different sources, we confirmed that the reaction can discriminate between S. fredii, Bradyrhizobium japonicum and Sinorhizobium xinjiangensis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0378-1097(03)00796-1
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  • 3
    Electronic Resource
    Electronic Resource
    The promoter of a cold-shock-like gene has pleiotropic effects on Streptomyces antibiotic biosynthesis (2003)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 220 (2003), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We have isolated a Streptomyces hygroscopicus chromosomal DNA fragment able to induce production of the blue-pigmented antibiotic actinorhodin in Streptomyces lividans. The 1.9-kb fragment contains four orfs (orf1-4) of which only orf2 and orf3 were complete. The minimal region involved in activation of actinorhodin production is limited to 165 bp corresponding to the promoter region of orf3. The truncated Orf1 show homologies with threonine synthases, Orf2 is similar to other proteins of unknown function, Orf3 (here named Csp1) is homologous to cold-shock-induced proteins of the Csp family, and Orf4 encodes the N-terminal region of GroEL2. Transcription of csp1 seems to be subjected to temporal control but is not obviously induced by cold shock. Interestingly, the csp1–groEL2 region pleiotropically regulates the production of antibiotics from Streptomyces coelicolor and Streptomyces nodosus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0378-1097(03)00101-0
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of High Moisture Maize Storage on Tortilla Quality (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: We evaluate the effect of high moisture content (MC) stored maize grain on tortilla quality and on the growth of toxigenic fungi. Maize with a MC of 18% was stored for 10, 15, and 20 d at 28 °C. The control seed was stored 20 d with a MC of 10.7% at 4 °C. The high MC grain and the control were processed using the traditional nixtamalization process. Storage conditions had a significant effect on tortilla quality parameters such as pH, color, tensile strength, cut force, viscosity peak, starch retrogradation (setback), and aflatoxin contamination. Tortillas produced with high MC grain presented a lower quality than those produced with low MC grain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb12346.x
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  • 5
    Electronic Resource
    Electronic Resource
    Influence of Pentosanase and Oxidases on Water-extractable Pentosans during a Straight Breadmaking Process (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Effects of flour type and enzymes on total pentosans (TP) and water-soluble pentosans (WSP) and composition of isolated water-extractable pentosans (WEP) during a straight breadmaking process were investigated. Two wheat flours (F1, F2) and 3 enzymes (pentosanase, glucose-oxidase (GOX) and lacasse (LAC)), and their combinations were used. The presence of pentosanase increased the WSP content while oxidases produced a decrease. Extractability of pentosans was greater for dough than for bread but the latter had higher purity. Major sugars were xylose (Xyl) and arabinose (Ara) with a xylose/arabinose ratio between 1.00 and 1.56. Molecular weight profiles (MWP) of WEP comprised 5 fractions with the same distribution for the 2 flours but different relative proportions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb14110.x
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  • 6
    Electronic Resource
    Electronic Resource
    Resistance of almond cultivars to Plum pox virus (sharka) (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Sharka, a disease caused by Plum pox virus (PPV), mainly affects some Prunus species, including apricot, peach and plum, and to a lesser degree, sweet cherry and sour cherry. In almond, different PPV isolates have been transmitted experimentally to the ‘Aï’ cultivar. In this study, the resistance of 10 almond cultivars to a Dideron PPV isolate was evaluated in controlled conditions by grafting the cultivars on to inoculated GF305 peach rootstocks. The results demonstrated a high level of resistance to PPV in all the almond cultivars assayed. They did not show any symptoms and were ELISA and RT-PCR negative, despite the strong symptoms observed in their GF305 rootstocks. The implications of these results for the dispersion of PPV, and the potential role of almond as a source of resistance to PPV in other Prunus species such as peach, are also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00872.x
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  • 7
    Electronic Resource
    Electronic Resource
    Susceptibility to sharka (Plum pox virus) in Prunus mandshurica×P. armeniaca seedlings (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Prunus mandshurica [(Maxim.) Koehne] from Central Asia is a species related to apricot and grown in China and Mongolia. This species has been used in apricot breeding as a source of frost resistance. In addition, P. mandshurica has been suggested as the possible origin of some North American apricot cultivars resistant to sharka (Plum pox virus, PPV). The aim of this work was to transmit the resistance to PPV from P. mandshurica to the Spanish apricot cultivar ‘Currot’ by traditional crossing. The resistance to a Dideron PPV isolate of the descendants of P. mandshuricaבCurrot’ and their progenitors was evaluated under controlled conditions in a greenhouse. The results showed the susceptibility of both, the progenitors and the offspring to PPV, as being much higher than in other apricot seedlings. The results showed that the P. mandshurica accession studied is not a good progenitor in breeding apricot for PPV resistance, but just the opposite. The possible role of P. mandshurica as a source of resistance in apricot resistant cultivars is questioned.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00902.x
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  • 8
    Electronic Resource
    Electronic Resource
    Inheritance of reduced plant height in the sunflower line Dw 89 (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The objective of the present research was to study the inheritance of reduced plant height in the sunflower line Dw 89. Plants of the cytoplasmic male sterile version of this line, cmsDw 89 (mean plant height of 47.4 cm) were crossed with plants of the restorer line RHA 271 (mean of 120.9 cm). F1 plants averaged 120.4 cm, which indicated dominance of standard over reduced plant height. F2 plants followed a segregation pattern of 1 : 15 (reduced : normal height), suggesting that reduced plant height in Dw 89 is controlled by alleles at two loci, designated Dw1 and Dw2. Class assignment in the F2 was confirmed through the evaluation of the F3 generation. Backcrosses to Dw 89 segregated with 1 : 3 (reduced : normal height) ratios, which confirmed the digenic inheritance of the trait. The evaluation of plant height distributions in F3 families suggested possible genetic interaction between the Dw1 and Dw2 loci.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00881.x
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  • 9
    Electronic Resource
    Electronic Resource
    Stylar ribonucleases in almond: correlation with and prediction of incompatibility genotypes (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: To clarify incompatibility relationships among almond cultivars, 35 were analysed for stylar ribonucleases, which have previously been shown to correlate with incompatibility S alleles. Stylar proteins were extracted and separated electrophoretically and the zymograms compared with ladders of ribonucleases corresponding to the 12 S alleles previously reported. Sixteen cultivars showed a band corresponding to two of the known ribonucleases, 17 showed one known ribonuclease and one ‘new’ band, and two showed two new bands. Twelve new ribonucleases were detected; 11 were attributed to new S alleles (S13 to S23) and a mutant form of S7 was attributed to S7A. Genotypes were proposed for nine cultivars of five incompatibility groups that had not been genotyped previously, VII, X, XI, XII and XIII. Twenty-four cultivars of unknown incompatibility relationships were provisionally genotyped: six of these could be assigned to existing groups and two new groups were established, XIV and XV, along with group O of cultivars with unique genotypes. Test crosses confirmed that eight pairs of cultivars showing similar zymograms were indeed cross-incompatible, including the two representatives of each of the two new groups. Virtually all self-incompatible cultivars of known genotype are listed in a table. The data should be useful for planning cultivar combinations for orchards and for designing crosses for breeding programmes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00744.x
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  • 10
    Electronic Resource
    Electronic Resource
    Bread-making quality in hexaploid tritordeum with substitutions involving chromosome 1D (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Hexaploid tritordeum, the amphiploid Hordeum chilense×Triticum turgidum, has potential for bread making. In order to estimate the potential of bread wheat chromosome 1D for improving the bread-making quality of tritordeum, and the processing properties and agronomic performance of euploid tritordeum, (1Hch)1D and (1A)1D substitution lines have been evaluated in field trials. No significant differences for agronomical traits were observed between the two substitution lines and the sister euploid tritordeum, except for the kernel weight of the (1Hch)1D tritordeum substitution, which was lower than that of euploid tritordeum. Gluten strength, estimated by alveograph deformation energy (W), and loaf volume were substantially higher in both substitution lines than in the euploid tritordeum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00806.x
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