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Träfflista för sökning "WFRF:(Berlin Johan 1975 ) ;hsvcat:4"

Sökning: WFRF:(Berlin Johan 1975 ) > Lantbruksvetenskap

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  • Nilsson, R. Henrik, 1976, et al. (författare)
  • Improving ITS sequence data for identification of plant pathogenic fungi
  • 2014
  • Ingår i: Fungal Diversity. - : Springer Science and Business Media LLC. - 1560-2745 .- 1878-9129. ; 67:1, s. 11-19
  • Tidskriftsartikel (refereegranskat)abstract
    • Plant pathogenic fungi are a large and diverse assemblage of eukaryotes with substantial impacts on natural ecosystems and human endeavours. These taxa often have complex and poorly understood life cycles, lack observable, discriminatory morphological characters, and may not be amenable to in vitro culturing. As a result, species identification is frequently difficult. Molecular (DNA sequence) data have emerged as crucial information for the taxonomic identification of plant pathogenic fungi, with the nuclear ribosomal internal transcribed spacer (ITS) region being the most popular marker. However, international nucleotide sequence databases are accumulating numerous sequences of compromised or low-resolution taxonomic annotations and substandard technical quality, making their use in the molecular identification of plant pathogenic fungi problematic. Here we report on a concerted effort to identify high-quality reference sequences for various plant pathogenic fungi and to re-annotate incorrectly or insufficiently annotated public ITS sequences from these fungal lineages. A third objective was to enrich the sequences with geographical and ecological metadata. The results – a total of 31,954 changes – are incorporated in and made available through the UNITE database for molecular identification of fungi (http://unite.ut.ee), including standalone FASTA files of sequence data for local BLAST searches, use in the next-generation sequencing analysis platforms QIIME and mothur, and related applications. The present initiative is just a beginning to cover the wide spectrum of plant pathogenic fungi, and we invite all researchers with pertinent expertise to join the annotation effort.
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3.
  • Johansson, Björn, 1975, et al. (författare)
  • Discrete Event Simulation with Lifecycle Assessment Data at a Juice Manufacturing System
  • 2008
  • Ingår i: 2008 5th International Conference on Simulation and Modelling in the Food and Bio-Industry, FOODSIM 2008; Dublin; Ireland; 26 June 2008 through 28 June 2008. ; , s. 165-169
  • Konferensbidrag (refereegranskat)abstract
    • In order to measure and evaluate productivity and environmental parameters simultaneously and in consideration to each other, they need to be presented on the same basis and put up on the same table, at the same time. Otherwise, while considering only parts of the relevant parameters at a time, there is a great risk for sub-optimisation. The study presented in this paper shows one way of putting productivity parameters such as batch size, batch frequency, production planning, and resource management on the same table as environmental parameters such as emissions, waste and energy consumption. This is done through the use of lifecycle assessment in combination with discrete event simulation. The result gives an example of a sound basis for decision-making when changes are to be made in the juice production system at hand. The presented case study gives information on energy consumption, waste and pollutants such as CO2, NOx, SO2, and ethene generated from production of juice. Results show that some changes of the system improves both environment and productivity, others improves one and worsens the other!
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