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ChloroP, a neural network-based method for predicting chloroplast transit peptides and their cleavage sites.

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TLDR
An analysis of 715 Arabidopsis thaliana sequences from SWISS‐PROT suggests that the ChloroP method should be useful for the identification of putative transit peptides in genome‐wide sequence data.
Abstract
We present a neural network based method (ChloroP) for identifying chloroplast transit peptides and their cleavage sites. Using cross-validation, 88% of the sequences in our homology reduced training set were correctly classified as transit peptides or nontransit peptides. This performance level is well above that of the publicly available chloroplast localization predictor PSORT. Cleavage sites are predicted using a scoring matrix derived by an automatic motif-finding algorithm. Approximately 60% of the known cleavage sites in our sequence collection were predicted to within +/-2 residues from the cleavage sites given in SWISS-PROT. An analysis of 715 Arabidopsis thaliana sequences from SWISS-PROT suggests that the ChloroP method should be useful for the identification of putative transit peptides in genome-wide sequence data. The ChloroP predictor is available as a web-server at http://www.cbs.dtu.dk/services/ChloroP/.

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Journal ArticleDOI

Functional expression of five Arabidopsis fatty acyl-CoA reductase genes in Escherichia coli

TL;DR: The five functional FAR enzymes yielded distinctly different compositions of fatty alcohols when expressed in E. coli, indicating that the different enzymes may be involved in the production of different types of alcohols in plant cells.
Journal ArticleDOI

Light stress-regulated two-helix proteins in Arabidopsis thaliana related to the chlorophyll a/b-binding gene family.

TL;DR: In vitro import of radioactively labeled precursors of Seps into isolated chloroplasts confirmed the thylakoid membrane localization of these proteins, and considering the predicted protein structure and homology to other pigment-antenna proteins, the two-helix Seps might represent an evolutionary missing link between the one- and three- Helix antenna proteins present in pro- and eukaryota.
Journal ArticleDOI

The first symbiont-free genome sequence of marine red alga, Susabi-nori (Pyropia yezoensis).

TL;DR: The draft genome sequence of susabi-nori (Pyropia yezoensis) is determined using next-generation sequencing platforms and a second homolog of phycobilisome-degradation gene, which is usually chloroplast-encoded, is found, possibly providing a novel target for color fading of Susanabi- nori in aquaculture.
Journal ArticleDOI

Dinoflagellate expressed sequence tag data indicate massive transfer of chloroplast genes to the nuclear genome

TL;DR: Analysis of cDNA libraries constructed from Lingulodinium polyedrum and Amphidinium carterae identified 118 unique plastid-associated sequences that probably represent bona fide nuclear genes, and suggest that there has been massive transfer of genes from theplastid to the nuclear genome in dinoflagellates.
Journal ArticleDOI

Identification of the 7-Hydroxymethyl Chlorophyll a Reductase of the Chlorophyll Cycle in Arabidopsis

TL;DR: The authors identified 7-hydroxymethyl chlorophyll a reductase from Arabidopsis thaliana by genetic and biochemical methods, which is the last remaining unidentified enzyme of the chlorophll cycle.
References
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A mathematical theory of communication

TL;DR: This final installment of the paper considers the case where the signals or the messages or both are continuously variable, in contrast with the discrete nature assumed until now.
Book ChapterDOI

Learning internal representations by error propagation

TL;DR: This chapter contains sections titled: The Problem, The Generalized Delta Rule, Simulation Results, Some Further Generalizations, Conclusion.
Journal ArticleDOI

Identification of prokaryotic and eukaryotic signal peptides and prediction of their cleavage sites.

TL;DR: A new method for the identification of signal peptides and their cleavage sites based on neural networks trained on separate sets of prokaryotic and eukaryotic sequence that performs significantly better than previous prediction schemes and can easily be applied on genome-wide data sets.

SHORT COMMUNICATION Identification of prokaryotic and eukaryotic signal peptides and prediction of their cleavage sites

TL;DR: In this paper, a new method for the identification of in performance compared with the weight matrix method signal peptides and their cleavage sites based on neural (Arrigo et al., 1991; Ladunga et al, 1991; Schneider and networks trained on separate sets of prokaryotic and eukaryotic sequence.
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