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Niklaus J. Grünwald

Researcher at United States Department of Agriculture

Publications -  217
Citations -  13899

Niklaus J. Grünwald is an academic researcher from United States Department of Agriculture. The author has contributed to research in topics: Population & Phytophthora infestans. The author has an hindex of 49, co-authored 209 publications receiving 11186 citations. Previous affiliations of Niklaus J. Grünwald include Agricultural Research Service & University of California.

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Poppr: an R package for genetic analysis of populations with clonal, partially clonal, and/or sexual reproduction.

TL;DR: The R package poppr is developed providing unique tools for analysis of data from admixed, clonal, mixed, and/or sexual populations, and functions for genotypic diversity and clone censoring are specific for clonal populations.
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Genome sequence and analysis of the Irish potato famine pathogen Phytophthora infestans.

Brian J. Haas, +102 more
- 17 Sep 2009 - 
TL;DR: The sequence of the P. infestans genome is reported, which at ∼240 megabases (Mb) is by far the largest and most complex genome sequenced so far in the chromalveolates and probably plays a crucial part in the rapid adaptability of the pathogen to host plants and underpins its evolutionary potential.
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Phytophthora Genome Sequences Uncover Evolutionary Origins and Mechanisms of Pathogenesis

Brett M. Tyler, +68 more
- 01 Sep 2006 - 
TL;DR: Comparison of the two species' genomes reveals a rapid expansion and diversification of many protein families associated with plant infection such as hydrolases, ABC transporters, protein toxins, proteinase inhibitors, and, in particular, a superfamily of 700 proteins with similarity to known oömycete avirulence genes.
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Novel R tools for analysis of genome-wide population genetic data with emphasis on clonality.

TL;DR: Several significant extensions to poppr are provided including the new function mlg.filter to define clone boundaries allowing for inspection and definition of what is a clonal lineage, minimum spanning networks with reticulation, a sliding-window analysis of the index of association, modular bootstrapping of any genetic distance, and analyses across any level of hierarchies.
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The Top 10 oomycete pathogens in molecular plant pathology

TL;DR: A survey to query the community for their ranking of plant-pathogenic oomycete species based on scientific and economic importance received 263 votes from 62 scientists in 15 countries for a total of 33 species and the Top 10 species are provided.