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Cross-biome metagenomic analyses of soil microbial communities and their functional attributes
- N. Fierer, J. Leff, +7 authors J. Caporaso
- Biology, MedicineProceedings of the National Academy of Sciences
- 10 December 2012
As the most comprehensive survey of soil taxonomic, phylogenetic, and functional diversity to date, this study demonstrates that metagenomic approaches can be used to build a predictive understanding of how microbial diversity and function vary across terrestrial biomes.
Diversity and distribution of Victoria Land biota
The soil ecosystems of Victoria Land (VL) Antarctica should play a major role in exploring the relationship between biodiversity and ecosystem functioning, and in monitoring the effects of environmental change on soil processes in real time and space.
Species concepts and the evolutionary paradigm in modem nematology.
- B. Adams
- Computer Science, MedicineJournal of nematology
- 15 March 1998
An amalgamation of evolutionary and phylogenetic species concepts is advocated, along with a set of discovery operations designed to minimize the risk of making systematic errors, based on their sensitivity to systematic error.
A phylogenetic analysis of heterorhabditis (nemata: rhabditidae) based on internal transcribed spacer 1 DNA sequence data.
Internal transcribed spacer 1 sequences suggest that sister species pairs within three distinct lineages may be mutually conspecific and application of these molecular data and current morphological knowledge to the delimitation of species is hindered by an incomplete understanding of their variability in natural populations.
Comparative phylogeography of codistributed species of Chilean Liolaemus (Squamata: Tropiduridae) from the central‐southern Andean range
- P. Victoriano, J. Ortíz, E. Benavides, B. Adams, Jack W. Sites Jr.
- Medicine, BiologyMolecular ecology
- 1 May 2008
The matrix representation with parsimony tree obtained from the combination of the three different gene trees revealed concordant phylogeographical associations of all species, and was consistent with the geographical association of intraspecific haploclades with three Chilean bioclimatic zones.
An Entomopathogenic Nematode by Any Other Name
It is argued that EPNs must rapidly kill their hosts with the aid of bacterial partners and must pass on the associated bacteria to future generations and clarify the meaning of “entomopathogenic” in nematology.
Desiccation survival in an Antarctic nematode: molecular analysis using expressed sequenced tags
The establishment of a desiccation EST collection for Plectus murrayi, a useful model in assessing the structural, physiological, biochemical and genetic aspects of multiple stress tolerance, is an important step in understanding the genome level response of this nematode to Desiccation stress.
Effects of human trampling on populations of soil fauna in the McMurdo Dry Valleys, Antarctica.
- E. Ayres, J. Nkem, +7 authors R. Virginia
- Geography, MedicineConservation biology : the journal of the Society…
- 1 December 2008
It is shown that even low levels of human traffic can significantly affect soil biota in this ecosystem and may alter ecosystem processes, such as carbon cycling, and management and conservation plans for Antarctic soils should consider the high sensitivity of soil fauna to physical disturbance.
Parasitism of molluscs by nematodes: types of associations and evolutionary trends.
Development of the infective stage appears to be an important step toward the acquisition of molluscs as definitive hosts, and the association with specific bacteria may have arisen in conjunction with the evolution of necromeny.
A Lover and a Fighter: The Genome Sequence of an Entomopathogenic Nematode Heterorhabditis bacteriophora
The H. bacteriophora genome sequence will greatly facilitate genetics, genomics and evolutionary studies to gain fundamental knowledge of nematode parasitism and mutualism, and elevates the utility of H. organism as a bridge species between vertebrate parasitic nematodes and the C. elegans model.